FSR 1284
Summary
FSR 1284 is a moderately populated, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Froebrich et al. (2007) | 110.004 | -24.526 | – | – | – | – |
| Kharchenko et al. (2012) | 109.995 | -24.53 | – | -2.01 | 6.06 | – |
| Cantat-Gaudin et al. (2018) | 109.992 | -24.535 | 0.392 | -0.983 | 1.357 | – |
| Soubiran et al. (2018) | 109.992 | -24.535 | – | – | – | 42.2 |
| Cantat-Gaudin et al. (2020) | 109.992 | -24.535 | 0.392 | -0.983 | 1.357 | – |
| Dias et al. (2021) | 109.986 | -24.525 | 0.391 | -0.995 | 1.358 | – |
| Hunt & Reffert (2023) | 109.992 | -24.538 | 0.391 | -0.95 | 1.386 | 59.669 |
| Cavallo et al. (2024) | 109.989 | -24.521 | 0.393 | – | – | – |
| Hunt & Reffert (2024) | 109.992 | -24.538 | 0.391 | -0.95 | 1.386 | 59.669 |
| Almeida et al. (2025) | 109.986 | -24.525 | – | – | – | – |
| UCC | 109.992 | -24.535 | 0.392 | -0.958 | 1.381 | 59.665 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Kharchenko et al. (2012) | e_bv=0.208, distance=1935, log_age=9.145 |
| Cantat-Gaudin et al. (2018) | dmode=2376.4 |
| Soubiran et al. (2018) | dmode=2376.4 |
| Cantat-Gaudin et al. (2020) | AVNN=0.84, DistPc=2330.0, AgeNN=8.77 |
| Dias et al. (2021) | Av=1.077, Dist=2253, logage=8.891, [Fe/H]=-0.076 |
| Hunt & Reffert (2023) | AV50=0.52, diffAV50=1.064, MOD50=11.911, logAge50=8.886 |
| Cavallo et al. (2024) | AV50=1.12, dMod50=12.37, logAge50=8.69, [Fe/H]50=0.7 |
| Hunt & Reffert (2024) | MassJ=355.867, MassTot=364.755 |
| Almeida et al. (2025) | AV=1.077, Dist=2253, logAge=8.891, MassRk=201.2 |
Search coordinates in Bayestar19
