All names: GCRV 21687, GJ 2029, uvby98 610060045, Gaia DR3 125952943908854144, FBS B 470, 1SWASP J031942.73+344223.8, GALEX J031942.8+344223, L 587-77, GD 45, UCAC2 43915066, BPM 85584, TIC 137909427, GEN# +6.10060045, FBS 0316+345, LAMOST J031942.79+344221.8, L 1451-7, LP 247-22, WDJ031942.76+344223.74, USNO-B1.0 1247-00046982, Gaia EDR3 125952943908854144, Gaia DR2 125952943908854144, NLTT 10568, WD 0316+34, WD 0316+345, 2MASS J03194275+3442241, LSPM J0319+3442, EGGR 208
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 19 42.82 (0.04) | 03 19 42.82 (0.06) | 03 19 42.82 | 03 19 42.76 (0.04) | 03 19 42.82 | 03 19 42.84 | |||||
| Declination | 34 42 20.79 (0.03) | 34 42 20.88 (0.04) | 34 42 20.79 | 34 42 23.74 (0.03) | 34 42 20.88 | 34 42 26.28 | |||||
| Spectral type | DA | DA | DA | DA3.3 | DA3.5 | ||||||
| Effective temperature | [K] | 14938.0 | 15350.0 (249) | 14626.0 (137) | |||||||
| log(g) | [cgs] | 7.63 | 7.68 (0.05) | 7.60 (0.008) | |||||||
| Mass | [M☉] | 0.426 | 0.46 (0.02) | 0.414 (0.005) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1134 | |||||||||
| 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] | 20.43 (0.04) | 20.31 (0.07) | 20.43 | 20.43 (0.04) | 20.31 (0.07) | |||||
| Distance | [pc] | 48.95 (0.1) | 49.24 (0.2) | 48.00 | 48.95 | 48.95 (0.1) | 49.24 (0.2) | ||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 46.70526437 (0.04) | 46.87892577 (0.1) | 46.705 (0.04) | 46.87892577 | ||||||
| Proper motion (declination) | [mas/yr] | -184.5367939 (0.03) | -184.5058688 (0.09) | -184.537 (0.03) | -184.5058688 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 14.24 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 14.50 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.57 (0.03) | ||||||||||
| H magnitude | 14.68 (0.06) | ||||||||||
| K magnitude | 14.57 (0.08) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 14.23 (0.001) | 14.25 | 14.23 | 14.23 (0.003) | 14.25 | ||||||
| BP magnitude | 14.18 (0.001) | 14.17 | 14.17 | ||||||||
| RP magnitude | 14.35 (0.002) | 14.36 | 14.36 | ||||||||
| Pan g magnitude | 14.12 (0.002) | ||||||||||
| Pan r magnitude | 14.41 (0.006) | ||||||||||
| Pan i magnitude | 14.68 (0.001) | ||||||||||
| Pan z magnitude | 14.93 (0.004) | ||||||||||
| Pan y magnitude | 15.08 (0.002) | ||||||||||
| 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.