Gaia DR2 908455372028740608

All names: WDJ081753.32+391622.97, Gaia DR2 908455372028740608, SDSS J081753.29+391622.9, Gaia DR3 908455372028740608, Gaia EDR3 908455372028740608

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Simbad Gentile Fusillo et al. 2018
Right ascension 08 17 53.19 (0.5) 08 17 53.20 08 17 53.31 (0.5) 08 17 53.20
Declination 39 16 22.22 (0.5) 39 16 22.24 39 16 22.98 (0.5) 39 16 22.24
Spectral type CND
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.47 (0.7) 10.50 (0.7) 10.47 (0.7) 10.50 (0.7)
Distance [pc] 95.48 (6) 95.22 (7) 95.48 (6) 95.22 (7)
Composition
Proper motion (right ascension) [mas/yr] -89.40632299 (0.6) -90.60562227 (1) -89.406 (0.6) -90.60562227
Proper motion (declination) [mas/yr] -47.5653031 (0.6) -47.0860683 (0.8) -47.565 (0.6) -47.0860683
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.79 (0.1) 21.54 (0.1)
g magnitude 20.51 (0.02) 20.47 (0.02)
r magnitude 19.89 (0.02) 19.94 (0.02)
i magnitude 19.71 (0.02) 19.77 (0.02)
z magnitude 19.62 (0.06) 19.53 (0.06)
G magnitude 19.97 (0.1) 20.03 19.97 (0.006) 20.03
BP magnitude 20.56 (0.1) 20.60 20.60
RP magnitude 19.39 (0.08) 19.42 19.42
Pan g magnitude 20.44 (0.02)
Pan r magnitude 19.94 (0.03)
Pan i magnitude 19.74 (0.01)
Pan z magnitude 19.69 (0.04)
Pan y magnitude 19.51 (0.08)
E(B-V) 0.003

* 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.