All names: LP 937-8, EGM 92, WD 0018-339, GALEX J002112.9-334226, uvby98 610060603, Gaia DR3 2315346161227820032, USNO-B1.0 0562-00003289, CSI-33-00187, Gaia DR2 2315346161227820032, SB 143, WDJ002112.90-334227.41, BPM 46232, TIC 63726058, 2MASS J00211287-3342271, SGPA 15, Gaia EDR3 2315346161227820032, GD 603, BPS CS 30339-0025, LEHPM 495
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 21 13.15 (0.02) | 00 21 13.14 (0.04) | 00 21 13.15 | 00 21 12.90 (0.02) | 00 21 13.14 | 00 21 11.88 | |||||
| Declination | -33 42 27.62 (0.03) | -33 42 27.62 (0.03) | -33 42 27.62 | -33 42 27.40 (0.03) | -33 42 27.62 | -33 42 27.36 | |||||
| Spectral type | DA | DA | DA2.2 | DA3 | |||||||
| Effective temperature | [K] | 22160.0 (301) | 22420.0 (339) | 20626.0 (24) | 21305.0 (229) | ||||||
| log(g) | [cgs] | 8.51 (0.09) | 7.87 (0.04) | 7.84 (0.005) | 7.93 (0.009) | ||||||
| Mass | [M☉] | 0.938 (0.05) | 0.56 (0.02) | 0.589 (0.007) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| 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) | <-8.00 | ||||||||||
| 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] | 15.25 (0.03) | 15.19 (0.04) | 15.25 | 15.25 (0.03) | 15.19 (0.04) | |||||
| Distance | [pc] | 65.56 (0.1) | 65.83 (0.2) | 73.00 | 65.56 | 65.56 (0.1) | 65.83 (0.2) | ||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 199.3585 (0.02) | 199.4890715 (0.08) | 199.358 (0.02) | 199.4890715 | ||||||
| Proper motion (declination) | [mas/yr] | -13.73035859 (0.04) | -13.58406472 (0.07) | -13.73 (0.04) | -13.58406472 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.00 | ||||||||||
| V magnitude | 14.64 (0.05) | 14.70 | 14.70 | ||||||||
| R magnitude | 14.60 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.15 (0.04) | ||||||||||
| H magnitude | 15.22 (0.07) | ||||||||||
| K magnitude | 15.23 (0.1) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 14.66 (0.001) | 14.68 | 14.66 | 14.66 (0.003) | 14.68 | ||||||
| BP magnitude | 14.57 (0.001) | 14.54 | 14.54 | ||||||||
| RP magnitude | 14.85 (0.002) | 14.86 | 14.86 | ||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.001 | ||||||||||
* 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.