SDSS J111133.52+184035.7

All names: GALEX J111133.6+184035, SDSS J111133.51+184035.6, Gaia DR2 3972031110195622272, Gaia DR3 3972031110195622272, Gaia EDR3 3972031110195622272, SDSS J111133.52+184035.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 11 33.48 (0.4) 11 11 33.52 11 11 33.48 (0.7) 11 11 33.55 (0.4) 11 11 33.52
Declination 18 40 36.29 (0.4) 18 40 35.67 18 40 36.26 (0.7) 18 40 35.40 (0.4) 18 40 35.72
Spectral type DC DC DC DC DA:
Effective temperature [K] 6906.0 6697.0 6317.0 (20)
log(g) [cgs] 8.23 8.14 10.00 (0.008)
Mass [M] 0.736 0.66
log(Luminosity) [L]
Cooling age [Gyr] 2.4530 2.3320
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.79 (0.6) 6.49 (1) 5.79 (0.6)
Distance [pc] 172.68 (18) 154.01 (27) 172.68 (18)
Composition
Proper motion (right ascension) [mas/yr] -59.98219504 (0.6) -62.17705749 (1) -59.982 (0.6)
Proper motion (declination) [mas/yr] 55.81275922 (0.4) 53.8834373 (1) 55.813 (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 20.57 (0.06) 20.57 (0.06) 20.56 (0.06)
g magnitude 19.96 (0.02) 19.96 (0.02) 19.99 (0.02)
r magnitude 19.75 (0.02) 19.75 (0.02) 19.75 (0.02)
i magnitude 19.75 (0.02) 19.75 (0.02) 19.77 (0.03)
z magnitude 19.82 (0.06) 19.82 (0.06) 19.83 (0.06)
G magnitude 19.75 (0.08) 19.79 19.75 (0.006)
BP magnitude 19.96 (0.08) 19.79
RP magnitude 19.41 (0.05) 19.49
Pan g magnitude 19.95 (0.01)
Pan r magnitude 19.75 (0.01)
Pan i magnitude 19.78 (0.01)
Pan z magnitude 19.74 (0.02)
Pan y magnitude 19.78 (0.09)
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.