All names: LDS 275B, LDS 275AB, GEN# +6.00103537J, EGGR 66, Gaia DR2 5436014972680358272, LAWD 31, L 462-56, WDS J09370-3721AB, WDJ093659.94-372126.91, ** LDS 275AB
Parameter | Unit | Gaia DR2 | Bergeron et al. 1997 | Simbad | Gentile Fusillo et al. 2018 | Wegner 1983 |
---|---|---|---|---|---|---|
Right ascension | 09 36 59.50 (0.02) | 09 36 59.78 | 09 36 59.50 | |||
Declination | -37 21 24.10 (0.02) | -37 21 30.71 | -37 21 24.10 | |||
Spectral type | DQ6+DA6 | |||||
Effective temperature | [K] | 8340.0 (230) | 8000.0 | |||
log(g) | [cgs] | 7.50 (0) | 7.50 (0.5) | |||
Mass | [M☉] | 0.35 | ||||
log(Luminosity) | [L☉] | -2.88 | ||||
Cooling age | [Gyr] | 0.5900 | ||||
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] | 38.08 (0.03) | 38.08 (0.03) | |||
Distance | [pc] | 26.26 (0.02) | 26.26 (0.02) | |||
Composition | H | |||||
Proper motion (right ascension) | [mas/yr] | -339.4270543 (0.04) | -339.4270543 | |||
Proper motion (declination) | [mas/yr] | 181.4050017 (0.05) | 181.4050017 | |||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | 15.40 | |||||
V magnitude | 15.18 | |||||
R magnitude | 15.01 | |||||
I magnitude | 14.83 | |||||
J magnitude | 14.76 | |||||
H magnitude | 14.62 | |||||
K magnitude | 14.65 | |||||
u magnitude | ||||||
g magnitude | ||||||
r magnitude | ||||||
i magnitude | ||||||
z magnitude | ||||||
G magnitude | 15.16 | 15.16 | ||||
BP magnitude | 15.27 | 15.27 | ||||
RP magnitude | 14.90 | 14.90 | ||||
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.