Ruprecht 137
(MWSC 2772; OCL 13; ESO 521 08)
0.29
UTI
0.0
CN
0.12
Cdens
0.25
CC3
0.55
Clit
1.0
Cdup
Radius (P>50% members)
7.8 [arcmin]
- CN 0.0 Sparse
- Cdens 0.12 Very loose
- CC3 0.25 Low quality
- Clit 0.55 Moderately studied
- Cdup 1.0 Unique
Overview
Ruprecht 137 is a sparse, very loose object of low C3 quality. Its parallax locates it at a moderate* distance, near the mid-plane, affected by moderate extinction. It is catalogued as an intermediate-age cluster (see Parameters). It is moderately studied in the literature.
(*): The parallax distance estimate (~2.32 kpc) differs significantly from the median photometric distance (~1.41 kpc).
Relatively close
Moderate extinction
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 270.04 | -25.233 | 0.431 | 1.28 | -1.915 | -12.836 |
| Hunt & Reffert | 2024 | 270.054 | -25.109 | 0.428 | 1.286 | -1.918 | â |
| Hunt & Reffert | 2023 | 270.054 | -25.109 | 0.428 | 1.286 | -1.918 | â |
| Just et al. | 2023 | 269.969 | -25.216 | â | â | â | â |
| Bica et al. | 2019 | 270.069 | -25.241 | â | â | â | â |
| Kharchenko et al. | 2016 | 269.969 | -25.216 | â | â | â | â |
| Dias et al. | 2014 | 270.067 | -25.227 | â | -0.07 | -2.39 | 19.0 |
| Kharchenko et al. | 2013 | 269.977 | -25.215 | â | 0.45 | -1.89 | â |
| Kharchenko et al. | 2003 | 270.0 | -25.16 | â | -0.01 | -0.23 | â |
| Dias et al. | 2002 | 270.067 | -25.227 | â | -0.07 | -2.39 | 19.0 |
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] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 273* | â | â |
| Hunt & Reffert | 2023 | 2.11 | 2.98 | 1.28 | 24 | â | â | â | â |
| Just et al. | 2023 | â | â | â | 624 | â | 206 | â | â |
| Kharchenko et al. | 2016 | 1.41 | 3.48 | â | 624 | â | â | â | â |
| Kharchenko et al. | 2013 | 1.41 | 3.48 | â | 624 | â | â | â | â |
| Kharchenko et al. | 2003 | 0.59 | 0.31 | â | â | â | â | â | â |
| Dias et al. | 2002 | 1.45 | 2.08 | â | 794 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
