All names: SDSS J151445.19+013635.24, Gaia DR3 4419983829663610624, SDSS J151445.18+013635.2, GALEX J151445.1+013635, SDSS J151445.19+013635.2, Gaia EDR3 4419983829663610624, Gaia DR2 4419983829663610624
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Bedard et al. 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 14 45.20 (0.3) | 15 14 45.19 | 15 14 45.20 (0.4) | 15 14 45.19 (0.3) | |||||
| Declination | 01 36 35.15 (0.3) | 01 36 35.27 | 01 36 35.16 (0.3) | 01 36 35.27 (0.3) | |||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 31742.0 (482) | 33255.0 (339) | ||||||
| log(g) | [cgs] | 7.22 (0.1) | 7.40 (0.07) | ||||||
| Mass | [M☉] | 0.35 (0.03) | 0.465 (0.01) | ||||||
| log(Luminosity) | [L☉] | -0.28 (0.07) | |||||||
| Cooling age | [Gyr] | 0.0003 (0.0002) | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(C/H) | |||||||||
| log(N/H) | |||||||||
| log(O/H) | |||||||||
| log(Na/H) | |||||||||
| log(Mg/H) | |||||||||
| log(Al/H) | |||||||||
| log(Si/H) | |||||||||
| log(P/H) | |||||||||
| log(S/H) | |||||||||
| log(Sc/H) | |||||||||
| log(Ti/H) | |||||||||
| log(Cr/H) | |||||||||
| log(Mn/H) | |||||||||
| log(Fe/H) | |||||||||
| log(Ni/H) | |||||||||
| Parallax | [mas] | 0.65 (0.3) | 0.66 (0.4) | 0.65 (0.3) | |||||
| Distance | [pc] | 1532.41 (796) | 1517.97 (872) | 1532.33 (796) | |||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 6.403090906 (0.4) | 7.598146983 (0.8) | 6.403 (0.4) | |||||
| Proper motion (declination) | [mas/yr] | -7.516524168 (0.4) | -7.123926771 (0.7) | -7.517 (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 | 19.03 (0.02) | 19.04 (0.02) | 19.03 (0.02) | ||||||
| g magnitude | 19.20 (0.01) | 19.23 (0.02) | 19.20 (0.01) | ||||||
| r magnitude | 19.50 (0.02) | 19.53 (0.02) | 19.50 (0.01) | ||||||
| i magnitude | 19.65 (0.02) | 19.67 (0.02) | 19.65 (0.02) | ||||||
| z magnitude | 19.69 (0.09) | 19.72 (0.09) | 19.69 (0.09) | ||||||
| G magnitude | 19.40 (0.05) | 19.46 | 19.40 (0.007) | ||||||
| BP magnitude | 19.40 (0.05) | 19.34 | |||||||
| RP magnitude | 19.49 (0.06) | 19.39 | |||||||
| Pan g magnitude | 19.24 (0.01) | ||||||||
| Pan r magnitude | 19.47 (0.02) | ||||||||
| Pan i magnitude | 19.89 (0.02) | ||||||||
| Pan z magnitude | 19.94 (0.04) | ||||||||
| Pan y magnitude | 19.89 (0.06) | ||||||||
| E(B-V) | 0.041 | ||||||||
* 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.