ASCC 45
(MWSC 1460)
0.66
UTI
0.76
CN
0.82
Cdens
0.5
CC3
0.6
Clit
1.0
Cdup
Radius (P>50% members)
4.7 [arcmin]
- CN 0.76 Rich
- Cdens 0.82 Dense
- CC3 0.5 Intermediate quality
- Clit 0.6 Moderately studied
- Cdup 1.0 Unique
Overview
ASCC 45 is a rich, dense object of intermediate C3 quality. Its parallax locates it at a moderate* distance, near the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, very young cluster (see Parameters). It is moderately studied in the literature.
(*): The parallax distance estimate (~3.94 kpc) differs significantly from the median photometric distance (~3.00 kpc).
Note: This object shares a moderate percentage of members with 2 later reported entries. See table with shared members information.
Distant
Moderate extinction
Massive
Near-solar metallicity
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 124.091 | -35.66 | 0.254 | -2.856 | 3.234 | â |
| Hunt & Reffert | 2024 | 124.145 | -35.655 | 0.246 | -2.868 | 3.188 | â |
| Cavallo et al. | 2024 | 123.913 | -35.678 | 0.248 | â | â | â |
| Hunt & Reffert | 2023 | 124.145 | -35.655 | 0.246 | -2.868 | 3.188 | â |
| Bica et al. | 2019 | 123.958 | -35.647 | â | â | â | â |
| Dias et al. | 2014 | 123.958 | -35.65 | â | -2.84 | -1.34 | â |
| Gozha et al. | 2012 | 123.958 | -35.65 | â | â | â | â |
| Piskunov et al. | 2008 | 123.958 | -35.647 | â | â | â | â |
| Kharchenko et al. | 2007 | 123.96 | -35.65 | â | 0.2 | â | 43.0 |
| Kharchenko et al. | 2005 | 123.96 | -35.65 | â | -5.68 | 3.19 | 43.0 |
| Dias et al. | 2002 | 123.958 | -35.65 | â | -2.84 | -1.34 | 43.0 |
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] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 205* | â | â |
| Cavallo et al. | 2024 | 3.60 | 1.98 | â | 19 | 0.470 | â | â | â |
| Hunt & Reffert | 2023 | 3.56 | 2.06 | 2.28 | 29 | â | â | â | â |
| Gozha et al. | 2012 | 3.00 | â | â | 13 | â | 8128 | â | â |
| Piskunov et al. | 2008 | 3.00 | 1.86 | â | 13 | â | â | â | â |
| Kharchenko et al. | 2005 | 3.00 | 1.86 | â | 13 | â | â | â | â |
| Dias et al. | 2002 | 3.00 | 1.86 | â | 13 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.