All names: PG0242+132, CHSS 3550, LAMOST J024538.88+132555.6, Gaia DR3 31918414533148928, GALEX J024538.8+132556, TIC 52177522, PG 0242+132, 2MASS J02453888+1325556, [TFW97] J024538.87+132555.70, Gaia DR2 31918414533148928
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 02 45 38.82 | 02 45 38.88 (0.03) | ||
Declination | 13 25 56.25 | 13 25 55.64 (0.02) | ||
Spectral type | sdB | sdB0.5VHe10 | ||
Effective temperature | [K] | 32120.0 (130) | ||
log(g) | [cgs] | 5.34 (0.01) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 1.51 (0.08) | 1.42 (0.03) | |
Distance | [pc] | 662.08 (36) | 704.97 (17) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 17.06 (0.1) | 16.892 (0.04) | |
Proper motion (declination) | [mas/yr] | -8.423 (0.09) | -8.554 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 11.78 | |||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 13.52 (0.03) | 13.52 (0.03) | ||
H magnitude | 13.65 (0.03) | 13.65 (0.03) | ||
K magnitude | 13.63 (0.04) | 13.63 (0.04) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 13.21 (0.0009) | 13.19 (0.003) | ||
BP magnitude | 13.07 (0.007) | |||
RP magnitude | 13.34 (0.002) | |||
Pan g magnitude | 13.11 | |||
Pan r magnitude | 13.43 | |||
Pan i magnitude | 13.66 (0.006) | |||
Pan z magnitude | 13.90 (0.0009) | |||
Pan y magnitude | 14.03 (0.002) | |||
E(B-V) | 0.118 |
* 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.