IC 2581
Summary
IC 2581 is a rich, very dense object of very high C3 quality. It is located at a moderate 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) | 156.871 | -57.617 | – | – | – | – |
| Dias et al. (2002) | 156.871 | -57.617 | – | -5.61 | 1.75 | -0.52 |
| Chen et al. (2003) | 156.862 | -57.637 | – | -6.32 | 3.67 | -6.0 |
| Piskunov et al. (2008) | 156.859 | -57.63 | – | – | – | – |
| Kharchenko et al. (2012) | 156.9 | -57.64 | – | -5.83 | 4.0 | – |
| Loktin & Popova (2017) | 156.87 | -57.616 | – | -5.61 | 1.75 | -4.6 |
| Cantat-Gaudin et al. (2018) | 156.867 | -57.626 | 0.352 | -7.275 | 3.594 | – |
| Soubiran et al. (2018) | 156.867 | -57.626 | – | – | – | 117.68 |
| Dias et al. (2019) | 156.871 | -57.617 | 0.349 | -7.254 | 3.614 | -4.617 |
| Cantat-Gaudin et al. (2020) | 156.867 | -57.626 | 0.352 | -7.275 | 3.594 | – |
| Dias et al. (2021) | 156.863 | -57.625 | 0.349 | -7.276 | 3.598 | – |
| Rain et al. (2021) | 156.867 | -57.626 | 0.352 | -7.275 | 3.594 | – |
| Jaehnig et al. (2021) | 156.868 | -57.627 | 0.382 | -7.278 | 3.595 | – |
| Hunt & Reffert (2023) | 156.874 | -57.63 | 0.372 | -7.288 | 3.601 | – |
| Cavallo et al. (2024) | 156.852 | -57.624 | 0.372 | – | – | – |
| Celli et al. (2024) | 156.867 | -57.626 | – | – | – | – |
| Hunt & Reffert (2024) | 156.874 | -57.63 | 0.372 | -7.288 | 3.601 | – |
| Almeida et al. (2025) | 156.863 | -57.625 | – | – | – | – |
| UCC | 156.863 | -57.624 | 0.371 | -7.279 | 3.596 | -31.516 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.425, DM0=11.68, log_age_=7.1 |
| Dias et al. (2002) | E(B-V)=0.415, Dist=2446.0, Age=7.142, [Fe/H]=-0.34 |
| Chen et al. (2003) | E(B-V)=0.415, HDis=2446, Age=0.01, [Fe/H]_1=-0.34, [Fe/H]_2=-0.34 |
| Piskunov et al. (2008) | E(B-V)=0.45, Dist=2446, logt=7.22, logMA=3.331 |
| Kharchenko et al. (2012) | e_bv=0.521, distance=2221, log_age=7.32, metallicity=-0.34 |
| Loktin & Popova (2017) | E(B-V)=0.415, Dist=2446, logt=7.142 |
| Cantat-Gaudin et al. (2018) | dmode=2621.2 |
| Soubiran et al. (2018) | dmode=2621.2 |
| Dias et al. (2019) | E(B-V)=0.35, Dist=2272, logAge=7.151, Z=0.007 |
| Cantat-Gaudin et al. (2020) | AVNN=1.17, DistPc=2535.0, AgeNN=7.01 |
| Dias et al. (2021) | Av=1.395, Dist=2449, logage=7.109, [Fe/H]=0.01 |
| Rain et al. (2021) | E(B-V)=0.41, Dist=2621.2, log(Age)=7.14, NBSS=0 |
| Jaehnig et al. (2021) | dmode=2.626 |
| Hunt & Reffert (2023) | AV50=1.383, diffAV50=1.287, MOD50=12.034, logAge50=7.327 |
| Cavallo et al. (2024) | AV50=1.4, dMod50=11.75, logAge50=7.59, [Fe/H]50=-0.11 |
| Celli et al. (2024) | Age=10.2, Mc=541.4 |
| Hunt & Reffert (2024) | MassJ=1088.83, MassTot=1097.05 |
| Almeida et al. (2025) | AV=1.395, Dist=2449, logAge=7.109, MassRk=546.1 |
Search coordinates in Bayestar19