SDSS J080703.33+182433.8

All names: Gaia DR3 669034855359491328, SDSS J080703.33+182433.8, Gaia DR2 669034855359491328, Gaia EDR3 669034855359491328, SDSS J080703.32+182433.7, GALEX J080703.3+182434, SDSS J080703.33+182433.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 07 03.31 (0.4) 08 07 03.32 08 07 03.31 (0.5) 08 07 03.33 (0.4) 08 07 03.33
Declination 18 24 33.71 (0.2) 18 24 33.74 18 24 33.71 (0.2) 18 24 33.72 (0.2) 18 24 33.76
Spectral type DA DA DA DA
Effective temperature [K] 9226.0 9840.0 (115)
log(g) [cgs] 7.64 8.40 (0.1)
Mass [M] 0.413 0.842 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.4939
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] 3.46 (0.4) 3.25 (0.6) 3.46 (0.4)
Distance [pc] 289.20 (35) 307.43 (55) 289.20 (35)
Composition H
Proper motion (right ascension) [mas/yr] -21.87061337 (0.4) -21.66392007 (0.9) -21.871 (0.4)
Proper motion (declination) [mas/yr] -0.890694711 (0.3) -1.419313543 (0.5) -0.891 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.09 (0.05) 20.09 (0.04) 19.89 (0.05)
g magnitude 19.43 (0.01) 19.43 (0.01) 19.42 (0.02)
r magnitude 19.50 (0.01) 19.50 (0.01) 19.46 (0.02)
i magnitude 19.59 (0.02) 19.59 (0.02) 19.55 (0.02)
z magnitude 19.75 (0.07) 19.75 (0.07) 19.79 (0.07)
G magnitude 19.41 (0.04) 19.44 19.41 (0.005)
BP magnitude 19.57 (0.04) 19.45
RP magnitude 19.22 (0.05) 19.09
Pan g magnitude 19.42 (0.008)
Pan r magnitude 19.45 (0.02)
Pan i magnitude 19.58 (0.01)
Pan z magnitude 19.71 (0.02)
Pan y magnitude 19.80 (0.04)
E(B-V) 0.014

* 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.