All names: TIC 119899353, SDSS J221611.88+415215.7, Gaia DR2 1958186782659396480, SDSS J221611.89+415215.7, GALEX J221611.8+415216, 2MASS J22161187+4152154, SDSSJ221611.88+415215.7, GALEX J221611.8+415215, Gaia DR3 1958186782659396480
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 22 16 11.89 | 22 16 11.89 (0.02) | ||
Declination | 41 52 15.78 | 41 52 15.82 (0.03) | ||
Spectral type | sd | sd | ||
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] | 0.46 (0.05) | 0.52 (0.04) | |
Distance | [pc] | 2161.23 (234) | 1916.44 (131) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -0.506 (0.07) | -0.631 (0.03) | |
Proper motion (declination) | [mas/yr] | -8.506 (0.08) | -8.608 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 16.44 (0.1) | 16.44 (0.1) | ||
H magnitude | 16.24 | |||
K magnitude | 15.68 | |||
u magnitude | 15.87 (0.005) | 15.88 (0.02) | ||
g magnitude | 15.90 (0.004) | 15.82 (0.01) | ||
r magnitude | 16.25 (0.004) | 16.23 (0.01) | ||
i magnitude | 16.53 (0.005) | 16.53 (0.05) | ||
z magnitude | 16.73 (0.01) | 16.73 (0.02) | ||
G magnitude | 16.10 (0.0009) | 16.07 (0.003) | ||
BP magnitude | 15.96 (0.005) | |||
RP magnitude | 16.20 (0.005) | |||
Pan g magnitude | 15.97 (0.002) | |||
Pan r magnitude | 16.27 (0.005) | |||
Pan i magnitude | 16.54 (0.002) | |||
Pan z magnitude | 16.77 (0.002) | |||
Pan y magnitude | 16.90 (0.008) | |||
E(B-V) | 0.115 |
* 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.