All names: GALEX J115840.4+735025, FBS B 997, PG1155+741, TIC 313355841, UCAC4 820-018082, Gaia DR3 1075984763296931456, WISEA J115840.52+735025.9, Gaia DR2 1075984763296931456, PG 1155+741, FBS 1156+741, WISE J115840.53+735025.9, 2MASS J11584054+7350260
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 11 58 40.61 | 11 58 40.55 (0.03) | ||
Declination | 73 50 26.26 | 73 50 26.13 (0.03) | ||
Spectral type | sdB | sdB | ||
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] | 0.44 (0.05) | 0.57 (0.04) | |
Distance | [pc] | 2250.23 (241) | 1756.85 (119) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -4.61 (0.09) | -5.067 (0.04) | |
Proper motion (declination) | [mas/yr] | -4.01 (0.07) | -4.542 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.29 (0.2) | |||
V magnitude | 15.40 (0.03) | |||
R magnitude | 15.73 (0.1) | |||
I magnitude | ||||
J magnitude | 15.04 (0.04) | 15.04 (0.04) | ||
H magnitude | 14.69 (0.05) | 14.69 (0.05) | ||
K magnitude | 14.48 (0.08) | 14.48 (0.08) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.34 (0.0007) | 15.32 (0.003) | ||
BP magnitude | 15.26 (0.007) | |||
RP magnitude | 15.32 (0.004) | |||
Pan g magnitude | 15.28 (0.003) | |||
Pan r magnitude | 15.51 (0.003) | |||
Pan i magnitude | 15.66 (0.002) | |||
Pan z magnitude | 15.76 (0.002) | |||
Pan y magnitude | 15.80 (0.006) | |||
E(B-V) | 0.026 |
* 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.