2QZ J102743.6-002922

All names: WD 1025-002, 2QZ J102743.6-002922, SDSS J102743.67-002920.8, PSO J102743.678+002920.793, Gaia DR2 3782979122410732032, SDSS J102743.67-002920.87

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 10 27 43.67 (0.5) 10 27 43.68 10 27 43.68
Declination -00 29 20.94 (0.4) -00 29 20.87 -00 29 21.08
Spectral type DA DA DA3.0
Effective temperature [K] 16105.0 20654.0 (188)
log(g) [cgs] 6.95 8.00 (0.03)
Mass [M☉] 0.243 0.624 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0453
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] 1.11 (0.6)
Distance [pc] 899.58 (453)
Composition H
Proper motion (right ascension) [mas/yr] -9.0696500155 (0.8) -6.0
Proper motion (declination) [mas/yr] -3.7775823578 (0.8) -1.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.35
V magnitude 19.30
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.26 (0.02) 19.25 (0.02) 19.26
g magnitude 19.15 (0.02) 19.13 (0.01) 19.14
r magnitude 19.50 (0.02) 19.50 (0.01) 19.50
i magnitude 19.76 (0.03) 19.76 (0.02) 19.75
z magnitude 20.19 (0.1) 20.20 (0.1) 20.18
G magnitude 19.40
BP magnitude 19.26
RP magnitude 19.44
Pan g magnitude 19.18 (0.01)
Pan r magnitude 19.56 (0.02)
Pan i magnitude 19.81 (0.02)
Pan z magnitude 20.04 (0.02)
Pan y magnitude 20.22 (0.01)

* 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.