SDSS J112003.44+291544.8

All names: GALEX J112003.4+291545, Gaia DR2 4022921353052206464, Gaia EDR3 4022921353052206464, SDSS J112003.44+291544.8, SDSS J112003.44+291544.7, Gaia DR3 4022921353052206464, SDSS J112003.43+291544.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 20 03.40 (0.2) 11 20 03.44 11 20 03.40 11 20 03.46 (0.2) 11 20 03.44
Declination 29 15 44.23 (0.2) 29 15 44.78 29 15 44.23 29 15 44.77 (0.2) 29 15 44.78
Spectral type DA DA DA DA
Effective temperature [K] 6929.0 (201) 7030.0 (63)
log(g) [cgs] 7.21 (0.09) 7.81 (0.1)
Mass [M] 0.248 (0.04) 0.496 (0.07)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.32 (0.3) 5.32 5.32 (0.3)
Distance [pc] 188.07 (9) 188.07 188.07 (9)
Composition
Proper motion (right ascension) [mas/yr] -48.61509115 (0.2) -48.615 (0.2)
Proper motion (declination) [mas/yr] -33.93272908 (0.2) -33.933 (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 19.53 (0.03) 19.52 (0.03) 19.52 (0.03)
g magnitude 19.00 (0.009) 19.00 (0.02) 19.00 (0.02)
r magnitude 18.84 (0.01) 18.83 (0.02) 18.83 (0.02)
i magnitude 18.80 (0.01) 18.79 (0.01) 18.79 (0.01)
z magnitude 18.92 (0.05) 18.92 (0.05) 18.92 (0.05)
G magnitude 18.81 (0.03) 18.81 18.81 (0.004)
BP magnitude 19.09 (0.03)
RP magnitude 18.47 (0.05)
Pan g magnitude 18.96 (0.003)
Pan r magnitude 18.81 (0.005)
Pan i magnitude 18.83 (0.008)
Pan z magnitude 18.85 (0.01)
Pan y magnitude 18.87 (0.02)
E(B-V) 0.011

* 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.