FSR 0385
(MWSC 3653)
0.81
UTI
0.8
CN
1.0
Cdens
0.75
CC3
0.74
Clit
1.0
Cdup
Nm (P>50%)
243
Core radius and density
1.9 [pc], 5.0 [pc-2]
- CN 0.8 Rich
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.74 Moderately studied
- Cdup 1.0 Unique
Overview
FSR 0385 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity and mass parameters (see Parameters). It is moderately studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 340.62 | 58.941 | 0.451 | -5.921 | -3.966 | -54.052 |
| Li et al. | 2025 | 340.628 | 58.941 | 0.436 | -5.939 | -3.974 | â |
| Hu & Soubiran | 2025 | 340.584 | 58.927 | â | â | â | â |
| Almeida et al. | 2025 | 340.621 | 58.941 | â | â | â | â |
| Hunt & Reffert | 2024 | 340.619 | 58.931 | 0.455 | -5.919 | -3.968 | -45.488 |
| Cavallo et al. | 2024 | 340.584 | 58.927 | 0.456 | â | â | â |
| Hunt & Reffert | 2023 | 340.619 | 58.931 | 0.455 | -5.919 | -3.968 | -45.488 |
| Almeida et al. | 2023 | 340.614 | 58.942 | â | â | â | â |
| Just et al. | 2023 | 340.621 | 58.916 | â | â | â | â |
| Jadhav & Subramaniam | 2021 | 340.628 | 58.941 | â | â | â | â |
| Dias et al. | 2021 | 340.621 | 58.941 | 0.437 | -5.937 | -3.995 | -54.144 |
| Cantat-Gaudin et al. | 2020 | 340.628 | 58.941 | 0.436 | -5.939 | -3.974 | â |
| Cantat-Gaudin & Anders | 2020 | 340.628 | 58.941 | 0.436 | -5.939 | -3.974 | â |
| Soubiran et al. | 2018 | 340.628 | 58.941 | â | â | â | -54.46 |
| Bica et al. | 2019 | 340.633 | 58.935 | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 340.628 | 58.941 | 0.436 | -5.939 | -3.974 | â |
| Dias et al. | 2018 | â | â | â | -4.38 | -2.79 | â |
| Sampedro et al. | 2017 | 340.633 | 58.931 | â | 0.42 | -5.16 | â |
| Joshi et al. | 2016 | 340.627 | 58.92 | â | â | â | â |
| Kharchenko et al. | 2016 | 340.621 | 58.916 | â | â | â | â |
| Dias et al. | 2014 | 340.633 | 58.931 | â | 0.25 | -3.92 | â |
| Kharchenko et al. | 2013 | 340.627 | 58.92 | â | -1.1 | 2.26 | â |
| Kharchenko et al. | 2012 | 340.627 | 58.92 | â | -1.1 | 2.26 | â |
| Froebrich et al. | 2007 | 340.633 | 58.931 | â | â | â | â |
| Dias et al. | 2002 | 340.633 | 58.931 | â | 0.25 | -3.92 | â |
đĄ 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 2.06 | 2.64 | 2.18 | 708 | -0.004 | 360 | 0.76 | 0 |
| Li et al. | 2025 | 1.86 | 2.56 | â | 744 | 0.042 | â | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.140(5) | â | â | â |
| Almeida et al. | 2025 | 2.06 | 2.54 | â | 617 | â | 360 | â | â |
| Hunt & Reffert | 2024 | 2.06 | 2.64 | 2.18 | 412 | â | 1333(1) | â | â |
| Cavallo et al. | 2024 | 1.86 | 2.44 | â | 676 | 0.290 | â | â | â |
| Hunt & Reffert | 2023 | 2.06 | 2.64 | 2.18 | 412 | â | â | â | â |
| Almeida et al. | 2023 | 2.00 | 2.60 | â | 615 | -0.028 | 304(1) | 0.76 | â |
| Just et al. | 2023 | â | â | â | 708 | â | 6 | â | â |
| Jadhav & Subramaniam | 2021 | 2.17 | 2.19 | â | 708 | â | 598 | â | 0(1) |
| Dias et al. | 2021 | 2.06 | 2.54 | â | 617 | -0.004 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 2.17 | 2.19 | â | 708 | â | â | â | â |
| Kounkel et al. | 2020 | 2.33 | 2.99 | â | 724 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 2.15 | â | â | â | â | â | â | â |
| Soubiran et al. | 2018 | 2.15 | â | â | â | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 2.15 | â | â | â | â | â | â | â |
| Joshi et al. | 2016 | 1.73 | 3.09 | â | 708 | â | â | â | â |
| Kharchenko et al. | 2016 | 1.73 | 3.09 | â | 708 | â | â | â | â |
| Kharchenko et al. | 2013 | 1.73 | 3.09 | â | 708 | â | â | â | â |
| Kharchenko et al. | 2012 | 1.73 | 3.09 | â | 708 | â | â | â | â |
| Dias et al. | 2002 | 1.73 | 3.09 | â | 708 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Almeida et al. (2025)
Mass determination: intermediate fit. Isochrone match: intermediate fit. Silver sample.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD classes: 0.93 (50th percentile), true positive (human-assigned).
Hunt & Reffert (2023)
Classified as open cluster. CMD classes: 0.93 (50th percentile), true positive (human-assigned).
Hu et al. (2021)
Ellipticities (core, all): e_core=0.2418, e_all=0.0801.