All names: Gaia DR2 3732637570216668544, SDSS J131557.49+100424.8, SDSS J131557.48+100424.8, SDSS J131557.49+100424.7, Gaia DR3 3732637570216668544, Gaia EDR3 3732637570216668544, GALEX J131557.5+100425
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 15 57.49 (0.1) | 13 15 57.49 | 13 15 57.49 (0.2) | 13 15 57.49 (0.1) | 13 15 57.49 | |||||
| Declination | 10 04 24.70 (0.1) | 10 04 24.83 | 10 04 24.71 (0.2) | 10 04 24.85 (0.1) | 10 04 24.79 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 40433.0 (686) | 43448.0 (861) | |||||||
| log(g) | [cgs] | 7.92 (0.08) | 7.77 (0.08) | |||||||
| Mass | [M☉] | 0.63 (0.04) | 0.572 (0.03) | |||||||
| log(Luminosity) | [L☉] | -0.30 (0.06) | ||||||||
| Cooling age | [Gyr] | 0.0036 (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] | 1.28 (0.2) | 1.26 (0.2) | 1.28 (0.2) | ||||||
| Distance | [pc] | 781.64 (107) | 791.59 (144) | 781.62 (107) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -3.398677434 (0.2) | -3.674504509 (0.5) | -3.399 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -8.845285264 (0.2) | -8.594757592 (0.3) | -8.845 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 19.13 (0.08) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 17.77 (0.01) | 17.77 (0.01) | 17.77 (0.03) | |||||||
| g magnitude | 18.10 (0.006) | 18.10 (0.006) | 18.10 (0.01) | |||||||
| r magnitude | 18.61 (0.01) | 18.61 (0.01) | 18.63 (0.02) | |||||||
| i magnitude | 18.93 (0.01) | 18.93 (0.01) | 18.94 (0.03) | |||||||
| z magnitude | 19.34 (0.06) | 19.34 (0.06) | 19.33 (0.07) | |||||||
| G magnitude | 18.37 (0.01) | 18.42 | 18.37 (0.003) | |||||||
| BP magnitude | 18.23 (0.01) | 18.20 | ||||||||
| RP magnitude | 18.68 (0.03) | 18.66 | ||||||||
| Pan g magnitude | 18.17 (0.007) | |||||||||
| Pan r magnitude | 18.63 (0.02) | |||||||||
| Pan i magnitude | 19.01 (0.01) | |||||||||
| Pan z magnitude | 19.28 (0.03) | |||||||||
| Pan y magnitude | 19.46 (0.04) | |||||||||
| E(B-V) | 0.026 | |||||||||
* 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.