SDSS J084341.50+403315.1

All names: Gaia DR2 913115166730723456, Gaia EDR3 913115166730723456, WD 0840+407, Gaia DR3 913115166730723456, GALEX J084341.5+403315, SDSS J084341.51+403315.1, SDSS J084341.50+403315.2, SDSS J084341.50+403315.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 43 41.49 (0.6) 08 43 41.51 08 43 41.49 (0.7) 08 43 41.51 (0.6) 08 43 41.50 08 43 41.35 08 43 41.50
Declination 40 33 14.89 (0.4) 40 33 15.13 40 33 14.90 (0.5) 40 33 15.13 (0.4) 40 33 15.18 40 33 09.00 40 33 15.19
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 23169.0 19695.0 (770) 19905.0 (770)
log(g) [cgs] 8.57 7.62 (0.1) 7.57 (0.1)
Mass [M] 0.98 0.458 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.1445
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] 0.95 (0.8) 1.86 (0.9) 0.95 (0.8)
Distance [pc] 1051.28 (835) 536.40 (262) 1051.30 (835)
Composition H
Proper motion (right ascension) [mas/yr] -11.83011587 (0.8) -11.45205508 (2) -11.83 (0.8) -5.1
Proper motion (declination) [mas/yr] -15.08623265 (0.8) -13.46445479 (1) -15.086 (0.8) -16.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.27 (0.05) 20.27 (0.05) 20.13 (0.05) 20.12 20.14 (0.05)
g magnitude 20.06 (0.02) 20.06 (0.02) 20.08 (0.03) 20.07 20.08 (0.03)
r magnitude 20.42 (0.03) 20.41 (0.03) 20.47 (0.04) 20.47 20.48 (0.04)
i magnitude 20.67 (0.05) 20.67 (0.05) 20.86 (0.06) 20.85 20.86 (0.06)
z magnitude 20.98 (0.2) 20.98 (0.2) 20.68 (0.2) 20.67 20.69 (0.2)
G magnitude 20.29 (0.07) 20.37 20.29 (0.007)
BP magnitude 20.22 (0.07) 20.16
RP magnitude 20.68 (0.1) 20.37
Pan g magnitude 20.20 (0.02)
Pan r magnitude 20.47 (0.03)
Pan i magnitude 20.81 (0.02)
Pan z magnitude 20.79 (0.2)
Pan y magnitude
E(B-V) 0.028

* 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.