Tombaugh 4
(OCL 349; FSR 0585; MWSC 199)
Summary
Tombaugh 4 is a rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 37.225 | 61.783 | – | 2.05 | -5.23 | – |
| Kharchenko et al. (2012) | 37.29 | 61.785 | – | 0.91 | -2.72 | – |
| Loktin & Popova (2017) | 37.29 | 61.784 | – | 0.184 | -3.132 | – |
| Cantat-Gaudin et al. (2018) | 37.305 | 61.787 | 0.275 | -1.057 | -0.163 | – |
| Bica et al. (2019) | 37.288 | 61.783 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 37.305 | 61.787 | 0.275 | -1.057 | -0.163 | – |
| Dias et al. (2021) | 37.333 | 61.78 | 0.255 | -1.035 | -0.144 | -74.103 |
| Hunt & Reffert (2023) | 37.294 | 61.79 | 0.3 | -1.066 | -0.224 | -43.66 |
| Cavallo et al. (2024) | 37.317 | 61.791 | 0.297 | – | – | – |
| Hunt & Reffert (2024) | 37.294 | 61.79 | 0.3 | -1.066 | -0.224 | -43.66 |
| Almeida et al. (2025) | 37.333 | 61.78 | – | – | – | – |
| Hu & Soubiran (2025) | 37.317 | 61.791 | – | – | – | – |
| UCC | 37.298 | 61.788 | 0.295 | -1.059 | -0.207 | -42.478 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=1.25, Dist=3850.0, Age=8.7 |
| Kharchenko et al. (2012) | e_bv=1.249, distance=3700, log_age=8.64 |
| Loktin & Popova (2017) | E(B-V)=1.168, Dist=1948, logt=8.62 |
| Cantat-Gaudin et al. (2018) | dmode=3294.9 |
| Cantat-Gaudin et al. (2020) | AVNN=2.69, DistPc=3576.0, AgeNN=9.2 |
| Dias et al. (2021) | Av=3.358, Dist=3011, logage=8.925, [Fe/H]=-0.475 |
| Hunt & Reffert (2023) | AV50=3.536, diffAV50=2.293, MOD50=12.354, logAge50=8.834 |
| Cavallo et al. (2024) | AV50=3.7, dMod50=12.17, logAge50=8.96, [Fe/H]50=-0.11 |
| Hunt & Reffert (2024) | MassJ=2389.57, MassTot=2389.57 |
| Almeida et al. (2025) | AV=3.358, Dist=3011, logAge=8.925, MassRk=1295.9 |
| Hu & Soubiran (2025) | MA22=-0.49, MA23f=-0.31, MA23g=-0.24, MZ23=-0.45, MK24=-0.28, MF24=-0.45 |
Search coordinates in Bayestar19