VDBH 91
(vdB-Hagen 91; van den Bergh-Hagen 91; vdBergh-Hagen 91; BH 91; MWSC 1787)
0.27
UTI
0.0
CN
0.08
Cdens
0.25
CC3
0.52
Clit
1.0
Cdup
Nm (P>50%)
16
Core radius and density
2.4 [pc], 0.4 [pc-2]
- CN 0.0 Sparse
- Cdens 0.08 Very loose
- CC3 0.25 Low quality
- Clit 0.52 Moderately studied
- Cdup 1.0 Unique
Overview
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 (~0.75 kpc).
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 154.244 | -58.711 | 0.269 | -5.226 | 2.74 | 23.353 |
| Just et al. | 2023 | 154.238 | -58.691 | â | â | â | â |
| Bica et al. | 2019 | 154.326 | -58.699 | â | â | â | â |
| Dias et al. | 2018 | â | â | â | -6.47 | 2.33 | â |
| Dib et al. | 2018 | 154.245 | -58.695 | â | â | â | â |
| Sampedro et al. | 2017 | 154.325 | -58.7 | â | -3.49 | 2.29 | â |
| Joshi et al. | 2016 | 154.245 | -58.695 | â | â | â | â |
| Kharchenko et al. | 2016 | 154.238 | -58.691 | â | â | â | â |
| Dias et al. | 2014 | 154.325 | -58.7 | â | -3.28 | 2.13 | â |
| Kharchenko et al. | 2013 | 154.245 | -58.695 | â | -12.1 | 2.53 | â |
| Bukowiecki et al. | 2011 | 154.271 | -58.703 | â | â | â | â |
| Piskunov et al. | 2008 | 154.31 | -58.693 | â | â | â | â |
| Kharchenko et al. | 2005 | 154.32 | -58.7 | â | -6.25 | 4.22 | â |
| Kharchenko et al. | 2003 | 154.2 | -58.69 | â | -7.65 | 1.97 | â |
| Dias et al. | 2002 | 154.325 | -58.7 | â | -3.28 | 2.13 | â |
| Lynga | 1987 | 154.32 | -58.721 | â | â | â | â |
| van den Bergh & Hagen | 1975 | 153.875 | -58.467 | â | â | â | â |
đĄ 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 0.75 | 0.255 | â | 224 | â | 44 | â | â |
| Just et al. | 2023 | â | â | â | 224 | â | 11 | â | â |
| Dib et al. | 2018 | 0.75 | â | â | 224 | â | â | â | â |
| Joshi et al. | 2016 | 0.75 | 0.26 | â | 224 | â | 44 | â | â |
| Kharchenko et al. | 2016 | 0.75 | 0.26 | â | 224 | â | â | â | â |
| Kharchenko et al. | 2013 | 0.75 | 0.26 | â | 224 | â | â | â | â |
| Bukowiecki et al. | 2012 | â | â | â | â | â | 309 | â | â |
| Bukowiecki et al. | 2011 | 0.79(1) | 0.47 | â | 63 | â | â | â | â |
| Piskunov et al. | 2008 | 0.74 | 0.25 | â | 162 | â | â | â | â |
| Kharchenko et al. | 2005 | 0.74 | 0.25 | â | 162 | â | â | â | â |
| Kharchenko et al. | 2003 | 0.91 | 0.16 | â | â | â | â | â | â |
| Dias et al. | 2002 | 0.74 | 0.25 | â | 162 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA
