VDBH 91

(vdB-Hagen 91; vdBergh-Hagen 91; MWSC 1787; BH 91)

0.29 UTI

0.0

C_N

0.08

C_dens

0.25

C_C3

0.55

C_lit

1.0

C_dup

C3 classification CC

Number of members (P>50%) 16

Radius (P>50% members) 6.0 [arcmin]

C_N 0.0 Sparse
C_dens 0.08 Very loose
C_C3 0.25 Low quality
C_lit 0.55 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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VDBH 91 is a sparse, very loose object of low C3 quality. Its parallax locates it at a moderate^* distance, below the mid-plane, affected by low extinction. It is catalogued as a low-mass, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~3.72 kpc) differs significantly from the median photometric distance (~0.74 kpc).

Close Low extinction Low mass Intermediate age

Data

🔍 Search references for VDBH 91 in: SciX Simbad

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Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	–	154.244	-58.711	0.269	-5.226	2.74	23.353
Just et al.	2023	154.238	-58.691	–	–	–	–
Bica et al.	2019	154.326	-58.699	–	–	–	–
Kharchenko et al.	2016	154.238	-58.691	–	–	–	–
Dias et al.	2014	154.325	-58.7	–	-3.28	2.13	–
Kharchenko et al.	2013	154.245	-58.695	–	-12.1	2.53	–
Piskunov et al.	2008	154.31	-58.693	–	–	–	–
Kharchenko et al.	2005	154.32	-58.7	–	-6.25	4.22	–
Kharchenko et al.	2003	154.2	-58.69	–	-7.65	1.97	–
Dias et al.	2002	154.325	-58.7	–	-3.28	2.13	–

💡 Note: The UCC values are estimated from its identified members.

Reference	Year	Dist [kpc]	Av [mag]	DAv [mag]	Age [Myr]	[Fe/H] [dex]	Mass [Msun]	Bfr	BSS
Just et al.	2023	–	–	–	224	–	11	–	–
Kharchenko et al.	2016	0.75	0.26	–	224	–	–	–	–
Kharchenko et al.	2013	0.75	0.26	–	224	–	–	–	–
Piskunov et al.	2008	0.74	0.25	–	162	–	–	–	–
Kharchenko et al.	2005	0.74	0.25	–	162	–	–	–	–
Kharchenko et al.	2003	0.91	0.16	–	–	–	–	–	–
Dias et al.	2002	0.74	0.25	–	162	–	–	–	–

Visualization

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