All names: PG1623+386, GALEX J162524.3+383019, Gaia DR2 1332156747638095488, UCAC4 643-054171, UCAC2 45350207, SDSS J162524.29+383018.8, FBS 1623+386, Gaia DR3 1332156747638095488, TIC 39978702, PG 1623+386, LAMOST J162524.34+383019.1, 2MASS J16252429+3830189, FBS B 135, KUV 16237+3837
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 16 25 24.31 | 16 25 24.29 (0.03) | ||
Declination | 38 30 18.77 | 38 30 18.88 (0.04) | ||
Spectral type | sdOB | sdB | ||
Effective temperature | [K] | 41600.0 (1000) | ||
log(g) | [cgs] | 6.10 (0.1) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.46 (0.07) | 0.46 (0.04) | |
Distance | [pc] | 2168.26 (311) | 2173.44 (181) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -5.218 (0.09) | -5.269 (0.04) | |
Proper motion (declination) | [mas/yr] | -27.031 (0.1) | -27.13 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.69 (0.02) | |||
V magnitude | 15.63 (0.2) | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.87 (0.07) | 15.87 (0.07) | ||
H magnitude | 15.38 (0.09) | 15.38 (0.09) | ||
K magnitude | 15.32 (0.2) | 15.32 (0.2) | ||
u magnitude | 15.37 (0.005) | 15.37 (0.005) | ||
g magnitude | 15.70 (0.004) | 15.70 (0.004) | ||
r magnitude | 16.11 (0.004) | 16.11 (0.004) | ||
i magnitude | 16.33 (0.004) | 16.33 (0.004) | ||
z magnitude | 16.51 (0.008) | 16.51 (0.008) | ||
G magnitude | 15.92 (0.002) | 15.90 (0.003) | ||
BP magnitude | 15.74 (0.008) | |||
RP magnitude | 16.02 (0.004) | |||
Pan g magnitude | 15.79 (0.006) | |||
Pan r magnitude | 16.14 (0.003) | |||
Pan i magnitude | 16.37 (0.002) | |||
Pan z magnitude | 16.52 (0.003) | |||
Pan y magnitude | 16.61 (0.005) | |||
E(B-V) | 0.019 |
* 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.