GD 685

All names: Gaia DR2 2354670057156360576, GALEX J010933.1-190118, EGGR 563, TIC 268652078, WD 0107-19, WDJ010933.16-190117.56, WD0107-192, 2MASS J01093315-1901172, WD 0107-192, USNO-B1.0 0709-00012641, GD 685, Gaia DR3 2354670057156360576, Gaia EDR3 2354670057156360576, EC 01071-1917, KUV 01071-1917

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 09 33.09 (0.04) 01 09 33.09 (0.05) 01 09 33.10 01 09 33.09 01 09 33.16 (0.04) 01 09 33.09 01 09 44.93
Declination -19 01 18.70 (0.04) -19 01 18.66 (0.04) -19 01 19.00 -19 01 18.70 -19 01 17.56 (0.04) -19 01 18.66 -19 01 19.92
Spectral type DA DA DA DA DA3.3 DA3
Effective temperature [K] 14385.0 15440.0 (263) 14304.0 (78) 15626.0 (149) 14907.0 (185)
log(g) [cgs] 7.96 7.95 (0.05) 7.79 (0.01) 7.99 (0.03) 8.00 (0.01)
Mass [M] 0.587 0.59 (0.03) 0.61 0.612 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.2098
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] 10.56 (0.06) 10.57 (0.07) 10.56 10.56 (0.06) 10.57 (0.07)
Distance [pc] 94.66 (0.5) 94.57 (0.6) 107.00 94.66 94.66 (0.5) 94.57 (0.6)
Composition H H
Proper motion (right ascension) [mas/yr] -63.21097669 (0.06) -63.61928508 (0.1) -63.211 (0.06) -63.61928508
Proper motion (declination) [mas/yr] -71.06948207 (0.08) -71.09813715 (0.1) -71.069 (0.08) -71.09813715
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.90
V magnitude 16.18 16.18 16.30
R magnitude 16.10
I magnitude
J magnitude 16.70 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.21 (0.004) 16.23 16.21 16.21 (0.003) 16.23
BP magnitude 16.18 (0.004) 16.17 16.17
RP magnitude 16.30 (0.004) 16.31 16.31
Pan g magnitude 16.08 (0.003)
Pan r magnitude 16.35 (0.005)
Pan i magnitude 16.62 (0.002)
Pan z magnitude 16.85 (0.003)
Pan y magnitude 17.00 (0.007)
E(B-V) 0.001

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.