SDSS J092515.41+225634.8

All names: SDSS J092515.41+225634.80, SDSS J092515.41+225634.8, J0925+2256, Gaia DR3 639097455836719616, Gaia EDR3 639097455836719616

Parameter Unit Gaia EDR3 SDSS DR10 Coutu et al. 2019 Stilism Kepler et al. 2015 Simbad
Right ascension 09 25 15.43 (4) 09 25 15.41 09 25 15.41 09 25 15.43 (4)
Declination 22 56 34.42 (5) 22 56 34.81 22 56 34.80 22 56 34.42 (5)
Spectral type DZ DZ DZ
Effective temperature [K] 6748.0 (297) 8488.0 (241)
log(g) [cgs] 8.00 8.00 (0)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr] 0.0000
log(H/He) <-3.6736
log(C/He)
log(Ca/He) -9.7404 (0.3) -8.227 (0.2)
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]
Distance [pc] 303.46 (21)
Composition He He
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.88 (0.1) 21.87 (0.1) 21.88 (0.1)
g magnitude 21.13 (0.03) 21.15 (0.04) 21.13 (0.03)
r magnitude 20.95 (0.04) 20.99 (0.04) 20.95 (0.04)
i magnitude 20.99 (0.06) 20.99 (0.06) 20.99 (0.06)
z magnitude 21.43 (0.3) 21.39 (0.3) 21.43 (0.3)
G magnitude 20.96 (0.3) 20.96 (0.02)
BP magnitude 21.54 (0.3)
RP magnitude 19.94 (0.1)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.031

* 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.