All names: RE J013853+252331, 2RE J013853+252317, RBS 226, SDSS J013853.01+252322.1, J0138+2523, TIC 353851486, 2MASS J01385301+2523227, EUVE J0138+25.3, RX J0138.8+2523, PG 0136+251, SDSS J013853.02+252322.1, RE J0138+252, Gaia DR3 292454841560140032, 1RXS J013853.1+252325, 2RE J0138+252, Gaia EDR3 292454841560140032, GALEX J013852.9+252323, WDJ013852.98+252322.64, RE J0138+25, 2EUVE J0138+25.3, WD 0136+251, [ZEH2003] RX J0138.8+2523 1, Gaia DR2 292454841560140032, [WXD99] J013852.82+252325.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Jewett et al. 2024 | Hardy et al. 2023a | Kilic et al. 2020 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 38 53.04 (0.05) | 01 38 53.04 (0.1) | 01 38 53.04 | 01 38 52.98 (0.05) | 01 38 53.04 | 01 38 51.77 | |||||||||
| Declination | 25 23 21.82 (0.05) | 25 23 21.85 (0.07) | 25 23 21.82 | 25 23 22.64 (0.05) | 25 23 21.85 | 25 23 24.72 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA1.2 | DAP1.3d | |||||||
| Effective temperature | [K] | 38615.0 (2616) | 38615.0 (2617) | 30000.0 (7e-06) | 38604.0 (2612) | 41430.0 (785) | 39640.0 (711) | 41475.0 (2460) | |||||||
| log(g) | [cgs] | 9.02 (0.03) | 9.02 | 8.83 (0.1) | 9.04 (0.03) | 9.03 (0.07) | 8.99 (0.07) | 9.06 (0.03) | |||||||
| Mass | [M☉] | 1.219 (0.01) | 1.219 (0.01) | 1.1282406152927078 (0.1) | 1.225 (0.01) | 1.22 (0.03) | 1.2 (0.03) | 1.234 (0.01) | |||||||
| log(Luminosity) | [L☉] | -1.12 | |||||||||||||
| Cooling age | [Gyr] | 0.0800 (0.02) | 0.0759 | ||||||||||||
| 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] | 12.33 (0.06) | 12.52 (0.1) | 12.33 | 12.33 (0.06) | 12.52 (0.1) | 12.00 | ||||||||
| Distance | [pc] | 81.11 (0.4) | 79.85 (0.7) | 86.00 | 93.00 | 81.11 | 81.10 (0.4) | 79.85 (0.7) | 83.33 | ||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 52.78722526 (0.06) | 52.87175486 (0.2) | 52.787 (0.06) | 52.87175486 | ||||||||||
| Proper motion (declination) | [mas/yr] | -51.18088454 (0.05) | -51.21647938 (0.1) | -51.181 (0.05) | -51.21647938 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | yes | ||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 15.83 | ||||||||||||||
| V magnitude | 16.12 | ||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.39 (0.1) | ||||||||||||||
| H magnitude | 15.95 (0.2) | ||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 15.26 (0.005) | 15.26 (0.005) | |||||||||||||
| g magnitude | 15.66 (0.004) | 15.66 (0.004) | |||||||||||||
| r magnitude | 16.18 (0.005) | 16.18 (0.005) | |||||||||||||
| i magnitude | 16.54 (0.006) | 16.54 (0.006) | |||||||||||||
| z magnitude | 16.88 (0.01) | 16.88 (0.01) | |||||||||||||
| G magnitude | 15.92 (0.004) | 15.95 | 15.92 | 15.92 (0.003) | 15.95 | ||||||||||
| BP magnitude | 15.76 (0.004) | 15.71 | 15.71 | ||||||||||||
| RP magnitude | 16.24 (0.005) | 16.24 | 16.24 | ||||||||||||
| Pan g magnitude | 15.76 (0.02) | ||||||||||||||
| Pan r magnitude | 16.19 (0.003) | ||||||||||||||
| Pan i magnitude | 16.55 (0.005) | ||||||||||||||
| Pan z magnitude | 16.85 (0.004) | ||||||||||||||
| Pan y magnitude | 17.05 (0.01) | ||||||||||||||
| E(B-V) | 0.007 | ||||||||||||||
* 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.