SDSS J075033.04+181502.5

All names: SDSS J075033.04+181502.5, Gaia DR2 668562615114621056, PSO J075033.030+181502.476

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 SDSS DR12 Simbad Kleinman et al. 2013
Right ascension 07 50 33.03 (0.3) 07 50 33.04 07 50 33.04 07 50 33.04
Declination 18 15 02.40 (0.2) 18 15 02.50 18 15 02.52 18 15 02.52
Spectral type DA DA DA
Effective temperature [K] 11970.0 12587.0 (129)
log(g) [cgs] 7.75 8.05 (0.05)
Mass [M] 0.47100000000000003 0.634 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.2729
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] 2.82 (0.4)
Distance [pc] 354.43 (55)
Composition H
Proper motion (right ascension) [mas/yr] -5.699239197 (0.7)
Proper motion (declination) [mas/yr] -10.94744755 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.41 (0.03) 19.46 19.46 (0.03)
g magnitude 19.00 (0.009) 19.02 19.02 (0.01)
r magnitude 19.21 (0.01) 19.25 19.25 (0.02)
i magnitude 19.44 (0.02) 19.48 19.48 (0.03)
z magnitude 19.63 (0.06) 19.76 19.76 (0.1)
G magnitude 19.15
BP magnitude 19.09
RP magnitude 19.15
Pan g magnitude 19.01 (0.003)
Pan r magnitude 19.23 (0.005)
Pan i magnitude 19.46 (0.01)
Pan z magnitude 19.63 (0.02)
Pan y magnitude 19.75 (0.07)

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:

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 at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.