King 21
(OCL 270; MWSC 3762)
Summary
King 21 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is well-studied in the literature.
This object shares a small percentage of members with 2 later reported entries.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 357.475 | 62.717 | – | 0.72 | 0.77 | – |
| Kharchenko et al. (2012) | 357.465 | 62.7 | – | -2.33 | -4.11 | – |
| Loktin & Popova (2017) | 357.48 | 62.718 | – | -1.051 | -4.543 | – |
| Cantat-Gaudin et al. (2018) | 357.479 | 62.705 | 0.305 | -3.259 | -1.675 | – |
| Bica et al. (2019) | 357.447 | 62.701 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 357.479 | 62.705 | 0.305 | -3.259 | -1.675 | – |
| Dias et al. (2021) | 357.473 | 62.707 | 0.307 | -3.257 | -1.661 | – |
| Hunt & Reffert (2023) | 357.477 | 62.7 | 0.319 | -3.231 | -1.717 | -78.265 |
| Cavallo et al. (2024) | 357.494 | 62.708 | 0.319 | – | – | – |
| Hunt & Reffert (2024) | 357.477 | 62.7 | 0.319 | -3.231 | -1.717 | -78.265 |
| Almeida et al. (2025) | 357.473 | 62.707 | – | – | – | – |
| UCC | 357.485 | 62.704 | 0.317 | -3.238 | -1.713 | -78.273 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.886, Dist=2103.0, Age=7.163, [Fe/H]=0.06 |
| Kharchenko et al. (2012) | e_bv=0.799, distance=2101, log_age=7.8 |
| Loktin & Popova (2017) | E(B-V)=0.856, Dist=2128, logt=7.213 |
| Cantat-Gaudin et al. (2018) | dmode=2994.5 |
| Cantat-Gaudin et al. (2020) | AVNN=2.03, DistPc=3005.0, AgeNN=7.99 |
| Dias et al. (2021) | Av=2.377, Dist=2591, logage=7.668, [Fe/H]=0.028 |
| Hunt & Reffert (2023) | AV50=2.557, diffAV50=1.579, MOD50=12.308, logAge50=7.72 |
| Cavallo et al. (2024) | AV50=2.62, dMod50=12.7, logAge50=7.75, [Fe/H]50=0.54 |
| Hunt & Reffert (2024) | MassJ=1532.77, MassTot=1532.77 |
| Almeida et al. (2025) | AV=2.377, Dist=2591, logAge=7.668, MassRk=632.4 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0212 | 13.6 | 357.48 | 62.71 | 0.34 | -3.26 | -1.7 | – | 0.0 |
| CWWDL 10426 | 1.1 | 357.55 | 62.97 | 0.32 | -3.04 | -1.36 | -89.18 | 0.11 |