WD 1642+413

All names: RE J164341+411722, PG 1642+414, RE J1643+411, TIC 57229789, 2MASS J16434185+4116589, WD 1642+413, SDSS J164341.83+411659.4, LAMOST J164341.93+411700.2, Gaia EDR3 1356434445415005184, GALEX J164341.9+411700, Gaia DR2 1356434445415005184, Gaia DR3 1356434445415005184, FBS B 375, FBS 1642+413

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Guo et al. 2015 Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 43 41.80 (0.03) 16 43 41.80 (0.05) 16 43 41.80 16 43 41.84 (0.03) 16 43 43.32
Declination 41 16 59.92 (0.04) 41 16 59.90 (0.06) 41 16 59.92 41 16 59.39 (0.04) 41 16 53.40
Spectral type DA DA DA DA DA1.7 DA2
Effective temperature [K] 28626.0 29520.0 (461) 32120.0 (809)
log(g) [cgs] 8.31 8.26 (0.06) 8.45 (0.02)
Mass [M] 0.825 0.8 (0.03) 0.917 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.0295
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] 7.49 (0.04) 7.44 (0.06) 7.49 7.49 (0.04)
Distance [pc] 133.54 (0.8) 134.40 (1) 144.00 133.54 133.55 (0.8)
Composition H H
Proper motion (right ascension) [mas/yr] -28.06239219 (0.05) -28.10159643 (0.1) -28.062 (0.05)
Proper motion (declination) [mas/yr] 33.09655796 (0.06) 33.20974355 (0.2) 33.097 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.08
V magnitude
R magnitude
I magnitude
J magnitude 16.72 (0.1)
H magnitude
K magnitude
u magnitude 15.72 (0.005)
g magnitude 15.96 (0.003)
r magnitude 16.44 (0.004)
i magnitude 16.78 (0.005)
z magnitude 17.15 (0.01)
G magnitude 16.21 (0.003) 16.23 16.21 16.21 (0.003)
BP magnitude 16.08 (0.003) 16.04
RP magnitude 16.48 (0.004) 16.48
Pan g magnitude 16.02 (0.004)
Pan r magnitude 16.44 (0.004)
Pan i magnitude 16.81 (0.004)
Pan z magnitude 17.08 (0.005)
Pan y magnitude 17.29 (0.01)
E(B-V) 0.016

* 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.