Nor OB5
0.25
UTI
0.84
CN
1.0
Cdens
0.75
CC3
0.06
Clit
0.46
Cdup
Stellar density (N50/rad)
44.0 [N/pc2]
- CN 0.84 Rich
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.06 Rarely studied
- Cdup 0.46 Possibly duplicate
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
Nor OB5 is a rich, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as an extremely massive, very young cluster (see Parameters). It is rarely studied in the literature, with no articles listed in the last 18 years.
â ī¸ Warning: This is possibly a duplicate object, which shares a significant percentage of members with at least one previously reported entry. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 242.603 | -49.046 | 0.534 | -2.042 | -2.151 | -23.718 |
| Piskunov et al. | 2008 | 242.629 | -49.041 | â | â | â | â |
| Kharchenko et al. | 2007 | 242.41 | -48.94 | â | 1.0 | â | -23.14 |
| Piskunov et al. | 2007 | 242.629 | -49.041 | â | â | â | â |
| Kharchenko et al. | 2005 | 242.64 | -49.04 | â | -2.27 | -2.26 | -23.14 |
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 | 1.8 | 2.71 | â | 13 | â | 348645 | â | â |
| Piskunov et al. | 2008 | 1.80 | 2.71 | â | 13 | â | 599791(1) | â | â |
| Piskunov et al. | 2007 | 1.80 | 2.71 | â | 13 | â | 97499 | â | â |
| Kharchenko et al. | 2005 | 1.80 | 2.71 | â | 13 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
