All names: EQ J0443-037, Gaia DR2 3201709827802584576, WD 0443-037, RX J0443.1-0346, EUVE J0443-03.7, 2EUVE J0443-03.7, Gaia EDR3 3201709827802584576, 2RE J044306-034714, RE J0443-034, Gaia DR3 3201709827802584576, WD 0440-038, RBS 575, 1RXS J044307.1-034655, 2RE J0443-034, USNO-B1.0 0862-00045731, RE J044307-034722
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 43 07.18 (0.06) | 04 43 07.18 (0.08) | 04 43 07.18 | 04 43 07.16 (0.06) | 04 43 06.53 | ||||||
| Declination | -03 46 50.05 (0.04) | -03 46 50.04 (0.06) | -03 46 50.05 | -03 46 49.79 (0.04) | -03 47 18.96 | ||||||
| Spectral type | DA | DA | DA | DA.8 | DA | ||||||
| Effective temperature | [K] | 60080.0 (1965) | 68468.0 (618) | 69700.0 | 72857.0 (9821) | ||||||
| log(g) | [cgs] | 9.38 (0.1) | 8.42 (0.03) | 8.30 | 8.88 (0.06) | ||||||
| Mass | [M☉] | 1.32 (0.06) | 1.179 (0.08) | ||||||||
| 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] | 5.72 (0.07) | 5.84 (0.09) | 5.72 | 5.72 (0.07) | ||||||
| Distance | [pc] | 174.91 (2) | 171.23 (3) | 106.00 | 174.91 | 174.91 (2) | |||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 12.85481883 (0.09) | 12.58721228 (0.2) | 12.855 (0.09) | |||||||
| Proper motion (declination) | [mas/yr] | -16.2392701 (0.07) | -15.77761557 (0.2) | -16.239 (0.07) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.70 | ||||||||||
| V magnitude | 16.00 | 16.00 | |||||||||
| R magnitude | 16.80 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 16.66 (0.004) | 16.69 | 16.66 | 16.66 (0.003) | |||||||
| BP magnitude | 16.49 (0.004) | 16.42 | |||||||||
| RP magnitude | 16.99 (0.007) | 17.00 | |||||||||
| Pan g magnitude | 16.48 (0.006) | ||||||||||
| Pan r magnitude | 16.93 (0.002) | ||||||||||
| Pan i magnitude | 17.32 (0.003) | ||||||||||
| Pan z magnitude | 17.63 (0.009) | ||||||||||
| Pan y magnitude | 17.80 (0.006) | ||||||||||
| E(B-V) | 0.009 | ||||||||||
* 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.