NGC7438
(FSR 0380; MWSC 3682)
Summary
NGC7438 is a sparse, very loose object of high C3 quality. It is located at a close distance from the Sun, near the mid-plane. It is moderately studied in the literature.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Froebrich et al. (2007) | 344.146 | 54.251 | – | – | – | – |
| Piskunov et al. (2007) | 344.326 | 54.335 | – | – | – | – |
| Piskunov et al. (2008) | 344.326 | 54.335 | – | – | – | – |
| Kharchenko et al. (2012) | 344.34 | 54.375 | – | 0.01 | -1.55 | – |
| Loktin & Popova (2017) | 344.34 | 54.339 | – | -0.535 | -0.535 | -17.0 |
| Bica et al. (2019) | 344.327 | 54.357 | – | – | – | – |
| Hunt & Reffert (2023) | 344.671 | 54.251 | 1.231 | -2.204 | -4.247 | -37.127 |
| Cavallo et al. (2024) | 345.645 | 54.546 | 1.227 | – | – | – |
| UCC | 344.793 | 54.322 | 1.209 | -2.275 | -4.264 | -34.759 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Piskunov et al. (2007) | E(B-V)=0.4, Dist=600, logt=8.93, logM=1.338 |
| Piskunov et al. (2008) | E(B-V)=0.4, Dist=600, logt=8.93, logM=2.081, logMA=1.986 |
| Kharchenko et al. (2012) | e_bv=0.35, distance=1000, log_age=8.8 |
| Loktin & Popova (2017) | E(B-V)=0.091, Dist=2077, logt=8.8 |
| Hunt & Reffert (2023) | AV50=0.81, diffAV50=0.317, MOD50=9.444, logAge50=8.376 |
| Cavallo et al. (2024) | AV50=0.92, dMod50=9.59, logAge50=8.43, [Fe/H]50=0.46 |
Search coordinates in Bayestar19