SDSS J110438.38+071129.8

All names: SDSS J110438.39+071129.80, SDSS J110438.38+071129.6, SDSS J110438.38+071129.8, SDSS J110438.39+071129.8, Gaia EDR3 3818299730867320704, J1104+0711, Gaia DR2 3818299730867320704, Gaia DR3 3818299730867320704, WD 1102+074

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) Coutu et al. 2019 Gaia DR2 Stilism Koester & Kepler 2015 Dufour et al. 2007 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 04 38.31 (0.1) 11 04 38.38 11 04 38.39 11 04 38.31 (0.2) 11 04 38.31 11 04 38.39 (0.1) 11 04 38.38 11 04 37.85 11 04 38.39
Declination 07 11 29.51 (0.1) 07 11 29.85 07 11 29.93 07 11 29.52 (0.1) 07 11 29.51 07 11 29.92 (0.1) 07 11 29.87 07 11 24.36 07 11 29.85
Spectral type DZ DZ DZ DB/DBZ DBA: DBA: DB_DBZ DZ
Effective temperature [K] 16488.0 11231.0 11167.0 (399) 11182.0 (135) 10910.0 (160) 10207.0 (375) 11997.0 (314) 11667.0 (313)
log(g) [cgs] 9.34 8.03 8.03 8.00 (0) 8.00 7.73 (0.06) 8.60 (0.2) 8.43 (0.3)
Mass [M] 1.307 0.598 0.6007 0.437 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.4860
log(H/He) -5.083 <-6.0019 <-5.7 <-6.0
log(C/He)
log(Ca/He) -9.5802 (0.09) -9.95 (0.2) -10.45 (0.1)
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] 5.86 (0.1) 6.00 6.00 (0.2) 5.86 5.86 (0.1)
Distance [pc] 170.73 (4) 166.57 (5) 166.57 (5) 167.00 169.00 170.73 170.73 (4)
Composition He He
Proper motion (right ascension) [mas/yr] -78.9302669 (0.2) -78.94780294 (0.3) -78.93 (0.2) -9.6
Proper motion (declination) [mas/yr] -25.77180341 (0.2) -26.14787629 (0.2) -25.772 (0.2) -24.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.22 (0.01) 18.22 (0.01) 18.24 (0.02) 18.23 18.23 (0.02)
g magnitude 18.10 (0.006) 18.11 (0.006) 18.07 (0.04) 18.07 18.07 (0.03)
r magnitude 18.27 (0.008) 18.27 (0.008) 18.26 (0.03) 18.26 18.26 (0.03)
i magnitude 18.43 (0.01) 18.43 (0.01) 18.44 (0.02) 18.44 18.44 (0.02)
z magnitude 18.61 (0.04) 18.61 (0.04) 18.62 (0.04) 18.62 18.62 (0.04)
G magnitude 18.15 (0.02) 18.18 18.15 18.15 (0.003)
BP magnitude 18.18 (0.02) 18.15
RP magnitude 18.09 (0.03) 18.10
Pan g magnitude 18.13 (0.009)
Pan r magnitude 18.28 (0.006)
Pan i magnitude 18.45 (0.005)
Pan z magnitude 18.64 (0.009)
Pan y magnitude 18.76 (0.02)
E(B-V) 0.015

* 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.