Gaia 2

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.63 1.0 1.0 0.42 1.0
C3	N_50	r_50
AA	76	1.4

Summary

Gaia 2 is a moderately populated, very dense object of very high C3 quality. It is located at a large distance from the Sun, well below the mid-plane. It is poorly studied in the literature.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Cantat-Gaudin et al. (2020)	28.136	53.058	0.099	-1.181	1.299	–
Hunt & Reffert (2023)	28.129	53.049	0.167	-1.318	1.219	-54.371
Cavallo et al. (2024)	28.127	53.048	0.167	–	–	–
Hunt & Reffert (2024)	28.129	53.049	0.167	-1.318	1.219	-54.371
Hu & Soubiran (2025)	28.127	53.048	–	–	–	–
UCC	28.128	53.036	0.156	-1.31	1.237	-52.818

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2 3

Explore data in Colab

Fundamental parameters

Reference	Values
Cantat-Gaudin et al. (2020)	AVNN=0.5, DistPc=5370.0, AgeNN=9.9
Hunt & Reffert (2023)	AV50=0.609, diffAV50=1.127, MOD50=14.007, logAge50=9.473
Cavallo et al. (2024)	AV50=0.95, dMod50=13.43, logAge50=10.08, [Fe/H]50=-0.6
Hunt & Reffert (2024)	MassJ=458.873, MassTot=521.357
Hu & Soubiran (2025)	MA22=-0.3, MA23f=-0.48, MA23g=-0.44, MZ23=-0.5, MK24=-0.39, MF24=-0.52

Search coordinates in Bayestar19

Cluster region map