All names: PG1618+562, LAMOST J161926.61+560558.7, ** STI 2338B, Gaia DR2 1429755374017588608, WDS J16194+5606B, UCAC4 731-054164, 2MASS J16192658+5605585, TIC 207440585, SDSS J161926.58+560558.6, Gaia DR3 1429755374017588608, PG 1618+563B
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 16 19 26.77 | 16 19 26.60 (0.01) | ||
Declination | 56 05 59.39 | 56 05 58.59 (0.01) | ||
Spectral type | sdBV+F3 | F3 | ||
Effective temperature | [K] | 33900.0 | ||
log(g) | [cgs] | 5.80 | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 1.43 (0.02) | 1.42 (0.01) | |
Distance | [pc] | 697.45 (1e+01) | 703.88 (5) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -6.497 (0.04) | -6.362 (0.01) | |
Proper motion (declination) | [mas/yr] | -4.499 (0.04) | -4.453 (0.01) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 12.16 (0.03) | |||
V magnitude | 12.34 (0.03) | |||
R magnitude | 12.71 (0.07) | |||
I magnitude | ||||
J magnitude | 11.72 | |||
H magnitude | 11.57 | |||
K magnitude | 11.55 (0.03) | 11.55 (0.03) | ||
u magnitude | 14.32 (0.004) | |||
g magnitude | 14.70 (0.01) | |||
r magnitude | 15.11 (0.01) | |||
i magnitude | 14.69 (0.01) | |||
z magnitude | 12.87 (0.004) | |||
G magnitude | 12.65 (0.0002) | 12.64 (0.003) | ||
BP magnitude | 12.88 (0.002) | |||
RP magnitude | 12.26 (0.001) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | 15.77 (0) | |||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.021 |
* 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.