Melotte 102
(Collinder 229; VDBH 103; IC 2602; OCL 838; vdBergh-Hagen 103; ESO 093 02; OCSN 205)
Summary
Melotte 102 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) | 160.742 | -64.4 | – | – | – | – |
| Dias et al. (2002) | 160.742 | -64.4 | – | -17.49 | 10.1 | 18.12 |
| Chen et al. (2003) | 160.746 | -64.394 | – | -17.49 | 10.1 | 22.0 |
| Piskunov et al. (2007) | 160.58 | -64.401 | – | – | – | – |
| Piskunov et al. (2008) | 160.58 | -64.401 | – | – | – | – |
| Kharchenko et al. (2012) | 160.44 | -64.4 | – | -16.95 | 9.65 | – |
| Loktin & Popova (2017) | 160.74 | -64.4 | – | -17.49 | 10.1 | 21.9 |
| Cantat-Gaudin et al. (2018) | 160.613 | -64.426 | 6.561 | -17.582 | 10.7 | – |
| Bica et al. (2019) | 160.788 | -64.381 | – | – | – | – |
| Soubiran et al. (2018) | 160.613 | -64.426 | – | – | – | 17.44 |
| Bossini et al. (2019) | 160.613 | -64.426 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 160.613 | -64.426 | 6.561 | -17.582 | 10.7 | – |
| Dias et al. (2021) | 160.418 | -64.417 | 6.552 | -17.638 | 10.68 | 16.806 |
| Rain et al. (2021) | 160.613 | -64.426 | 6.561 | -17.582 | 10.7 | – |
| Jaehnig et al. (2021) | 160.472 | -64.468 | 6.604 | -17.597 | 10.774 | – |
| He et al. (2022) | 160.786 | -64.455 | 6.611 | -17.763 | 10.62 | – |
| Qin et al. (2023) | 160.77 | -64.37 | 6.59 | -17.76 | 10.61 | 16.96 |
| Hunt & Reffert (2023) | 160.973 | -64.393 | 6.6 | -17.775 | 10.669 | 15.935 |
| Cavallo et al. (2024) | 160.896 | -64.495 | 6.599 | – | – | – |
| Hunt & Reffert (2024) | 160.973 | -64.393 | 6.6 | -17.775 | 10.669 | 15.935 |
| Alfonso et al. (2024) | 160.939 | -64.402 | 6.575 | -17.862 | 10.552 | – |
| Almeida et al. (2025) | 160.418 | -64.417 | – | – | – | – |
| UCC | 160.605 | -64.341 | 6.602 | -17.804 | 10.497 | 16.424 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.038, DM0=5.68, log_age_=7.6 |
| Dias et al. (2002) | E(B-V)=0.024, Dist=161.0, Age=7.507, [Fe/H]=0.0 |
| Chen et al. (2003) | E(B-V)=0.024, HDis=161, Age=0.03, [Fe/H]_1=-0.09 |
| Piskunov et al. (2007) | E(B-V)=0.03, Dist=160, logt=7.83, logM=2.885 |
| Piskunov et al. (2008) | E(B-V)=0.03, Dist=160, logt=7.83, logM=3.005, logMA=2.829 |
| Kharchenko et al. (2012) | e_bv=0.031, distance=151, log_age=8.345, metallicity=-0.099 |
| Loktin & Popova (2017) | E(B-V)=0.024, Dist=160, logt=7.507 |
| Cantat-Gaudin et al. (2018) | dmode=151.8 |
| Soubiran et al. (2018) | dmode=151.8 |
| Bossini et al. (2019) | AV=0.096, Dist=5.914, logA=7.547, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.03, DistPc=149.0, AgeNN=7.56 |
| Dias et al. (2021) | Av=0.295, Dist=152, logage=7.672, [Fe/H]=-0.016 |
| Rain et al. (2021) | E(B-V)=0.02, Dist=151.8, log(Age)=7.5, NBSS=0 |
| Jaehnig et al. (2021) | dmode=0.151 |
| He et al. (2022) | A0=0.05, logAge=7.5 |
| Qin et al. (2023) | E(B-V)=0.06, m-M=6.07, logt=7.45 |
| Hunt & Reffert (2023) | AV50=0.114, diffAV50=0.56, MOD50=5.857, logAge50=7.415 |
| Cavallo et al. (2024) | AV50=0.65, dMod50=5.87, logAge50=7.52, [Fe/H]50=0.08 |
| Hunt & Reffert (2024) | MassJ=237.252, MassTot=344.159 |
| Alfonso et al. (2024) | AV=0.03088, MOD=5.86985, logAge=7.51923, Z=-0.0152 |
| Almeida et al. (2025) | AV=0.295, Dist=152, logAge=7.672, MassRk=192.1 |
Search coordinates in Bayestar19