KUV 07523+4017

All names: Gaia DR2 920621124593362816, Gaia EDR3 920621124593362816, SDSS J075540.94+400918.0, GALEX J075540.9+400918, WD 0752+402, Gaia DR3 920621124593362816, KUV 07523+4017, SDSS J075540.94+400917.9, SDSS J075540.93+400917.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 Gaia DR2 Stilism Hugelmeyer et al. 2006 Werner & Herwig 2006 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 55 40.93 (0.1) 07 55 40.94 07 55 40.93 (0.1) 07 55 40.94 (0.1) 07 55 40.94 07 55 39.38 07 55 40.94
Declination 40 09 17.88 (0.08) 40 09 17.94 40 09 17.88 (0.1) 40 09 17.91 (0.08) 40 09 18.00 40 09 14.04 40 09 17.97
Spectral type DOZ PG1159 PG1159 PG1159 PG1159 PG1159 PG1159 DO
Effective temperature [K] 92873.0 (10405) 100000.0 (2600) 100000.0 100000.0 (794) 100000.0 (794)
log(g) [cgs] 7.49 (0.3) 7.60 (0.05) 7.60 5.00 (0.003) 5.01 (0.01)
Mass [M] 0.54 (0.1) 0.62
log(Luminosity) [L] 1.50 (0.3)
Cooling age [Gyr] 0.0001
log(H/He)
log(C/He) -1.5228787453 (-2) -1.0457574906
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 0.95 (0.1) 1.09 (0.2) 0.95 (0.1)
Distance [pc] 1051.68 (141) 920.78 (163) 1051.64 (141)
Composition He
Proper motion (right ascension) [mas/yr] -10.23421857 (0.1) -9.983331129 (0.3) -10.234 (0.1) 3.3
Proper motion (declination) [mas/yr] -1.968289581 (0.1) -1.860735931 (0.2) -1.968 (0.1) 1.1
Variability NOV
Magnetic yes
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude 17.53
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.99 (0.007) 16.99 (0.007) 17.01 (0.02) 17.01 17.00 (0.02)
g magnitude 17.47 (0.005) 17.47 (0.005) 17.49 (0.02) 17.49 17.49 (0.02)
r magnitude 18.05 (0.007) 18.05 (0.007) 18.06 (0.02) 18.06 18.05 (0.02)
i magnitude 18.41 (0.01) 18.41 (0.01) 18.42 (0.02) 18.43 18.42 (0.02)
z magnitude 18.75 (0.03) 18.75 (0.03) 18.77 (0.04) 18.78 18.75 (0.04)
G magnitude 17.80 (0.01) 17.83 17.80 (0.004)
BP magnitude 17.63 (0.01) 17.53
RP magnitude 18.13 (0.03) 18.14
Pan g magnitude 17.63 (0.006)
Pan r magnitude 18.09 (0.003)
Pan i magnitude 18.46 (0.004)
Pan z magnitude 18.74 (0.02)
Pan y magnitude 19.01 (0.05)
E(B-V) 0.039

* 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.