Haffner 9
(OCL 600; FSR 1240; MWSC 1214; FoF 197)
Summary
Haffner 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) | 111.175 | -17.003 | – | 1.36 | 2.09 | – |
| Kharchenko et al. (2012) | 111.175 | -17.0 | – | -2.08 | 5.68 | – |
| Loktin & Popova (2017) | 111.18 | -17.0 | – | -2.319 | 4.716 | – |
| Cantat-Gaudin et al. (2018) | 111.175 | -17.001 | 0.337 | -0.832 | 0.424 | – |
| Bica et al. (2019) | 111.179 | -16.994 | – | – | – | – |
| Bossini et al. (2019) | 111.175 | -17.001 | – | – | – | – |
| Liu & Pang (2019) | 111.173 | -16.993 | 0.344 | -0.836 | 0.483 | – |
| Cantat-Gaudin et al. (2020) | 111.175 | -17.001 | 0.337 | -0.832 | 0.424 | – |
| Dias et al. (2021) | 111.174 | -17.001 | 0.337 | -0.844 | 0.423 | – |
| Hunt & Reffert (2023) | 111.18 | -16.997 | 0.308 | -0.861 | 0.438 | 52.851 |
| Cavallo et al. (2024) | 111.18 | -16.997 | 0.309 | – | – | – |
| Hunt & Reffert (2024) | 111.18 | -16.997 | 0.308 | -0.861 | 0.438 | 52.851 |
| Almeida et al. (2025) | 111.174 | -17.001 | – | – | – | – |
| UCC | 111.177 | -16.995 | 0.312 | -0.86 | 0.446 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.54, Dist=1900.0, Age=8.15 |
| Kharchenko et al. (2012) | e_bv=0.552, distance=1797, log_age=8.15 |
| Loktin & Popova (2017) | E(B-V)=0.498, Dist=3697, logt=8.81 |
| Cantat-Gaudin et al. (2018) | dmode=2736.0 |
| Bossini et al. (2019) | AV=1.611, Dist=12.354, logA=8.648, Fe/H=0.0 |
| Liu & Pang (2019) | Age=0.363, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=1.38, DistPc=2906.0, AgeNN=8.58 |
| Dias et al. (2021) | Av=2.234, Dist=2604, logage=7.981, [Fe/H]=-0.172 |
| Hunt & Reffert (2023) | AV50=2.174, diffAV50=2.01, MOD50=12.332, logAge50=8.311 |
| Cavallo et al. (2024) | AV50=2.31, dMod50=12.14, logAge50=8.46, [Fe/H]50=0.03 |
| Hunt & Reffert (2024) | MassJ=1671.03, MassTot=1671.03 |
| Almeida et al. (2025) | AV=2.234, Dist=2604, logAge=7.981, MassRk=511.1 |
Search coordinates in Bayestar19