All names: Gaia DR3 800036103827673216, GALEX J094944.0+375454, 2MASS J09494396+3754545, USNO-B1.0 1279-00225663, Gaia EDR3 800036103827673216, Case A-F 479, UCAC4 640-045051, TIC 17258914, KUV 09467+3809, SDSS J094943.98+375454.0, Gaia DR2 800036103827673216, WD 0946+381
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 49 43.99 (0.06) | 09 49 43.98 | 09 49 43.99 (0.09) | 09 49 43.99 (0.06) | 09 49 44.16 | |||
| Declination | 37 54 53.96 (0.04) | 37 54 53.98 | 37 54 53.97 (0.08) | 37 54 54.01 (0.04) | 37 54 52.92 | |||
| 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] | -0.10 (0.06) | 0.04 (0.1) | 0.04 (0.1) | ||||
| Distance | [pc] | 23090.08 (58102) | 23094.69 (58137) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -0.945312508 (0.06) | -0.764895174 (0.1) | -0.945 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -3.093448862 (0.06) | -3.19584475 (0.1) | -3.093 (0.06) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.50 | |||||||
| V magnitude | ||||||||
| R magnitude | 16.29 | |||||||
| I magnitude | ||||||||
| J magnitude | 16.20 (0.1) | |||||||
| H magnitude | 16.25 (0.2) | |||||||
| K magnitude | ||||||||
| u magnitude | 17.89 (0.01) | 17.84 (0.01) | ||||||
| g magnitude | 16.61 (0.004) | 16.59 (0.004) | ||||||
| r magnitude | 16.68 (0.005) | 16.65 (0.004) | ||||||
| i magnitude | 16.73 (0.006) | 16.72 (0.005) | ||||||
| z magnitude | 16.81 (0.009) | 16.77 (0.009) | ||||||
| G magnitude | 16.60 (0.004) | 16.61 | 16.60 (0.003) | |||||
| BP magnitude | 16.71 (0.004) | 16.70 | ||||||
| RP magnitude | 16.40 (0.006) | 16.41 | ||||||
| Pan g magnitude | 16.63 (0.003) | |||||||
| Pan r magnitude | 16.66 (0.003) | |||||||
| Pan i magnitude | 16.75 (0.003) | |||||||
| Pan z magnitude | 16.82 (0.003) | |||||||
| Pan y magnitude | 16.82 (0.02) | |||||||
| E(B-V) | 0.017 | |||||||
* 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.