ASCC 99
(MWSC 2999; FoF 2281; OCSN 132)
Summary
ASCC 99 is a rich, very dense object of 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 |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 282.271 | -18.73 | – | 6.9 | -2.5 | -31.3 |
| Piskunov et al. (2008) | 282.261 | -18.729 | – | – | – | – |
| Kharchenko et al. (2012) | 282.277 | -18.74 | – | 5.99 | -5.1 | – |
| Cantat-Gaudin et al. (2018) | 282.17 | -18.488 | 3.367 | 5.188 | -1.311 | – |
| Bica et al. (2019) | 282.337 | -18.765 | – | – | – | – |
| Soubiran et al. (2018) | 282.17 | -18.488 | – | – | – | -29.8 |
| Liu & Pang (2019) | 282.024 | -18.28 | 1.054 | -1.099 | -4.082 | – |
| Cantat-Gaudin et al. (2020) | 282.17 | -18.488 | 3.367 | 5.188 | -1.311 | – |
| Dias et al. (2021) | 282.226 | -18.412 | 3.384 | 5.212 | -1.33 | -23.2 |
| Tarricq et al. (2022) | 282.152 | -18.597 | 3.36 | 5.189 | -1.38 | – |
| Qin et al. (2023) | 282.15 | -18.71 | 3.37 | 5.22 | -1.43 | -29.39 |
| Hunt & Reffert (2023) | 282.172 | -18.384 | 3.281 | 5.247 | -1.307 | -29.856 |
| Cavallo et al. (2024) | 282.174 | -18.274 | 3.314 | – | – | – |
| Hunt & Reffert (2024) | 282.172 | -18.384 | 3.281 | 5.247 | -1.307 | -29.856 |
| Alfonso et al. (2024) | 282.269 | -18.439 | 3.326 | 5.23 | -1.421 | – |
| Almeida et al. (2025) | 282.226 | -18.412 | – | – | – | – |
| UCC | 282.167 | -18.403 | 3.354 | 5.22 | -1.427 | -30.54 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.15, Dist=280.0, Age=8.71 |
| Piskunov et al. (2008) | E(B-V)=0.15, Dist=280, logt=8.71, logMA=1.023 |
| Kharchenko et al. (2012) | e_bv=0.125, distance=679, log_age=8.75 |
| Cantat-Gaudin et al. (2018) | dmode=294.4 |
| Soubiran et al. (2018) | dmode=294.4 |
| Liu & Pang (2019) | Age=0.093, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.47, DistPc=285.0, AgeNN=8.55 |
| Dias et al. (2021) | Av=0.762, Dist=294, logage=8.489, [Fe/H]=-0.04 |
| Tarricq et al. (2022) | Dist=282, logAgeNN=8.56 |
| Qin et al. (2023) | E(B-V)=0.28, m-M=8.04, logt=8.0 |
| Hunt & Reffert (2023) | AV50=0.691, diffAV50=1.239, MOD50=7.325, logAge50=7.95 |
| Cavallo et al. (2024) | AV50=1.03, dMod50=7.46, logAge50=7.87, [Fe/H]50=0.27 |
| Hunt & Reffert (2024) | MassJ=156.118, MassTot=243.034 |
| Alfonso et al. (2024) | AV=0.46982, MOD=7.27976, logAge=8.77800, Z=-0.0397 |
| Almeida et al. (2025) | AV=0.762, Dist=294, logAge=8.489, MassRk=76.3 |
Search coordinates in Bayestar19