SDSS J093559.80+000828.8

All names: SDSS J093559.80+000829.0, SDSS J093559.80+000828.93, SDSS J093559.80+000828.9, Gaia DR3 3840274467176110848, Gaia EDR3 3840274467176110848, Gaia DR2 3840274467176110848, SDSS J093559.80+000828.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 SDSS DR10 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Eisenstein et al. 2006 Vincent et al. 2023
Right ascension 09 35 59.80 (0.3) 09 35 59.80 09 35 59.80 09 35 59.80 (0.4) 09 35 59.80 (0.3) 09 35 59.80
Declination 00 08 29.13 (0.2) 00 08 28.91 00 08 28.91 00 08 29.12 (0.3) 00 08 28.90 (0.2) 00 08 28.89
Spectral type DA DAH DAH DAH SD_auto DA
Effective temperature [K] 16195.7 (475) 11995.0 19765.0 (504) 20064.0 (495)
log(g) [cgs] 8.11 (0.2) 7.82 5.03 (0.04) 5.14 (0.1)
Mass [M] 0.6787894225260412 (0.1) 0.508
log(Luminosity) [L]
Cooling age [Gyr] 0.2981
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] 2.36 (0.3) 2.71 (0.4) 2.36 (0.3)
Distance [pc] 424.06 (53) 369.65 (60) 424.07 (53)
Composition H
Proper motion (right ascension) [mas/yr] -3.077337914 (0.3) -2.147298684 (0.7) -3.077 (0.3) -4.0
Proper motion (declination) [mas/yr] 14.40991373 (0.2) 14.61108639 (0.6) 14.41 (0.2) 10.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.40 (0.02) 19.40 (0.02) 19.41 (0.02) 19.40 (0.02) 19.42 (0.03)
g magnitude 19.17 (0.01) 19.17 (0.01) 19.18 (0.02) 19.17 (0.01) 19.19 (0.02)
r magnitude 19.40 (0.01) 19.40 (0.01) 19.41 (0.02) 19.40 (0.01) 19.40 (0.02)
i magnitude 19.66 (0.02) 19.66 (0.02) 19.67 (0.03) 19.66 (0.02) 19.67 (0.03)
z magnitude 19.78 (0.1) 19.78 (0.1) 19.80 (0.09) 19.78 (0.1) 19.80 (0.1)
G magnitude 19.29 (0.02) 19.34 19.29 (0.004)
BP magnitude 19.33 (0.02) 19.29
RP magnitude 19.36 (0.04) 19.28
Pan g magnitude 19.20 (0.009)
Pan r magnitude 19.40 (0.01)
Pan i magnitude 19.64 (0.01)
Pan z magnitude 19.82 (0.07)
Pan y magnitude 19.75 (0.1)
E(B-V) 0.029

* 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.