All names: TIC 458423175, WD 1121+508, SDSS J112431.40+503331.7, Gaia DR2 838295294542456448, GALEX J112431.4+503332, SDSS J112431.40+503331.8, SBSS 1121+508, SDSS J112431.41+503331.7, GD 306, Gaia DR3 838295294542456448, WIRED J112431.40+503331.8, WDJ112431.42+503331.63, Gaia EDR3 838295294542456448, SDSS J112431.41+503331.8, 2MASS J11243141+5033315, LB 2007
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 24 31.26 (0.02) | 11 24 31.41 | 11 24 31.27 (0.03) | 11 24 31.26 | 11 24 31.42 (0.02) | 11 24 31.27 | 11 24 31.40 | 11 24 31.82 | 11 24 31.41 | |||||||
| Declination | 50 33 32.34 (0.03) | 50 33 31.78 | 50 33 32.32 (0.07) | 50 33 32.34 | 50 33 31.63 (0.03) | 50 33 32.32 | 50 33 31.82 | 50 33 24.84 | 50 33 31.82 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | |||||||||
| Effective temperature | [K] | 13813.0 | 14866.0 | 14720.0 (100) | 14551.0 (133) | 14165.0 (80) | 14604.0 (72) | |||||||||
| log(g) | [cgs] | 7.90 | 8.01 | 8.02 (0.01) | 7.95 (0.009) | 7.84 (0.01) | 7.95 (0.01) | |||||||||
| Mass | [M☉] | 0.552 | 0.594 | 0.62 (0.01) | 0.583 (0.007) | 0.585 (0.005) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 0.2173 | 0.2071 | 0.2188 | ||||||||||||
| 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] | 15.13 (0.04) | 15.18 (0.09) | 15.13 | 15.13 (0.04) | 15.18 (0.09) | ||||||||||
| Distance | [pc] | 66.08 (0.2) | 65.88 (0.4) | 66.08 | 66.08 (0.2) | 65.88 (0.4) | ||||||||||
| Composition | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -95.69282576 (0.02) | -95.66357981 (0.07) | -95.693 (0.02) | -95.66357981 | -95.5 | ||||||||||
| Proper motion (declination) | [mas/yr] | 44.55517401 (0.03) | 44.39326975 (0.1) | 44.555 (0.03) | 44.39326975 | 44.0 | ||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 15.50 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 15.67 (0.07) | |||||||||||||||
| H magnitude | 15.58 (0.1) | |||||||||||||||
| K magnitude | 15.83 (0.2) | |||||||||||||||
| u magnitude | 15.61 (0.005) | 15.61 (0.005) | 15.61 (0.005) | 15.65 (0.03) | 15.29 | 15.65 (0.03) | ||||||||||
| g magnitude | 15.25 (0.004) | 15.25 (0.004) | 15.25 (0.004) | 15.29 (0.02) | 15.29 | 15.29 (0.02) | ||||||||||
| r magnitude | 15.53 (0.004) | 15.53 (0.004) | 15.53 (0.004) | 15.55 (0.02) | 15.56 (0.02) | |||||||||||
| i magnitude | 15.77 (0.004) | 15.77 (0.004) | 15.77 (0.004) | 15.79 (0.02) | 15.79 (0.02) | |||||||||||
| z magnitude | 16.05 (0.007) | 16.05 (0.007) | 16.05 (0.007) | 16.05 (0.02) | 16.06 (0.02) | |||||||||||
| G magnitude | 15.40 (0.002) | 15.42 | 15.40 | 15.40 (0.003) | 15.42 | |||||||||||
| BP magnitude | 15.37 (0.002) | 15.35 | 15.35 | |||||||||||||
| RP magnitude | 15.49 (0.002) | 15.49 | 15.49 | |||||||||||||
| Pan g magnitude | 15.29 (0.005) | |||||||||||||||
| Pan r magnitude | 15.54 (0.002) | |||||||||||||||
| Pan i magnitude | 15.80 (0.003) | |||||||||||||||
| Pan z magnitude | 16.04 (0.005) | |||||||||||||||
| Pan y magnitude | 16.19 (0.005) | |||||||||||||||
| E(B-V) | 0.003 | |||||||||||||||
* 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.