SDSS J160839.06+074542.5

All names: GALEX J160839.0+074542, SDSS J160839.06+074542.5, Gaia EDR3 4451300502100567040, Gaia DR2 4451300502100567040, WD 1606+078, SDSS J160839.07+074542.5, Gaia DR3 4451300502100567040, SDSS J160839.06+074542.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 08 39.05 (0.05) 16 08 39.07 16 08 39.05 (0.06) 16 08 39.05 16 08 39.07 (0.05) 16 08 38.69 16 08 39.07
Declination 07 45 42.38 (0.04) 07 45 42.51 07 45 42.39 (0.04) 07 45 42.38 07 45 42.50 (0.04) 07 45 37.44 07 45 42.52
Spectral type DA DA DA DA2.1 DA DA
Effective temperature [K] 19057.0 22008.0 (426) 23162.0 (181)
log(g) [cgs] 7.84 8.00 (0.02) 8.50 (0.03)
Mass [M] 0.534 0.628 (0.02) 0.918 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.0571
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] 5.61 (0.07) 5.57 (0.09) 5.61 5.61 (0.07)
Distance [pc] 178.26 (2) 179.58 (3) 178.26 178.26 (2)
Composition H
Proper motion (right ascension) [mas/yr] -17.6007212 (0.06) -17.59672999 (0.1) -17.601 (0.06)
Proper motion (declination) [mas/yr] -7.571196438 (0.05) -7.533884445 (0.07) -7.571 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.63 (0.007) 16.63 (0.007) 16.65 16.65 (0.02)
g magnitude 16.68 (0.005) 16.68 (0.005) 16.69 16.69 (0.02)
r magnitude 17.09 (0.006) 17.09 (0.006) 17.10 (0.02)
i magnitude 17.41 (0.007) 17.41 (0.007) 17.41 (0.01)
z magnitude 17.68 (0.01) 17.68 (0.01) 17.69 (0.02)
G magnitude 16.90 (0.004) 16.92 16.90 16.90 (0.003)
BP magnitude 16.81 (0.004) 16.78
RP magnitude 17.10 (0.006) 17.10
Pan g magnitude 16.75 (0.005)
Pan r magnitude 17.09 (0.003)
Pan i magnitude 17.39 (0.003)
Pan z magnitude 17.66 (0.004)
Pan y magnitude 17.84 (0.01)
E(B-V) 0.029

* 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.