SDSS J171227.50+335626.0

All names: SDSS J171227.50+335626.05, Gaia EDR3 1335062890013116544, SDSS J171227.50+335626.0, Gaia DR2 1335062890013116544

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD HE Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 17 12 27.49 (0.2) 17 12 27.49 17 12 27.49 (0.2) 17 12 27.50
Declination 33 56 26.11 (0.2) 33 56 26.08 33 56 26.11 (0.2) 33 56 26.02
Spectral type B/sdB B/sdB B/sdB
Effective temperature [K] 17294.0 28106.0 (481)
log(g) [cgs] 6.00 5.04 (0.1)
Mass [M☉] 0.105
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.34 (0.2) -0.48 (0.2)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -2.241286758 (0.2) -1.982402788 (0.4)
Proper motion (declination) [mas/yr] 0.363806413 (0.2) 0.952512838 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.03 (0.02) 19.03 (0.02) 19.03 (0.02)
g magnitude 19.15 (0.01) 19.18 (0.02) 19.18 (0.02)
r magnitude 19.55 (0.02) 19.54 (0.02) 19.54 (0.02)
i magnitude 19.79 (0.03) 19.78 (0.03) 19.78 (0.03)
z magnitude 19.95 (0.09) 19.91 (0.08) 19.91 (0.08)
G magnitude 19.34 (0.03) 19.38
BP magnitude 19.31 (0.03) 19.22
RP magnitude 19.45 (0.07) 19.50
Pan g magnitude 19.20 (0.008)
Pan r magnitude 19.58 (0.007)
Pan i magnitude 19.83 (0.008)
Pan z magnitude 20.05 (0.03)
Pan y magnitude 20.12 (0.09)
E(B-V)

* 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.