IC 2948

N_50

r_50

195

3.9

Summary

IC 2948 is a 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 well-studied in the literature.

Warning: This is very likely a duplicate object, which shares a large 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. (2008)	174.845	-63.475	–	–	–	–
Kharchenko et al. (2012)	174.803	-63.51	–	-4.46	-1.13	–
Cantat-Gaudin et al. (2018)	174.822	-63.44	0.388	-5.968	0.647	–
Cantat-Gaudin et al. (2020)	174.822	-63.44	0.388	-5.968	0.647	–
Dias et al. (2021)	174.797	-63.445	0.387	-5.981	0.644	–
Hunt & Reffert (2023)	174.911	-63.472	0.403	-5.917	0.686	6.018
Cavallo et al. (2024)	174.919	-63.464	0.403	–	–	–
Hunt & Reffert (2024)	174.911	-63.472	0.403	-5.917	0.686	6.018
Almeida et al. (2025)	174.797	-63.445	–	–	–	–

UCC	174.88	-63.459	0.401	-5.955	0.65	-11.676

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
Piskunov et al. (2008)	`E(B-V)=0.3, Dist=2600, logt=6.75, logMA=2.92`
Kharchenko et al. (2012)	`e_bv=0.521, distance=2796, log_age=6.6`
Cantat-Gaudin et al. (2018)	`dmode=2400.2`
Cantat-Gaudin et al. (2020)	`AVNN=1.16, DistPc=2508.0, AgeNN=6.81`
Dias et al. (2021)	`Av=1.304, Dist=2371, logage=6.87, [Fe/H]=0.026`
Hunt & Reffert (2023)	`AV50=1.162, diffAV50=0.803, MOD50=11.766, logAge50=6.69`
Cavallo et al. (2024)	`AV50=1.17, dMod50=11.44, logAge50=7.0, [Fe/H]50=-0.27`
Hunt & Reffert (2024)	`MassJ=233.134, MassTot=233.134`
Almeida et al. (2025)	`AV=1.304, Dist=2371, logAge=6.87, MassRk=426.1`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
VDBH 121	97.4	174.69	-63.4	0.4	-6.01	0.65	0.02	0.66
VVV 005	13.8	174.74	-63.47	0.4	-5.95	0.51	-45.44	0.0