HS 1517+7403

All names: USNO-B1.0 1638-00087769, WD 1517+740, GALEX J151646.2+735206, Gaia DR2 1697669356564165632, FBS 1517+740, HS 1517+7403, FBS B 1025, Gaia DR3 1697669356564165632, Gaia EDR3 1697669356564165632

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Werner & Herwig 2006 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 16 46.38 (0.06) 15 16 46.39 (0.08) 15 16 46.38 15 16 46.43 (0.06) 15 16 45.79
Declination 73 52 07.14 (0.05) 73 52 07.13 (0.06) 73 52 07.14 73 52 06.95 (0.05) 73 52 05.88
Spectral type PG1159 DO DO DO.5
Effective temperature [K] 110000.0 118979.0 (79405)
log(g) [cgs] 7.00 7.58
Mass [M☉] 0.57 0.631 (2)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He) -0.8239087409
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.32 (0.06) 1.31 (0.07) 1.32 1.32 (0.06)
Distance [pc] 757.95 (35) 763.89 (44) 757.95 757.92 (35)
Composition
Proper motion (right ascension) [mas/yr] -10.72298077 (0.07) -10.44242364 (0.1) -10.723 (0.07)
Proper motion (declination) [mas/yr] 11.42934214 (0.07) 11.22226598 (0.1) 11.429 (0.07)
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.40
V magnitude
R magnitude 16.90
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.63 (0.005) 16.65 16.63 16.63 (0.003)
BP magnitude 16.43 (0.005) 16.39
RP magnitude 17.00 (0.01) 17.01
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.024

* 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.