BDSB 93

N_50

r_50

5.9

Summary

BDSB 93 is a moderately populated, very dense object of intermediate C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is well-studied in the literature.

Warning: This is possibly a duplicated object, which shares a significant percentage of members with at least one previously reported entry.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Kharchenko et al. (2012)	104.295	-8.19	–	3.26	0.21	–
Cantat-Gaudin et al. (2018)	104.297	-8.202	0.77	-2.41	1.021	–
Cantat-Gaudin et al. (2020)	104.297	-8.202	0.77	-2.41	1.021	–
Dias et al. (2021)	104.295	-8.215	0.751	-2.389	1.021	–
He et al. (2022)	104.323	-8.285	0.801	-1.991	0.992	–
Hunt & Reffert (2023)	104.295	-8.195	0.722	-2.332	1.248	20.909
Cavallo et al. (2024)	104.418	-8.384	0.726	–	–	–
Celli et al. (2024)	104.297	-8.202	–	–	–	–
Hunt & Reffert (2024)	104.295	-8.195	0.722	-2.332	1.248	20.909
Almeida et al. (2025)	104.295	-8.215	–	–	–	–

UCC	104.304	-8.221	0.748	-2.447	1.119	23.384

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Kharchenko et al. (2012)	`e_bv=0.666, distance=2173, log_age=6.5`
Cantat-Gaudin et al. (2018)	`dmode=1250.8`
Cantat-Gaudin et al. (2020)	`AVNN=1.77, DistPc=1196.0, AgeNN=7.2`
Dias et al. (2021)	`Av=2.226, Dist=1022, logage=7.081, [Fe/H]=-0.109`
He et al. (2022)	`A0=0.05, logAge=6.7`
Hunt & Reffert (2023)	`AV50=1.224, diffAV50=2.238, MOD50=10.529, logAge50=6.865`
Cavallo et al. (2024)	`AV50=0.74, dMod50=10.49, logAge50=7.91, [Fe/H]50=0.53`
Celli et al. (2024)	`Age=15.8, Mc=61.9`
Hunt & Reffert (2024)	`MassJ=84.0102, MassTot=168.584`
Almeida et al. (2025)	`AV=2.226, Dist=1022, logAge=7.081, MassRk=153.3`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
FSR 1155	72.4	104.3	-8.2	0.76	-2.46	1.1	35.96	0.45