SDSS J113759.99+301218.7

All names: SDSS J113759.99+301218.7, Gaia DR2 4023969531230699136, GALEX J113759.9+301217, Gaia EDR3 4023969531230699136, SDSS J113759.99+301218.70, SDSS J113759.99+301218.6, Gaia DR3 4023969531230699136

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 11 37 59.99 (0.3) 11 38 00.00 11 37 59.99 (0.6) 11 37 59.99 (0.3)
Declination 30 12 18.67 (0.4) 30 12 18.69 30 12 18.67 (1) 30 12 18.62 (0.4)
Spectral type DA DA DA
Effective temperature [K] 7149.0 (103)
log(g) [cgs] 8.28 (0.2)
Mass [M] 0.705 (0.1)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.51 (0.4) 5.51 (0.4)
Distance [pc] 181.58 (14) 181.58 (14)
Composition
Proper motion (right ascension) [mas/yr] -1.750852514 (0.3) -1.751 (0.3)
Proper motion (declination) [mas/yr] 3.060450755 (0.4) 3.06 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.60 (0.05) 20.59 (0.05) 20.60 (0.05)
g magnitude 20.10 (0.02) 20.11 (0.03) 20.10 (0.02)
r magnitude 19.94 (0.02) 19.93 (0.03) 19.93 (0.02)
i magnitude 19.93 (0.03) 19.90 (0.03) 19.93 (0.03)
z magnitude 19.96 (0.1) 19.92 (0.1) 19.92 (0.1)
G magnitude 19.89 (0.08) 19.95 19.89 (0.005)
BP magnitude 20.15 (0.08)
RP magnitude 19.69 (0.07)
Pan g magnitude 20.09 (0.02)
Pan r magnitude 19.90 (0.02)
Pan i magnitude 19.87 (0.02)
Pan z magnitude 19.92 (0.02)
Pan y magnitude 19.90 (0.06)
E(B-V) 0.010

* 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.