HS 1747+8014

All names: Gaia DR3 1706750635415036288, USNO-B1.0 1702-00059117, HS1747+8014, Gaia DR2 1706750635415036288, GALEX J174309.2+801303, HS 1747+8014, Gaia EDR3 1706750635415036288

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 17 43 09.25 (0.04) 17 43 09.31 17 43 09.24 (0.04)
Declination 80 13 03.99 (0.04) 80 13 04.37 80 13 04.06 (0.04)
Spectral type sdB sdB
Effective temperature [K] 32800.0 (1000)
log(g) [cgs] 5.75 (0.3)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.37 (0.04) 0.32 (0.06) 0.37 (0.04)
Distance [pc] 2714.44 (312) 3125.98 (584) 2714.44 (312)
Composition
Proper motion (right ascension) [mas/yr] 1.707 (0.05) 1.637 (0.09) 1.707 (0.05)
Proper motion (declination) [mas/yr] -4.773 (0.05) -4.594 (0.1) -4.773 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.50
V magnitude
R magnitude 16.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.37 (0.003) 16.40 (0.002) 16.37 (0.003)
BP magnitude 16.25 (0.005) 16.18 (0.01)
RP magnitude 16.62 (0.01) 16.59 (0.01)
Pan g magnitude 16.25 (0.005)
Pan r magnitude 16.62 (0.002)
Pan i magnitude 16.93 (0.002)
Pan z magnitude 17.18 (0.005)
Pan y magnitude 17.38 (0.02)
E(B-V) 0.060

* Constant surface field

Special notes:

Spectra

Flux4,0005,0006,0007,0008,000Wavelength (Å)No spectrum available

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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.