WD 0903+166

All names: Gaia EDR3 610906974133485056, LP 426-57, Gaia DR3 610906974133485056, WDJ090555.78+162510.30, SDSS J090555.73+162509.5, Gaia DR2 610906974133485056, SDSS J090555.74+162509.6, LSPM J0905+1625, NLTT 20947, WD 0903+166

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 09 05 55.67 (0.2) 09 05 55.68 (0.4) 09 05 55.67 09 05 55.78 (0.2) 09 05 55.68 09 05 55.49
Declination 16 25 07.81 (0.2) 16 25 07.88 (0.3) 16 25 07.81 16 25 10.31 (0.2) 16 25 07.88 16 25 21.36
Spectral type ? ? DA: DA ?
Effective temperature [K] 4858.0 4554.0 4862.0 (100)
log(g) [cgs] 8.39 8.20 8.39 (0.05)
Mass [M] 0.837 0.697 0.839 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 8.9330 7.5480
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.17 (0.3) 19.97 (0.4) 20.17 20.17 (0.3) 19.97 (0.4)
Distance [pc] 49.57 (0.7) 50.07 (1) 49.57 49.57 (0.7) 50.07 (1)
Composition
Proper motion (right ascension) [mas/yr] -93.40545202 (0.3) -93.33717377 (0.7) -93.405 (0.3) -93.33717377
Proper motion (declination) [mas/yr] -156.5315152 (0.2) -156.0518473 (0.5) -156.532 (0.2) -156.0518473
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.20
V magnitude 19.16
R magnitude 18.80
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.78 (0.1) 21.62 (0.1)
g magnitude 19.85 (0.01) 19.86 (0.01)
r magnitude 19.02 (0.01) 19.02 (0.01)
i magnitude 18.74 (0.01) 18.72 (0.01)
z magnitude 18.57 (0.03) 18.57 (0.03)
G magnitude 19.07 (0.06) 19.11 19.07 19.07 (0.004) 19.11
BP magnitude 19.51 (0.06) 19.59 19.59
RP magnitude 18.41 (0.03) 18.37 18.37
Pan g magnitude 19.71 (0.008)
Pan r magnitude 19.02 (0.005)
Pan i magnitude 18.75 (0.01)
Pan z magnitude 18.66 (0.01)
Pan y magnitude 18.63 (0.03)
E(B-V) 0.001

* 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.