SDSS J092326.28+482318.1

All names: J0923+4823, SDSS J092326.28+482318.10, Gaia DR3 1011876256075060992, SDSS J092326.28+482318.1, Gaia EDR3 1011876256075060992

Parameter Unit Gaia EDR3 SDSS DR12 Coutu et al. 2019 Stilism Kepler et al. 2016 Vincent et al. 2024 Simbad
Right ascension 09 23 26.78 (0.2) 09 23 26.28 09 23 26.28 09 23 26.78 09 23 26.28
Declination 48 22 39.16 (0.2) 48 23 18.10 48 23 18.10 48 22 39.16 48 23 18.10
Spectral type DZ DZ: DA DZ
Effective temperature [K] 9334.0 (1365) 7758.0 (170) 20501.0 (1794)
log(g) [cgs] 8.00 8.00 (1) 7.84 (0.1)
Mass [M] 0.542 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.0000
log(H/He) <-5.7686
log(C/He)
log(Ca/He) -9.0874 (0.6) -9.322
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] 2.28 (0.2) 2.28
Distance [pc] 438.29 (43) 705.14 (138) 438.30
Composition He He
Proper motion (right ascension) [mas/yr] -1.567 (0.2)
Proper motion (declination) [mas/yr] -9.289 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 22.09 (0.2) 22.09 (0.2) 22.09 (0.2)
g magnitude 21.68 (0.06) 21.67 (0.06) 21.67 (0.06)
r magnitude 21.71 (0.08) 21.69 (0.08) 21.69 (0.08)
i magnitude 22.13 (0.2) 22.14 (0.2) 22.14 (0.2)
z magnitude 22.49 (0.7) 22.46 (0.6)
G magnitude 18.77 (0.004) 18.77
BP magnitude 18.71 (0.02)
RP magnitude 19.01 (0.04)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.020

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.