2MASS J07464259+1800217

All names: Gaia DR2 668214417820775424, WISE J074642.61+180021.5, Gaia DR2 668214413526637568, SDSS J074642.64+180022.8, 2MASS J07464259+1800217, Gaia EDR3 668214413526637568

Parameter Unit Gaia EDR3 MWDD H Pan-STARRS DR1 Gaia DR2 SDSS DR12 Simbad Kleinman et al. 2013
Right ascension 07 46 42.64 (0.08) 07 46 42.64 (0.1) 07 46 42.64 07 46 42.59 (200) 07 46 42.64
Declination 18 00 22.65 (0.07) 18 00 22.66 (0.08) 18 00 22.79 18 00 21.79 (180) 18 00 22.84
Spectral type DA DA
Effective temperature [K] 13237.0 17530.0 (128)
log(g) [cgs] 7.86 8.08 (0.03)
Mass [M] 0.53
log(Luminosity) [L]
Cooling age [Gyr] 0.2341
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] 6.48 (0.09) 6.42 (0.1)
Distance [pc] 154.23 (2) 155.65 (3)
Composition H
Proper motion (right ascension) [mas/yr] 4.008336984 (0.1) 3.709218678 (0.2)
Proper motion (declination) [mas/yr] -17.57668737 (0.08) -17.5799192 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.80 (0.1)
H magnitude 16.01 (0.2)
K magnitude
u magnitude 17.40 (0.01) 20.47 (0.07) 17.36 (0.02)
g magnitude 17.14 (0.005) 25.11 (1) 17.15 (0.01)
r magnitude 17.49 (0.005) 19.95 (0.03) 17.48 (0.01)
i magnitude 17.71 (0.007) 19.59 (0.02) 17.67 (0.01)
z magnitude 18.03 (0.02) 18.84 (0.04) 17.89 (0.02)
G magnitude 17.31 (0.01) 17.34 20.21 (0.01)
BP magnitude 17.25 (0.01) 17.24
RP magnitude 17.34 (0.02) 17.34
Pan g magnitude 17.19 (0.003)
Pan r magnitude 17.44 (0.006)
Pan i magnitude 17.66 (0.004)
Pan z magnitude 17.90 (0.01)
Pan y magnitude 18.06 (0.02)

* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.