SDSS J163532.56+002954.4

All names: Gaia DR2 4383583913110675328, SDSSJ163532.55+002954.4, GALEX J163532.6+002954, SDSS J163532.56+002954.4, Gaia DR3 4383583913110675328, Gaia EDR3 4383583913110675328

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Geier 2020 Gaia DR2 Stilism Harris et al. 2003 Simbad Eisenstein et al. 2006 Vincent et al. 2023
Right ascension 16 35 32.55 (0.4) 16 35 32.56 16 35 32.55 16 35 32.55 (0.6) 16 35 32.56 (0.4) 16 35 32.56
Declination 00 29 54.35 (0.2) 00 29 54.42 00 29 54.40 00 29 54.35 (0.3) 00 29 54.42 (0.2) 00 29 54.40
Spectral type sdB sdB-He sdBHe SDB sdOB:
Effective temperature [K] 36077.0 (1136)
log(g) [cgs] 5.20 (0.2)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.86 (0.4) 0.33 (0.6) 0.33 (0.6) 0.86 (0.4)
Distance [pc] 1158.77 (583) 3038.59 (5238) 3038.46 (5237) 1158.75 (583)
Composition
Proper motion (right ascension) [mas/yr] -5.94641648 (0.6) -5.508 (1) -5.507516413 (1) -5.946 (0.6) -2.5
Proper motion (declination) [mas/yr] -4.046608324 (0.4) -4.076 (0.7) -4.076442379 (0.7) -4.047 (0.4) -14.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.17 (0.02) 19.17 (0.02) 19.16 19.15 (0.02) 19.18 (0.02)
g magnitude 19.40 (0.01) 19.39 (0.01) 19.41 19.39 (0.01) 19.41 (0.01)
r magnitude 19.80 (0.02) 19.80 (0.02) 19.82 19.80 (0.02) 19.83 (0.02)
i magnitude 20.07 (0.03) 20.07 (0.03) 20.08 20.06 (0.03) 20.08 (0.03)
z magnitude 20.39 (0.1) 20.39 (0.1) 20.38 20.37 (0.1) 20.39 (0.1)
G magnitude 19.60 (0.03) 19.65 (0.003) 19.65 19.60 (0.004)
BP magnitude 19.52 (0.03) 19.47 (0.04) 19.47
RP magnitude 19.86 (0.06) 19.89 (0.06) 19.89
Pan g magnitude 19.49 (0.01) 19.49 (0.01)
Pan r magnitude 19.82 (0.02) 19.82 (0.02)
Pan i magnitude 20.10 (0.01) 20.10 (0.01)
Pan z magnitude 20.31 (0.05) 20.31 (0.04)
Pan y magnitude 20.30 (0.1) 20.30 (0.1)
E(B-V) 0.091

* 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.