Stephenson 2
(RSGC 2; BDB 14; MWSC 2969)
Summary
Stephenson 2 is a sparse, very loose object of low C3 quality. It is located at a large distance from the Sun, near the mid-plane. It is poorly studied in the literature.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 279.921 | -6.028 | – | -0.44 | 0.8 | – |
| Kharchenko et al. (2012) | 279.915 | -6.03 | – | 2.69 | -7.0 | – |
| Bica et al. (2019) | 279.823 | -6.034 | – | – | – | – |
| He et al. (2023) | 279.941 | -6.095 | 0.307 | -0.99 | -1.913 | 217.63 |
| UCC | 279.87 | -6.025 | 0.199 | -2.383 | -4.063 | 44.171 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=1.2, Dist=5900.0, Age=7.3 |
| Kharchenko et al. (2012) | e_bv=3.227, distance=1128, log_age=6.0 |
| He et al. (2023) | A0=5.15, m-M=13.05, logA=6.8 |
Search coordinates in Bayestar19