SDSS J105404.39+593333.4

All names: SDSS J105404.39+593333.4, Gaia DR3 861346998199114240, Gaia DR2 861346998199114240, SDSS J105404.37+593333.1, WD 1050+598, GALEX J105404.3+593333, SDSS J105404.38+593333.3, Gaia EDR3 861346998199114240

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 54 04.27 (0.3) 10 54 04.39 10 54 04.27 (0.5) 10 54 04.38 10 54 04.39 (0.3) 10 54 04.39 10 54 03.91 10 54 04.38
Declination 59 33 32.87 (0.4) 59 33 33.34 59 33 32.88 (0.5) 59 33 33.30 59 33 33.27 (0.4) 59 33 33.47 59 33 31.32 59 33 33.34
Spectral type DAH DA DA DAH DA_H DA_H: DAP5.3 DAH DAH
Effective temperature [K] 10703.9 (383) 10617.0 9500.0 10165.0 (103) 9313.0 (382)
log(g) [cgs] 8.30 (0.2) 8.30 8.00 (0) 7.97 (0.6) 9.93 (0.08)
Mass [M] 0.7880197587140809 (0.3) 0.792
log(Luminosity) [L]
Cooling age [Gyr] 0.8158
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 3.77 (0.5) 2.81 (0.6) 3.77 (0.5)
Distance [pc] 265.50 (35) 355.93 (82) 265.50 (35)
Composition H H
Proper motion (right ascension) [mas/yr] -58.5921114 (0.5) -58.20155667 (1) -58.592 (0.5) -56.4
Proper motion (declination) [mas/yr] -25.25766355 (0.5) -25.23089482 (1) -25.258 (0.5) -27.8
Variability
Magnetic yes yes yes yes
Bd [MG] 16.80962562534821 17.41 (8) 17.41 (8)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.62 (0.06) 20.62 (0.06) 20.63 (0.06) 20.58 20.65 (0.06)
g magnitude 20.28 (0.02) 20.28 (0.02) 20.25 (0.03) 20.23 20.27 (0.03)
r magnitude 20.29 (0.03) 20.29 (0.03) 20.28 (0.03) 20.28 20.29 (0.03)
i magnitude 20.50 (0.06) 20.50 (0.06) 20.45 (0.06) 20.45 20.47 (0.06)
z magnitude 20.44 (0.2) 20.43 (0.2) 20.39 (0.2) 20.40 20.43 (0.2)
G magnitude 20.26 (0.06) 20.32 20.26 (0.005)
BP magnitude 20.36 (0.06) 20.35
RP magnitude 20.06 (0.08) 20.00
Pan g magnitude 20.19 (0.02)
Pan r magnitude 20.30 (0.02)
Pan i magnitude 20.46 (0.02)
Pan z magnitude 20.67 (0.04)
Pan y magnitude 20.17 (0.2)
E(B-V) 0.018

* 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.