Melotte 104
(Collinder 245; VDBH116; IC 2714; FSR 1582; MWSC 1930; OCL 855; vdBergh-Hagen 116; ESO 129 18; MWSC 1929; FoF 819)
1.0
UTI
1.0
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
Radius (P>50% members)
8.6 [arcmin]
- CN 1.0 Very rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 1.0 Very well-studied
- Cdup 1.0 Unique
Overview
Melotte 104 is a very rich, very dense object of very high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity and mass parameters (see Parameters). It is very well-studied in the literature.
Relatively close
Moderate extinction
Massive
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | – | 169.377 | -62.714 | 0.739 | -7.588 | 2.679 | -13.471 |
| Nizovkina et al. | 2025 | 169.369 | -62.734 | – | – | – | – |
| Hu & Soubiran | 2025 | 169.391 | -62.715 | – | – | – | – |
| Almeida et al. | 2025 | 169.379 | -62.711 | – | – | – | – |
| Hunt & Reffert | 2024 | 169.369 | -62.734 | 0.741 | -7.595 | 2.692 | -15.401 |
| Cavallo et al. | 2024 | 169.391 | -62.715 | 0.742 | – | – | – |
| Hunt & Reffert | 2023 | 169.369 | -62.734 | 0.741 | -7.595 | 2.692 | -15.401 |
| Cordoni et al. | 2023 | 169.379 | -62.711 | 0.723 | -7.588 | 2.66 | – |
| Just et al. | 2023 | 169.357 | -62.737 | – | – | – | – |
| Tarricq et al. | 2022 | 169.34 | -62.724 | 0.734 | -7.585 | 2.682 | – |
| Jaehnig et al. | 2021 | 169.374 | -62.731 | 0.747 | -7.599 | 2.628 | – |
| Rain et al. | 2021 | 169.373 | -62.719 | 0.719 | -7.597 | 2.639 | – |
| Dias et al. | 2021 | 169.379 | -62.711 | 0.723 | -7.588 | 2.66 | -13.184 |
| Cantat-Gaudin et al. | 2020 | 169.373 | -62.719 | 0.719 | -7.597 | 2.639 | – |
| Liu & Pang | 2019 | 169.365 | -62.719 | 0.721 | -7.58 | 2.649 | – |
| Bossini et al. | 2019 | 169.373 | -62.719 | – | – | – | – |
| Soubiran et al. | 2018 | 169.373 | -62.719 | – | – | – | -12.93 |
| Bica et al. | 2019 | 169.345 | -62.721 | – | – | – | – |
| Cantat-Gaudin et al. | 2018 | 169.373 | -62.719 | 0.719 | -7.597 | 2.639 | – |
| Loktin & Popova | 2017 | 169.365 | -62.732 | – | -6.847 | 5.407 | -14.1 |
| Kharchenko et al. | 2016 | 169.357 | -62.737 | – | – | – | – |
| Kharchenko et al. | 2013 | 169.365 | -62.74 | – | -8.0 | 1.5 | -14.1 |
| Piskunov et al. | 2008 | 169.365 | -62.724 | – | – | – | – |
| Kharchenko et al. | 2007 | 169.36 | -62.73 | – | 0.17 | – | – |
| Froebrich et al. | 2007 | 169.296 | -62.742 | – | – | – | – |
| Kharchenko et al. | 2005 | 169.36 | -62.73 | – | -7.38 | 0.45 | – |
| Kharchenko et al. | 2003 | 169.35 | -62.72 | – | -2.56 | -3.4 | – |
| Chen et al. | 2003 | 169.365 | -62.724 | – | – | – | – |
| Dias et al. | 2002 | 169.363 | -62.733 | – | -3.74 | 0.12 | -14.1 |
💡 Note: The UCC values are estimated from its identified members.
| Reference | Year | Dist [kpc] | Av [mag] | DAv [mag] | Age [Myr] | [Fe/H] [dex] | Mass [Msun] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Nizovkina et al. | 2025 | 1.15* | 1.18* | – | 476* | -0.254* | – | – | – |
| Hu & Soubiran | 2025 | – | – | – | – | -0.190* | – | – | – |
| Almeida et al. | 2025 | 1.23 | 1.22 | – | 476 | – | 2996 | – | – |
| Hunt & Reffert | 2024 | – | – | – | – | – | 3885* | – | – |
| Cavallo et al. | 2024 | 1.27 | 1.07 | – | 646 | 0.220 | – | – | – |
| Hunt & Reffert | 2023 | 1.27 | 0.95 | 0.53 | 433 | – | – | – | – |
| Cordoni et al. | 2023 | 1.23 | 1.22 | – | 476 | 0.040 | 8795 | 0.40 | 0.00 |
| Just et al. | 2023 | – | – | – | 447 | – | 90 | – | – |
| Tarricq et al. | 2022 | 1.32 | – | – | 537 | – | – | – | – |
| Jaehnig et al. | 2021 | 1.34* | – | – | – | – | – | – | – |
| Rain et al. | 2021 | 1.34 | 0.96 | – | 355 | – | – | – | 0 |
| Dias et al. | 2021 | 1.23 | 1.22 | – | 476 | 0.040 | – | – | – |
| Cantat-Gaudin et al. | 2020 | 1.36 | 0.95 | – | 525 | – | – | – | – |
| Liu & Pang | 2019 | – | – | – | 112 | 0.250 | – | – | – |
| Bossini et al. | 2019 | 1.39 | 0.99 | – | 355 | 0.020 | – | – | – |
| Soubiran et al. | 2018 | 1.34 | – | – | – | – | – | – | – |
| Cantat-Gaudin et al. | 2018 | 1.34 | – | – | – | – | – | – | – |
| Loktin & Popova | 2017 | 1.25 | 1.05 | – | 356 | – | – | – | – |
| Kharchenko et al. | 2016 | 1.22 | 1.29 | – | 447 | – | – | – | – |
| Kharchenko et al. | 2013 | 1.22 | 1.29 | – | 447 | 0.010 | – | – | – |
| Piskunov et al. | 2008 | 1.24 | 1.05 | – | 257 | – | – | – | – |
| Kharchenko et al. | 2005 | 1.24 | 1.05 | – | 257 | – | – | – | – |
| Kharchenko et al. | 2003 | 1.24 | 1.05 | – | – | – | – | – | – |
| Chen et al. | 2003 | 1.24 | 1.06 | – | 340 | -0.010* | – | – | – |
| Dias et al. | 2002 | 1.24 | 1.06 | – | 348 | 0.010 | – | – | – |
💡 Note: The parameters are sometimes
transformed from their original values to match the format of the
columns shown here, see FAQ.
The columns DAv, Bfr, BSS correspond to differential
extinction, binary fraction, and blue stragglers, respectively.
BSS values can be listed as fractions or integers.
(*): indicates that this parameter is
assigned more than one value in the corresponding reference.
Almeida et al. (2025): Mass determination: good fit. Isochrone match: good fit. Gold sample.
Cavallo et al. (2024): Gold sample.