All names: Gaia DR3 136464000192315392, 2MASS J02545333+3242320, TIC 85402036, Gaia DR2 136464000192315392, UCAC2 43220862, KUV02518+3230, GALEX J025453.3+324232, KUV 02518+3230, Gaia EDR3 136464000192315392, UCAC4 614-008126
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 54 53.34 (0.04) | 02 54 53.34 | 02 54 53.35 (0.04) | ||
| Declination | 32 42 31.75 (0.04) | 32 42 32.43 | 32 42 31.96 (0.04) | ||
| Spectral type | sdO | sdO | |||
| 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] | 2.48 (0.05) | 2.28 (0.09) | 2.48 (0.05) | |
| Distance | [pc] | 403.08 (8) | 439.54 (17) | 403.08 (8) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -5.207 (0.05) | -5.256 (0.1) | -5.207 (0.05) | |
| Proper motion (declination) | [mas/yr] | -12.98 (0.05) | -13.378 (0.1) | -12.98 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.91 (0.07) | ||||
| V magnitude | 15.14 (0.04) | ||||
| R magnitude | 15.45 (0.04) | ||||
| I magnitude | |||||
| J magnitude | 15.73 (0.05) | 15.73 (0.05) | |||
| H magnitude | 15.85 (0.1) | 15.85 (0.1) | |||
| K magnitude | 15.78 (0.2) | 15.78 (0.2) | |||
| u magnitude | 14.53 (0.004) | ||||
| g magnitude | 14.85 (0.003) | 14.92 (0.03) | |||
| r magnitude | 15.26 (0.003) | 15.35 (0.07) | |||
| i magnitude | 15.57 (0.004) | 15.64 (0.1) | |||
| z magnitude | 15.84 (0.006) | ||||
| G magnitude | 15.09 (0.003) | 15.11 (0.002) | 15.09 (0.003) | ||
| BP magnitude | 14.97 (0.005) | 14.93 (0.01) | |||
| RP magnitude | 15.31 (0.006) | 15.31 (0.006) | |||
| Pan g magnitude | 14.94 (0.004) | ||||
| Pan r magnitude | 15.31 (0.001) | ||||
| Pan i magnitude | 15.65 (0.006) | ||||
| Pan z magnitude | 15.90 (0.008) | ||||
| Pan y magnitude | 16.09 (0.01) | ||||
| E(B-V) | 0.097 | ||||
* 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.