All names: UCAC4 506-046320, 2MASS J08135161+1101366, WD 0811+111, LAMOST J081351.59+110136.3, Gaia DR3 648868682531670656, TIC 429146094, SDSS J081351.59+110136.3, SDSS J081351.59+110136.2, Gaia EDR3 648868682531670656, LAMOSTJ081351.59+110136.3, Gaia DR2 648868682531670656
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|
Right ascension | 08 13 51.60 (0.05) | 08 13 51.59 | 08 13 51.60 (0.05) | 08 13 51.60 (0.05) | 08 13 51.72 | |||
Declination | 11 01 36.24 (0.03) | 11 01 36.30 | 11 01 36.24 (0.03) | 11 01 36.26 (0.03) | 11 01 34.32 | |||
Spectral type | sdB | sdB/sdO | DA | |||||
Effective temperature | [K] | 20120.0 (3590) | ||||||
log(g) | [cgs] | 4.58 (0.1) | ||||||
Mass | [M☉] | |||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 0.35 (0.05) | 0.24 (0.06) | 0.24 (0.06) | 0.35 (0.05) | |||
Distance | [pc] | 2836.49 (394) | 4091.65 (1028) | 4091.65 (1028) | 2836.88 (394) | |||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | -0.482226522 (0.06) | -0.472 (0.1) | -0.472 (0.1) | -0.482 (0.06) | |||
Proper motion (declination) | [mas/yr] | -1.38884717 (0.04) | -1.521 (0.07) | -1.521 (0.07) | -1.389 (0.04) | |||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | yes | |||||||
B magnitude | 15.24 (0.1) | |||||||
V magnitude | 15.47 (0.07) | |||||||
R magnitude | 15.31 (0.4) | |||||||
I magnitude | ||||||||
J magnitude | 16.04 (0.09) | |||||||
H magnitude | ||||||||
K magnitude | ||||||||
u magnitude | 14.85 (0.004) | 14.85 (0.004) | 14.90 | |||||
g magnitude | 15.12 (0.003) | 15.71 (0.9) | 15.10 | |||||
r magnitude | 15.62 (0.004) | 15.80 (0.2) | 15.60 | |||||
i magnitude | 15.98 (0.004) | 15.98 (0.004) | 16.00 | |||||
z magnitude | 16.31 (0.008) | 16.31 (0.008) | 16.30 | |||||
G magnitude | 15.39 (0.002) | 15.41 (0.0007) | 15.41 | 15.39 (0.003) | ||||
BP magnitude | 15.24 (0.002) | 15.18 (0.007) | 15.18 | |||||
RP magnitude | 15.68 (0.003) | 15.67 (0.003) | 15.67 | |||||
Pan g magnitude | 15.22 (0.002) | 15.22 (0.002) | ||||||
Pan r magnitude | 15.65 (0.002) | 15.65 (0.002) | ||||||
Pan i magnitude | 16.01 (0.002) | 16.01 (0.002) | ||||||
Pan z magnitude | 16.27 (0.007) | 16.27 (0.007) | ||||||
Pan y magnitude | 16.47 (0.003) | 16.47 (0.003) | ||||||
E(B-V) | 0.025 |
* 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.