BDSB 90
(MWSC 1053)
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.38 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
BDSB 90 is a sparse, very dense object of low C3 quality. Its parallax locates it at a moderate distance, near the mid-plane. It is catalogued as a very young cluster (see Parameters). It is rarely studied in the literature. Note: This object shares a very small percentage of members with at least one entry reported in the same catalogue. 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 | – | 104.887 | -4.812 | 0.438 | -1.488 | 0.611 | 62.256 |
| Just et al. | 2023 | 104.903 | -4.858 | – | – | – | – |
| Kharchenko et al. | 2016 | 104.903 | -4.858 | – | – | – | – |
| Kharchenko et al. | 2013 | 104.91 | -4.86 | – | 0.85 | -0.34 | 41.0 |
💡 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 |
|---|---|---|---|---|---|---|---|---|---|
| Just et al. | 2023 | – | – | – | 16 | – | 150 | – | – |
| Kharchenko et al. | 2016 | 2.66 | 2.65 | – | 16 | – | – | – | – |
| Kharchenko et al. | 2013 | 2.66 | 2.65 | – | 16 | – | – | – | – |
💡 Note: The parameters are sometimes transformed from their original values to match the format of the columns shown here, see FAQ. The columns DAv, Bfr, BSS correspond to differential extinction, binary fraction, and blue stragglers, respectively. BSS values can be listed as fractions or integers.
