ASCC 9
(MWSC 228)
Summary
ASCC 9 is a rich, very dense object of 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 |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 41.729 | 57.73 | – | -0.93 | -0.33 | -40.73 |
| Kharchenko et al. (2005) | 41.73 | 57.73 | – | 0.76 | -3.03 | -41.75 |
| Kharchenko et al. (2007) | 41.73 | 57.73 | – | 0.17 | – | -41.75 |
| Piskunov et al. (2008) | 41.71 | 57.726 | – | – | – | – |
| Kharchenko et al. (2012) | 41.745 | 57.745 | – | -0.41 | -2.54 | -41.75 |
| Kharchenko et al. (2013) | 41.745 | 57.745 | – | -0.32 | -2.5 | -41.8 |
| Kharchenko et al. (2016) | 41.733 | 57.743 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 41.671 | 57.743 | 0.406 | 0.166 | -1.099 | – |
| Dias et al. (2019) | 41.729 | 57.73 | 0.391 | 0.156 | -1.086 | -72.118 |
| Cantat-Gaudin et al. (2020) | 41.671 | 57.743 | 0.406 | 0.166 | -1.099 | – |
| Dias et al. (2021) | 41.679 | 57.763 | 0.409 | 0.16 | -1.105 | – |
| Just et al. (2023) | 41.733 | 57.743 | – | – | – | – |
| Hunt & Reffert (2023) | 41.624 | 57.777 | 0.402 | 0.169 | -1.139 | -23.791 |
| Cavallo et al. (2024) | 41.691 | 57.735 | 0.402 | – | – | – |
| Celli et al. (2024) | 41.671 | 57.743 | – | – | – | – |
| Hunt & Reffert (2024) | 41.624 | 57.777 | 0.402 | 0.169 | -1.139 | -23.791 |
| Almeida et al. (2025) | 41.679 | 57.763 | – | – | – | – |
| UCC | 41.704 | 57.735 | 0.401 | 0.162 | -1.125 | -48.277 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.9, Dist=2900.0, Age=6.79 |
| Kharchenko et al. (2005) | E(B-V)=0.9, Dist=2900, logt=6.79 |
| Piskunov et al. (2008) | E(B-V)=0.9, Dist=2900, logt=6.79, logMA=3.469 |
| Kharchenko et al. (2012) | E(B-V)=0.899, d=2901.0, logt=7.0 |
| Kharchenko et al. (2013) | E(B-V)=0.899, d=2901.0, logt=7.0 |
| Kharchenko et al. (2016) | E(B-V)=0.899, d=2901.0, logt=7.0 |
| Cantat-Gaudin et al. (2018) | dmode=2297.4 |
| Dias et al. (2019) | E(B-V)=0.81, Dist=2047, logAge=7.268, Z=0.002 |
| Cantat-Gaudin et al. (2020) | AVNN=2.23, DistPc=2376.0, AgeNN=7.47 |
| Dias et al. (2021) | Av=2.571, Dist=2322, logage=6.945, [Fe/H]=-0.159 |
| Just et al. (2023) | logt=7.0, logmt=2.943 |
| Hunt & Reffert (2023) | AV50=2.5, diffAV50=1.078, MOD50=11.842, logAge50=7.466 |
| Cavallo et al. (2024) | AV50=2.54, dMod50=12.27, logAge50=7.37, [Fe/H]50=0.63 |
| Celli et al. (2024) | Age=29.5, Mc=594.8 |
| Hunt & Reffert (2024) | MassJ=1143.12, MassTot=1143.12 |
| Almeida et al. (2025) | AV=2.571, Dist=2322, logAge=6.945, MassRk=644.6 |
Search coordinates in Bayestar19