WD 0738+343

All names: SDSS J074214.13+341300.6, SDSS J074214.13+341300.7, Gaia EDR3 894196660426117760, SDSS J074214.12+341300.5, SDSS J074214.12+341300.6, Gaia DR3 894196660426117760, WD 0738+343, Gaia DR2 894196660426117760

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 07 42 14.12 (0.3) 07 42 14.13 07 42 14.12 (0.3) 07 42 14.14 (0.3) 07 42 14.13 07 42 13.94 07 42 14.13 07 42 14.13
Declination 34 13 00.46 (0.2) 34 13 00.67 34 13 00.47 (0.2) 34 13 00.63 (0.2) 34 13 00.63 34 12 54.00 34 13 00.66 34 13 00.66
Spectral type DA DA DA DA DA1.7 DA DA
Effective temperature [K] 19870.0 30120.0 (380) 29388.0 (240) 29911.0 (231) 29456.0 (224)
log(g) [cgs] 7.67 8.02 (0.08) 8.03 (0.05) 8.03 (0.05) 8.04 (0.05)
Mass [M☉] 0.457 0.66 (0.04) 0.658 (0.03)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0444 0.0126
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] 1.39 (0.3) 1.63 (0.3) 1.39 (0.3)
Distance [pc] 717.25 (151) 613.11 (127) 717.26 (151)
Composition H H
Proper motion (right ascension) [mas/yr] -10.53621207 (0.3) -10.58661939 (0.6) -10.536 (0.3) -13.4 -14.0
Proper motion (declination) [mas/yr] -10.39294843 (0.2) -10.17355171 (0.4) -10.393 (0.2) -10.1 -13.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.79 (0.02) 18.79 (0.02) 18.79 (0.03) 18.80 18.80 (0.03) 18.80 (0.03)
g magnitude 18.99 (0.009) 18.99 (0.009) 19.00 (0.02) 19.01 18.99 (0.02) 19.01 (0.01)
r magnitude 19.46 (0.01) 19.46 (0.01) 19.46 (0.02) 19.46 19.45 (0.02) 19.46 (0.02)
i magnitude 19.76 (0.02) 19.76 (0.02) 19.75 (0.03) 19.74 19.75 (0.02) 19.74 (0.03)
z magnitude 20.28 (0.1) 20.28 (0.1) 20.28 (0.1) 20.27 20.27 (0.1) 20.27 (0.1)
G magnitude 19.24 (0.02) 19.28 19.24 (0.004)
BP magnitude 19.18 (0.02) 19.09
RP magnitude 19.67 (0.05) 19.65
Pan g magnitude 19.05 (0.009)
Pan r magnitude 19.45 (0.003)
Pan i magnitude 19.80 (0.01)
Pan z magnitude 20.10 (0.03)
Pan y magnitude 20.09 (0.009)
E(B-V) 0.039

* 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.