Collinder 178
(VDBH 22; NGC 2546; MWSC 1447; OCL 726; vdBergh-Hagen 22; ESO 369 07; FoF 2217)
Summary
Collinder 178 is a rich, very dense object of very 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) | 123.062 | -37.595 | – | – | – | – |
| Dias et al. (2002) | 123.062 | -37.595 | – | -3.99 | 3.5 | 15.24 |
| Chen et al. (2003) | 123.089 | -37.635 | – | -2.92 | 4.71 | 15.0 |
| Kharchenko et al. (2003) | 122.98 | -37.61 | – | -4.71 | 4.24 | – |
| Kharchenko et al. (2005) | 122.98 | -37.61 | – | -5.21 | 4.57 | 36.0 |
| Piskunov et al. (2007) | 122.978 | -37.609 | – | – | – | – |
| Kharchenko et al. (2007) | 123.06 | -37.6 | – | 0.61 | – | 36.0 |
| Piskunov et al. (2008) | 122.978 | -37.609 | – | – | – | – |
| Kharchenko et al. (2013) | 122.962 | -37.61 | – | -5.21 | 5.1 | 36.0 |
| Kharchenko et al. (2016) | 122.958 | -37.607 | – | – | – | – |
| Loktin & Popova (2017) | 123.06 | -37.595 | – | -3.99 | 3.5 | 36.0 |
| Cantat-Gaudin et al. (2018) | 123.082 | -37.661 | 1.034 | -3.757 | 3.862 | – |
| Bica et al. (2019) | 123.065 | -37.587 | – | – | – | – |
| Soubiran et al. (2018) | 123.082 | -37.661 | – | – | – | 16.2 |
| Bossini et al. (2019) | 123.082 | -37.661 | – | – | – | – |
| Liu & Pang (2019) | 123.131 | -37.698 | 1.037 | -3.781 | 3.891 | – |
| Cantat-Gaudin et al. (2020) | 123.082 | -37.661 | 1.034 | -3.757 | 3.862 | – |
| Dias et al. (2021) | 123.091 | -37.649 | 1.035 | -3.769 | 3.86 | 15.907 |
| Rain et al. (2021) | 123.082 | -37.661 | 1.034 | -3.757 | 3.862 | – |
| Jaehnig et al. (2021) | 123.122 | -37.669 | 1.062 | -3.754 | 3.902 | – |
| Tarricq et al. (2022) | 123.108 | -37.645 | 1.056 | -3.709 | 3.921 | – |
| He et al. (2022) | 123.119 | -37.644 | 1.07 | -3.717 | 3.954 | – |
| Just et al. (2023) | 122.958 | -37.607 | – | – | – | – |
| Cordoni et al. (2023) | 123.091 | -37.649 | 1.035 | -3.769 | 3.86 | – |
| Hunt & Reffert (2023) | 123.015 | -37.643 | 1.065 | -3.711 | 3.94 | 15.102 |
| Cavallo et al. (2024) | 123.138 | -37.652 | 1.066 | – | – | – |
| Hunt & Reffert (2024) | 123.015 | -37.643 | 1.065 | -3.711 | 3.94 | 15.102 |
| Alfonso et al. (2024) | 123.138 | -37.673 | 1.035 | -3.716 | 3.939 | – |
| Almeida et al. (2025) | 123.091 | -37.649 | – | – | – | – |
| UCC | 123.099 | -37.667 | 1.064 | -3.724 | 3.938 | 14.868 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.146, DM0=8.57, log_age_=8.0 |
| Dias et al. (2002) | E(B-V)=0.134, Dist=919.0, Age=7.874, [Fe/H]=0.12 |
| Chen et al. (2003) | E(B-V)=0.134, HDis=919, Age=0.07, [Fe/H]_1=0.12, [Fe/H]_2=-0.05 |
| Kharchenko et al. (2003) | E(B-V)=0.13, Dist=917 |
| Kharchenko et al. (2005) | E(B-V)=0.13, Dist=919, logt=7.92 |
| Piskunov et al. (2007) | E(B-V)=0.13, Dist=919, logt=7.92, logM=3.218 |
| Piskunov et al. (2008) | E(B-V)=0.13, Dist=919, logt=7.92, logM=3.653, logMA=3.355 |
| Kharchenko et al. (2013) | E(B-V)=0.146, d=935.0, logt=8.135, [Fe/H]=0.12 |
| Kharchenko et al. (2016) | E(B-V)=0.146, d=935.0, logt=8.135 |
| Loktin & Popova (2017) | E(B-V)=0.135, Dist=903, logt=7.874 |
| Cantat-Gaudin et al. (2018) | dmode=940.5 |
| Soubiran et al. (2018) | dmode=940.5 |
| Bossini et al. (2019) | AV=0.464, Dist=9.819, logA=7.962, Fe/H=0.01 |
| Liu & Pang (2019) | Age=0.098, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.43, DistPc=934.0, AgeNN=8.15 |
| Dias et al. (2021) | Av=0.561, Dist=938, logage=8.158, [Fe/H]=0.112 |
| Rain et al. (2021) | E(B-V)=0.14, Dist=940.5, log(Age)=7.96, NBSS=0 |
| Jaehnig et al. (2021) | dmode=0.941 |
| Tarricq et al. (2022) | Dist=913, logAgeNN=8.16 |
| He et al. (2022) | A0=0.6, logAge=8.05 |
| Just et al. (2023) | logt=8.135, logmt=3.503 |
| Cordoni et al. (2023) | Av=0.561, Dist=9.861, logAge=8.158, [Fe/H]=0.112, mass-single=943.205, fbin-tot=0.331, fbss-MS=0.0 |
| Hunt & Reffert (2023) | AV50=0.231, diffAV50=0.674, MOD50=9.74, logAge50=8.218 |
| Cavallo et al. (2024) | AV50=0.45, dMod50=9.82, logAge50=8.21, [Fe/H]50=0.34 |
| Hunt & Reffert (2024) | MassJ=1009.41, MassTot=1129.07 |
| Alfonso et al. (2024) | AV=0.42666, MOD=9.85160, logAge=8.06621, Z=0.11023 |
| Almeida et al. (2025) | AV=0.561, Dist=938, logAge=8.158, MassRk=344.3 |
Search coordinates in Bayestar19