SDSS J093429.98+565533.4

All names: Gaia EDR3 1025060156406334336, SDSS J093429.98+565533.50, SDSS J093429.98+565533.4, Gaia DR3 1025060156406334336, Gaia DR2 1025060156406334336, GALEX J093429.9+565534, SDSS J093429.98+565533.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 Kleinman et al. 2013
Right ascension 09 34 30.00 (0.5) 09 34 29.98 09 34 30.00 (1) 09 34 29.98 (0.5) 09 34 29.98 09 34 29.98
Declination 56 55 33.41 (0.4) 56 55 33.47 56 55 33.41 (0.8) 56 55 33.43 (0.4) 56 55 33.48 56 55 33.47
Spectral type DB DB SDB+M: DB
Effective temperature [K] 13950.0 13096.0 10814.0 13759.0 (530) 13397.0 (605)
log(g) [cgs] 7.87 7.08 6.67 7.48 (0.4) 7.75 (0.6)
Mass [M] 0.516 0.233 0.145 0.455 (0.3)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) <-5.994
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 1.39 (0.7) 0.95 (1) 1.39 (0.7)
Distance [pc] 718.21 (337) 1054.00 (1086) 718.18 (337)
Composition He
Proper motion (right ascension) [mas/yr] 10.13866068 (0.6) 8.801584113 (3) 10.139 (0.6) 7.2
Proper motion (declination) [mas/yr] -1.16426322 (0.6) -1.041117867 (2) -1.164 (0.6) -2.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.43 (0.05) 20.42 (0.05) 20.38 (0.06) 20.37 (0.05)
g magnitude 20.35 (0.02) 20.35 (0.03) 20.36 (0.03) 20.37 (0.03)
r magnitude 20.60 (0.04) 20.60 (0.04) 20.61 (0.04) 20.61 (0.04)
i magnitude 20.75 (0.06) 20.74 (0.07) 20.76 (0.07) 20.76 (0.07)
z magnitude 20.68 (0.2) 20.61 (0.2) 20.63 (0.2) 20.63 (0.2)
G magnitude 20.41 (0.06) 20.49 20.41 (0.006)
BP magnitude 20.55 (0.06) 20.28
RP magnitude 20.10 (0.1) 20.30
Pan g magnitude 20.35 (0.02)
Pan r magnitude 20.56 (0.02)
Pan i magnitude 20.74 (0.03)
Pan z magnitude 20.94 (0.06)
Pan y magnitude
E(B-V) 0.026

* 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.