NGC 2849
(Collinder 207; VDBH 61; MWSC 1648; OCL 756; vdBergh-Hagen 61; ESO 314 13; FSR 1439)
0.92
UTI
0.87
CN
1.0
Cdens
1.0
CC3
0.87
Clit
1.0
Cdup
Stellar density (N50/rad)
28.3 [N/pc2]
- CN 0.87 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.87 Well-studied
- Cdup 1.0 Unique
Overview
NGC 2849 is a rich, very dense object of very high C3 quality. Its parallax locates it at a large distance, well above the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, old cluster, but with a large variance across recent sources for the mass parameter (see Parameters). It is well-studied in the literature.
Note: This object contains blue stragglers according to at least one source.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 139.851 | -40.519 | 0.164 | -4.257 | 3.543 | 76.628 |
| Li et al. | 2025 | 139.85 | -40.52 | 0.142 | -4.272 | 3.519 | â |
| Hu & Soubiran | 2025 | 139.853 | -40.52 | â | â | â | â |
| Almeida et al. | 2025 | 139.852 | -40.521 | â | â | â | â |
| Hunt & Reffert | 2024 | 139.849 | -40.519 | 0.158 | -4.265 | 3.549 | 74.938 |
| Cavallo et al. | 2024 | 139.853 | -40.52 | 0.159 | â | â | â |
| Hunt & Reffert | 2023 | 139.849 | -40.519 | 0.158 | -4.265 | 3.549 | 74.938 |
| Just et al. | 2023 | 139.841 | -40.514 | â | â | â | â |
| Jadhav & Subramaniam | 2021 | 139.85 | -40.52 | â | â | â | â |
| Jaehnig et al. | 2021 | 139.847 | -40.52 | 0.172 | -4.264 | 3.51 | â |
| Rain et al. | 2021 | 139.85 | -40.52 | 0.142 | -4.272 | 3.519 | â |
| Dias et al. | 2021 | 139.852 | -40.521 | 0.15 | -4.285 | 3.506 | â |
| Cantat-Gaudin et al. | 2020 | 139.85 | -40.52 | 0.142 | -4.272 | 3.519 | â |
| Cantat-Gaudin & Anders | 2020 | 139.85 | -40.52 | 0.142 | -4.272 | 3.519 | â |
| Bica et al. | 2019 | 139.844 | -40.518 | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 139.85 | -40.52 | 0.142 | -4.272 | 3.519 | â |
| Kharchenko et al. | 2016 | 139.841 | -40.514 | â | â | â | â |
| Dias et al. | 2014 | 139.846 | -40.523 | â | -5.61 | 6.93 | â |
| Kharchenko et al. | 2013 | 139.846 | -40.517 | â | -8.42 | 9.32 | â |
| Bukowiecki et al. | 2011 | 139.842 | -40.516 | â | â | â | â |
| Ahumada & Lapasset | 2007 | 139.85 | -40.517 | â | â | â | â |
| Dias et al. | 2002 | 139.846 | -40.523 | â | -5.61 | 6.93 | â |
| Lynga | 1987 | 139.816 | -40.539 | â | â | â | â |
| van den Bergh & Hagen | 1975 | 139.35 | -40.333 | â | â | â | â |
| Sulentic et al. | 1973 | 139.819 | -40.523 | 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 | 5.22 | 1.065 | 1.21 | 1076 | -0.189 | 1734 | â | 2 |
| Li et al. | 2025 | 5.11 | 1.41 | â | 1076 | -0.242 | â | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.200(5) | â | â | â |
| Almeida et al. | 2025 | 4.77 | 1.37 | â | 1253 | â | 1268 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 2653(1) | â | â |
| Cavallo et al. | 2024 | 3.98 | 1.24 | â | 1380 | -0.120 | â | â | â |
| Hunt & Reffert | 2023 | 5.92 | 1.24 | 1.21 | 710 | â | â | â | â |
| Just et al. | 2023 | â | â | â | 1245 | â | 197 | â | â |
| Jadhav & Subramaniam | 2021 | 5.22 | 0.85 | â | 1047 | â | 2201 | â | 2(1) |
| Jaehnig et al. | 2021 | 6.02(1) | â | â | â | â | â | â | â |
| Rain et al. | 2021 | 5.85 | 1.01 | â | 1000 | â | â | â | 2 |
| Dias et al. | 2021 | 4.77 | 1.37 | â | 1253 | -0.177 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 5.22 | 0.85 | â | 1047 | â | â | â | â |
| Kounkel et al. | 2020 | 4.77 | 1.12 | â | 794 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 5.85 | â | â | â | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 5.85 | â | â | â | â | â | â | â |
| Kharchenko et al. | 2016 | 4.80 | 0.92 | â | 1245 | â | â | â | â |
| Kharchenko et al. | 2013 | 4.80 | 0.92 | â | 1245 | â | â | â | â |
| Bukowiecki et al. | 2011 | 6.40(1) | 0.60 | â | 1259 | â | â | â | â |
| Ahumada & Lapasset | 2007 | â | 1.61 | â | 631 | â | â | â | 4 |
| Dias et al. | 2002 | 6.17 | 1.01 | â | 1000 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Almeida et al. (2025)
Mass determination: invalid due to poor quality CMD. Isochrone match: worst fit.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD classes: 0.99 (50th percentile), true positive (human-assigned).
Ahumada & Lapasset (2007)
All cluster parameters are from (2003RMxAA..39...41A). Only stars up to 2' from the cluster centre were considered. From their colour-colour diagrams, (2004AJ....128.2331K) conclude that stars 4 and 19 must be foreground stars.