All names: WD 1151+795, USNO-B1.0 1692-00045726, LP 19-411, WDJ115443.45+791432.46, WD 1152+795, PSO J115442.913+791429.678, LSPM J1154+7914, NLTT 28920, 2MASS J11544342+7914330, Gaia DR2 1143349912291035904
Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | Kawka et Vennes 2006 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|
Right ascension | 11 54 42.72 (0.06) | 11 54 43.43 | 11 54 42.72 | 11 54 45.02 | ||||
Declination | 79 14 28.59 (0.04) | 79 14 33.00 | 79 14 28.59 | 79 14 42.36 | ||||
Spectral type | DA | DA | DA | DA4.7 | ||||
Effective temperature | [K] | 10237.0 | 10810.0 (100) | |||||
log(g) | [cgs] | 7.91 | 8.23 (0.07) | |||||
Mass | [M☉] | 0.5489999999999999 | 0.74 (0.04) | |||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | 0.5062 | ||||||
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] | 16.88 (0.05) | 16.88 (0.05) | |||||
Distance | [pc] | 59.25 (0.2) | 52.00 | 59.25 (0.2) | ||||
Composition | H | |||||||
Proper motion (right ascension) | [mas/yr] | -132.6572366 (0.1) | -139.0 | -132.6572366 | ||||
Proper motion (declination) | [mas/yr] | -249.8548756 (0.08) | -249.0 | -249.8548756 | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | 15.80 | |||||||
V magnitude | 15.90 | |||||||
R magnitude | 15.80 | |||||||
I magnitude | 15.70 | |||||||
J magnitude | 15.68 | |||||||
H magnitude | 15.66 | |||||||
K magnitude | 15.86 | |||||||
u magnitude | ||||||||
g magnitude | ||||||||
r magnitude | ||||||||
i magnitude | ||||||||
z magnitude | ||||||||
G magnitude | 15.84 | 15.84 | ||||||
BP magnitude | 15.86 | 15.86 | ||||||
RP magnitude | 15.77 | 15.77 | ||||||
Pan g magnitude | 15.82 (0.004) | |||||||
Pan r magnitude | 15.90 (0.004) | |||||||
Pan i magnitude | 16.06 (0.008) | |||||||
Pan z magnitude | 16.25 (0.004) | |||||||
Pan y magnitude | 16.38 (0.02) |
* Constant surface field
Spectra without link are available upon request
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.