All names: Gaia DR2 983992164455024512, WISE J072853.64+534301.4, TIC 453366788, PSO J112.2235+53.7170, LAMOST J072853.64+534301.1, GALEXJ07288+5343, WISEA J072853.63+534301.3, 2MASS J07285364+5343013, Gaia DR3 983992164455024512, UCAC4 719-046604, GALEX J072853.8+534302
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 28 53.84 | 07 28 53.65 (0.02) | ||
| Declination | 53 43 02.23 | 53 43 01.38 (0.01) | ||
| Spectral type | sdB+MS | sdOB+F3V | ||
| 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] | 0.82 (0.04) | 0.77 (0.02) | |
| Distance | [pc] | 1214.62 (64) | 1302.76 (39) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.706 (0.07) | -5.947 (0.02) | |
| Proper motion (declination) | [mas/yr] | 1.645 (0.05) | 1.661 (0.01) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 14.17 (0.09) | |||
| I magnitude | ||||
| J magnitude | 13.45 (0.03) | 13.45 (0.03) | ||
| H magnitude | 13.26 (0.03) | 13.26 (0.03) | ||
| K magnitude | 13.22 (0.03) | 13.22 (0.03) | ||
| u magnitude | ||||
| g magnitude | 14.00 (0.002) | |||
| r magnitude | 14.02 (0.002) | |||
| i magnitude | 14.09 (0.003) | |||
| z magnitude | 14.16 (0.002) | |||
| G magnitude | 13.94 (0.0005) | 13.92 (0.003) | ||
| BP magnitude | 13.98 (0.005) | |||
| RP magnitude | 13.74 (0.0009) | |||
| Pan g magnitude | 14.00 (0.002) | |||
| Pan r magnitude | 14.02 (0.002) | |||
| Pan i magnitude | 14.09 (0.003) | |||
| Pan z magnitude | 14.16 (0.002) | |||
| Pan y magnitude | 14.18 (0.001) | |||
| E(B-V) | 0.058 | |||
* 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.