All names: USNO-B1.0 0313-00077299, ** LDS 216A, L 186-119, WD 0820-585, 2MASS J08214734-5841281, L186-119, Gaia DR2 5314638406622411136
Parameter | Unit | Gianninas et al. 2011 | Simbad | Gaia DR2 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|
Right ascension | 08 21 46.01 | 08 21 55.06 (0.06) | 08 21 46.34 | ||
Declination | -58 41 42.00 | -58 41 42.82 (0.07) | -58 41 39.48 | ||
Spectral type | DA | DA5.5 | DA | ||
Effective temperature | [K] | 9180.0 (132) | |||
log(g) | [cgs] | 8.09 (0.06) | |||
Mass | [M☉] | 0.65 (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] | 0.14 (0.07) | |||
Distance | [pc] | 61.00 | 7027.41 (3630) | ||
Composition | H | ||||
Proper motion (right ascension) | [mas/yr] | -1.695 (0.1) | |||
Proper motion (declination) | [mas/yr] | 4.975 (0.1) | |||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | yes | ||||
B magnitude | |||||
V magnitude | 16.59 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 17.13 | ||||
BP magnitude | 17.48 | ||||
RP magnitude | 16.59 | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude |
* 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.