SDSS J173806.51+451701.6

All names: SDSSJ173806.51+451701.7, SDSS J173806.51+451701.7, SDSS J173806.51+451701.6, Gaia DR2 1350338787309654400, Gaia DR3 1350338787309654400

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 17 38 06.51 17 38 06.52 (0.05)
Declination 45 17 01.70 45 17 01.69 (0.06)
Spectral type sdB sdB
Effective temperature [K] 30500.0 (500)
log(g) [cgs] 5.40 (0.08)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.16 (0.08) 0.23 (0.06)
Distance [pc] 6246.10 (3211) 4361.10 (1134)
Composition
Proper motion (right ascension) [mas/yr] -8.189 (0.2) -8.278 (0.07)
Proper motion (declination) [mas/yr] -2.168 (0.2) -1.85 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.03 (0.008) 17.03 (0.008)
g magnitude 17.13 (0.005) 17.13 (0.005)
r magnitude 17.54 (0.006) 17.54 (0.006)
i magnitude 17.77 (0.007) 17.77 (0.007)
z magnitude 17.89 (0.02) 17.89 (0.02)
G magnitude 17.34 (0.002) 17.31 (0.003)
BP magnitude 17.18 (0.009)
RP magnitude 17.46 (0.009)
Pan g magnitude 17.19 (0.007)
Pan r magnitude 17.54 (0.004)
Pan i magnitude 17.78 (0.003)
Pan z magnitude 17.94 (0.005)
Pan y magnitude 18.05 (0.01)
E(B-V) 0.031

* Constant surface field

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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.