Theia 277
- CN 0.34 Poorly populated
- Cdens 0.28 Loose
- CC3 0.5 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
⚠️ Warning: the low UTI value and no obvious signs of duplication (Cdup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | – | 116.282 | -23.719 | 0.6 | -3.172 | 2.801 | 31.835 |
| Hunt & Reffert | 2024 | 116.25 | -23.681 | 0.592 | -3.141 | 2.811 | 31.141 |
| Cavallo et al. | 2024 | 116.284 | -23.711 | 0.598 | – | – | – |
| Hunt & Reffert | 2023 | 116.25 | -23.681 | 0.592 | -3.141 | 2.811 | 31.141 |
💡 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 | – | – | – | – | – | 102* | – | – |
| Cavallo et al. | 2024 | 1.59 | 0.50 | – | 83 | -0.090 | – | – | – |
| Hunt & Reffert | 2023 | 1.58 | 0.17 | 0.40 | 179 | – | – | – | – |
💡 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.
(*): indicates that this parameter is
assigned more than one value in the corresponding reference.


Cavallo et al. (2024): Gold sample.