All names: GALEX J163826.3+350012, 2RE J163827+350019, RBS 1599, WD 1636+351, 2RE J1638+350, FBS B 576, 2MASS J16382632+3500119, KUV 433-3, SDSS J163826.30+350011.9, LAMOST J163826.30+350012.0, FBS 1636+351, RX J1638.4+3459, 1RXS J163825.8+350006, GSC 02588-00490, 2EUVE J1638+34.9, PG 1636+351, KUV 16366+3506, RX J1638.4+3500, RE J163826+350017, Balloon 83500006, WIRED J163826.31+350011.9, SDSS J163826.31+350011.9, EUVE J1638+34.9, RE J1638+350, [ZEH2003] RX J1638.4+3500 4, UCAC4 626-053431, Gaia DR2 1327577144269234176, RE J1638+35, Gaia DR3 1327577144269234176, Gaia EDR3 1327577144269234176, TIC 57058301
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 38 26.27 (0.02) | 16 38 26.31 | 16 38 26.27 (0.02) | 16 38 26.27 | 16 38 26.32 (0.02) | 16 38 26.90 | 16 38 26.31 | ||||||||
Declination | 35 00 12.03 (0.03) | 35 00 11.93 | 35 00 12.03 (0.03) | 35 00 12.03 | 35 00 11.89 (0.03) | 35 00 13.32 | 35 00 11.92 | ||||||||
Spectral type | DA | DA | DA | DA | DA1.4 | DA | DA | DA | |||||||
Effective temperature | [K] | 37850.0 (162) | 25658.0 | 37250.0 (566) | 37170.0 (564) | 34306.0 (704) | 37640.0 (141) | ||||||||
log(g) | [cgs] | 7.96 (0.02) | 7.23 | 8.07 (0.05) | 7.97 (0.05) | 7.61 (0.02) | 8.03 (0.02) | ||||||||
Mass | [M☉] | 0.64 (0.01) | 0.341 | 0.7 (0.03) | 0.65 (0.03) | 0.478 (0.009) | |||||||||
log(Luminosity) | [L☉] | -0.45 (0.02) | -0.49 | ||||||||||||
Cooling age | [Gyr] | 0.0043 (0.0001) | 0.0150 | 0.0052 | |||||||||||
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] | 6.92 (0.03) | 6.90 (0.03) | 6.92 | 6.92 (0.03) | ||||||||||
Distance | [pc] | 144.58 (0.6) | 144.97 (0.7) | 111.00 | 197.00 | 144.58 | 144.58 (0.6) | ||||||||
Composition | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -35.08741293 (0.03) | -35.10149722 (0.05) | -35.087 (0.03) | |||||||||||
Proper motion (declination) | [mas/yr] | 9.001297028 (0.04) | 8.97898411 (0.07) | 9.001 (0.04) | |||||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | 14.65 (0.01) | ||||||||||||||
V magnitude | 15.95 | 14.90 (0.0007) | |||||||||||||
R magnitude | 15.01 (0.002) | ||||||||||||||
I magnitude | 15.16 (0.002) | ||||||||||||||
J magnitude | 15.52 (0.05) | ||||||||||||||
H magnitude | 15.53 (0.1) | ||||||||||||||
K magnitude | 15.37 (0.2) | ||||||||||||||
u magnitude | 14.31 (0.004) | 14.31 (0.004) | 14.26 | 14.28 (0.01) | |||||||||||
g magnitude | 14.60 (0.004) | 14.60 (0.004) | 14.59 | 14.62 (0.01) | |||||||||||
r magnitude | 15.10 (0.004) | 15.10 (0.004) | 15.09 | 15.09 (0.01) | |||||||||||
i magnitude | 15.43 (0.004) | 15.43 (0.004) | 15.43 | 15.42 (0.01) | |||||||||||
z magnitude | 15.74 (0.006) | 15.74 (0.006) | 15.74 | 15.74 (0.01) | |||||||||||
G magnitude | 14.85 (0.003) | 14.86 | 14.85 | 14.85 (0.003) | |||||||||||
BP magnitude | 14.70 (0.003) | 14.63 | |||||||||||||
RP magnitude | 15.13 (0.002) | 15.13 | |||||||||||||
Pan g magnitude | 14.68 (0.002) | ||||||||||||||
Pan r magnitude | 15.11 (0.002) | ||||||||||||||
Pan i magnitude | 15.46 (0.003) | ||||||||||||||
Pan z magnitude | 15.73 (0.002) | ||||||||||||||
Pan y magnitude | 15.92 (0.007) | ||||||||||||||
E(B-V) | 0.015 |
* 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.