HE 1413+0021

All names: SDSS J141600.13+000801.3, SDSS J141600.15+000801.2, HE 1413+0021, PSO J141600.149+000801.559, Gaia DR2 3653928308787745792, SDSS J141600.15+000801.25, WDJ141600.12+000801.14

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad Gentile Fusillo et al. 2018
Right ascension 14 16 00.16 (0.06) 14 16 00.14 14 16 00.13 14 16 00.16
Declination 00 08 01.44 (0.05) 00 08 01.32 00 08 01.14 00 08 01.44
Spectral type DA DA DA3.5
Effective temperature [K] 13793.0 14485.0 (87)
log(g) [cgs] 8.23 8.34 (0.01)
Mass [M] 0.752 0.809 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.3600
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] 13.85 (0.07) 13.85 (0.07)
Distance [pc] 72.21 (0.4) 72.21 (0.4)
Composition H
Proper motion (right ascension) [mas/yr] 34.4389918544 (0.1) 39.0 34.4389918544
Proper motion (declination) [mas/yr] 19.511806175 (0.1) 22.0 19.511806175
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.30
V magnitude 15.80
R magnitude 16.40
I magnitude
J magnitude 16.40
H magnitude 16.41
K magnitude 16.47
u magnitude 16.33 (0.02) 16.31 (0.007) 16.31 16.28 (0.006)
g magnitude 16.00 (0.01) 15.96 (0.003) 15.96 15.96 (0.004)
r magnitude 16.24 (0.01) 16.24 (0.004) 16.24 16.22 (0.004)
i magnitude 16.48 (0.02) 16.47 (0.005) 16.47 16.46 (0.005)
z magnitude 16.73 (0.02) 16.73 (0.009) 16.73 16.74 (0.01)
G magnitude 16.12 16.12
BP magnitude 16.06 16.06
RP magnitude 16.20 16.20
Pan g magnitude 15.99 (0.003)
Pan r magnitude 16.24 (0.003)
Pan i magnitude 16.49 (0.003)
Pan z magnitude 16.72 (0.003)
Pan y magnitude 16.86 (0.005)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.