Collinder 161
(VDBH 9; NGC 2451; NGC 2451A; MWSC 1308; OCL 716; vdBergh-Hagen 9; ESO 311 08; Escorial 24; FoF 2437; OCSN 230)
Summary
Collinder 161 is a very 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) | 116.35 | -37.967 | – | – | – | – |
| Dias et al. (2002) | 115.8 | -38.4 | – | -22.93 | 13.39 | 22.7 |
| Kharchenko et al. (2003) | 116.2 | -38.04 | – | -22.93 | 13.39 | – |
| Kharchenko et al. (2005) | 115.32 | -38.53 | – | -21.8 | 15.09 | 21.71 |
| Piskunov et al. (2007) | 115.316 | -38.523 | – | – | – | – |
| Kharchenko et al. (2007) | 115.8 | -38.4 | – | 1.65 | – | 22.63 |
| Piskunov et al. (2008) | 115.316 | -38.523 | – | – | – | – |
| Kharchenko et al. (2013) | 115.335 | -38.52 | – | -21.8 | 15.13 | 22.6 |
| Kharchenko et al. (2016) | 115.33 | -38.518 | – | – | – | – |
| Loktin & Popova (2017) | 115.8 | -38.4 | – | -22.93 | 13.39 | 22.6 |
| Yen et al. (2018) | 115.636 | -38.329 | 5.27 | -21.21 | 15.42 | – |
| Cantat-Gaudin et al. (2018) | 115.736 | -38.264 | 5.165 | -21.116 | 15.328 | – |
| Bica et al. (2019) | 116.311 | -37.953 | – | – | – | – |
| Soubiran et al. (2018) | 115.736 | -38.264 | – | – | – | 23.59 |
| Bossini et al. (2019) | 115.736 | -38.264 | – | – | – | – |
| Liu & Pang (2019) | 115.735 | -38.2 | 5.146 | -20.919 | 15.265 | – |
| Cantat-Gaudin et al. (2020) | 115.736 | -38.264 | 5.165 | -21.116 | 15.328 | – |
| Dias et al. (2021) | 115.752 | -38.278 | 5.15 | -21.058 | 15.332 | 23.266 |
| Rain et al. (2021) | 115.736 | -38.264 | 5.165 | -21.116 | 15.328 | – |
| He et al. (2022) | 115.762 | -38.277 | 5.202 | -20.956 | 15.393 | – |
| Just et al. (2023) | 115.33 | -38.518 | – | – | – | – |
| Qin et al. (2023) | 115.65 | -38.29 | 5.16 | -20.93 | 15.12 | 23.89 |
| Hunt & Reffert (2023) | 115.971 | -38.241 | 5.196 | -20.987 | 15.327 | 25.247 |
| Cavallo et al. (2024) | 115.751 | -38.24 | 5.197 | – | – | – |
| Hunt & Reffert (2024) | 115.971 | -38.241 | 5.196 | -20.987 | 15.327 | 25.247 |
| Alfonso et al. (2024) | 115.781 | -38.151 | 5.145 | -20.891 | 15.211 | – |
| Almeida et al. (2025) | 115.752 | -38.278 | – | – | – | – |
| UCC | 115.775 | -38.26 | 5.198 | -21.001 | 15.361 | 23.453 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.064, DM0=5.9, log_age_=7.7 |
| Dias et al. (2002) | E(B-V)=0.01, Dist=189.0, Age=7.78, [Fe/H]=0.0 |
| Kharchenko et al. (2003) | E(B-V)=0.1, Dist=222 |
| Kharchenko et al. (2005) | E(B-V)=0.0, Dist=188, logt=7.76 |
| Piskunov et al. (2007) | E(B-V)=0.0, Dist=188, logt=7.76, logM=2.411 |
| Piskunov et al. (2008) | E(B-V)=0.0, Dist=188, logt=7.76, logM=2.607, logMA=2.335 |
| Kharchenko et al. (2013) | E(B-V)=0.0, d=188.0, logt=7.76, [Fe/H]=-0.531 |
| Kharchenko et al. (2016) | E(B-V)=0.0, d=188.0, logt=7.76 |
| Loktin & Popova (2017) | E(B-V)=0.049, Dist=210, logt=7.533 |
| Yen et al. (2018) | E(B-V)=0.014, d=196.6, logt=8.17 |
| Cantat-Gaudin et al. (2018) | dmode=192.5 |
| Soubiran et al. (2018) | dmode=192.5 |
| Bossini et al. (2019) | AV=0.0, Dist=6.433, logA=7.647, Fe/H=0.0 |
| Liu & Pang (2019) | Age=0.04, Z=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.0, DistPc=195.0, AgeNN=7.55 |
| Dias et al. (2021) | Av=0.067, Dist=193, logage=7.737, [Fe/H]=0.05 |
| Rain et al. (2021) | E(B-V)=0.0, Dist=192.5, log(Age)=7.64, NBSS=0 |
| He et al. (2022) | A0=0.45, logAge=7.8 |
| Just et al. (2023) | logt=7.76, logmt=1.489 |
| Qin et al. (2023) | E(B-V)=0.01, m-M=6.4, logt=7.75 |
| Hunt & Reffert (2023) | AV50=0.044, diffAV50=0.45, MOD50=6.443, logAge50=7.416 |
| Cavallo et al. (2024) | AV50=0.36, dMod50=6.45, logAge50=7.48, [Fe/H]50=-0.06 |
| Hunt & Reffert (2024) | MassJ=185.109, MassTot=220.810 |
| Alfonso et al. (2024) | AV=0.00085, MOD=6.46, logAge=7.63611, Z=0.05023 |
| Almeida et al. (2025) | AV=0.067, Dist=193, logAge=7.737, MassRk=221.6 |
Search coordinates in Bayestar19