All names: UCAC2 46890535, FBS B 224, Gaia DR3 346721341030064640, FBS0156+439, TIC 291885456, 2MASS J01594618+4413191, GALEX J015946.2+441318, UCAC3 269-22078, Gaia DR2 346721341030064640, GSC2.3 NBZD011648, USNO-B1.0 1342-00037386, FBS 0156+439
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 01 59 46.27 | 01 59 46.20 (0.04) | ||
Declination | 44 13 18.69 | 44 13 19.22 (0.04) | ||
Spectral type | He-sdOB | sdB | ||
Effective temperature | [K] | 43970.0 (1190) | ||
log(g) | [cgs] | 5.72 (0.2) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.48 (0.08) | 0.49 (0.05) | |
Distance | [pc] | 2103.49 (335) | 2052.97 (207) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -3.733 (0.1) | -3.945 (0.05) | |
Proper motion (declination) | [mas/yr] | -3.884 (0.1) | -3.893 (0.06) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.19 (0.03) | |||
V magnitude | 15.19 (0.04) | |||
R magnitude | 15.29 | |||
I magnitude | 15.26 | |||
J magnitude | 15.91 (0.07) | 15.91 (0.07) | ||
H magnitude | 16.10 (0.2) | 16.10 (0.2) | ||
K magnitude | 15.81 (0.2) | 15.81 (0.2) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.31 (0.001) | 15.30 (0.003) | ||
BP magnitude | 15.09 (0.01) | |||
RP magnitude | 15.55 (0.005) | |||
Pan g magnitude | 15.17 (0.005) | |||
Pan r magnitude | 15.55 (0.002) | |||
Pan i magnitude | 15.89 (0.003) | |||
Pan z magnitude | 16.15 (0.004) | |||
Pan y magnitude | 16.32 (0.008) | |||
E(B-V) | 0.080 |
* 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.