All names: TIC 60709794, Gaia DR3 3471908183194405120, GALEX J123734.6-284057, EC 12349-2824, Gaia DR2 3471908183194405120, GALEXJ12375-2840, 2MASS J12373459-2841009
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 37 34.64 | 12 37 34.60 (0.04) | ||
| Declination | -28 40 57.48 | -28 41 01.02 (0.03) | ||
| Spectral type | He-sdO | sdO8VIIHe40 | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.53 (0.07) | 0.58 (0.05) | |
| Distance | [pc] | 1872.31 (253) | 1726.22 (135) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.604 (0.1) | -4.649 (0.06) | |
| Proper motion (declination) | [mas/yr] | -3.62 (0.1) | -3.703 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.57 | |||
| V magnitude | 14.77 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.39 (0.06) | 15.39 (0.06) | ||
| H magnitude | 15.58 (0.08) | 15.58 (0.08) | ||
| K magnitude | 15.76 (0.3) | 15.76 (0.3) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.77 (0.0008) | 14.75 (0.003) | ||
| BP magnitude | 14.56 (0.009) | |||
| RP magnitude | 15.04 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | 20.48 (0.2) | |||
| Pan z magnitude | 19.46 (0.1) | |||
| Pan y magnitude | ||||
| E(B-V) | 0.048 | |||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.