CWNU 1240
0.44
UTI
0.3
CN
1.0
Cdens
0.75
CC3
0.06
Clit
1.0
Cdup
Nm (P>50%)
30
Core radius and density
0.8 [pc], 6.3 [pc-2]
- CN 0.3 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.06 Rarely studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
CWNU 1240 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 338.685 | 69.174 | 1.069 | -1.295 | -2.178 | 9.242 |
| Hunt & Reffert | 2024 | 338.701 | 69.176 | 1.067 | -1.305 | -2.152 | 9.238 |
| Cavallo et al. | 2024 | 338.692 | 69.176 | 1.073 | â | â | â |
| Hunt & Reffert | 2023 | 338.701 | 69.176 | 1.067 | -1.305 | -2.152 | 9.238 |
| He et al. | 2022 | 338.689 | 69.181 | 1.077 | -1.299 | -2.191 | 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 | 0.92 | 1.14 | 1.84 | 11 | -0.450 | 53 | â | â |
| Hunt & Reffert | 2024 | 0.92 | 0.93 | 1.84 | 11 | â | 53(1) | â | â |
| Cavallo et al. | 2024 | 1.88 | 1.88 | â | 18 | -0.450 | â | â | â |
| Hunt & Reffert | 2023 | 0.92 | 0.93 | 1.84 | 11 | â | â | â | â |
| He et al. | 2022 | â | 1.35 | â | 3 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Wood sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.02 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.02 (50th percentile).