SDSS J220435.05+001242.9

All names: WD 2202-000, SDSS J220435.05+001242.9, Gaia EDR3 2680458852864638720, Gaia DR2 2680458852864638720, Gaia DR3 2680458852864638720

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 22 04 35.07 (0.4) 22 04 35.05 22 04 35.07 (0.7) 22 04 35.05 22 04 35.05 (0.7) 22 04 35.05 22 04 34.73 22 04 35.05
Declination 00 12 42.82 (0.4) 00 12 42.98 00 12 42.82 (0.5) 00 12 42.91 00 12 42.94 (0.5) 00 12 42.95 00 12 47.16 00 12 42.95
Spectral type DA DA DA DAH DA DA_auto DA DAH DA
Effective temperature [K] 10073.5 (193) 10074.0 22000.0 10407.0 (155) 10426.0 (183)
log(g) [cgs] 8.74 (0.1) 8.76 8.00 (0) 8.90 (0.1) 8.98 (0.2)
Mass [M] 1.0684824077321384 (1) 1.078
log(Luminosity) [L]
Cooling age [Gyr] 2.1900
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] 7.07 (0.4) 6.57 (0.8) 6.57 (0.8)
Distance [pc] 141.43 (9) 152.26 (18) 152.26 (18)
Composition H H
Proper motion (right ascension) [mas/yr] 22.11200886 (0.5) 22.15384531 (0.9) 22.154 (0.9) 24.4
Proper motion (declination) [mas/yr] -9.271859312 (0.5) -7.575601443 (0.9) -7.576 (0.9) -5.8
Variability
Magnetic yes yes
Bd [MG] 1.02 (0.1) 1.02 (0.1)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.67 (0.03) 19.67 (0.03) 19.64 (0.04) 19.37 19.61 (0.04)
g magnitude 19.32 (0.01) 19.32 (0.01) 19.38 (0.02) 19.37 19.35 (0.02)
r magnitude 19.40 (0.01) 19.40 (0.01) 19.47 (0.02) 19.43 (0.02)
i magnitude 19.52 (0.02) 19.52 (0.02) 19.54 (0.02) 19.51 (0.02)
z magnitude 19.69 (0.08) 19.69 (0.08) 19.73 (0.08) 19.70 (0.08)
G magnitude 19.34 (0.07) 19.39 19.39 (0.007)
BP magnitude 19.51 (0.07) 19.13
RP magnitude 19.39 (0.08) 19.27
Pan g magnitude 19.36 (0.01)
Pan r magnitude 19.43 (0.009)
Pan i magnitude 19.57 (0.007)
Pan z magnitude 19.72 (0.03)
Pan y magnitude 19.69 (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.