Collinder 93
(NGC 2232; MWSC 871; OCL 545; Escorial 8; FoF 2393; OCSN 227)
Summary
Collinder 93 is a rich, very dense object of very high C3 quality. It is located at a very close distance from the Sun, near the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 96.812 | -4.758 | – | – | – | – |
| Dias et al. (2002) | 96.812 | -4.758 | – | -3.37 | -3.1 | 26.6 |
| Chen et al. (2003) | 96.657 | -4.801 | – | -4.36 | -3.23 | 20.0 |
| Kharchenko et al. (2003) | 96.97 | -4.8 | – | -5.27 | -1.73 | – |
| Kharchenko et al. (2005) | 96.97 | -4.8 | – | -4.31 | -2.4 | 16.63 |
| Piskunov et al. (2007) | 96.97 | -4.799 | – | – | – | – |
| Kharchenko et al. (2007) | 96.81 | -4.76 | – | 0.6 | – | 19.85 |
| Piskunov et al. (2008) | 96.97 | -4.799 | – | – | – | – |
| Kharchenko et al. (2013) | 96.99 | -4.795 | – | -4.15 | -2.43 | 19.8 |
| Kharchenko et al. (2016) | 96.983 | -4.793 | – | – | – | – |
| Loktin & Popova (2017) | 96.99 | -4.795 | – | -3.37 | -3.1 | 19.8 |
| Yen et al. (2018) | 96.96 | -4.792 | 3.56 | -4.62 | -1.8 | – |
| Cantat-Gaudin et al. (2018) | 96.888 | -4.749 | 3.067 | -4.745 | -1.84 | – |
| Bica et al. (2019) | 96.997 | -4.763 | – | – | – | – |
| Soubiran et al. (2018) | 96.888 | -4.749 | – | – | – | 25.35 |
| Liu & Pang (2019) | 96.9 | -4.779 | 3.071 | -4.734 | -1.844 | – |
| Donor et al. (2020) | 96.99 | -4.795 | – | 0.13 | 1.42 | 81.4 |
| Cantat-Gaudin et al. (2020) | 96.888 | -4.749 | 3.067 | -4.745 | -1.84 | – |
| Dias et al. (2021) | 96.855 | -4.712 | 3.075 | -4.739 | -1.869 | 25.516 |
| Rain et al. (2021) | 96.888 | -4.749 | 3.067 | -4.745 | -1.84 | – |
| Jaehnig et al. (2021) | 96.88 | -4.755 | 3.1 | -4.721 | -1.833 | – |
| He et al. (2022) | 96.559 | -3.801 | 3.115 | -4.575 | -1.99 | – |
| Just et al. (2023) | 96.983 | -4.793 | – | – | – | – |
| Qin et al. (2023) | 96.98 | -4.79 | 3.14 | -4.71 | -1.77 | 25.44 |
| Hunt & Reffert (2023) | 96.978 | -4.772 | 3.12 | -4.717 | -1.77 | 22.767 |
| Cavallo et al. (2024) | 96.838 | -4.712 | 3.118 | – | – | – |
| Celli et al. (2024) | 96.888 | -4.749 | – | – | – | – |
| Hunt & Reffert (2024) | 96.978 | -4.772 | 3.12 | -4.717 | -1.77 | 22.767 |
| Zhang et al. (2024) | 96.978 | -4.772 | – | – | – | – |
| Alfonso et al. (2024) | 96.949 | -5.039 | 3.041 | -4.673 | -1.669 | – |
| Almeida et al. (2025) | 96.855 | -4.712 | – | – | – | – |
| UCC | 96.909 | -4.743 | 3.118 | -4.722 | -1.766 | 24.53 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.021, DM0=7.9, log_age_=7.85 |
| Dias et al. (2002) | E(B-V)=0.03, Dist=359.0, Age=7.727, [Fe/H]=0.32 |
| Chen et al. (2003) | HDis=359, Age=0.05 |
| Kharchenko et al. (2003) | E(B-V)=0.03, Dist=324 |
| Kharchenko et al. (2005) | E(B-V)=0.03, Dist=325, logt=7.49 |
| Piskunov et al. (2007) | E(B-V)=0.03, Dist=325, logt=7.49, logM=1.616 |
| Piskunov et al. (2008) | E(B-V)=0.03, Dist=325, logt=7.49, logM=1.839, logMA=2.007 |
| Kharchenko et al. (2013) | E(B-V)=0.031, d=330.0, logt=7.7, [Fe/H]=0.32 |
| Kharchenko et al. (2016) | E(B-V)=0.031, d=330.0, logt=7.7 |
| Loktin & Popova (2017) | E(B-V)=0.033, Dist=367, logt=7.745 |
| Yen et al. (2018) | E(B-V)=0.0, d=356.6, logt=8.02 |
| Cantat-Gaudin et al. (2018) | dmode=322.9 |
| Soubiran et al. (2018) | dmode=322.9 |
| Liu & Pang (2019) | Age=0.034, Z=0.25 |
| Donor et al. (2020) | Fe/H=-0.36 |
| Cantat-Gaudin et al. (2020) | AVNN=0.01, DistPc=315.0, AgeNN=7.25 |
| Dias et al. (2021) | Av=0.162, Dist=322, logage=7.486, [Fe/H]=0.016 |
| Rain et al. (2021) | E(B-V)=0.03, Dist=322.9, log(Age)=7.72, NBSS=0 |
| Jaehnig et al. (2021) | dmode=0.322 |
| He et al. (2022) | A0=0.05, logAge=7.25 |
| Just et al. (2023) | logt=7.7, logmt=0.957 |
| Qin et al. (2023) | E(B-V)=0.1, m-M=7.8, logt=7.35 |
| Hunt & Reffert (2023) | AV50=0.135, diffAV50=0.574, MOD50=7.5, logAge50=7.123 |
| Cavallo et al. (2024) | AV50=0.54, dMod50=7.56, logAge50=7.07, [Fe/H]50=-0.11 |
| Celli et al. (2024) | Age=17.8, Mc=179.0 |
| Hunt & Reffert (2024) | MassJ=165.155, MassTot=185.834 |
| Zhang et al. (2024) | [Fe/H]ANN=-0.0392, [Fe/H]MCMC=-0.0090 |
| Alfonso et al. (2024) | AV=0.01036, MOD=7.48980, logAge=7.40929, Z=0.01615 |
| Almeida et al. (2025) | AV=0.162, Dist=322, logAge=7.486, MassRk=159.3 |
Search coordinates in Bayestar19