NGC 884
(MWSC 184)
Summary
NGC 884 is a rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is very well-studied in the literature.
This object shares a very small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 35.596 | 57.125 | – | – | – | – |
| Dias et al. (2002) | 35.596 | 57.126 | – | -2.29 | -0.63 | -42.64 |
| Chen et al. (2003) | 35.647 | 57.103 | – | -1.14 | -1.56 | -40.5 |
| Kharchenko et al. (2003) | 35.5 | 57.14 | – | -1.81 | 1.48 | – |
| Kharchenko et al. (2005) | 35.5 | 57.14 | – | -0.84 | -0.23 | -38.14 |
| Kharchenko et al. (2007) | 35.58 | 57.14 | – | 1.75 | – | -37.66 |
| Piskunov et al. (2008) | 35.492 | 57.134 | – | – | – | – |
| Kharchenko et al. (2012) | 35.512 | 57.145 | – | -4.0 | 1.65 | -43.55 |
| Kharchenko et al. (2013) | 35.512 | 57.145 | – | -4.0 | 1.65 | -43.6 |
| Kharchenko et al. (2016) | 35.501 | 57.142 | – | – | – | – |
| Loktin & Popova (2017) | 35.595 | 57.126 | – | -1.298 | 0.418 | -43.6 |
| Cantat-Gaudin et al. (2018) | 35.584 | 57.149 | 0.398 | -0.628 | -1.066 | – |
| Soubiran et al. (2018) | 35.584 | 57.149 | – | – | – | -43.01 |
| Dias et al. (2019) | 35.596 | 57.126 | 0.395 | -0.607 | -1.049 | -43.525 |
| Cantat-Gaudin et al. (2020) | 35.584 | 57.149 | 0.398 | -0.628 | -1.066 | – |
| Dias et al. (2021) | 35.629 | 57.155 | 0.398 | -0.626 | -1.059 | – |
| Rain et al. (2021) | 35.584 | 57.149 | 0.398 | -0.628 | -1.066 | – |
| Jaehnig et al. (2021) | 35.252 | 57.145 | 0.428 | -0.636 | -1.078 | – |
| Just et al. (2023) | 35.501 | 57.142 | – | – | – | – |
| Hunt & Reffert (2023) | 35.519 | 57.141 | 0.402 | -0.614 | -1.142 | -43.896 |
| Cavallo et al. (2024) | 35.522 | 57.142 | 0.403 | – | – | – |
| Celli et al. (2024) | 35.584 | 57.149 | – | – | – | – |
| Hunt & Reffert (2024) | 35.519 | 57.141 | 0.402 | -0.614 | -1.142 | -43.896 |
| Zhang et al. (2024) | 35.519 | 57.141 | – | – | – | – |
| Almeida et al. (2025) | 35.629 | 57.155 | – | – | – | – |
| UCC | 35.54 | 57.147 | 0.401 | -0.604 | -1.105 | -41.613 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.57, DM0=11.5, log_age_=7.0 |
| Dias et al. (2002) | E(B-V)=0.56, Dist=2940.0, Age=7.1, [Fe/H]=-0.3 |
| Chen et al. (2003) | HDis=2345, Age=0.01 |
| Kharchenko et al. (2003) | E(B-V)=0.56, Dist=2325 |
| Kharchenko et al. (2005) | E(B-V)=0.56, Dist=2345, logt=7.1 |
| Piskunov et al. (2008) | E(B-V)=0.56, Dist=2345, logt=7.1, logMA=6.2 |
| Kharchenko et al. (2012) | E(B-V)=0.56, d=2345.0, logt=7.2, [Fe/H]=-0.3 |
| Kharchenko et al. (2013) | E(B-V)=0.56, d=2345.0, logt=7.2, [Fe/H]=-0.3 |
| Kharchenko et al. (2016) | E(B-V)=0.56, d=2345.0, logt=7.2 |
| Loktin & Popova (2017) | E(B-V)=0.555, Dist=2355, logt=7.045 |
| Cantat-Gaudin et al. (2018) | dmode=2341.8 |
| Soubiran et al. (2018) | dmode=2341.8 |
| Dias et al. (2019) | E(B-V)=0.41, Dist=1989, logAge=7.232, Z=0.004 |
| Cantat-Gaudin et al. (2020) | AVNN=1.72, DistPc=2130.0, AgeNN=7.25 |
| Dias et al. (2021) | Av=1.709, Dist=2150, logage=7.187, [Fe/H]=-0.079 |
| Rain et al. (2021) | E(B-V)=0.56, Dist=2341.8, log(Age)=7.1, NBSS=0 |
| Jaehnig et al. (2021) | dmode=2.28 |
| Just et al. (2023) | logt=7.2, logmt=4.152 |
| Hunt & Reffert (2023) | AV50=1.579, diffAV50=0.818, MOD50=11.888, logAge50=7.257 |
| Cavallo et al. (2024) | AV50=1.61, dMod50=12.04, logAge50=7.19, [Fe/H]50=0.15 |
| Celli et al. (2024) | Age=17.8, Mc=2293.3 |
| Hunt & Reffert (2024) | MassJ=1655.74, MassTot=1655.74 |
| Zhang et al. (2024) | [Fe/H]ANN=-0.1690, [Fe/H]MCMC=-0.1464 |
| Almeida et al. (2025) | AV=1.709, Dist=2150, logAge=7.187, MassRk=2741.2 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0250 | 2.1 | 35.52 | 57.16 | 0.47 | -0.55 | -1.11 | – | 0.04 |