WD 0854-256

All names: Gaia DR3 5649595312531556992, USNO-B1.0 0641-00214731, Gaia DR2 5649595312531556992, Ruiz 496-359, Gaia EDR3 5649595312531556992, GALEX J085641.3-254843, WD 0854-256

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 56 41.36 (0.04) 08 56 41.36 (0.06) 08 56 41.36 08 56 41.42 (0.04) 08 56 41.54
Declination -25 48 42.50 (0.04) -25 48 42.52 (0.07) -25 48 42.50 -25 48 43.39 (0.04) -25 48 41.04
Spectral type DA DA DA
Effective temperature [K] 13260.0 (152)
log(g) [cgs] 7.94 (0.01)
Mass [M☉] 0.576 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 9.60 (0.06) 9.59 (0.08) 9.60 9.60 (0.06)
Distance [pc] 104.17 (0.7) 104.22 (0.8) 104.17 104.17 (0.7)
Composition
Proper motion (right ascension) [mas/yr] -54.30505391 (0.06) -54.25342796 (0.1) -54.305 (0.06)
Proper motion (declination) [mas/yr] 55.66636495 (0.05) 55.59944756 (0.1) 55.666 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 16.62
V magnitude 16.51
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.56 (0.004) 16.58 16.56 16.56 (0.003)
BP magnitude 16.55 (0.004) 16.55
RP magnitude 16.58 (0.007) 16.59
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.002

* 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.