Updated parameters of 1743 open clusters based on Gaia DR2

J 2021

Updated parameters of 1743 open clusters based on Gaia DR2

DIAS, W. S., H. MONTEIRO, A. MOITINHO, J. R. D. LEPINE, G. CARRARO et. al.

Základní údaje

Originální název

Updated parameters of 1743 open clusters based on Gaia DR2

Autoři

DIAS, W. S. (garant), H. MONTEIRO, A. MOITINHO, J. R. D. LEPINE, G. CARRARO, Ernst PAUNZEN (40 Rakousko, domácí), B. ALESSI a L. VILLELA

Vydání

Monthly Notices of the Royal Astronomical Society, Oxford University Press, 2021, 0035-8711

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10308 Astronomy

Stát vydavatele

Velká Británie a Severní Irsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 5.235

Kód RIV

RIV/00216224:14310/21:00121843

Organizační jednotka

Přírodovědecká fakulta

DOI

http://dx.doi.org/10.1093/mnras/stab770

UT WoS

000656137100024

Klíčová slova anglicky

Galaxy: open clusters and associations: general

Štítky

rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 25. 6. 2021 11:56, Mgr. Marie Šípková, DiS.

Anotace

V originále

In this study, we follow up our recent paper (Monteiro et al. 2020) and present a homogeneous sample of fundamental parameters of open clusters in our Galaxy, entirely based on Gaia DR2 data. We used published membership probability of the stars derived from Gaia DR2 data and applied our isochrone fitting code, updated as in Monteiro et al. (2020), to GBP and GRPGaia DR2 data for member stars. In doing this, we take into account the nominal errors in the data and derive distance, age, and extinction of each cluster. This work therefore provides parameters for 1743 open clusters and, as a by-product, a list of likely not physical or dubious open clusters is provided as well for future investigations. Furthermore, it was possible to estimate the mean radial velocity of 831 clusters (198 of which are new and unpublished so far), using stellar radial velocities from Gaia DR2 catalogue. By comparing the open cluster distances obtained from isochrone fitting with those obtained from a maximum likelihood estimate of individual member parallaxes, we found a systematic offset of (−0.05 ± 0.04) mas.

Citovat

DIAS, W. S., H. MONTEIRO, A. MOITINHO, J. R. D. LEPINE, G. CARRARO, Ernst PAUNZEN, B. ALESSI a L. VILLELA. Updated parameters of 1743 open clusters based on Gaia DR2. Monthly Notices of the Royal Astronomical Society. Oxford University Press, 2021, roč. 504, č. 1, s. 356-371. ISSN 0035-8711. Dostupné z: https://dx.doi.org/10.1093/mnras/stab770.

@article{1778457,
   author = {Dias, W. S. and Monteiro, H. and Moitinho, A. and Lepine, J. R. D. and Carraro, G. and Paunzen, Ernst and Alessi, B. and Villela, L.},
   article_number = {1},
   doi = {http://dx.doi.org/10.1093/mnras/stab770},
   keywords = {Galaxy: open clusters and associations: general},
   language = {eng},
   issn = {0035-8711},
   journal = {Monthly Notices of the Royal Astronomical Society},
   title = {Updated parameters of 1743 open clusters based on Gaia DR2},
   url = {https://doi.org/10.1093/mnras/stab770},
   volume = {504},
   year = {2021}
}

TY  - JOUR
ID  - 1778457
AU  - Dias, W. S. - Monteiro, H. - Moitinho, A. - Lepine, J. R. D. - Carraro, G. - Paunzen, Ernst - Alessi, B. - Villela, L.
PY  - 2021
TI  - Updated parameters of 1743 open clusters based on Gaia DR2
JF  - Monthly Notices of the Royal Astronomical Society
VL  - 504
IS  - 1
SP  - 356-371
EP  - 356-371
PB  - Oxford University Press
SN  - 00358711
KW  - Galaxy: open clusters and associations: general
UR  - https://doi.org/10.1093/mnras/stab770
N2  - In this study, we follow up our recent paper (Monteiro et al. 2020) and present a homogeneous sample of fundamental parameters of open clusters in our Galaxy, entirely based on Gaia DR2 data. We used published membership probability of the stars derived from Gaia DR2 data and applied our isochrone fitting code, updated as in Monteiro et al. (2020), to GBP and GRPGaia DR2 data for member stars. In doing this, we take into account the nominal errors in the data and derive distance, age, and extinction of each cluster. This work therefore provides parameters for 1743 open clusters and, as a by-product, a list of likely not physical or dubious open clusters is provided as well for future investigations. Furthermore, it was possible to estimate the mean radial velocity of 831 clusters (198 of which are new and unpublished so far), using stellar radial velocities from Gaia DR2 catalogue. By comparing the open cluster distances obtained from isochrone fitting with those obtained from a maximum likelihood estimate of individual member parallaxes, we found a systematic offset of (−0.05 ± 0.04) mas.
ER  -

DIAS, W. S., H. MONTEIRO, A. MOITINHO, J. R. D. LEPINE, G. CARRARO, Ernst PAUNZEN, B. ALESSI a L. VILLELA. Updated parameters of 1743 open clusters based on Gaia DR2. \textit{Monthly Notices of the Royal Astronomical Society}. Oxford University Press, 2021, roč.~504, č.~1, s.~356-371. ISSN~0035-8711. Dostupné z: https://dx.doi.org/10.1093/mnras/stab770.

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