PG 1636+351

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

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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.