SDSS J131826.41+503357.7

All names: [HHD2009] SDSS J1318+5033, WIRED J131826.41+503357.6, SDSS J131826.41+503357.6, SDSS J131826.42+503357.7, SDSS J131826.42+503357.6, WD 1316+508, Gaia EDR3 1556617373524823936, SDSS J131826.41+503357.7, Gaia DR2 1556617373524198016, Gaia DR3 1556617373524823936

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 18 26.40 (0.1) 13 18 26.42 13 18 26.40 (0.2) 13 18 26.41 13 18 26.42 (0.1) 13 18 25.73 13 18 26.42
Declination 50 33 57.60 (0.1) 50 33 57.72 50 33 57.61 (0.1) 50 33 57.60 50 33 57.75 (0.1) 50 33 50.76 50 33 57.67
Spectral type DA+M DA+M DA+M DA4.2 DA+M DA+MS
Effective temperature [K] 7344.0 11835.0 (474) 9720.0 (77)
log(g) [cgs] 6.26 7.95 (0.2) 7.64 (0.1)
Mass [M] 0.064 0.58 (0.1)
log(Luminosity) [L]
Cooling age [Gyr]
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] 2.85 (0.2) 2.94 (0.2) 2.85 (0.2)
Distance [pc] 350.61 (19) 340.19 (23) 350.61 (19)
Composition H
Proper motion (right ascension) [mas/yr] -10.21538953 (0.1) -10.69132906 (0.3) -10.215 (0.1)
Proper motion (declination) [mas/yr] -9.259288217 (0.2) -8.801336748 (0.3) -9.259 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS yes WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.52 (0.03) 19.54 19.54 (0.03) 19.53 19.54 (0.03)
g magnitude 19.01 (0.009) 19.01 19.00 (0.01) 19.01 19.01 (0.02)
r magnitude 19.17 (0.01) 19.18 19.18 (0.01) 19.18 19.19 (0.03)
i magnitude 18.86 (0.01) 18.86 18.86 (0.01) 18.85 18.85 (0.02)
z magnitude 18.27 (0.02) 18.31 18.28 (0.02) 18.30 18.27 (0.03)
G magnitude 18.90 (0.02) 18.92 18.90 (0.003)
BP magnitude 19.17 (0.02) 19.15
RP magnitude 18.45 (0.02) 18.42
Pan g magnitude 19.05 (0.01)
Pan r magnitude 19.16 (0.008)
Pan i magnitude 18.90 (0.007)
Pan z magnitude 18.45 (0.01)
Pan y magnitude 18.15 (0.02)
E(B-V) 0.019

* 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.