WD 0742+653

All names: HS 0742+6520, WD 0742+653, SDSS J074725.12+651301.4, Gaia EDR3 1094760745409246080, WDJ074725.16+651301.16, 2MASS J07472516+6513014, TIC 335501964, Gaia DR2 1094760745409246080, SDSS J074725.16+651301.1, FBS 0742+653, Gaia DR3 1094760745409246080, FBS B 764, SDSS J074725.15+651301.1, GALEX J074725.2+651300

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2026a Gaia DR2 Stilism Reindl et al. 2014 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 47 25.17 (0.03) 07 47 25.16 07 47 25.17 (0.03) 07 47 25.17 07 47 25.16 (0.03) 07 47 24.84 07 47 25.16
Declination 65 13 01.05 (0.03) 65 13 01.13 65 13 01.06 (0.05) 65 13 01.05 65 13 01.16 (0.03) 65 12 54.72 65 13 01.13
Spectral type DO DO DO DOZ.6 DO DO
Effective temperature [K] 72534.0 80000.0 120271.0 (38041) 100000.0 (397)
log(g) [cgs] 7.67 (0.01) 7.50 (0.5) 8.04 (0.4) 7.83 (0.06)
Mass [M] 0.555 (0.006) 0.53 0.771 (0.2)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -0.0
log(C/He) <0.002
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/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(Cl/H)
log(K/H)
log(Sc/H)
log(Ti/H)
log(V/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Co/H)
log(Ni/H)
log(Cu/H)
log(Sr/H)
Parallax [mas] 3.01 (0.05) 3.18 (0.06) 3.01 3.01 (0.05)
Distance [pc] 331.91 (5) 314.21 (6) 331.91 331.91 (5)
Composition H
Proper motion (right ascension) [mas/yr] 7.017445134 (0.03) 7.26488663 (0.06) 7.017 (0.03)
Proper motion (declination) [mas/yr] -6.460136166 (0.04) -6.419363983 (0.09) -6.46 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude
R magnitude
I magnitude
J magnitude 16.75 (0.1)
H magnitude
K magnitude
u magnitude 14.95 (0.004) 14.95 (0.004) 14.98 (0.01)
g magnitude 15.41 (0.004) 15.41 15.41 (0.004) 15.46 (0.01)
r magnitude 16.03 (0.004) 16.03 (0.004) 16.04 (0.01)
i magnitude 16.42 (0.005) 16.42 (0.005) 16.42 (0.01)
z magnitude 16.77 (0.01) 16.77 (0.01) 16.76 (0.02)
G magnitude 15.73 (0.002) 15.75 15.73 15.73 (0.003)
BP magnitude 15.54 (0.002) 15.47
RP magnitude 16.13 (0.004) 16.12
Pan g magnitude 15.55 (0.001)
Pan r magnitude 16.03 (0.003)
Pan i magnitude 16.46 (0.002)
Pan z magnitude 16.76 (0.003)
Pan y magnitude 16.98 (0.004)
E(B-V) 0.031

* 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.