Hogg 4
(OCL 793; ESO 167 13; FSR 1515; MWSC 1734)
Summary
Hogg 4 is a very rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Kharchenko et al. (2012) | 149.468 | -54.625 | – | -1.9 | 1.5 | – |
| Cantat-Gaudin et al. (2018) | 149.424 | -54.612 | 0.21 | -5.022 | 4.484 | – |
| Bica et al. (2019) | 149.435 | -54.622 | – | – | – | – |
| Soubiran et al. (2018) | 149.424 | -54.612 | – | – | – | 26.57 |
| Cantat-Gaudin et al. (2020) | 149.424 | -54.612 | 0.21 | -5.022 | 4.484 | – |
| Dias et al. (2021) | 149.423 | -54.608 | 0.205 | -5.016 | 4.503 | 26.578 |
| Hunt & Reffert (2023) | 149.427 | -54.632 | 0.243 | -5.035 | 4.472 | 23.941 |
| Cavallo et al. (2024) | 149.404 | -54.61 | 0.241 | – | – | – |
| Hunt & Reffert (2024) | 149.427 | -54.632 | 0.243 | -5.035 | 4.472 | 23.941 |
| Almeida et al. (2025) | 149.423 | -54.608 | – | – | – | – |
| Hu & Soubiran (2025) | 149.404 | -54.61 | – | – | – | – |
| UCC | 149.415 | -54.616 | 0.238 | -5.034 | 4.476 | 26.492 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Kharchenko et al. (2012) | e_bv=0.333, distance=1772, log_age=8.3 |
| Cantat-Gaudin et al. (2018) | dmode=4176.9 |
| Soubiran et al. (2018) | dmode=4176.9 |
| Cantat-Gaudin et al. (2020) | AVNN=1.04, DistPc=4025.0, AgeNN=9.17 |
| Dias et al. (2021) | Av=1.926, Dist=3706, logage=8.992, [Fe/H]=-0.044 |
| Hunt & Reffert (2023) | AV50=1.845, diffAV50=1.701, MOD50=12.854, logAge50=8.915 |
| Cavallo et al. (2024) | AV50=1.82, dMod50=12.39, logAge50=9.09, [Fe/H]50=0.11 |
| Hunt & Reffert (2024) | MassJ=5452.58, MassTot=5452.58 |
| Almeida et al. (2025) | AV=1.926, Dist=3706, logAge=8.992, MassRk=1943.2 |
| Hu & Soubiran (2025) | MA22=-0.15, MA23f=-0.33, MA23g=-0.13, MZ23=-0.26, MK24=-0.25, MF24=-0.21 |
Search coordinates in Bayestar19