All names: SDSS J014319.93+004005.7, LEDA 6336, SDSS J014319.91+004005.8, WD 0140+004, Gaia DR2 2510245691151030144, SDSS J014319.90+004005.7, Gaia DR3 2510245691151030144, UM 362, USNO-B1.0 0906-00017877, PHL 3659, Gaia EDR3 2510245691151030144, SDSS J014319.92+004005.7, SDSS J014319.92+004005.8, GALEX J014319.8+004006
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 43 19.93 (0.2) | 01 43 19.93 | 01 43 19.93 (0.3) | 01 43 19.92 (0.2) | 01 43 19.92 | 01 43 20.02 | 01 43 19.91 | |||||
| Declination | 00 40 05.78 (0.2) | 00 40 05.77 | 00 40 05.78 (0.2) | 00 40 05.77 (0.2) | 00 40 05.80 | 00 40 04.44 | 00 40 05.79 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 26150.0 (690) | 25741.0 (500) | 25429.0 (577) | ||||||||
| log(g) | [cgs] | 7.89 (0.1) | 7.89 (0.08) | 7.85 (0.08) | ||||||||
| Mass | [M☉] | 0.58 (0.05) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0166 | ||||||||||
| 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] | 1.72 (0.3) | 1.91 (0.3) | 1.72 (0.3) | ||||||||
| Distance | [pc] | 581.35 (89) | 523.40 (91) | 581.36 (89) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 12.86106031 (0.3) | 12.66497209 (0.5) | 12.861 (0.3) | 3.0 | |||||||
| Proper motion (declination) | [mas/yr] | 0.715122213 (0.2) | 1.317517661 (0.4) | 0.715 (0.2) | 3.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.40 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 19.10 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.68 (0.02) | 18.68 (0.02) | 18.71 (0.02) | 18.70 | 18.71 (0.02) | |||||||
| g magnitude | 18.82 (0.009) | 18.82 (0.009) | 18.80 (0.04) | 18.80 | 18.80 (0.04) | |||||||
| r magnitude | 19.21 (0.01) | 19.21 (0.01) | 19.23 (0.02) | 19.22 | 19.21 (0.02) | |||||||
| i magnitude | 19.49 (0.02) | 19.49 (0.02) | 19.47 (0.03) | 19.47 | 19.46 (0.02) | |||||||
| z magnitude | 19.80 (0.07) | 19.80 (0.07) | 19.86 (0.07) | 19.85 | 19.83 (0.07) | |||||||
| G magnitude | 19.00 (0.02) | 19.05 | 19.00 (0.003) | |||||||||
| BP magnitude | 18.93 (0.02) | 18.90 | ||||||||||
| RP magnitude | 19.18 (0.04) | 19.12 | ||||||||||
| Pan g magnitude | 18.82 (0.004) | |||||||||||
| Pan r magnitude | 19.20 (0.01) | |||||||||||
| Pan i magnitude | 19.52 (0.01) | |||||||||||
| Pan z magnitude | 19.79 (0.02) | |||||||||||
| Pan y magnitude | 19.86 (0.07) | |||||||||||
| E(B-V) | 0.028 | |||||||||||
* 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.