All names: EQ J0925+0509, Gaia DR2 3852118307646195328, PM J09251+0509, Gaia EDR3 3852118307646195328, WIRED J092511.61+050932.4, Gaia DR3 3852118307646195328, USNO-B1.0 0951-00176994, WD 0922+053, TIC 290653324, 2MASS J09251162+0509326, SDSS J092511.60+050932.4, SDSS J092511.61+050932.4, LSPM J0925+0509
| Parameter | Unit | Gaia EDR3 | Stilism | Romero et al. 2013 | Castanheira et al. 2010 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 09 25 11.47 (0.03) | 09 25 11.47 | 09 25 11.63 (0.03) | ||||
| Declination | 05 09 31.34 (0.03) | 05 09 31.34 | 05 09 32.60 (0.03) | ||||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 10830.0 | 10830.0 | 10762.0 (48) | |||
| log(g) | [cgs] | 8.21 | 8.21 | 8.18 (0.006) | |||
| Mass | [M☉] | 0.711 (0.006) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 24.56 (0.04) | 24.56 | 24.56 (0.04) | |||
| Distance | [pc] | 40.72 (0.06) | 40.72 | 40.72 (0.06) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -153.298 (0.04) | -153.298 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | -78.926 (0.03) | -78.926 (0.03) | ||||
| Variability | VAR | VAR | |||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 15.50 | ||||||
| V magnitude | 15.20 | 15.20 | |||||
| R magnitude | 14.90 | ||||||
| I magnitude | |||||||
| J magnitude | 15.30 (0.005) | ||||||
| H magnitude | 15.26 (0.009) | ||||||
| K magnitude | 15.33 (0.01) | ||||||
| u magnitude | 15.58 (0.004) | ||||||
| g magnitude | 15.19 (0.003) | ||||||
| r magnitude | 15.32 (0.004) | ||||||
| i magnitude | 15.50 (0.004) | ||||||
| z magnitude | 15.72 (0.006) | ||||||
| G magnitude | 15.25 (0.003) | 15.25 | 15.25 (0.003) | ||||
| BP magnitude | 15.28 (0.003) | ||||||
| RP magnitude | 15.21 (0.004) | ||||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.001 | ||||||
| Period #1 | [s] | 1159.0 | 1127.1 | ||||
| Amplitude #1 | [mma] | 2.7 | 3.2 | ||||
| Period #2 | [s] | 1341.0 | 1264.3 | ||||
| Amplitude #2 | [mma] | 4.0 | 3.1 | ||||
* 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.