All names: SDSS J005418.54+005746.1, WISEA J005418.57+005745.7, GALEX J005418.5+005746, Gaia EDR3 2537512965339591936, Gaia DR2 2537512965339591936, TIC 344625739, WIRED J005418.54+005746.1, WD 0051+006, SDSS J005418.54+005746.2, EPIC 220227239, WISE J005418.57+005746.0, LAMOST J005418.54+005746.1, 2MASS J00541856+0057459
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 54 18.58 (0.2) | 00 54 18.54 | 00 54 18.58 (0.3) | 00 54 18.54 | 00 54 18.54 | 00 54 18.54 | 00 54 17.98 | 00 54 18.54 | ||||
| Declination | 00 57 45.85 (0.1) | 00 57 46.16 | 00 57 45.85 (0.2) | 00 57 46.12 | 00 57 46.16 | 00 57 46.23 | 00 57 45.72 | 00 57 46.15 | ||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA | DA+M | ||||||
| Effective temperature | [K] | 19868.0 (569) | 21190.0 (560) | 8372.0 (47) | 17114.0 (273) | |||||||
| log(g) | [cgs] | 7.59 (0.1) | 7.77 (0.09) | 7.88 (0.1) | 5.86 (0.07) | |||||||
| Mass | [M☉] | 0.43 (0.04) | 0.51 (0.04) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0372 | ||||||||||
| 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] | 2.10 (0.2) | 2.13 (0.3) | |||||||||
| Distance | [pc] | 477.22 (46) | 470.56 (74) | 509.00 (37) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.97226707 (0.2) | 12.18385566 (0.7) | 7.0 (3) | 3.6 | |||||||
| Proper motion (declination) | [mas/yr] | -5.94047954 (0.2) | -7.223867074 (0.4) | -9.0 (3) | -10.6 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.50 (0.06) | |||||||||||
| H magnitude | 14.84 (0.06) | |||||||||||
| K magnitude | 14.70 (0.09) | |||||||||||
| u magnitude | 18.62 (0.02) | 18.66 | 18.62 (0.02) | 18.66 (0.03) | 18.65 | 18.64 (0.03) | ||||||
| g magnitude | 18.31 (0.007) | 18.44 | 18.32 (0.007) | 18.43 (0.03) | 18.43 | 18.42 (0.03) | ||||||
| r magnitude | 18.15 (0.007) | 18.41 | 18.16 (0.007) | 18.41 (0.02) | 18.39 (0.02) | |||||||
| i magnitude | 17.36 (0.006) | 17.48 | 17.37 (0.006) | 17.48 (0.03) | 17.45 (0.03) | |||||||
| z magnitude | 16.67 (0.009) | 16.86 | 16.67 (0.009) | 16.86 (0.02) | 16.85 (0.02) | |||||||
| G magnitude | 18.37 (0.03) | 18.39 | ||||||||||
| BP magnitude | 18.42 (0.03) | 18.28 | ||||||||||
| RP magnitude | 16.98 (0.006) | 16.99 | ||||||||||
| Pan g magnitude | 18.43 (0.009) | |||||||||||
| Pan r magnitude | 18.44 (0.02) | |||||||||||
| Pan i magnitude | 17.55 (0.01) | |||||||||||
| Pan z magnitude | 16.96 (0.008) | |||||||||||
| Pan y magnitude | 16.68 (0.006) | |||||||||||
| E(B-V) | 0.025 | |||||||||||
* 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.