NGC 2323
(MWSC 1072; FoF 2079; CMa17)
1.0
UTI
1.0
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
Stellar density (N50/rad)
93.3 [N/pc2]
- CN 1.0 Very rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 1.0 Very well-studied
- Cdup 1.0 Unique
Overview
NGC 2323 is a very rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, near 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, metallicity, and mass parameters (see Parameters). It is very well-studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999β | 105.695 | -8.359 | 1.006 | -0.77 | -0.603 | 4.443 |
| Wei et al. | 2025 | 105.691 | -8.349 | 1.003 | -0.792 | -0.621 | β |
| Almeida et al. | 2025 | 105.666 | -8.379 | β | β | β | β |
| Hunt & Reffert | 2024 | 105.705 | -8.355 | 1.006 | -0.717 | -0.602 | 5.079 |
| Cavallo et al. | 2024 | 105.687 | -8.36 | 1.006 | β | β | β |
| Hunt & Reffert | 2023 | 105.705 | -8.355 | 1.006 | -0.717 | -0.602 | 5.079 |
| Cordoni et al. | 2023 | 105.666 | -8.379 | 0.999 | -0.691 | -0.62 | β |
| Just et al. | 2023 | 105.673 | -8.368 | β | β | β | β |
| He et al. | 2022 | 105.679 | -8.366 | 1.004 | -0.771 | -0.604 | β |
| Tarricq et al. | 2022 | 105.701 | -8.346 | 1.009 | -0.83 | -0.635 | β |
| Jaehnig et al. | 2021 | 105.705 | -8.359 | 1.033 | -0.749 | -0.625 | β |
| Santos-Silva et al. | 2021 | 105.7 | -8.33 | 0.97 | -0.71 | -0.66 | β |
| Rain et al. | 2021 | 105.684 | -8.365 | 0.997 | -0.688 | -0.611 | β |
| Dias et al. | 2021 | 105.666 | -8.379 | 0.999 | -0.691 | -0.62 | 18.062 |
| Cantat-Gaudin et al. | 2020 | 105.684 | -8.365 | 0.997 | -0.688 | -0.611 | β |
| SΓ‘nchez et al. | 2020 | 105.675 | -8.383 | β | -0.829 | -0.711 | β |
| Cantat-Gaudin & Anders | 2020 | 105.684 | -8.365 | 0.997 | -0.688 | -0.611 | β |
| Liu & Pang | 2019 | 105.7 | -8.369 | 0.997 | -0.715 | -0.633 | β |
| Bossini et al. | 2019 | 105.684 | -8.365 | β | β | β | β |
| Soubiran et al. | 2018 | 105.684 | -8.365 | β | β | β | 6.79 |
| Cantat-Gaudin et al. | 2018 | 105.684 | -8.365 | 0.997 | -0.688 | -0.611 | β |
| Loktin & Popova | 2017 | 105.675 | -8.382 | β | 0.814 | -0.743 | 5.4 |
| Kharchenko et al. | 2016 | 105.673 | -8.368 | β | β | β | β |
| Dias et al. | 2014 | 105.675 | -8.383 | β | 0.86 | -3.06 | β |
| Kharchenko et al. | 2013 | 105.679 | -8.37 | β | 0.5 | -1.75 | 5.4 |
| Gozha et al. | 2012 | 105.675 | -8.383 | β | β | β | β |
| Piskunov et al. | 2008 | 105.67 | -8.372 | β | β | β | β |
| Kharchenko et al. | 2007 | 105.67 | -8.38 | β | 0.37 | β | 5.4 |
| Piskunov et al. | 2007 | 105.67 | -8.372 | β | β | β | β |
| van den Bergh | 2006 | 105.7 | -8.377 | β | β | β | β |
| Kharchenko et al. | 2005 | 105.67 | -8.37 | β | 0.34 | -1.58 | β |
| Kharchenko et al. | 2003 | 105.69 | -8.36 | β | 0.22 | -1.76 | β |
| Chen et al. | 2003 | 105.806 | -8.348 | β | -0.32 | -1.24 | 9.5 |
| Dias et al. | 2002 | 105.675 | -8.383 | β | 0.86 | -3.06 | 14.7 |
| Dambis | 1999 | 105.698 | -8.338 | β | β | β | β |
π‘ 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 | 99999β | 0.95 | 0.65 | 1.07 | 135 | 0.000 | 604 | 0.4 | 0.0 |
| Wei et al. | 2025 | 1.42 | 0.83 | β | 331 | 0.250 | 411 | 0.44 | β |
| Almeida et al. | 2025 | 0.95 | 0.68 | β | 425 | β | 1899 | β | β |
| Hunt & Reffert | 2024 | β | β | β | β | β | 1789(1) | β | β |
| Cavallo et al. | 2024 | 0.97 | 0.51 | β | 417 | 0.470 | β | β | β |
| Hunt & Reffert | 2023 | 0.94 | 0.58 | 1.07 | 144 | β | β | β | β |
| Cordoni et al. | 2023 | 0.95 | 0.68 | β | 425 | 0.000 | 3557 | 0.36 | 0.00 |
| Just et al. | 2023 | β | β | β | 180 | β | 255 | β | β |
| He et al. | 2022 | β | 0.95 | β | 71 | β | β | β | β |
| Tarricq et al. | 2022 | 0.97 | β | β | 145 | β | β | β | β |
| Jaehnig et al. | 2021 | 0.97(1) | β | β | β | β | β | β | β |
| Santos-Silva et al. | 2021 | 0.99(1) | 0.91(1) | β | 163(1) | -0.150(1) | β | β | β |
| Rain et al. | 2021 | 0.97 | 0.46 | β | 93 | β | β | β | 0 |
| Dias et al. | 2021 | 0.95 | 0.68 | β | 425 | 0.000 | β | β | β |
| Cantat-Gaudin et al. | 2020 | 0.98 | 0.46 | β | 132 | β | β | β | β |
| Cantat-Gaudin & Anders | 2020 | 0.97 | β | β | β | β | β | β | β |
| Liu & Pang | 2019 | β | β | β | 48 | 0.250 | β | β | β |
| Bossini et al. | 2019 | 0.92 | 0.47 | β | 94 | 0.000 | β | β | β |
| Soubiran et al. | 2018 | 0.97 | β | β | β | β | β | β | β |
| Cantat-Gaudin et al. | 2018 | 0.97 | β | β | β | β | β | β | β |
| Loktin & Popova | 2017 | 0.89 | 0.67 | β | 127 | β | β | β | β |
| Kharchenko et al. | 2016 | 0.90 | 0.71 | β | 180 | β | β | β | β |
| Kharchenko et al. | 2013 | 0.90 | 0.71 | β | 180 | β | β | β | β |
| Gozha et al. | 2012 | 0.95 | β | β | 100 | β | 537 | β | β |
| Piskunov et al. | 2008 | 0.88 | 0.65 | β | 135 | β | 670(1) | β | β |
| Piskunov et al. | 2007 | 0.88 | 0.65 | β | 135 | β | 206 | β | β |
| van den Bergh | 2006 | 0.93 | 0.65 | β | 126 | β | β | β | β |
| Kharchenko et al. | 2005 | 0.88 | 0.65 | β | 135 | β | β | β | β |
| Kharchenko et al. | 2003 | 0.93 | 0.65 | β | β | β | β | β | β |
| Chen et al. | 2003 | 0.93 | β | β | 120 | β | β | β | β |
| Dias et al. | 2002 | 0.95 | 0.62 | β | 100 | β | β | β | β |
| Dambis | 1999 | 0.91 | 0.72 | β | 126 | β | β | β | β |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit. Gold sample.
Cavallo et al. (2024)
Gold sample.