All names: GALEXJ07418+5524, GALEX J074149.0+552451, Gaia DR3 985850201666717312, GALEX J074148.9+552451, 2MASS J07414917+5524507, TIC 357232133, UCAC4 728-045902, Gaia DR2 985850201666717312
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 41 48.97 | 07 41 49.17 (0.03) | ||
| Declination | 55 24 51.60 | 55 24 50.69 (0.03) | ||
| Spectral type | sdOB | sdB | ||
| Effective temperature | [K] | 33470.0 (430) | ||
| log(g) | [cgs] | 5.76 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.26 (0.08) | 1.24 (0.04) | |
| Distance | [pc] | 796.11 (50) | 809.06 (28) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.308 (0.1) | -4.399 (0.03) | |
| Proper motion (declination) | [mas/yr] | -8.522 (0.07) | -8.481 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.55 (0.01) | |||
| V magnitude | 14.69 (0.02) | |||
| R magnitude | 14.90 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.64 (0.03) | 14.64 (0.03) | ||
| H magnitude | 14.23 (0.05) | 14.23 (0.05) | ||
| K magnitude | 14.22 (0.06) | 14.22 (0.06) | ||
| u magnitude | ||||
| g magnitude | 14.54 (0.03) | |||
| r magnitude | 14.81 (0.02) | |||
| i magnitude | 14.98 (0.06) | |||
| z magnitude | ||||
| G magnitude | 14.59 (0.001) | 14.57 (0.003) | ||
| BP magnitude | 14.44 (0.007) | |||
| RP magnitude | 14.65 (0.004) | |||
| Pan g magnitude | 14.49 (0.003) | |||
| Pan r magnitude | 14.77 (0.001) | |||
| Pan i magnitude | 15.01 (0.004) | |||
| Pan z magnitude | 15.14 (0.002) | |||
| Pan y magnitude | 15.21 (0.004) | |||
| E(B-V) | 0.046 | |||
* 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.