SDSS J083923.76+563056.6

All names: SDSS J083923.75+563056.8, Gaia EDR3 1034183633311903488, GALEX J083923.7+563057, Gaia DR2 1034183633311903488, SDSS J083923.75+563056.7, SDSS J083923.76+563056.8, SDSS J083923.76+563056.6

Parameter Unit Gaia EDR3 SDSS DR12 Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 08 39 23.68 (0.3) 08 39 23.75 08 39 23.68 (0.4) 08 39 23.75 (10) 08 39 23.76
Declination 56 30 55.86 (0.2) 56 30 56.75 56 30 55.91 (0.4) 56 30 56.75 (10) 56 30 56.83
Spectral type DA DA
Effective temperature [K] 8997.0 (67)
log(g) [cgs] 8.70 (0.1)
Mass [M☉] 1.018 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 6.41 (0.3) 6.51 (0.6)
Distance [pc] 155.99 (8) 153.52 (14)
Composition
Proper motion (right ascension) [mas/yr] -49.04596874 (0.3) -46.01946761 (0.8) -49.0 (3)
Proper motion (declination) [mas/yr] -88.41180493 (0.3) -86.63581503 (0.8) -87.0 (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 19.20 (0.03) 19.20 (0.03) 19.20 (0.03)
g magnitude 18.71 (0.008) 18.71 (0.008) 18.85 (0.02)
r magnitude 18.73 (0.01) 18.73 (0.01) 18.89 (0.02)
i magnitude 18.81 (0.01) 18.81 (0.01) 18.96 (0.02)
z magnitude 18.88 (0.05) 18.88 (0.05) 19.15 (0.06)
G magnitude 19.17 (0.01) 19.18
BP magnitude 18.78 (0.01) 18.82
RP magnitude 18.55 (0.02) 18.53
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.009

* 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.