All names: WD 0937+395, Gaia DR3 800990411200296320, Gaia DR2 800990411200296320, KUV 09372+3933, USNO-B1.0 1293-00203707, 2MASS J09401867+3919521, GALEX J094018.7+391951, SDSS J094018.68+391952.0, TIC 17190421, Gaia EDR3 800990411200296320
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 09 40 18.69 (0.05) | 09 40 18.69 | 09 40 18.69 (0.05) | 09 40 18.50 | ||
| Declination | 39 19 51.79 (0.04) | 39 19 52.03 | 39 19 51.93 (0.04) | 39 19 52.32 | ||
| Spectral type | sdB | DA | ||||
| 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] | 0.01 (0.07) | 0.01 (0.07) | |||
| Distance | [pc] | 78229.10 (412776) | 78125.00 (411377) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -2.267430439 (0.06) | -2.267 (0.06) | |||
| Proper motion (declination) | [mas/yr] | -8.605470626 (0.05) | -8.605 (0.05) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 16.90 | |||||
| V magnitude | ||||||
| R magnitude | 16.80 | |||||
| I magnitude | ||||||
| J magnitude | 16.77 (0.1) | |||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 18.08 (0.01) | 18.10 (0.01) | ||||
| g magnitude | 16.98 (0.004) | 16.99 (0.004) | ||||
| r magnitude | 17.03 (0.005) | 17.03 (0.005) | ||||
| i magnitude | 17.12 (0.006) | 17.11 (0.005) | ||||
| z magnitude | 17.16 (0.01) | 17.15 (0.01) | ||||
| G magnitude | 16.99 (0.005) | 16.99 (0.003) | ||||
| BP magnitude | 17.10 (0.005) | |||||
| RP magnitude | 16.80 (0.006) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.018 | |||||
* 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.