ASCC 87
(MWSC 2520)
Summary
ASCC 87 is a moderately populated, very dense object of high C3 quality. It is located at a close distance from the Sun, above the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 255.75 | -28.45 | – | 0.89 | -2.79 | – |
| Kharchenko et al. (2005) | 255.75 | -28.45 | – | 0.89 | -2.79 | – |
| Piskunov et al. (2007) | 255.741 | -28.445 | – | – | – | – |
| Piskunov et al. (2008) | 255.741 | -28.445 | – | – | – | – |
| Kharchenko et al. (2013) | 255.75 | -28.45 | – | 0.06 | -3.2 | – |
| Kharchenko et al. (2016) | 255.741 | -28.45 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 255.658 | -28.421 | 1.27 | -1.18 | -3.814 | – |
| Bica et al. (2019) | 255.75 | -28.45 | – | – | – | – |
| Soubiran et al. (2018) | 255.658 | -28.421 | – | – | – | 5.3 |
| Cantat-Gaudin et al. (2020) | 255.658 | -28.421 | 1.27 | -1.18 | -3.814 | – |
| Dias et al. (2021) | 255.551 | -28.363 | 1.276 | -1.173 | -3.83 | 4.101 |
| Tarricq et al. (2022) | 255.728 | -28.331 | 1.306 | -1.202 | -3.814 | – |
| Just et al. (2023) | 255.741 | -28.45 | – | – | – | – |
| Hunt & Reffert (2023) | 255.698 | -28.458 | 1.298 | -1.214 | -3.77 | -0.22 |
| Cavallo et al. (2024) | 255.635 | -28.427 | 1.298 | – | – | – |
| Hunt & Reffert (2024) | 255.698 | -28.458 | 1.298 | -1.214 | -3.77 | -0.22 |
| Alfonso et al. (2024) | 255.645 | -28.417 | 1.27 | -1.185 | -3.773 | – |
| Almeida et al. (2025) | 255.551 | -28.363 | – | – | – | – |
| UCC | 255.665 | -28.421 | 1.311 | -1.211 | -3.805 | 1.578 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.26, Dist=900.0, Age=8.52 |
| Kharchenko et al. (2005) | E(B-V)=0.26, Dist=900, logt=8.52 |
| Piskunov et al. (2007) | E(B-V)=0.26, Dist=900, logt=8.52, logM=2.968 |
| Piskunov et al. (2008) | E(B-V)=0.26, Dist=900, logt=8.52, logM=3.454, logMA=3.677 |
| Kharchenko et al. (2013) | E(B-V)=0.26, d=838.0, logt=8.55 |
| Kharchenko et al. (2016) | E(B-V)=0.26, d=838.0, logt=8.55 |
| Cantat-Gaudin et al. (2018) | dmode=769.8 |
| Soubiran et al. (2018) | dmode=769.8 |
| Cantat-Gaudin et al. (2020) | AVNN=0.57, DistPc=774.0, AgeNN=7.92 |
| Dias et al. (2021) | Av=0.651, Dist=774, logage=8.684, [Fe/H]=0.141 |
| Tarricq et al. (2022) | Dist=757, logAgeNN=7.98 |
| Just et al. (2023) | logt=8.55, logmt=2.094 |
| Hunt & Reffert (2023) | AV50=0.432, diffAV50=1.028, MOD50=9.34, logAge50=8.635 |
| Cavallo et al. (2024) | AV50=0.98, dMod50=9.36, logAge50=8.33, [Fe/H]50=0.02 |
| Hunt & Reffert (2024) | MassJ=156.235, MassTot=231.018 |
| Alfonso et al. (2024) | AV=0.56947, MOD=9.45027, logAge=8.63128, Z=0.14072 |
| Almeida et al. (2025) | AV=0.651, Dist=774, logAge=8.684, MassRk=149.7 |
Search coordinates in Bayestar19