All names: Gaia DR3 254092090595748096, LAMOST J044321.26+464205.8, UCAC3 274-67525, LBN 744, UCAC2 47509104, 1SWASP J044321.26+464205.7, ALS 8032, LAMOST J044321.28+464205.6, 2MASS J04432127+4642059, PN G158.6+00.7, WD 0441+467, Gaia DR2 254092090595748096, SH 2-216, CSI+46-04397, LBN 158.73+00.83, LS V +46 21, GALEX J044321.3+464204, GSC 03343-01571, WD 0439+466, TYC 3343-1571-1, WISE J044321.28+464205.3, PN YM 22, WISEA J044321.27+464205.4, PK 158+00 1, PN G158.5+00.7, GALEX J044321.4+464204, Gaia EDR3 254092090595748096, UCAC4 684-030076, GSC2 N3323221155, TIC 391260920
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Tremblay et al. 2017 | Stilism | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 43 21.30 (0.04) | 04 43 21.30 (0.06) | 04 43 21.26 (0.04) | 04 43 20.40 | |||||
| Declination | 46 42 05.63 (0.03) | 46 42 05.63 (0.05) | 46 42 05.84 (0.03) | 46 42 00.36 | |||||
| Spectral type | DAO+BP | DA | DAO.6 | DAO | |||||
| Effective temperature | [K] | 86980.0 (2390) | 86980.0 (2389) | ||||||
| log(g) | [cgs] | 7.23 (0.08) | 7.23 (0.08) | ||||||
| Mass | [M☉] | 0.54 (0.02) | |||||||
| 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) | |||||||||
| 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] | 7.84 (0.05) | 7.94 (0.07) | 7.76 (0.3) | 7.84 (0.05) | 7.60 (0.5) | |||
| Distance | [pc] | 127.56 (0.8) | 125.94 (1) | 128.87 (5) | 163.00 | 127.56 (0.8) | 131.58 (9) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 21.62179223 (0.05) | 21.73594683 (0.1) | 21.622 (0.05) | |||||
| Proper motion (declination) | [mas/yr] | -13.01505509 (0.04) | -13.07517812 (0.09) | -13.015 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 12.50 (0.2) | ||||||||
| V magnitude | 12.62 (0.03) | 12.87 (0.3) | |||||||
| R magnitude | 13.04 (0.08) | ||||||||
| I magnitude | |||||||||
| J magnitude | 13.41 (0.03) | ||||||||
| H magnitude | 13.52 (0.04) | ||||||||
| K magnitude | 13.66 (0.04) | ||||||||
| u magnitude | |||||||||
| g magnitude | 12.34 | ||||||||
| r magnitude | 12.79 | ||||||||
| i magnitude | 13.21 | ||||||||
| z magnitude | |||||||||
| G magnitude | 12.61 (0.002) | 12.63 | 12.61 (0.003) | ||||||
| BP magnitude | 12.44 (0.002) | 12.38 | |||||||
| RP magnitude | 12.94 (0.0005) | 12.94 | |||||||
| Pan g magnitude | 12.61 | ||||||||
| Pan r magnitude | 13.07 | ||||||||
| Pan i magnitude | 13.40 | ||||||||
| Pan z magnitude | 13.59 (0.003) | ||||||||
| Pan y magnitude | 13.77 (0.003) | ||||||||
| E(B-V) | 0.027 | ||||||||
* 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.