SDSS J113007.78+614340.4

All names: SDSS J113007.78+614340.4, Gaia EDR3 862576222135231872, Gaia DR2 862576222135231872, Gaia DR3 862576222135231872, GALEX J113007.8+614340, SDSS J113007.78+614340.30, WD 1127+620, SDSS J113007.78+614340.2, SDSS J113007.78+614340.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 30 07.81 (0.5) 11 30 07.79 11 30 07.81 (0.5) 11 30 07.78 (0.5) 11 30 07.78 11 30 07.75 11 30 07.78
Declination 61 43 40.11 (0.5) 61 43 40.24 61 43 40.11 (0.5) 61 43 40.27 (0.5) 61 43 40.42 61 43 33.24 61 43 40.27
Spectral type DB DB DB DB DB DB
Effective temperature [K] 17771.0 15298.0 13810.0 16412.0 (540) 16295.0 (611)
log(g) [cgs] 8.70 8.78 8.65 7.75 (0.3) 7.76 (0.4)
Mass [M] 1.034 1.079 1.002 0.468 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.7294
log(H/He) -3.914
log(C/He)
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] 2.08 (0.6) 2.73 (0.7) 2.08 (0.6)
Distance [pc] 480.92 (148) 366.38 (97) 480.93 (148)
Composition He
Proper motion (right ascension) [mas/yr] 14.45443596 (0.6) 12.18150098 (1) 14.454 (0.6) 7.6
Proper motion (declination) [mas/yr] -10.10768791 (0.6) -10.6953815 (1) -10.108 (0.6) -5.8
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.17 (0.04) 20.17 (0.04) 20.30 (0.06) 20.30 20.31 (0.06)
g magnitude 20.23 (0.02) 20.23 (0.02) 20.20 (0.03) 20.20 20.24 (0.03)
r magnitude 20.51 (0.03) 20.52 (0.03) 20.51 (0.04) 20.50 20.53 (0.04)
i magnitude 20.85 (0.06) 20.85 (0.06) 20.58 (0.06) 20.57 20.61 (0.06)
z magnitude 20.85 (0.3) 20.85 (0.3) 20.71 (0.3) 20.70 20.75 (0.3)
G magnitude 20.36 (0.07) 20.44 20.36 (0.007)
BP magnitude 20.39 (0.07) 20.32
RP magnitude 20.39 (0.1) 20.24
Pan g magnitude 20.32 (0.02)
Pan r magnitude 20.51 (0.03)
Pan i magnitude 20.72 (0.05)
Pan z magnitude 21.02 (0.1)
Pan y magnitude
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.