Melotte 182
(Collinder 353; NGC 6469; MWSC 2735; OCL 21; ESO 589 18)
Summary
Melotte 182 is a moderately populated, very dense object of very high C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 268.3 | -22.275 | – | 0.14 | -2.89 | – |
| Kharchenko et al. (2003) | 268.3 | -22.34 | – | 2.66 | -2.82 | – |
| Kharchenko et al. (2005) | 268.3 | -22.32 | – | 3.04 | -1.2 | – |
| Piskunov et al. (2008) | 268.295 | -22.322 | – | – | – | – |
| Kharchenko et al. (2013) | 268.305 | -22.315 | – | 0.84 | -4.51 | – |
| Kharchenko et al. (2016) | 268.297 | -22.316 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 268.277 | -22.3 | 0.587 | 0.638 | 0.813 | – |
| Bica et al. (2019) | 268.31 | -22.318 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 268.277 | -22.3 | 0.587 | 0.638 | 0.813 | – |
| Dias et al. (2021) | 268.278 | -22.295 | 0.598 | 0.634 | 0.814 | – |
| Just et al. (2023) | 268.297 | -22.316 | – | – | – | – |
| Hunt & Reffert (2023) | 268.268 | -22.305 | 0.578 | 0.722 | 0.747 | -1.914 |
| Cavallo et al. (2024) | 268.271 | -22.293 | 0.579 | – | – | – |
| Hunt & Reffert (2024) | 268.268 | -22.305 | 0.578 | 0.722 | 0.747 | -1.914 |
| Almeida et al. (2025) | 268.278 | -22.295 | – | – | – | – |
| UCC | 268.271 | -22.298 | 0.584 | 0.687 | 0.782 | -8.464 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.58, Dist=1100.0, Age=8.4 |
| Kharchenko et al. (2003) | E(B-V)=0.3, Dist=625 |
| Kharchenko et al. (2005) | E(B-V)=0.3, Dist=550, logt=8.36 |
| Piskunov et al. (2008) | E(B-V)=0.3, Dist=550, logt=8.36, logMA=1.005 |
| Kharchenko et al. (2013) | E(B-V)=0.333, d=690.0, logt=8.875 |
| Kharchenko et al. (2016) | E(B-V)=0.333, d=690.0, logt=8.875 |
| Cantat-Gaudin et al. (2018) | dmode=1623.3 |
| Cantat-Gaudin et al. (2020) | AVNN=1.62, DistPc=1710.0, AgeNN=7.84 |
| Dias et al. (2021) | Av=2.055, Dist=1602, logage=7.943, [Fe/H]=0.304 |
| Just et al. (2023) | logt=8.875, logmt=1.619 |
| Hunt & Reffert (2023) | AV50=2.227, diffAV50=2.026, MOD50=11.032, logAge50=7.448 |
| Cavallo et al. (2024) | AV50=2.46, dMod50=10.52, logAge50=8.11, [Fe/H]50=-0.44 |
| Hunt & Reffert (2024) | MassJ=791.750, MassTot=901.854 |
| Almeida et al. (2025) | AV=2.055, Dist=1602, logAge=7.943, MassRk=259.1 |
Search coordinates in Bayestar19