GALEX J063952.0+515658

All names: GALEX J063952.0+515658, 2MASS J06395217+5157013, Gaia EDR3 992534888766785024, GALEXJ063952.00+515658.00, Gaia DR2 992534888766785024, LAMOST J063952.15+515700.9, [VKN2011] J063952.1+515658, TYC 3389-882-1, TIC 355754830, Gaia DR3 992534888766785024

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 06 39 52.14 (0.04) 06 39 52.00 06 39 52.18 (0.04)
Declination 51 57 00.86 (0.04) 51 56 58.00 51 57 01.26 (0.04)
Spectral type sdB sdBHe1
Effective temperature [K] 30400.0 (340)
log(g) [cgs] 5.58 (0.1)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.03 (0.05) 2.93 (0.07) 3.03 (0.05)
Distance [pc] 330.39 (5) 341.61 (8) 330.39 (5)
Composition
Proper motion (right ascension) [mas/yr] -25.59 (0.05) -25.477 (0.1) -25.59 (0.05)
Proper motion (declination) [mas/yr] -25.165 (0.05) -25.157 (0.1) -25.165 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 11.84 (0.09)
V magnitude 12.00 (0.2)
R magnitude
I magnitude
J magnitude 12.52 (0.02) 12.52 (0.02)
H magnitude 12.67 (0.04) 12.67 (0.04)
K magnitude 12.74 (0.03) 12.74 (0.03)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 11.94 (0.003) 11.96 (0.0008) 11.94 (0.003)
BP magnitude 11.81 (0.003) 11.74 (0.01)
RP magnitude 12.19 (0.004) 12.19 (0.003)
Pan g magnitude 11.73
Pan r magnitude 12.18
Pan i magnitude 12.52
Pan z magnitude 12.80
Pan y magnitude 12.97 (0.008)
E(B-V) 0.047

* 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.