All names: SDSS J225236.36-002800.5, Gaia EDR3 2650336567885495424, Gaia DR2 2650336567885265024, SDSS J225236.37-002800.52, Gaia DR3 2650336567885495424, GALEX J225236.3-002759, SDSS J225236.37-002800.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 22 52 36.38 (0.4) | 22 52 36.37 | 22 52 36.38 (0.4) | |||
| Declination | -00 28 00.53 (0.4) | -00 28 00.48 | -00 28 00.48 (0.4) | |||
| Spectral type | ELM-DA | DA | ||||
| Effective temperature | [K] | 8556.0 (142) | ||||
| log(g) | [cgs] | 5.71 (0.5) | ||||
| Mass | [M☉] | 0.111 (0.05) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | -1.05 (0.5) | ||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 0.922741018 (0.4) | 0.923 (0.5) | |||
| Proper motion (declination) | [mas/yr] | -2.729837125 (0.4) | -2.73 (0.4) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 19.74 (0.04) | 19.78 (0.04) | 19.75 (0.04) | |||
| g magnitude | 18.55 (0.008) | 18.58 (0.02) | 18.58 (0.008) | |||
| r magnitude | 18.58 (0.009) | 18.62 (0.02) | 18.57 (0.009) | |||
| i magnitude | 18.58 (0.01) | 18.63 (0.02) | 18.59 (0.01) | |||
| z magnitude | 18.64 (0.03) | 18.68 (0.04) | 18.59 (0.03) | |||
| G magnitude | 18.88 (0.02) | 18.88 (0.007) | ||||
| BP magnitude | 18.65 (0.02) | |||||
| RP magnitude | 18.35 (0.02) | |||||
| Pan g magnitude | 18.63 (0.003) | |||||
| Pan r magnitude | 18.59 (0.01) | |||||
| Pan i magnitude | 18.66 (0.006) | |||||
| Pan z magnitude | 18.72 (0.005) | |||||
| Pan y magnitude | 18.69 (0.02) | |||||
| E(B-V) | ||||||
* 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.