All names: FBS 1814+381, TIC 76304365, GALEX J181630.9+380937, 2MASS J18163096+3809377, UCAC4 641-058952, Gaia DR3 2108922542562477312, LAMOST J181630.96+380937.7, FBS B 168, Gaia DR2 2108922542562477312, WISEA J181630.96+380937.8, WISE J181630.96+380937.8
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 18 16 30.96 (0.02) | |
Declination | 38 09 37.81 (0.02) | |
Spectral type | DZ | |
Effective temperature | [K] | |
log(g) | [cgs] | |
Mass | [M☉] | |
log(Luminosity) | [L☉] | |
Cooling age | [Gyr] | |
log(H/He) | ||
log(C/He) | ||
log(Ca/He) | ||
log(Ca/H) | ||
Parallax | [mas] | |
Distance | [pc] | |
Composition | ||
Proper motion (right ascension) | [mas/yr] | 0.041 (0.02) |
Proper motion (declination) | [mas/yr] | 0.03 (0.03) |
Variability | ||
Magnetic | ||
Bd | [MG] | |
Infrared excess (disk) | ||
Binarity | ||
B magnitude | ||
V magnitude | ||
R magnitude | 15.38 (0.06) | |
I magnitude | ||
J magnitude | 14.35 (0.03) | |
H magnitude | 13.92 (0.03) | |
K magnitude | 13.48 (0.04) | |
u magnitude | ||
g magnitude | ||
r magnitude | ||
i magnitude | ||
z magnitude | ||
G magnitude | 14.88 (0.003) | |
BP magnitude | ||
RP magnitude | ||
Pan g magnitude | ||
Pan r magnitude | ||
Pan i magnitude | ||
Pan z magnitude | ||
Pan y magnitude | ||
E(B-V) |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.