VDBH 121

(vdBergh-Hagen 121; BH 121)

N_50

r_50

492

6.7

Summary

VDBH 121 is a very rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is moderately studied in the literature.

This is very likely a unique object, which shares a small percentage of members with at least one previously reported entry.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Piskunov et al. (2007)	174.521	-63.329	–	–	–	–
Piskunov et al. (2008)	174.521	-63.329	–	–	–	–
Kharchenko et al. (2012)	174.525	-63.338	–	-5.86	0.52	–
Cantat-Gaudin et al. (2018)	174.661	-63.387	0.387	-6.0	0.63	–
Cantat-Gaudin et al. (2020)	174.661	-63.387	0.387	-6.0	0.63	–
Dias et al. (2021)	174.663	-63.377	0.389	-6.011	0.637	–
Celli et al. (2024)	174.661	-63.387	–	–	–	–
Almeida et al. (2025)	174.663	-63.377	–	–	–	–

UCC	174.695	-63.401	0.398	-6.012	0.65	0.021

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2

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Fundamental parameters

Reference	Values
Piskunov et al. (2007)	`E(B-V)=0.29, Dist=2735, logt=6.64, logM=3.169`
Piskunov et al. (2008)	`E(B-V)=0.29, Dist=2735, logt=6.64, logM=3.864, logMA=4.443`
Kharchenko et al. (2012)	`e_bv=0.5, distance=2937, log_age=6.64`
Cantat-Gaudin et al. (2018)	`dmode=2405.0`
Cantat-Gaudin et al. (2020)	`AVNN=1.11, DistPc=2413.0, AgeNN=6.42`
Dias et al. (2021)	`Av=1.281, Dist=2250, logage=6.864, [Fe/H]=-0.089`
Celli et al. (2024)	`Age=2.6, Mc=1251.8`
Almeida et al. (2025)	`AV=1.281, Dist=2250, logAge=6.864, MassRk=1285.0`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
IC 2948	38.6	174.88	-63.46	0.4	-5.95	0.65	-11.68	0.02
IC 2944	21.5	174.56	-63.37	0.39	-6.09	0.66	0.02	0.87
VVV 005	7.5	174.74	-63.47	0.4	-5.95	0.51	-45.44	0.0
CWWDL 864	2.4	174.28	-63.27	0.39	-6.15	0.9	4.55	0.23