SDSS J083020.43+420108.8

All names: Gaia DR2 915143323302851840, Gaia EDR3 915143323302851840, SDSS J083020.42+420108.8, GALEX J083020.4+420109, Gaia DR3 915143323302851840, SDSS J083020.43+420108.8, SDSS J083020.43+420108.87

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 08 30 20.43 (4) 08 30 20.43 08 30 20.43 (10) 08 30 20.43 (4)
Declination 42 01 08.75 (2) 42 01 08.86 42 01 08.76 (2) 42 01 08.75 (2)
Spectral type DA DA
Effective temperature [K] 11628.0 (386)
log(g) [cgs] 8.47 (0.1)
Mass [M☉] 0.888 (0.07)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
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 21.69 (0.1) 21.63 (0.1) 21.69 (0.1)
g magnitude 21.03 (0.03) 21.02 (0.03) 21.03 (0.03)
r magnitude 21.04 (0.05) 21.05 (0.05) 21.04 (0.05)
i magnitude 21.20 (0.07) 21.23 (0.07) 21.20 (0.07)
z magnitude 20.81 (0.2) 20.82 (0.2) 20.81 (0.2)
G magnitude 21.00 (0.3) 21.08 21.00 (0.02)
BP magnitude 21.48 (0.3)
RP magnitude 20.79 (0.2)
Pan g magnitude 21.00 (0.07)
Pan r magnitude 21.04 (0.03)
Pan i magnitude 21.14 (0.04)
Pan z magnitude 20.93 (0.2)
Pan y magnitude
E(B-V)

* 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.