Collinder 184
(VDBH 30; NGC 2587; MWSC 1482; OCL 706; vdBergh-Hagen 30; ESO 431 07; FoF 591)
Summary
Collinder 184 is a rich, very dense object of high C3 quality. It is located at a moderate 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) | 125.854 | -29.508 | – | -4.3 | -2.5 | – |
| Kharchenko et al. (2013) | 125.857 | -29.493 | – | -2.16 | 3.7 | – |
| Kharchenko et al. (2016) | 125.852 | -29.491 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 125.861 | -29.503 | 0.295 | -4.248 | 3.586 | – |
| Bica et al. (2019) | 125.852 | -29.475 | – | – | – | – |
| Soubiran et al. (2018) | 125.861 | -29.503 | – | – | – | 48.72 |
| Liu & Pang (2019) | 125.876 | -29.502 | 0.297 | -4.217 | 3.605 | – |
| Cantat-Gaudin et al. (2020) | 125.861 | -29.503 | 0.295 | -4.248 | 3.586 | – |
| Dias et al. (2021) | 125.837 | -29.498 | 0.303 | -4.259 | 3.58 | 68.734 |
| Just et al. (2023) | 125.852 | -29.491 | – | – | – | – |
| Hunt & Reffert (2023) | 125.864 | -29.504 | 0.311 | -4.194 | 3.601 | 57.353 |
| Cavallo et al. (2024) | 125.852 | -29.489 | 0.309 | – | – | – |
| Hunt & Reffert (2024) | 125.864 | -29.504 | 0.311 | -4.194 | 3.601 | 57.353 |
| Almeida et al. (2025) | 125.837 | -29.498 | – | – | – | – |
| Hu & Soubiran (2025) | 125.852 | -29.489 | – | – | – | – |
| UCC | 125.859 | -29.501 | 0.309 | -4.219 | 3.618 | 54.452 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.1, Dist=2700.0, Age=8.7 |
| Kharchenko et al. (2013) | E(B-V)=0.1, d=2701.0, logt=8.7 |
| Kharchenko et al. (2016) | E(B-V)=0.1, d=2701.0, logt=8.7 |
| Cantat-Gaudin et al. (2018) | dmode=3089.8 |
| Soubiran et al. (2018) | dmode=3089.8 |
| Liu & Pang (2019) | Age=2.0, Z=-2.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.45, DistPc=3206.0, AgeNN=8.5 |
| Dias et al. (2021) | Av=0.636, Dist=2795, logage=8.565, [Fe/H]=-0.122 |
| Just et al. (2023) | logt=8.7, logmt=3.076 |
| Hunt & Reffert (2023) | AV50=0.18, diffAV50=0.662, MOD50=12.232, logAge50=8.832 |
| Cavallo et al. (2024) | AV50=0.66, dMod50=11.8, logAge50=8.78, [Fe/H]50=-0.52 |
| Hunt & Reffert (2024) | MassJ=614.147, MassTot=627.531 |
| Almeida et al. (2025) | AV=0.636, Dist=2795, logAge=8.565, MassRk=707.1 |
| Hu & Soubiran (2025) | MA22=-0.25, MA23f=-0.42, MZ23=-0.39, MK24=-0.33, MF24=-0.29 |
Search coordinates in Bayestar19