SDSS J105604.14+045634.2

All names: SDSS J105604.14+045634.1, SDSS J105604.14+045634.2, Gaia EDR3 3816070642835899136, SDSS J105604.14+045634.13, Gaia DR2 3816070642835899136, Gaia DR3 3816070642835899136

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 10 56 04.15 (0.1) 10 56 04.15 10 56 04.15 (0.2) 10 56 04.15 10 56 04.15 (0.1)
Declination 04 56 34.02 (0.1) 04 56 34.25 04 56 34.03 (0.2) 04 56 34.02 04 56 34.26 (0.1)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 16403.0 17124.0 14356.0 16694.0 (54) 16856.0 (64) 15838.0 (1290)
log(g) [cgs] 8.11 8.01 7.77 8.11 (0.04) 8.05 (0.04) 7.99 (0.1)
Mass [M] 0.659 0.601 0.467 0.633 (0.02) 0.584 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.1627
log(H/He) -4.323 -4.12 (0.1)
log(C/He)
log(Ca/He) <-6.53
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] 3.76 (0.2) 3.55 (0.2) 3.76 3.76 (0.2)
Distance [pc] 266.26 (11) 282.04 (19) 254.00 266.26 266.26 (11)
Composition He
Proper motion (right ascension) [mas/yr] 4.413278676 (0.2) 3.690337668 (0.4) 4.413 (0.2)
Proper motion (declination) [mas/yr] -14.98561123 (0.1) -14.71561139 (0.3) -14.986 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.68 (0.08)
H magnitude
K magnitude
u magnitude 18.10 (0.01) 18.10 (0.01) 18.10 (0.01)
g magnitude 18.15 (0.006) 18.15 (0.01) 18.15 (0.006)
r magnitude 18.47 (0.008) 18.47 (0.01) 18.47 (0.008)
i magnitude 18.69 (0.01) 18.69 (0.01) 18.70 (0.01)
z magnitude 18.96 (0.04) 18.96 (0.04) 18.96 (0.04)
G magnitude 18.29 (0.02) 18.32 18.29 18.29 (0.004)
BP magnitude 18.25 (0.02) 18.15
RP magnitude 18.37 (0.03) 18.36
Pan g magnitude 18.20 (0.01)
Pan r magnitude 18.45 (0.008)
Pan i magnitude 18.72 (0.006)
Pan z magnitude 18.91 (0.008)
Pan y magnitude 19.07 (0.02)
E(B-V) 0.023

* 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.