All names: WD 0439+466, LAMOST J044321.28+464205.6, LBN 158.73+00.83, WISEA J044321.27+464205.4, TYC 3343-1571-1, GSC2 N3323221155, Gaia DR3 254092090595748096, 2MASS J04432127+4642059, SH 2-216, PN G158.6+00.7, PN YM 22, GALEX J044321.4+464204, WISE J044321.28+464205.3, LAMOST J044321.26+464205.8, 1SWASP J044321.26+464205.7, Gaia EDR3 254092090595748096, UCAC2 47509104, LBN 744, GSC 03343-01571, CSI+46-04397, LS V +46 21, UCAC3 274-67525, TIC 391260920, Gaia DR2 254092090595748096, UCAC4 684-030076, PN G158.5+00.7, PK 158+00 1, GALEX J044321.3+464204, ALS 8032, WD 0441+467
| 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.