All names: GALEX J092748.2+114914, SDSS J092748.23+114914.3, Gaia DR2 592922674754320512, TIC 405646008, SDSS J092748.22+114914.3, LAMOST J092748.23+114914.3, 2MASS J09274822+1149144, Gaia EDR3 592922674754320512, WD 0925+120, Gaia DR3 592922674754320512
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 27 48.21 (0.05) | 09 27 48.22 | 09 27 48.21 (0.09) | 09 27 48.23 (0.05) | 09 27 47.52 | |||
| Declination | 11 49 14.30 (0.04) | 11 49 14.28 | 11 49 14.30 (0.09) | 11 49 14.35 (0.04) | 11 49 12.36 | |||
| Spectral type | DA+? | DA: K | ||||||
| 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] | 1.04 (0.06) | 0.91 (0.1) | 1.04 (0.06) | ||||
| Distance | [pc] | 962.96 (55) | 1094.78 (124) | 962.93 (55) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -14.49342883 (0.06) | -14.67452577 (0.2) | -14.493 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -2.983010471 (0.05) | -2.806303111 (0.1) | -2.983 (0.05) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.20 (0.05) | |||||||
| H magnitude | 14.72 (0.06) | |||||||
| K magnitude | 14.63 (0.1) | |||||||
| u magnitude | 16.53 (0.006) | 16.55 (0.006) | 16.51 | |||||
| g magnitude | 16.49 (0.004) | 16.46 (0.003) | 16.49 | |||||
| r magnitude | 16.31 (0.004) | 16.26 (0.004) | 16.26 | |||||
| i magnitude | 16.18 (0.004) | 16.12 (0.004) | 16.14 | |||||
| z magnitude | 16.08 (0.006) | 16.05 (0.006) | 16.07 | |||||
| G magnitude | 16.24 (0.005) | 16.28 | 16.24 (0.003) | |||||
| BP magnitude | 16.46 (0.005) | 16.46 | ||||||
| RP magnitude | 15.83 (0.004) | 15.85 | ||||||
| Pan g magnitude | 16.54 (0.007) | |||||||
| Pan r magnitude | 16.34 (0.003) | |||||||
| Pan i magnitude | 16.21 (0.003) | |||||||
| Pan z magnitude | 16.14 (0.01) | |||||||
| Pan y magnitude | 16.09 (0.006) | |||||||
| E(B-V) | 0.027 | |||||||
* 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.