All names: Gaia DR3 843874006087432960, SDSS J111806.76+544512.0, Gaia EDR3 843874006087432960, GALEX J111806.7+544510, SDSS J111806.76+544512.07, Gaia DR2 843874006087432960
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|---|---|
Right ascension | 11 18 06.74 (0.6) | 11 18 06.76 | 11 18 06.74 (1) | 11 18 06.77 (0.6) | ||||
Declination | 54 45 11.61 (0.7) | 54 45 11.80 | 54 45 11.62 (1) | 54 45 11.88 (0.7) | ||||
Spectral type | DA: | DA: | DA | |||||
Effective temperature | [K] | 8670.0 | 12864.0 (1000) | |||||
log(g) | [cgs] | 8.41 | 10.00 (1) | |||||
Mass | [M☉] | 0.857 | 1.394 (0.9) | |||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | 1.8030 | ||||||
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] | -0.76 (1) | -3.07 (2) | |||||
Distance | [pc] | |||||||
Composition | H | |||||||
Proper motion (right ascension) | [mas/yr] | -17.49942412 (1) | -14.63994108 (3) | -17.499 (1) | ||||
Proper motion (declination) | [mas/yr] | -16.6452732 (2) | -13.14773001 (2) | -16.645 (2) | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | ||||||||
H magnitude | ||||||||
K magnitude | ||||||||
u magnitude | 21.48 (0.1) | 21.41 (0.1) | 21.41 (0.1) | |||||
g magnitude | 20.90 (0.03) | 20.92 (0.03) | 20.92 (0.03) | |||||
r magnitude | 20.90 (0.04) | 20.93 (0.04) | 20.93 (0.04) | |||||
i magnitude | 20.97 (0.06) | 20.98 (0.06) | 20.98 (0.06) | |||||
z magnitude | 21.09 (0.2) | 21.09 (0.2) | 21.09 (0.2) | |||||
G magnitude | 20.88 (0.1) | 20.97 | 20.88 (0.01) | |||||
BP magnitude | 20.80 (0.1) | 20.84 | ||||||
RP magnitude | 20.43 (0.1) | 20.41 | ||||||
Pan g magnitude | 20.87 (0.02) | |||||||
Pan r magnitude | 20.89 (0.03) | |||||||
Pan i magnitude | 21.02 (0.03) | |||||||
Pan z magnitude | 21.00 (0.2) | |||||||
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.