Haffner 4
(OCL 583; MWSC 1094)
Summary
Haffner 4 is a rich, very dense object of high C3 quality. It is located at a large distance from the Sun, below the mid-plane. It is very well-studied in the literature.
This object shares a small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 106.55 | -14.983 | – | 0.25 | -0.39 | – |
| Kharchenko et al. (2012) | 106.522 | -14.995 | – | 4.42 | -0.1 | – |
| Loktin & Popova (2017) | 106.53 | -14.997 | – | 3.736 | -1.05 | – |
| Cantat-Gaudin et al. (2018) | 106.512 | -15.002 | 0.223 | -0.417 | 0.904 | – |
| Bica et al. (2019) | 106.519 | -14.999 | – | – | – | – |
| Soubiran et al. (2018) | 106.512 | -15.002 | – | – | – | 57.05 |
| Donor et al. (2020) | 106.522 | -14.995 | – | -0.48 | 0.92 | 59.5 |
| Cantat-Gaudin et al. (2020) | 106.512 | -15.002 | 0.223 | -0.417 | 0.904 | – |
| Dias et al. (2021) | 106.51 | -15.0 | 0.24 | -0.39 | 0.918 | – |
| Hunt & Reffert (2023) | 106.515 | -15.005 | 0.201 | -0.407 | 0.96 | 58.414 |
| Cavallo et al. (2024) | 106.506 | -15.002 | 0.2 | – | – | – |
| Hunt & Reffert (2024) | 106.515 | -15.005 | 0.201 | -0.407 | 0.96 | 58.414 |
| Almeida et al. (2025) | 106.51 | -15.0 | – | – | – | – |
| Hu & Soubiran (2025) | 106.506 | -15.002 | – | – | – | – |
| UCC | 106.512 | -15.006 | 0.197 | -0.411 | 0.948 | 57.316 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.5, Dist=4500.0, Age=8.7, [Fe/H]=-0.38 |
| Kharchenko et al. (2012) | e_bv=0.479, distance=4458, log_age=9.115, metallicity=-0.38 |
| Loktin & Popova (2017) | E(B-V)=0.339, Dist=3215, logt=8.91 |
| Cantat-Gaudin et al. (2018) | dmode=3976.4 |
| Soubiran et al. (2018) | dmode=3976.4 |
| Donor et al. (2020) | Fe/H=-0.16 |
| Cantat-Gaudin et al. (2020) | AVNN=1.05, DistPc=5051.0, AgeNN=8.66 |
| Dias et al. (2021) | Av=1.6, Dist=4022, logage=8.625, [Fe/H]=-0.126 |
| Hunt & Reffert (2023) | AV50=1.132, diffAV50=1.447, MOD50=13.085, logAge50=8.707 |
| Cavallo et al. (2024) | AV50=1.47, dMod50=13.04, logAge50=8.75, [Fe/H]50=0.24 |
| Hunt & Reffert (2024) | MassJ=738.740, MassTot=738.740 |
| Almeida et al. (2025) | AV=1.6, Dist=4022, logAge=8.625, MassRk=405.4 |
| Hu & Soubiran (2025) | MA22=-0.36, MA23f=-0.55, MA23g=-0.33, MK24=-0.3, MF24=-0.41 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0389 | 19.6 | 106.52 | -15.0 | 0.19 | -0.41 | 0.97 | 57.32 | 0.0 |