WD 1606+181

All names: Gaia DR3 1199860794164655104, GALEX J160906.9+180218, Gaia DR2 1199860794164655104, KUV 16069+1810, Gaia EDR3 1199860794164655104, SDSS J160906.90+180218.3, WD 1606+181

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 09 06.88 (0.06) 16 09 06.88 (0.07) 16 09 06.88 16 09 06.91 (0.06) 16 09 06.50
Declination 18 02 18.17 (0.06) 18 02 18.18 (0.07) 18 02 18.17 18 02 18.47 (0.06) 18 02 15.36
Spectral type DA DA DA DA2.2 DA
Effective temperature [K] 17860.0 22980.0 (384) 22697.0 (745)
log(g) [cgs] 7.78 8.07 (0.05) 8.06 (0.03)
Mass [M] 0.501 0.67 (0.03) 0.662 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.0699
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] 5.07 (0.07) 5.01 (0.1) 5.07 5.07 (0.07)
Distance [pc] 197.13 (3) 199.58 (4) 197.00 197.13 197.13 (3)
Composition H H
Proper motion (right ascension) [mas/yr] -29.51489203 (0.07) -29.61511749 (0.1) -29.515 (0.07)
Proper motion (declination) [mas/yr] -18.944689 (0.07) -19.00588635 (0.1) -18.945 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.80
V magnitude 17.10
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.97 (0.01)
g magnitude 16.95 (0.02)
r magnitude 17.36 (0.01)
i magnitude 17.64 (0.02)
z magnitude 17.90 (0.02)
G magnitude 17.15 (0.008) 17.17 17.15 17.15 (0.003)
BP magnitude 17.07 (0.008) 17.03
RP magnitude 17.34 (0.007) 17.33
Pan g magnitude 17.01 (0.003)
Pan r magnitude 17.34 (0.003)
Pan i magnitude 17.66 (0.002)
Pan z magnitude 17.89 (0.007)
Pan y magnitude 18.07 (0.02)
E(B-V) 0.041

* 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.