SDSS J092355.98+243552.9

All names: Gaia DR2 645501183356007168, Gaia DR3 645501183356007168, SDSS J092355.98+243552.9, Gaia EDR3 645501183356007168, GALEX J092356.0+243552

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 09 23 55.96 (0.7) 09 23 55.97 09 23 55.96 (1) 09 23 55.97 (0.7) 09 23 55.98
Declination 24 35 52.82 (0.5) 24 35 52.87 24 35 52.82 (0.9) 24 35 52.80 (0.5) 24 35 52.86
Spectral type DA DAH DAH DAH
Effective temperature [K] 14246.6 (674) 10238.0 12976.0 (662)
log(g) [cgs] 7.01 (0.2) 6.42 8.57 (0.2)
Mass [M] 0.2445383159256119 (0.1) 0.117
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 0.34 (1) 0.81 (1) 0.34 (1)
Distance [pc] 2900.86 (8001) 1239.81 (1980) 2901.07 (8002)
Composition H
Proper motion (right ascension) [mas/yr] -5.96527887 (1) -5.034024348 (2) -5.965 (1)
Proper motion (declination) [mas/yr] 0.783823395 (0.8) 0.640090214 (2) 0.784 (0.8)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.73 (0.06) 20.73 (0.07) 20.73 (0.07)
g magnitude 20.40 (0.02) 20.41 (0.03) 20.41 (0.03)
r magnitude 20.62 (0.03) 20.64 (0.04) 20.64 (0.04)
i magnitude 20.69 (0.05) 20.72 (0.06) 20.72 (0.06)
z magnitude 20.91 (0.2) 20.84 (0.2) 20.84 (0.2)
G magnitude 20.49 (0.1) 20.61 20.49 (0.008)
BP magnitude 20.43 (0.1) 20.43
RP magnitude 20.22 (0.1) 20.00
Pan g magnitude 20.42 (0.02)
Pan r magnitude 20.58 (0.02)
Pan i magnitude 20.75 (0.02)
Pan z magnitude 20.93 (0.06)
Pan y magnitude
E(B-V) 0.033

* 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.