NGC 663
(FoF 2129)
Summary
NGC 663 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 very well-studied in the literature.
This object shares a very small percentage of members with 3 later reported entries.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 26.537 | 61.235 | – | – | – | – |
| Dias et al. (2002) | 26.538 | 61.235 | – | -1.49 | -2.3 | -33.09 |
| Chen et al. (2003) | 26.579 | 61.17 | – | -1.49 | -2.3 | -32.0 |
| Piskunov et al. (2007) | 26.524 | 61.237 | – | – | – | – |
| Piskunov et al. (2008) | 26.524 | 61.237 | – | – | – | – |
| Kharchenko et al. (2012) | 26.55 | 61.225 | – | -0.98 | -1.94 | – |
| Loktin & Popova (2017) | 26.535 | 61.235 | – | -0.737 | -0.62 | -31.6 |
| Cantat-Gaudin et al. (2018) | 26.586 | 61.212 | 0.32 | -1.11 | -0.235 | – |
| Liu & Pang (2019) | 26.367 | 61.117 | 0.456 | -1.067 | -0.308 | – |
| Cantat-Gaudin et al. (2020) | 26.586 | 61.212 | 0.32 | -1.11 | -0.235 | – |
| Dias et al. (2021) | 26.572 | 61.216 | 0.322 | -1.109 | -0.233 | – |
| Rain et al. (2021) | 26.586 | 61.212 | 0.32 | -1.11 | -0.235 | – |
| Jaehnig et al. (2021) | 26.595 | 61.206 | 0.353 | -1.121 | -0.217 | – |
| Hunt & Reffert (2023) | 26.535 | 61.198 | 0.345 | -1.141 | -0.34 | -24.951 |
| Cavallo et al. (2024) | 26.553 | 61.193 | 0.345 | – | – | – |
| Celli et al. (2024) | 26.586 | 61.212 | – | – | – | – |
| Hunt & Reffert (2024) | 26.535 | 61.198 | 0.345 | -1.141 | -0.34 | -24.951 |
| Almeida et al. (2025) | 26.572 | 61.216 | – | – | – | – |
| UCC | 26.592 | 61.211 | 0.34 | -1.134 | -0.316 | -43.866 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.836, DM0=11.3, log_age_=7.2 |
| Dias et al. (2002) | E(B-V)=0.8, Dist=2420.0, Age=7.4 |
| Chen et al. (2003) | HDis=1952, Age=0.01 |
| Piskunov et al. (2007) | E(B-V)=0.78, Dist=1952, logt=7.14, logM=2.965 |
| Piskunov et al. (2008) | E(B-V)=0.78, Dist=1952, logt=7.14, logM=3.746, logMA=3.523 |
| Kharchenko et al. (2012) | e_bv=0.7, distance=2100, log_age=7.5 |
| Loktin & Popova (2017) | E(B-V)=0.775, Dist=1974, logt=7.219 |
| Cantat-Gaudin et al. (2018) | dmode=2865.4 |
| Liu & Pang (2019) | Age=1.1, Z=0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=2.18, DistPc=2950.0, AgeNN=7.47 |
| Dias et al. (2021) | Av=2.268, Dist=2353, logage=7.403, [Fe/H]=-0.125 |
| Rain et al. (2021) | E(B-V)=0.8, Dist=2865.4, log(Age)=7.4, NBSS=0 |
| Jaehnig et al. (2021) | dmode=2.788 |
| Hunt & Reffert (2023) | AV50=2.237, diffAV50=2.04, MOD50=12.125, logAge50=7.439 |
| Cavallo et al. (2024) | AV50=2.29, dMod50=12.44, logAge50=7.59, [Fe/H]50=0.42 |
| Celli et al. (2024) | Age=29.5, Mc=3820.9 |
| Hunt & Reffert (2024) | MassJ=7829.66, MassTot=7829.66 |
| Almeida et al. (2025) | AV=2.268, Dist=2353, logAge=7.403, MassRk=3086.5 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 8405 | 1.0 | 26.32 | 61.78 | 0.37 | -1.14 | -0.36 | – | 0.06 |
| CWNU 3524 | 0.1 | 26.09 | 60.99 | 0.36 | -1.2 | -0.55 | – | 0.26 |
| Teutsch 188 | 0.1 | 25.96 | 60.99 | 0.27 | -1.41 | -0.24 | – | 0.17 |