All names: GALEX J165110.0+080332, UCAC4 491-067659, WISE J165110.06+080332.7, PG 1648+081, Gaia DR2 4442343330624541568, Gaia DR3 4442343330624541568, PG1648+081, 2MASS J16511007+0803327, TIC 337322249, WISEA J165110.06+080332.7, UCAC2 34670981
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 16 51 10.07 | 16 51 10.08 (0.02) | ||
Declination | 08 03 32.70 | 08 03 32.70 (0.01) | ||
Spectral type | sd | sdOB+F8V | ||
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] | 0.70 (0.03) | 0.68 (0.02) | |
Distance | [pc] | 1419.04 (51) | 1460.92 (48) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -5.747 (0.04) | -5.591 (0.02) | |
Proper motion (declination) | [mas/yr] | -5.737 (0.04) | -5.85 (0.02) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 14.20 (0.02) | |||
V magnitude | ||||
R magnitude | 13.97 (0.2) | |||
I magnitude | ||||
J magnitude | 12.81 (0.02) | 12.81 (0.02) | ||
H magnitude | 12.54 (0.04) | 12.54 (0.04) | ||
K magnitude | 12.40 (0.03) | 12.40 (0.03) | ||
u magnitude | ||||
g magnitude | 13.95 (0.02) | |||
r magnitude | 13.77 (0.05) | |||
i magnitude | 13.69 (0.01) | |||
z magnitude | ||||
G magnitude | 13.72 (0.0003) | 13.71 (0.003) | ||
BP magnitude | 13.90 (0.003) | |||
RP magnitude | 13.35 (0.001) | |||
Pan g magnitude | 13.95 (0.003) | |||
Pan r magnitude | 13.78 (0.004) | |||
Pan i magnitude | 13.72 (0.004) | |||
Pan z magnitude | 13.70 (0.003) | |||
Pan y magnitude | 13.69 (0.002) | |||
E(B-V) | 0.074 |
* 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.