ASCC 51
(MWSC 1647)
0.83
UTI
0.75
CN
1.0
Cdens
1.0
CC3
0.7
Clit
1.0
Cdup
Radius (P>50% members)
27.7 [arcmin]
- CN 0.75 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.7 Moderately studied
- Cdup 1.0 Unique
Overview
ASCC 51 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age parameter (see Parameters). It is moderately studied in the literature.
Note: This object shares a moderate percentage of members with a later reported entry. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 139.846 | -69.812 | 1.814 | -7.676 | 7.989 | 10.178 |
| Hunt & Reffert | 2024 | 140.397 | -69.855 | 1.818 | -7.613 | 7.964 | 8.735 |
| Cavallo et al. | 2024 | 139.934 | -69.637 | 1.811 | â | â | â |
| Hunt & Reffert | 2023 | 140.397 | -69.855 | 1.818 | -7.613 | 7.964 | 8.735 |
| Just et al. | 2023 | 139.52 | -69.687 | â | â | â | â |
| Bica et al. | 2019 | 139.49 | -69.686 | â | â | â | â |
| Kharchenko et al. | 2016 | 139.52 | -69.687 | â | â | â | â |
| Dias et al. | 2014 | 139.5 | -69.69 | â | -3.88 | 6.6 | â |
| Kharchenko et al. | 2013 | 139.522 | -69.69 | â | -8.15 | 8.39 | â |
| Piskunov et al. | 2008 | 139.49 | -69.686 | â | â | â | â |
| Piskunov et al. | 2007 | 139.49 | -69.686 | â | â | â | â |
| Kharchenko et al. | 2005 | 139.5 | -69.69 | â | -8.28 | 7.0 | â |
| Dias et al. | 2002 | 139.5 | -69.69 | â | -8.28 | 7.0 | 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 | 0.5 | 0.16 | 0.35 | 339 | 0.150 | 227 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 120(1) | â | â |
| Cavallo et al. | 2024 | 0.56 | 0.45 | â | 91 | 0.150 | â | â | â |
| Hunt & Reffert | 2023 | 0.53 | 0.07 | 0.35 | 126 | â | â | â | â |
| Just et al. | 2023 | â | â | â | 347 | â | 62 | â | â |
| Kharchenko et al. | 2016 | 0.50 | 0.32 | â | 347 | â | â | â | â |
| Kharchenko et al. | 2013 | 0.50 | 0.32 | â | 347 | â | â | â | â |
| Piskunov et al. | 2008 | 0.50 | 0.16 | â | 339 | â | 752(1) | â | â |
| Piskunov et al. | 2007 | 0.50 | 0.16 | â | 339 | â | 334 | â | â |
| Kharchenko et al. | 2005 | 0.50 | 0.16 | â | 339 | â | â | â | â |
| Dias et al. | 2002 | 0.50 | 0.16 | â | 339 | â | â | â | â |
(N): Indicates that are N extra values assigned to this parameter in the corresponding reference.


Cavallo et al. (2024)
Gold sample.