CWNU 1577
0.33
UTI
0.3
CN
0.35
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
10.4 [arcmin]
- CN 0.3 Poorly populated
- Cdens 0.35 Loose
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1577 is a poorly populated, loose object of intermediate C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by high extinction. It is catalogued as a metal-rich, very young cluster (see Parameters). It was recently reported in the literature.
Relatively close
High extinction
Metal-rich
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 282.674 | 4.248 | 0.734 | 0.501 | -4.48 | 72.902 |
| Hunt & Reffert | 2024 | 282.627 | 4.242 | 0.706 | 0.448 | -4.543 | 72.874 |
| Cavallo et al. | 2024 | 282.634 | 4.275 | 0.715 | â | â | â |
| Hunt & Reffert | 2023 | 282.627 | 4.242 | 0.706 | 0.448 | -4.543 | 72.874 |
| He et al. | 2023 | 282.688 | 4.339 | 0.741 | 0.501 | -4.464 | 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] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 710* | â | â |
| Cavallo et al. | 2024 | 2.21 | 4.69 | â | 6 | 0.830 | â | â | â |
| Hunt & Reffert | 2023 | 1.32 | 6.57 | 2.07 | 7 | â | â | â | â |
| He et al. | 2023 | 1.23 | 4.75 | â | 3 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Bronze sample.