Collinder 205
(FoF 984; Markarian 18; Mrk 18)
Summary
Collinder 205 is a rich, very dense object of high C3 quality. It is located at a relatively 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) | 135.133 | -48.983 | – | – | – | – |
| Dias et al. (2002) | 135.133 | -48.983 | – | -4.59 | 4.32 | 28.18 |
| Chen et al. (2003) | 135.174 | -48.948 | – | -3.86 | 6.5 | 8.5 |
| Piskunov et al. (2008) | 135.127 | -48.988 | – | – | – | – |
| Kharchenko et al. (2012) | 135.135 | -48.99 | – | -3.52 | 6.88 | – |
| Cantat-Gaudin et al. (2018) | 135.119 | -48.984 | 0.483 | -4.797 | 3.918 | – |
| Liu & Pang (2019) | 135.087 | -48.969 | 0.5 | -4.916 | 3.919 | – |
| Cantat-Gaudin et al. (2020) | 135.119 | -48.984 | 0.483 | -4.797 | 3.918 | – |
| Dias et al. (2021) | 135.091 | -48.985 | 0.455 | -4.67 | 3.934 | – |
| Rain et al. (2021) | 135.119 | -48.984 | 0.483 | -4.797 | 3.918 | – |
| Jaehnig et al. (2021) | 135.128 | -48.983 | 0.53 | -4.814 | 3.935 | – |
| Hunt & Reffert (2023) | 135.124 | -48.987 | 0.543 | -4.795 | 4.006 | 55.066 |
| Cavallo et al. (2024) | 135.082 | -48.959 | 0.543 | – | – | – |
| Celli et al. (2024) | 135.119 | -48.984 | – | – | – | – |
| Hunt & Reffert (2024) | 135.124 | -48.987 | 0.543 | -4.795 | 4.006 | 55.066 |
| Almeida et al. (2025) | 135.091 | -48.985 | – | – | – | – |
| UCC | 135.123 | -48.984 | 0.528 | -4.787 | 3.982 | 33.817 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.775, DM0=10.92, log_age_=6.4 |
| Dias et al. (2002) | E(B-V)=0.75, Dist=1853.0, Age=7.2 |
| Chen et al. (2003) | HDis=1853, Age=0.01 |
| Piskunov et al. (2008) | E(B-V)=0.77, Dist=1500, logt=7.03, logMA=2.432 |
| Kharchenko et al. (2012) | e_bv=0.874, distance=1458, log_age=7.03 |
| Cantat-Gaudin et al. (2018) | dmode=1953.0 |
| Liu & Pang (2019) | Age=0.008, Z=0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=2.3, DistPc=2394.0, AgeNN=6.66 |
| Dias et al. (2021) | Av=2.507, Dist=1400, logage=6.95, [Fe/H]=-0.169 |
| Rain et al. (2021) | E(B-V)=0.75, Dist=1953.0, log(Age)=7.2, NBSS=0 |
| Jaehnig et al. (2021) | dmode=1.895 |
| Hunt & Reffert (2023) | AV50=2.707, diffAV50=2.346, MOD50=11.237, logAge50=6.522 |
| Cavallo et al. (2024) | AV50=2.09, dMod50=11.26, logAge50=6.85, [Fe/H]50=0.29 |
| Celli et al. (2024) | Age=4.6, Mc=563.6 |
| Hunt & Reffert (2024) | MassJ=640.384, MassTot=634.431 |
| Almeida et al. (2025) | AV=2.507, Dist=1400, logAge=6.95, MassRk=347.6 |
Search coordinates in Bayestar19