All names: FBS B 291, Gaia DR3 784355075149419904, GALEX J113127.0+444204, FBS 1128+449, CHSS 1933, 2MASS J11312703+4442042, Gaia DR2 784355075149419904, LAMOST J113127.02+444204.6, LAMOST J113127.05+444204.0, FBS1128+449, TIC 56939958
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 11 31 26.91 | 11 31 27.05 (0.02) | ||
Declination | 44 42 05.10 | 44 42 04.11 (0.01) | ||
Spectral type | sd | sdBO | ||
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] | 0.41 (0.05) | 0.36 (0.02) | |
Distance | [pc] | 2468.53 (275) | 2767.02 (169) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -4.017 (0.05) | -4.071 (0.02) | |
Proper motion (declination) | [mas/yr] | -12.684 (0.05) | -12.611 (0.02) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 13.48 | |||
V magnitude | 13.58 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 13.51 (0.02) | 13.51 (0.02) | ||
H magnitude | 13.57 (0.03) | 13.57 (0.03) | ||
K magnitude | 13.53 (0.04) | 13.53 (0.04) | ||
u magnitude | 14.05 (0.003) | |||
g magnitude | 13.70 (0.002) | |||
r magnitude | 13.59 (0.003) | |||
i magnitude | 14.26 (0.005) | |||
z magnitude | 13.95 (0.004) | |||
G magnitude | 13.44 (0.0004) | 13.42 (0.003) | ||
BP magnitude | 13.38 (0.003) | |||
RP magnitude | 13.48 (0.001) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | 17.60 (0.01) | |||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.018 |
* 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.