SDSS J113027.20-073451.8

All names: GALEX J113027.2-073450, SDSS J113027.20-073451.8, Gaia DR2 3592850369145726976, SDSS J113027.20-073451.7, Gaia EDR3 3592850369145726976, J1130-0734, Gaia DR3 3592850369145726976

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 30 27.20 (0.8) 11 30 27.19 11 30 27.19 11 30 27.20 (1) 11 30 27.20 (0.8) 11 30 27.20
Declination -07 34 52.37 (0.6) -07 34 51.84 -07 34 51.47 -07 34 52.34 (0.8) -07 34 51.46 (0.6) -07 34 51.79
Spectral type DQ DA DA:DQ DQ:
Effective temperature [K] 7925.0 (260) 7476.0 (98)
log(g) [cgs] 8.13 9.94 (0.07)
Mass [M] 0.6552
log(Luminosity) [L]
Cooling age [Gyr] 1.3400
log(H/He)
log(C/He) -5.0514 (0.2)
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] 3.98 (1) 4.26 4.26 (1) 3.98 (1)
Distance [pc] 251.33 (65) 234.92 (60) 234.92 (60) 251.33 (65)
Composition He
Proper motion (right ascension) [mas/yr] 3.770791406 (1) 8.240626197 (3) 3.771 (1)
Proper motion (declination) [mas/yr] -56.8484052 (0.7) -55.94678317 (1) -56.848 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.58 (0.06) 20.63 (0.08) 20.63 (0.08)
g magnitude 20.30 (0.02) 20.34 (0.03) 20.34 (0.03)
r magnitude 20.20 (0.02) 20.22 (0.03) 20.22 (0.03)
i magnitude 20.32 (0.03) 20.23 (0.04) 20.23 (0.04)
z magnitude 20.16 (0.1) 20.54 (0.2) 20.54 (0.2)
G magnitude 20.22 (0.2) 20.37 20.22 (0.009)
BP magnitude 20.28 (0.2) 20.15
RP magnitude 19.85 (0.1) 19.87
Pan g magnitude 20.30 (0.01)
Pan r magnitude 20.34 (0.04)
Pan i magnitude 20.23 (0.03)
Pan z magnitude 20.36 (0.02)
Pan y magnitude 20.27 (0.2)
E(B-V) 0.021

* 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.