2MASS J08384586+1914167

All names: TIC 175231643, SDSS J083845.87+191416.5, [HHD2009] SDSS J0838+1914, Gaia DR2 661256399005907456, WIRED J083845.86+191416.5, EPIC 211934173, Gaia EDR3 661256399005907456, Gaia DR3 661256399005907456, 2MASS J08384586+1914167, SDSS J083845.86+191416.6, SDSS J083845.86+191416.5, WD 0835+194

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 38 45.87 (0.1) 08 38 45.86 08 38 45.87 (0.2) 08 38 45.86 08 38 45.87 08 38 45.87 (0.1) 08 38 45.86 08 38 45.87
Declination 19 14 16.05 (0.09) 19 14 16.62 19 14 16.07 (0.1) 19 14 16.51 19 14 16.05 19 14 16.78 (0.09) 19 14 12.84 19 14 16.53
Spectral type DA+M DA+M DA DA+M DA3.4 DA+M DA+MS
Effective temperature [K] 8698.0 13904.0 (424) 11000.0 (72)
log(g) [cgs] 6.76 7.56 (0.09) 7.90 (0.06)
Mass [M] 0.163 0.39 (0.04)
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] 2.97 (0.2) 3.51 (0.3) 2.97 2.97 (0.2)
Distance [pc] 336.92 (20) 284.62 (24) 542.00 (324) 336.92 336.92 (20)
Composition H
Proper motion (right ascension) [mas/yr] 7.926178312 (0.2) 8.676858485 (0.4) 7.926 (0.2)
Proper motion (declination) [mas/yr] -46.05490896 (0.1) -46.17475046 (0.3) -46.055 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS yes WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.67 (0.1)
H magnitude 16.51 (0.02)
K magnitude 16.21 (0.03)
u magnitude 18.80 (0.02) 18.55 18.80 (0.02) 18.54 18.54 (0.03)
g magnitude 18.18 (0.006) 18.19 18.17 (0.006) 18.18 18.18 (0.02)
r magnitude 21.30 (0.05) 18.36 21.30 (0.05) 18.35 18.36 (0.02)
i magnitude 19.60 (0.02) 18.28 19.60 (0.02) 18.27 18.29 (0.02)
z magnitude 18.02 (0.02) 18.00 18.02 (0.02) 17.99 18.02 (0.03)
G magnitude 18.17 (0.02) 18.19 18.17 18.17 (0.003)
BP magnitude 18.27 (0.02) 18.26
RP magnitude 17.90 (0.02) 17.89
Pan g magnitude 18.20 (0.006)
Pan r magnitude 18.39 (0.007)
Pan i magnitude 18.29 (0.004)
Pan z magnitude 18.08 (0.02)
Pan y magnitude 17.92 (0.009)
E(B-V) 0.021

* 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.