WD 1004-178

All names: 2MASS J10070776-1805246, UCAC4 360-059105, NLTT 23447, Gaia DR2 5672710654717614080, WT 1735, WISE J100707.63-180523.5, UCAC2 24832325, WISEA J100707.62-180523.4, EC 10047-1750, Gaia EDR3 5672710654717614080, WD 1004-178, LP 789-24, TIC 319323175

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Voss et al. 2007 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 10 07 07.57 (0.1) 10 07 07.58 (0.1) 10 07 07.66 (100) 10 07 07.39
Declination -18 05 21.88 (0.08) -18 05 21.93 (0.08) -18 05 24.99 (100) -18 05 22.56
Spectral type DB+dM DB
Effective temperature [K] 16357.0
log(g) [cgs] 7.70
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 9.41 (0.1) 9.32 (0.1)
Distance [pc] 106.29 (1) 107.34 (1)
Composition
Proper motion (right ascension) [mas/yr] -179.2924191 (0.2) -179.444832 (0.2) -183.2 (8)
Proper motion (declination) [mas/yr] 101.1154853 (0.1) 101.2586067 (0.2) 77.8 (8)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.90 (0.1)
V magnitude 15.60 15.65 (0.1)
R magnitude 15.50 (0.3)
I magnitude
J magnitude 12.55 (0.02)
H magnitude 11.98 (0.03)
K magnitude 11.74 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.14 16.13
BP magnitude
RP magnitude
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.002

* 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.