All names: Gaia EDR3 3653586296246976128, SDSS J142131.20-004422.56, SDSS J142131.20-004422.5, PG 1418-005, [BGK2006] J142131.21-004423.2, WD 1418-005, SDSS J142131.19-004422.5, TIC 287852484, SDSS J142131.20-004423.1, 2MASS J14213119-0044231, Gaia DR2 3653586296246976128, Gaia DR3 3653586296246976128, FBS 1418-005, SDSS J142131.20-004422.6, WD 1418-005.1, GALEX J142131.2-004422
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 21 31.19 (0.05) | 14 21 31.21 | 14 21 31.21 | 14 21 31.19 (0.07) | 14 21 31.19 | 14 21 31.21 (0.05) | 14 21 20.21 | ||||||||
| Declination | -00 44 22.27 (0.05) | -00 44 23.12 | -00 44 23.12 | -00 44 22.29 (0.08) | -00 44 22.27 | -00 44 23.15 (0.05) | -00 46 22.80 | ||||||||
| Spectral type | DA | DA | DA | DA | DA3.4 | DA5.5 | DA | ||||||||
| Effective temperature | [K] | 13835.0 | 15931.0 (61) | 14980.0 (301) | 14290.0 (289) | 15571.0 (292) | |||||||||
| log(g) | [cgs] | 7.88 | 8.13 (0.01) | 7.95 (0.06) | 7.82 (0.06) | 8.01 (0.02) | |||||||||
| Mass | [M☉] | 0.544 | 0.684 (0.006) | 0.58 (0.03) | 0.51 (0.03) | 0.618 (0.01) | |||||||||
| log(Luminosity) | [L☉] | -2.09 | |||||||||||||
| Cooling age | [Gyr] | 0.2117 | 0.2089 | ||||||||||||
| 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] | 8.73 (0.07) | 8.79 (0.1) | 8.73 | 8.73 (0.07) | ||||||||||
| Distance | [pc] | 114.52 (0.9) | 113.78 (1) | 113.00 | 123.00 | 114.52 | 114.52 (0.9) | ||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -12.12193482 (0.07) | -12.39628575 (0.2) | -12.122 (0.07) | |||||||||||
| Proper motion (declination) | [mas/yr] | 55.140397 (0.07) | 55.32633956 (0.2) | 55.14 (0.07) | |||||||||||
| Variability | NOV | ||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 16.64 | ||||||||||||||
| V magnitude | 16.52 | 16.70 | |||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.82 (0.03) | ||||||||||||||
| H magnitude | 16.94 (0.04) | ||||||||||||||
| K magnitude | 16.95 (0.06) | ||||||||||||||
| u magnitude | 16.74 (0.006) | 16.74 (0.006) | 16.77 (0.04) | 16.74 (0.006) | 18.01 | ||||||||||
| g magnitude | 16.39 (0.004) | 16.39 (0.004) | 16.41 (0.02) | 16.39 (0.004) | 17.59 | ||||||||||
| r magnitude | 16.69 (0.004) | 16.69 (0.004) | 16.71 (0.02) | 16.69 (0.004) | 17.60 | ||||||||||
| i magnitude | 17.23 (0.006) | 17.23 (0.006) | 17.36 (0.1) | 17.23 (0.006) | 17.92 | ||||||||||
| z magnitude | 17.23 (0.01) | 17.23 (0.01) | 17.25 (0.03) | 17.23 (0.01) | 17.83 | ||||||||||
| G magnitude | 16.57 (0.005) | 16.59 | 16.57 | 16.57 (0.003) | |||||||||||
| BP magnitude | 16.55 (0.005) | 16.54 | |||||||||||||
| RP magnitude | 16.66 (0.005) | 16.66 | |||||||||||||
| Pan g magnitude | 16.46 (0.003) | ||||||||||||||
| Pan r magnitude | 16.70 (0.002) | ||||||||||||||
| Pan i magnitude | 16.97 (0.003) | ||||||||||||||
| Pan z magnitude | 17.20 (0.004) | ||||||||||||||
| Pan y magnitude | 17.35 (0.01) | ||||||||||||||
| E(B-V) | 0.015 | ||||||||||||||
* 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.