All names: SDSS J011447.51+254229.6, SDSS J011447.52+254229.6, WD 0112+254, Gaia EDR3 294775459634581248, GALEX J011447.5+254229, Gaia DR3 294775459634581248, LAMOST J011447.51+254229.6, SDSS J011447.52+254229.8, Gaia DR2 294775459634581248, SDSS J011447.51+254229.7, 2MASS J01144753+2542298, TIC 80514758, SDSS J011447.52+254229.7, [HHD2009] SDSS J0114+2542, WIRED J011447.51+254229.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 14 47.52 (0.08) | 01 14 47.52 | 01 14 47.52 (0.1) | 01 14 47.52 | 01 14 47.52 (0.08) | 01 14 46.82 | 01 14 47.52 | ||||||
| Declination | 25 42 29.62 (0.07) | 25 42 29.78 | 25 42 29.63 (0.2) | 25 42 29.62 | 25 42 29.78 (0.07) | 25 42 27.00 | 25 42 29.64 | ||||||
| Spectral type | DA+M | DA+M | DB | DA+M | DA dM | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 35505.0 (215) | 37306.0 (304) | ||||||||||
| log(g) | [cgs] | 7.76 (0.04) | 7.67 (0.03) | ||||||||||
| Mass | [M☉] | 0.54 (0.02) | |||||||||||
| log(Luminosity) | [L☉] | -0.43 (0.03) | |||||||||||
| Cooling age | [Gyr] | 0.0051 (0.0001) | |||||||||||
| 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] | 2.94 (0.1) | 2.91 (0.2) | 2.94 | 2.94 (0.1) | ||||||||
| Distance | [pc] | 339.75 (12) | 344.08 (22) | 339.75 | 339.75 (12) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.223141066 (0.1) | -3.578273782 (0.3) | -3.223 (0.1) | |||||||||
| Proper motion (declination) | [mas/yr] | -9.874581245 (0.08) | -9.806571363 (0.3) | -9.875 (0.08) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | |||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.48 (0.05) | ||||||||||||
| H magnitude | 14.99 (0.07) | ||||||||||||
| K magnitude | 14.70 (0.07) | ||||||||||||
| u magnitude | 16.97 (0.008) | 17.00 (0.008) | 17.31 | 16.96 (0.01) | |||||||||
| g magnitude | 17.18 (0.004) | 17.18 (0.004) | 17.49 | 17.19 (0.01) | |||||||||
| r magnitude | 17.48 (0.005) | 17.48 (0.005) | 17.83 | 17.49 (0.01) | |||||||||
| i magnitude | 17.31 (0.006) | 17.32 (0.006) | 17.69 | 17.31 (0.02) | |||||||||
| z magnitude | 16.86 (0.01) | 16.86 (0.01) | 17.23 | 16.86 (0.02) | |||||||||
| G magnitude | 17.19 (0.009) | 17.21 | 17.19 | 17.19 (0.003) | |||||||||
| BP magnitude | 17.26 (0.009) | 17.22 | |||||||||||
| RP magnitude | 16.88 (0.006) | 16.86 | |||||||||||
| Pan g magnitude | 17.22 (0.003) | ||||||||||||
| Pan r magnitude | 17.51 (0.007) | ||||||||||||
| Pan i magnitude | 17.33 (0.004) | ||||||||||||
| Pan z magnitude | 16.97 (0.004) | ||||||||||||
| Pan y magnitude | 16.69 (0.007) | ||||||||||||
| E(B-V) | 0.042 | ||||||||||||
* 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.