ASCC 39
(MWSC 1261)
0.22
UTI
0.0
CN
0.07
Cdens
0.12
CC3
0.45
Clit
1.0
Cdup
Stellar density (N50/rad)
0.3 [N/pc2]
- CN 0.0 Sparse
- Cdens 0.07 Very loose
- CC3 0.12 Very low quality
- Clit 0.45 Poorly studied
- Cdup 1.0 Unique
Overview
ASCC 39 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a moderate* distance, below the mid-plane, affected by low extinction. It is catalogued as an intermediate-age cluster (see Parameters). It is poorly studied in the literature.
(*): The parallax distance estimate (~3.45 kpc) differs significantly from the median photometric distance (~1.50 kpc).
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 113.227 | -22.961 | 0.29 | -2.427 | 3.178 | 70.709 |
| Just et al. | 2023 | 113.311 | -22.948 | â | â | â | â |
| Bica et al. | 2019 | 113.247 | -22.948 | â | â | â | â |
| Kharchenko et al. | 2016 | 113.311 | -22.948 | â | â | â | â |
| Dias et al. | 2014 | 113.25 | -22.95 | â | -2.22 | 0.75 | â |
| Kharchenko et al. | 2013 | 113.317 | -22.95 | â | -4.01 | 0.32 | â |
| Piskunov et al. | 2008 | 113.247 | -22.948 | â | â | â | â |
| Kharchenko et al. | 2005 | 113.25 | -22.95 | â | -3.37 | 1.85 | â |
| Dias et al. | 2002 | 113.25 | -22.95 | â | -2.22 | 0.75 | 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 | 1.5 | 0.0 | â | 513 | â | 415 | â | â |
| Just et al. | 2023 | â | â | â | 513 | â | 415 | â | â |
| Kharchenko et al. | 2016 | 1.61 | 0.64 | â | 513 | â | â | â | â |
| Kharchenko et al. | 2013 | 1.61 | 0.64 | â | 513 | â | â | â | â |
| Piskunov et al. | 2008 | 1.50 | 0.00 | â | 513 | â | â | â | â |
| Kharchenko et al. | 2005 | 1.50 | 0.00 | â | 513 | â | â | â | â |
| Dias et al. | 2002 | 1.50 | 0.00 | â | 513 | â | â | â | â |
MOCA
