Collinder 308
(NGC 6178; MWSC 2428; OCL 980; ESO 276 06)
Summary
Collinder 308 is a rich, very dense object of high C3 quality. It is located at a 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) | 248.946 | -45.643 | – | – | – | – |
| Dias et al. (2002) | 248.946 | -45.643 | – | 0.62 | -2.06 | 3.55 |
| Chen et al. (2003) | 248.953 | -45.654 | – | 0.62 | -2.06 | 4.5 |
| Kharchenko et al. (2003) | 248.94 | -45.63 | – | 0.53 | -3.13 | – |
| Kharchenko et al. (2005) | 248.94 | -45.64 | – | 1.17 | -2.04 | 3.54 |
| Kharchenko et al. (2007) | 248.94 | -45.64 | – | 0.16 | – | 3.54 |
| Piskunov et al. (2008) | 248.931 | -45.641 | – | – | – | – |
| Kharchenko et al. (2013) | 248.947 | -45.625 | – | 0.38 | -3.6 | 3.5 |
| Kharchenko et al. (2016) | 248.936 | -45.625 | – | – | – | – |
| Loktin & Popova (2017) | 248.94 | -45.644 | – | -0.74 | -3.699 | 3.5 |
| Cantat-Gaudin et al. (2018) | 248.939 | -45.635 | 1.099 | 0.521 | -3.342 | – |
| Bica et al. (2019) | 248.942 | -45.647 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 248.939 | -45.635 | 1.099 | 0.521 | -3.342 | – |
| Dias et al. (2021) | 248.933 | -45.646 | 1.091 | 0.436 | -3.316 | – |
| Rain et al. (2021) | 248.939 | -45.635 | 1.099 | 0.521 | -3.342 | – |
| Jaehnig et al. (2021) | 248.927 | -45.621 | 1.15 | 0.488 | -3.327 | – |
| He et al. (2022) | 248.931 | -45.637 | 1.111 | 0.412 | -3.374 | – |
| Just et al. (2023) | 248.936 | -45.625 | – | – | – | – |
| Hunt & Reffert (2023) | 248.929 | -45.651 | 1.095 | 0.511 | -3.27 | -7.493 |
| Cavallo et al. (2024) | 249.082 | -45.453 | 1.098 | – | – | – |
| Celli et al. (2024) | 248.939 | -45.635 | – | – | – | – |
| Hunt & Reffert (2024) | 248.929 | -45.651 | 1.095 | 0.511 | -3.27 | -7.493 |
| Alfonso et al. (2024) | 249.034 | -45.413 | 1.072 | 0.433 | -3.306 | – |
| Almeida et al. (2025) | 248.933 | -45.646 | – | – | – | – |
| UCC | 248.936 | -45.628 | 1.113 | 0.444 | -3.367 | -9.156 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.228, DM0=9.73, log_age_=7.7 |
| Dias et al. (2002) | E(B-V)=0.219, Dist=1014.0, Age=7.248 |
| Chen et al. (2003) | HDis=1014, Age=0.01 |
| Kharchenko et al. (2003) | E(B-V)=0.22, Dist=1014 |
| Kharchenko et al. (2005) | E(B-V)=0.22, Dist=1014, logt=7.51 |
| Piskunov et al. (2008) | E(B-V)=0.22, Dist=1014, logt=7.51, logMA=2.136 |
| Kharchenko et al. (2013) | E(B-V)=0.239, d=1011.0, logt=7.51 |
| Kharchenko et al. (2016) | E(B-V)=0.239, d=1011.0, logt=7.51 |
| Loktin & Popova (2017) | E(B-V)=0.22, Dist=1015, logt=7.242 |
| Cantat-Gaudin et al. (2018) | dmode=886.2 |
| Cantat-Gaudin et al. (2020) | AVNN=0.52, DistPc=913.0, AgeNN=7.22 |
| Dias et al. (2021) | Av=0.838, Dist=844, logage=7.098, [Fe/H]=0.068 |
| Rain et al. (2021) | E(B-V)=0.21, Dist=886.2, log(Age)=7.24, NBSS=0 |
| Jaehnig et al. (2021) | dmode=0.871 |
| He et al. (2022) | A0=0.85, logAge=6.9 |
| Just et al. (2023) | logt=7.51, logmt=1.781 |
| Hunt & Reffert (2023) | AV50=0.786, diffAV50=1.802, MOD50=9.686, logAge50=6.894 |
| Cavallo et al. (2024) | AV50=1.21, dMod50=9.84, logAge50=6.76, [Fe/H]50=-0.1 |
| Celli et al. (2024) | Age=16.6, Mc=176.3 |
| Hunt & Reffert (2024) | MassJ=406.255, MassTot=540.428 |
| Alfonso et al. (2024) | AV=0.52023, MOD=9.79962, logAge=7.23584, Z=0.06832 |
| Almeida et al. (2025) | AV=0.838, Dist=844, logAge=7.098, MassRk=131.2 |
Search coordinates in Bayestar19