Melotte 91
(Collinder 194; Pismis 9; VDBH 46; NGC 2659; MWSC 1538; OCL 752; vdBergh-Hagen 46; ESO 260 03; FoF 118)
Summary
Melotte 91 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 130.654 | -44.983 | – | -2.09 | 1.99 | – |
| Kharchenko et al. (2003) | 130.66 | -44.98 | – | -6.72 | 2.94 | – |
| Kharchenko et al. (2005) | 130.65 | -44.98 | – | -5.05 | 3.54 | – |
| Piskunov et al. (2008) | 130.647 | -44.976 | – | – | – | – |
| Kharchenko et al. (2013) | 130.642 | -44.985 | – | -6.0 | 5.3 | – |
| Kharchenko et al. (2016) | 130.637 | -44.983 | – | – | – | – |
| Loktin & Popova (2017) | 130.65 | -44.983 | – | -2.495 | 5.562 | – |
| Cantat-Gaudin et al. (2018) | 130.634 | -44.999 | 0.452 | -5.336 | 5.028 | – |
| Bica et al. (2019) | 130.671 | -44.95 | – | – | – | – |
| Soubiran et al. (2018) | 130.634 | -44.999 | – | – | – | 16.55 |
| Bossini et al. (2019) | 130.634 | -44.999 | – | – | – | – |
| Liu & Pang (2019) | 130.626 | -45.012 | 0.452 | -5.309 | 5.003 | – |
| Cantat-Gaudin et al. (2020) | 130.634 | -44.999 | 0.452 | -5.336 | 5.028 | – |
| Dias et al. (2021) | 130.633 | -44.998 | 0.435 | -5.364 | 5.028 | – |
| Just et al. (2023) | 130.637 | -44.983 | – | – | – | – |
| Hunt & Reffert (2023) | 130.634 | -45.0 | 0.47 | -5.299 | 5.077 | 22.154 |
| Cavallo et al. (2024) | 130.632 | -44.991 | 0.471 | – | – | – |
| Hunt & Reffert (2024) | 130.634 | -45.0 | 0.47 | -5.299 | 5.077 | 22.154 |
| Almeida et al. (2025) | 130.633 | -44.998 | – | – | – | – |
| UCC | 130.627 | -45.002 | 0.466 | -5.317 | 5.064 | 12.296 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.514, Dist=1713.0, Age=6.89 |
| Kharchenko et al. (2003) | E(B-V)=0.51, Dist=1724 |
| Kharchenko et al. (2005) | E(B-V)=0.51, Dist=1713, logt=7.23 |
| Piskunov et al. (2008) | E(B-V)=0.51, Dist=1713, logt=7.23, logMA=2.112 |
| Kharchenko et al. (2013) | E(B-V)=0.51, d=1713.0, logt=7.36 |
| Kharchenko et al. (2016) | E(B-V)=0.51, d=1713.0, logt=7.36 |
| Loktin & Popova (2017) | E(B-V)=0.474, Dist=1780, logt=6.99 |
| Cantat-Gaudin et al. (2018) | dmode=2079.6 |
| Soubiran et al. (2018) | dmode=2079.6 |
| Bossini et al. (2019) | AV=1.492, Dist=11.809, logA=7.434, Fe/H=0.0 |
| Liu & Pang (2019) | Age=0.501, Z=0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=1.21, DistPc=2095.0, AgeNN=7.64 |
| Dias et al. (2021) | Av=1.528, Dist=1815, logage=7.608, [Fe/H]=-0.08 |
| Just et al. (2023) | logt=7.36, logmt=1.739 |
| Hunt & Reffert (2023) | AV50=1.391, diffAV50=0.856, MOD50=11.456, logAge50=7.983 |
| Cavallo et al. (2024) | AV50=1.47, dMod50=11.52, logAge50=7.87, [Fe/H]50=0.42 |
| Hunt & Reffert (2024) | MassJ=471.991, MassTot=496.649 |
| Almeida et al. (2025) | AV=1.528, Dist=1815, logAge=7.608, MassRk=444.6 |
Search coordinates in Bayestar19