SDSS J163826.28+111219.3

All names: Gaia DR2 4447156747714724736, SDSS J163826.29+111219.37, Gaia DR3 4447156747714724736, SDSS J163826.28+111219.3, SDSS J163826.29+111219.3, Gaia EDR3 4447156747714724736, SDSSJ163826.29+111219.4, GALEX J163826.3+111219

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Geier 2020 MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 16 38 26.29 (0.2) 16 38 26.29 16 38 26.29 16 38 26.29 (0.2) 16 38 26.29 (0.2)
Declination 11 12 19.29 (0.1) 11 12 19.35 11 12 19.40 11 12 19.30 (0.1) 11 12 19.34 (0.1)
Spectral type sdOB sdO sdO sdO
Effective temperature [K] 35952.0 (954) 15119.0 36531.0 (332)
log(g) [cgs] 6.02 (0.1) 6.39 5.68 (0.06)
Mass [M] 0.138
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.95 (0.3) 1.10 (0.3) 1.10 (0.3) 0.95 (0.3)
Distance [pc] 1047.59 (274) 907.11 (247) 907.14 (247) 1047.56 (274)
Composition
Proper motion (right ascension) [mas/yr] -5.907721314 (0.2) -6.487 (0.4) -6.487133906 (0.4) -5.908 (0.2)
Proper motion (declination) [mas/yr] -3.147650851 (0.1) -4.62 (0.3) -4.619929717 (0.3) -3.148 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.03 (0.01) 18.03 (0.01) 18.02 (0.02) 18.03 (0.01)
g magnitude 18.33 (0.007) 18.33 (0.007) 18.36 (0.01) 18.33 (0.007)
r magnitude 18.75 (0.009) 18.75 (0.009) 18.78 (0.01) 18.75 (0.009)
i magnitude 18.98 (0.01) 18.98 (0.01) 18.99 (0.01) 18.99 (0.01)
z magnitude 19.22 (0.05) 19.22 (0.05) 19.24 (0.05) 19.22 (0.05)
G magnitude 18.57 (0.01) 18.58 (0.002) 18.58 18.57 (0.003)
BP magnitude 18.48 (0.01) 18.40 (0.01) 18.40
RP magnitude 18.70 (0.02) 18.63 (0.02) 18.63
Pan g magnitude 18.41 (0.008) 18.41 (0.008)
Pan r magnitude 18.75 (0.005) 18.75 (0.005)
Pan i magnitude 19.01 (0.009) 19.01 (0.009)
Pan z magnitude 19.19 (0.02) 19.19 (0.02)
Pan y magnitude 19.25 (0.04) 19.25 (0.04)
E(B-V) 0.055

* 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.