Gaia@home - Revision history

Al Piskun at 13:36, 29 May 2026

2026-05-29T13:36:41Z

← Older revision		Revision as of 13:36, 29 May 2026
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	}}		}}

	~~[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]~~
	[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project based on the BOINC middleware platform. The project was created by researchers from the Astronomical Observatory Institute at [[wikipedia:Adam Mickiewicz University in Poznań\|Adam Mickiewicz University]] in Poland to support astronomical research using data from the [[wikipedia:Gaia (spacecraft)\|Gaia]] space observatory mission operated by the [[wikipedia:European Space Agency\|European Space Agency]] (ESA).<ref>{{cite web \|url=http://gaiaathome.eu/gaiaathome/ \|title=Gaia@home \|publisher=Gaia@home \|access-date=2026-05-18}}</ref>		[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project based on the BOINC middleware platform. The project was created by researchers from the Astronomical Observatory Institute at [[wikipedia:Adam Mickiewicz University in Poznań\|Adam Mickiewicz University]] in Poland to support astronomical research using data from the [[wikipedia:Gaia (spacecraft)\|Gaia]] space observatory mission operated by the [[wikipedia:European Space Agency\|European Space Agency]] (ESA).<ref>{{cite web \|url=http://gaiaathome.eu/gaiaathome/ \|title=Gaia@home \|publisher=Gaia@home \|access-date=2026-05-18}}</ref>

	The project distributes computationally intensive astronomical calculations to volunteers around the world using the BOINC infrastructure. Gaia@home focuses primarily on celestial mechanics, stellar dynamics, and the study of long-period comets and stellar encounters with the Solar System.<ref>{{cite web \|url=https://boinc.berkeley.edu/projects.php \|title=BOINC Projects List \|publisher=University of California, Berkeley \|access-date=2026-05-18}}</ref>		The project distributes computationally intensive astronomical calculations to volunteers around the world using the BOINC infrastructure. Gaia@home focuses primarily on celestial mechanics, stellar dynamics, and the study of long-period comets and stellar encounters with the Solar System.<ref>{{cite web \|url=https://boinc.berkeley.edu/projects.php \|title=BOINC Projects List \|publisher=University of California, Berkeley \|access-date=2026-05-18}}</ref>

	== History ==		== History ==

Admin at 18:52, 20 May 2026

2026-05-20T18:52:59Z

← Older revision		Revision as of 18:52, 20 May 2026
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	{{Infobox software		{{Infobox software
	\| name = Gaia@home		\| name = Gaia@home
	\| logo = Gaia@home.jpg		\| logo = Gaia@home.jpg
	~~\| logo_size = 220px~~		\| screenshot =
	\| screenshot =		\| caption =
	\| caption = ~~Gaia@home logo~~

	\| status = Active		\| status = Active
	\| category = Astronomy		\| category = Astronomy
	\| compute = CPU		\| compute = CPU
	\| dependencies =		\| dependencies = BOINC

	\| author = Astronomical Observatory Institute, Faculty of Physics, Adam Mickiewicz University		\| author = Astronomical Observatory Institute, Faculty of Physics, Adam Mickiewicz University
	\| developer = Gaia@home project team		\| developer = Gaia@home project team
	\| released = {{Start date and age\|2019\|08\|21}}		\| released = {{Start date and age\|2019\|08\|21}}
	\| completed = No		\| completed = No
	\| discontinued =		\| discontinued =

	\| operating system = Linux		\| programming language = C, C++
			\| operating system = Linux, Windows, macOS

	\| ~~license~~ = ~~Free software~~		\| stats as of = {{Start date and age\|2026\|05\|19}}
	\| website = ~~[http~~://gaiaathome.eu/~~gaiaathome/ gaiaathome.eu]~~		\| average performance = 6653.65 GigaFLOPS
			\| active users = 199
			\| total users = 631
			\| active hosts = 579
			\| total hosts = 3609

			\| rac =
			\| credit per day =
			\| gpu performance =
			\| cpu performance =

			\| website = {{URL\|https://gaiaathome.eu/}}
			\| license = Free software
	}}		}}

	[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]		[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]
	[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project based on the [[BOINC]] middleware platform. The project was created by researchers from the Astronomical Observatory Institute at [[wikipedia:Adam Mickiewicz University in Poznań\|Adam Mickiewicz University]] in Poland to support astronomical research using data from the [[wikipedia:Gaia (spacecraft)\|Gaia]] space observatory mission operated by the [[wikipedia:European Space Agency\|European Space Agency]] (ESA).<ref>{{cite web \|url=http://gaiaathome.eu/gaiaathome/ \|title=Gaia@home \|publisher=Gaia@home \|access-date=2026-05-18}}</ref>		[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project based on the BOINC middleware platform. The project was created by researchers from the Astronomical Observatory Institute at [[wikipedia:Adam Mickiewicz University in Poznań\|Adam Mickiewicz University]] in Poland to support astronomical research using data from the [[wikipedia:Gaia (spacecraft)\|Gaia]] space observatory mission operated by the [[wikipedia:European Space Agency\|European Space Agency]] (ESA).<ref>{{cite web \|url=http://gaiaathome.eu/gaiaathome/ \|title=Gaia@home \|publisher=Gaia@home \|access-date=2026-05-18}}</ref>

	The project distributes computationally intensive astronomical calculations to volunteers around the world using the BOINC infrastructure. Gaia@home focuses primarily on celestial mechanics, stellar dynamics, and the study of long-period comets and stellar encounters with the Solar System.<ref>{{cite web \|url=https://boinc.berkeley.edu/projects.php \|title=BOINC Projects List \|publisher=University of California, Berkeley \|access-date=2026-05-18}}</ref>		The project distributes computationally intensive astronomical calculations to volunteers around the world using the BOINC infrastructure. Gaia@home focuses primarily on celestial mechanics, stellar dynamics, and the study of long-period comets and stellar encounters with the Solar System.<ref>{{cite web \|url=https://boinc.berkeley.edu/projects.php \|title=BOINC Projects List \|publisher=University of California, Berkeley \|access-date=2026-05-18}}</ref>
	~~[[File:Gaia rotation.jpg\|thumb\|300x300px\|The [[wikipedia:Gaia (spacecraft)\|Gaia]] spacecraft operated by the European Space Agency collects astrometric data used by Gaia@home researchers.]]~~

	== History ==		== History ==

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	== Scientific background ==		== Scientific background ==
			[[File:Gaia rotation.jpg\|thumb\|300x300px\|The [[wikipedia:Gaia (spacecraft)\|Gaia]] spacecraft operated by the European Space Agency collects astrometric data used by Gaia@home researchers.]]

	The [[wikipedia:Gaia (spacecraft)\|Gaia]] mission is one of the most important astrometric missions ever conducted. Its measurements allow astronomers to determine precise positions, distances, and motions for stars throughout the Milky Way galaxy.<ref>{{cite web \|url=https://www.esa.int/Science_Exploration/Space_Science/Gaia_overview \|title=Gaia Overview \|publisher=European Space Agency \|access-date=2026-05-18}}</ref>		The [[wikipedia:Gaia (spacecraft)\|Gaia]] mission is one of the most important astrometric missions ever conducted. Its measurements allow astronomers to determine precise positions, distances, and motions for stars throughout the Milky Way galaxy.<ref>{{cite web \|url=https://www.esa.int/Science_Exploration/Space_Science/Gaia_overview \|title=Gaia Overview \|publisher=European Space Agency \|access-date=2026-05-18}}</ref>
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	== Subprojects ==		== Subprojects ==
			[[File:Gaia2 1.png\|thumb\|The cloud of 13517 clones of the star Gliese 710 drawn according to the covariance matrix taken from the Gaia DR2 catalogue. This cloud is projected onto the maximum scatter plane X'Y', coordinates are expressed in parsecs. The red dot is the Sun position, the green dot is the star nominal position during an encounter and the orange cross is the centroid of the clone cloud. The blue dotted circle shows the approximate extend of the cometary Oort cloud. This star parameters are known with a good precision so the cloud of clones is rather compact..]]

	=== Long period comets ===		=== Long period comets ===
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	Orbital changes of C/2002 T7 projected on its original orbit plane that described by five snapshots in CODE catalogue. Red line depicts the past motion of this comet while the blue line depicts its future evolution. Five epochs (snapshots) when orbital elements are recorded are marked: 1 - osculating heliocentric orbit near the centre of the observational interval (typically near the perihelion); 2 - original barycentric orbit recorded in the past at 250 au from the Sun; 3 - future barycentric orbit recorded in the future at 250 au from the Sun; 4 - previous orbit, recorded at the previous perihelion; 5 - next orbit, in this case recorded at the escape border at 120 000 au from the Sun, but for many other comets recorded in the next perihelion.		Orbital changes of C/2002 T7 projected on its original orbit plane that described by five snapshots in CODE catalogue. Red line depicts the past motion of this comet while the blue line depicts its future evolution. Five epochs (snapshots) when orbital elements are recorded are marked: 1 - osculating heliocentric orbit near the centre of the observational interval (typically near the perihelion); 2 - original barycentric orbit recorded in the past at 250 au from the Sun; 3 - future barycentric orbit recorded in the future at 250 au from the Sun; 4 - previous orbit, recorded at the previous perihelion; 5 - next orbit, in this case recorded at the escape border at 120 000 au from the Sun, but for many other comets recorded in the next perihelion.
	~~[[File:Oort cloud Sedna orbit.jpg\|thumb\|These four panels show the location of trans-Neptunian object 90377 Sedna, which lies in the farthest reaches of the Solar system.]]~~

	=== Stellar close approaches ===		=== Stellar close approaches ===

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	The Gaia@home infrastructure has also been discussed within the BOINC community as a framework for additional astronomical and astrodynamics applications using Gaia datasets. The flexible BOINC architecture allows researchers to add new computational tasks as additional Gaia catalogues become available.<ref>{{cite web \|url=https://boinc.berkeley.edu/ \|title=BOINC \|publisher=University of California, Berkeley \|access-date=2026-05-18}}</ref>		The Gaia@home infrastructure has also been discussed within the BOINC community as a framework for additional astronomical and astrodynamics applications using Gaia datasets. The flexible BOINC architecture allows researchers to add new computational tasks as additional Gaia catalogues become available.<ref>{{cite web \|url=https://boinc.berkeley.edu/ \|title=BOINC \|publisher=University of California, Berkeley \|access-date=2026-05-18}}</ref>
			[[File:Gaia2 2.png\|thumb\|The cloud of 11327 clones of the star ALS 9243 drawn according to the covariance matrix taken from the Gaia DR2 catalogue. This cloud is projected onto the maximum scatter plane X'Y', coordinates are expressed in parsecs. The red dot is the Sun position, the green dot is the star nominal position during an encounter and the orange cross is the centroid of the clone cloud. The blue dotted circle shows the approximate extend of the cometary Oort cloud. This star parameters have the poor accuracy but the star must be studied in detail since it might have a large mass, even grater than 10 solar masses. Gliese 710 will pass the Sun even closer.]]

	== Software and infrastructure ==		== Software and infrastructure ==

	Gaia@home uses the [[BOINC]] middleware system developed at the [[wikipedia:University of California, Berkeley\|University of California, Berkeley]]. BOINC enables volunteers to contribute unused CPU resources from personal computers to scientific research projects.<ref>{{cite journal		Gaia@home uses the [[Wikipedia:BOINC\|BOINC]] middleware system developed at the [[wikipedia:University of California, Berkeley\|University of California, Berkeley]]. BOINC enables volunteers to contribute unused CPU resources from personal computers to scientific research projects.<ref>{{cite journal
	\|last1=Anderson		\|last1=Anderson
	\|first1=David P.		\|first1=David P.
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	Volunteer participants attach the Gaia@home project to their BOINC clients and automatically download work units for processing.		Volunteer participants attach the Gaia@home project to their BOINC clients and automatically download work units for processing.


	== Scientific publications ==		== Scientific publications ==

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	== See also ==		== See also ==

	* [[wikipedia:BOINC]]		* [[wikipedia:BOINC\|BOINC]]
	* [[wikipedia:Gaia (spacecraft)\|Gaia spacecraft]]		* [[wikipedia:Gaia (spacecraft)\|Gaia spacecraft]]
	* [[wikipedia:Oort cloud\|Oort cloud]]		* [[wikipedia:Oort cloud\|Oort cloud]]

Al Piskun at 16:56, 20 May 2026

2026-05-20T16:56:06Z

← Older revision		Revision as of 16:56, 20 May 2026
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	\| completed = No		\| completed = No
	\| discontinued =		\| discontinued =

			\| operating system = Linux

	\| license = Free software		\| license = Free software

Al Piskun at 16:52, 20 May 2026

2026-05-20T16:52:35Z

← Older revision		Revision as of 16:52, 20 May 2026
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	~~[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]~~

	{{Infobox software		{{Infobox software
	\| name = Gaia@home		\| name = Gaia@home
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	\| screenshot =		\| screenshot =
	\| caption = Gaia@home logo		\| caption = Gaia@home logo

			\| status = Active
			\| category = Astronomy
			\| compute = CPU
			\| dependencies =

	\| author = Astronomical Observatory Institute, Faculty of Physics, Adam Mickiewicz University		\| author = Astronomical Observatory Institute, Faculty of Physics, Adam Mickiewicz University
	\| developer = Gaia@home project team		\| developer = Gaia@home project team
	\| released = 2019		\| released = {{Start date and age\|2019\|08\|21}}
	\| ~~latest release version =~~		\| completed = No
	\| ~~latest release date =~~		\| discontinued =
	\| ~~operating_system~~ = ~~Cross-platform~~
	\| ~~platform~~ = ~~[[BOINC]]~~
	~~\| genre = [[Volunteer computing]]~~
	\| license = Free software		\| license = Free software
	\| website = [http://gaiaathome.eu/gaiaathome/ gaiaathome.eu]		\| website = [http://gaiaathome.eu/gaiaathome/ gaiaathome.eu]
	}}		}}
			[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]
	[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project based on the [[BOINC]] middleware platform. The project was created by researchers from the Astronomical Observatory Institute at [[wikipedia:Adam Mickiewicz University in Poznań\|Adam Mickiewicz University]] in Poland to support astronomical research using data from the [[wikipedia:Gaia (spacecraft)\|Gaia]] space observatory mission operated by the [[wikipedia:European Space Agency\|European Space Agency]] (ESA).<ref>{{cite web \|url=http://gaiaathome.eu/gaiaathome/ \|title=Gaia@home \|publisher=Gaia@home \|access-date=2026-05-18}}</ref>		[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project based on the [[BOINC]] middleware platform. The project was created by researchers from the Astronomical Observatory Institute at [[wikipedia:Adam Mickiewicz University in Poznań\|Adam Mickiewicz University]] in Poland to support astronomical research using data from the [[wikipedia:Gaia (spacecraft)\|Gaia]] space observatory mission operated by the [[wikipedia:European Space Agency\|European Space Agency]] (ESA).<ref>{{cite web \|url=http://gaiaathome.eu/gaiaathome/ \|title=Gaia@home \|publisher=Gaia@home \|access-date=2026-05-18}}</ref>

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	== See also ==		== See also ==

	* [[BOINC]]		* [[wikipedia:BOINC]]
	* [[wikipedia:Gaia (spacecraft)\|Gaia spacecraft]]		* [[wikipedia:Gaia (spacecraft)\|Gaia spacecraft]]
	* [[wikipedia:Oort cloud\|Oort cloud]]		* [[wikipedia:Oort cloud\|Oort cloud]]
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	== References ==		== References ==
	~~<references/>~~		{{Reflist}}

Al Piskun at 02:48, 19 May 2026

2026-05-19T02:48:51Z

← Older revision		Revision as of 02:48, 19 May 2026
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	* Improve understanding of the Oort cloud and cometary origins		* Improve understanding of the Oort cloud and cometary origins
	* Use Gaia astrometric data for precision celestial mechanics calculations		* Use Gaia astrometric data for precision celestial mechanics calculations

	~~[[File:Gaia sky map.png\|thumb\|right\|300px\|A sky map generated from data collected by the Gaia mission.]]~~

	== Scientific background ==		== Scientific background ==
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	more details: [https://www.aanda.org/articles/aa/full_html/2016/11/aa29835-16/aa29835-16.html '''''Berski, F and Dybczynski, P.A., 2020: Close approach parameters recalculated based on the first Gaia data release''''']		more details: [https://www.aanda.org/articles/aa/full_html/2016/11/aa29835-16/aa29835-16.html '''''Berski, F and Dybczynski, P.A., 2020: Close approach parameters recalculated based on the first Gaia data release''''']

	~~[[File:Artist's impression of the Oort cloud.jpg\|thumb\|right\|300px\|Artist's impression of the Oort cloud, whose dynamics are affected by close stellar encounters.]]~~

	=== Future and experimental applications ===		=== Future and experimental applications ===

Al Piskun: infobox and updates

2026-05-19T02:20:44Z

infobox and updates

Show changes

Al Piskun: clarify

2024-03-16T17:44:40Z

clarify

← Older revision		Revision as of 17:44, 16 March 2024
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	[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]		[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]

	[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project that needs you to help scientists access the BOINC platform.		[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project that needs you to help scientists access the BOINC platform to analyze Gaia data.

	== Why Gaia@home? ==		== Why Gaia@home? ==

Al Piskun: clarify

2024-03-16T17:42:00Z

clarify

← Older revision		Revision as of 17:42, 16 March 2024
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	[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]		[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]

	[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project that needs ~~your~~ to help scientists access to the BOINC platform.		[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project that needs you to help scientists access the BOINC platform.

	== Why Gaia@home? ==		== Why Gaia@home? ==

Al Piskun: complete

2024-03-16T17:15:15Z

complete

← Older revision		Revision as of 17:15, 16 March 2024
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	[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]		[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]

	[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project that needs your help to ...		[http://gaiaathome.eu/gaiaathome/ '''''Gaia@home'''''] is a '''''[[wikipedia:Volunteer computing\|volunteer distributed computing]]''''' project that needs your to help scientists access to the BOINC platform.

	== Why Gaia@home? ==		== Why Gaia@home? ==
			The Gaia@home project is designed to give scientists another layer of freedom. The project allows computations which demand a lot of CPU time – reducing the computational workload and opening up opportunities for heavy processing operations on volunteers computers.
	* The Gaia@home project is designed to give scientists another layer of freedom. The project allows computations which demand a lot of CPU time – reducing the computational workload and opening up opportunities for heavy processing operations on volunteers computers.

	== Goal ==		== Goal ==
	* To create a huge number of small jobs (Gaia data + code), and send them to the BOINC platform to collect the results for further analysis.		To create a huge number of small jobs (Gaia data + code), and send them to the BOINC platform to collect the results for further analysis.

	== Subprojects ==		== Subprojects ==
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	Calculating long-period comet orbits under the simultaneous Galactic and stellar perturbations. (N-body problem with N of the order of 400).		Calculating long-period comet orbits under the simultaneous Galactic and stellar perturbations. (N-body problem with N of the order of 400).

	more details: [https://www.aanda.org/articles/aa/pdf/2020/08/aa38451-20.pdf \|Królikowska, M and Dybczynski, P.A., 2020: The catalogue of cometary orbits and their dynamical evolution]		more details: [https://www.aanda.org/articles/aa/pdf/2020/08/aa38451-20.pdf '''''Królikowska, M and Dybczynski, P.A., 2020: The catalogue of cometary orbits and their dynamical evolution''''']
	[[File:Comets_cut.png\|alt=Orbital changes of C/2002 T7\|none\|frameless]]Orbital changes of C/2002 T7 projected on its original orbit plane that described by five snapshots in CODE catalogue. Red line depicts the past motion of this comet while the blue line depicts its future evolution. Five epochs (snapshots) when orbital elements are recorded are marked: 1 - osculating heliocentric orbit near the centre of the observational interval (typically near the perihelion); 2 - original barycentric orbit recorded in the past at 250 au from the Sun; 3 - future barycentric orbit recorded in the future at 250 au from the Sun; 4 - previous orbit, recorded at the previous perihelion; 5 - next orbit, in this case recorded at the escape border at 120 000 au from the Sun, but for many other comets recorded in the next perihelion.		[[File:Comets_cut.png\|alt=Orbital changes of C/2002 T7\|none\|frameless]]Orbital changes of C/2002 T7 projected on its original orbit plane that described by five snapshots in CODE catalogue. Red line depicts the past motion of this comet while the blue line depicts its future evolution. Five epochs (snapshots) when orbital elements are recorded are marked: 1 - osculating heliocentric orbit near the centre of the observational interval (typically near the perihelion); 2 - original barycentric orbit recorded in the past at 250 au from the Sun; 3 - future barycentric orbit recorded in the future at 250 au from the Sun; 4 - previous orbit, recorded at the previous perihelion; 5 - next orbit, in this case recorded at the escape border at 120 000 au from the Sun, but for many other comets recorded in the next perihelion.
	* '''Stellar close approaches'''		* '''Stellar close approaches'''
	To investigate the proximity parameters and the influence of the close approach of stars on the basis of Gaia DR2 and DR3. Using a numerical integration in an axisymmetric Galactic model, we determine new parameters of the close encounter for stars. Adding ten thousand clones drawn with the use of a covariance matrix, we estimate the most probable position and velocity of stars at the minimum distance from the Sun.		To investigate the proximity parameters and the influence of the close approach of stars on the basis of Gaia DR2 and DR3. Using a numerical integration in an axisymmetric Galactic model, we determine new parameters of the close encounter for stars. Adding ten thousand clones drawn with the use of a covariance matrix, we estimate the most probable position and velocity of stars at the minimum distance from the Sun.

	more details: [https://www.aanda.org/articles/aa/full_html/2016/11/aa29835-16/aa29835-16.html \|Berski, F and Dybczynski, P.A., 2020: Close approach parameters recalculated based on the first Gaia data release]		more details: [https://www.aanda.org/articles/aa/full_html/2016/11/aa29835-16/aa29835-16.html '''''Berski, F and Dybczynski, P.A., 2020: Close approach parameters recalculated based on the first Gaia data release''''']

	== Project team / Sponsors ==		== Project team / Sponsors ==
	Astronomical Observatory Institute, Faculty of Physics, Adam Mickiewicz University		Astronomical Observatory Institute, Faculty of Physics, Adam Mickiewicz University

Al Piskun: initial edits

2024-02-04T19:26:05Z

initial edits

← Older revision		Revision as of 19:26, 4 February 2024
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	~~<div style="background-color: #D4E2FC; border-top: 1px solid #5F92F2; font-size: bigger; padding-left: 15px; margin: 12px -5px -5px -5px;">'''BOINC project page template'''</div>~~

	[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]		[[File:{{#setmainimage:Gaia@home.jpg}}\|alt=Gaia@home logo\|center\|frameless]]

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	== Why Gaia@home? ==		== Why Gaia@home? ==

	* ~~why this topic/object~~ of ~~study?~~		* The Gaia@home project is designed to give scientists another layer of freedom. The project allows computations which demand a lot of CPU time – reducing the computational workload and opening up opportunities for heavy processing operations on volunteers computers.

	== Goal ==		== Goal ==
	* ~~summarize~~ the ~~objectives~~ and ~~challenges which~~ the ~~project addresses~~, ~~before jumping into details~~		* To create a huge number of small jobs (Gaia data + code), and send them to the BOINC platform to collect the results for further analysis.

			== Subprojects ==

			* '''Long period comets'''

			Calculating long-period comet orbits under the simultaneous Galactic and stellar perturbations. (N-body problem with N of the order of 400).

			more details: [https://www.aanda.org/articles/aa/pdf/2020/08/aa38451-20.pdf \|Królikowska, M and Dybczynski, P.A., 2020: The catalogue of cometary orbits and their dynamical evolution]
			[[File:Comets_cut.png\|alt=Orbital changes of C/2002 T7\|none\|frameless]]Orbital changes of C/2002 T7 projected on its original orbit plane that described by five snapshots in CODE catalogue. Red line depicts the past motion of this comet while the blue line depicts its future evolution. Five epochs (snapshots) when orbital elements are recorded are marked: 1 - osculating heliocentric orbit near the centre of the observational interval (typically near the perihelion); 2 - original barycentric orbit recorded in the past at 250 au from the Sun; 3 - future barycentric orbit recorded in the future at 250 au from the Sun; 4 - previous orbit, recorded at the previous perihelion; 5 - next orbit, in this case recorded at the escape border at 120 000 au from the Sun, but for many other comets recorded in the next perihelion.
			* '''Stellar close approaches'''
			To investigate the proximity parameters and the influence of the close approach of stars on the basis of Gaia DR2 and DR3. Using a numerical integration in an axisymmetric Galactic model, we determine new parameters of the close encounter for stars. Adding ten thousand clones drawn with the use of a covariance matrix, we estimate the most probable position and velocity of stars at the minimum distance from the Sun.

	~~== Methods ==~~		more details: [https://www.aanda.org/articles/aa/full_html/2016/11/aa29835-16/aa29835-16.html \|Berski, F and Dybczynski, P.A., 2020: Close approach parameters recalculated based on the first Gaia data release]
	* always including "why BOINC"?
	* (Optional) insert MediaWiki image or upload[~~[File~~:~~Example of a GUI~~.~~png~~\|~~alt=example mediawiki image\|none\|thumb\|example MediaWiki image]~~]
	* impactful final statement

	== Project team / Sponsors ==		== Project team / Sponsors ==
			Astronomical Observatory Institute, Faculty of Physics, Adam Mickiewicz University