All names: uvby98 620022082, TIC 352480413, 2MASS J21360128-7248272, EC 21313-7301, GSC 09331-00373, SBC9 3420, TYC 9331-373-1, GALEX J213600.8-724827, GEN# +6.20022082, EC21313-7301, Gaia DR3 6371205304939458944, UCAC2 1156353, JL 82, UCAC4 086-064009, Gaia DR2 6371205304939458944
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 21 36 01.18 | 21 36 01.30 (0.02) | ||
Declination | -72 48 26.64 | -72 48 27.22 (0.03) | ||
Spectral type | sdB+dM | sdB | ||
Effective temperature | [K] | 26500.0 (500) | ||
log(g) | [cgs] | 5.22 (0.1) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 2.27 (0.07) | 2.27 (0.04) | |
Distance | [pc] | 440.33 (14) | 439.95 (7) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 17.408 (0.09) | 17.405 (0.03) | |
Proper motion (declination) | [mas/yr] | -17.581 (0.1) | -17.54 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 12.44 (0.1) | |||
V magnitude | 12.41 (0.2) | |||
R magnitude | 12.67 (0.06) | |||
I magnitude | ||||
J magnitude | 12.86 (0.02) | 12.86 (0.02) | ||
H magnitude | 12.96 (0.03) | 12.96 (0.03) | ||
K magnitude | 13.05 (0.04) | 13.05 (0.04) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 12.37 (0.0007) | 12.34 (0.003) | ||
BP magnitude | 12.19 (0.009) | |||
RP magnitude | 12.57 (0.003) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.028 |
* 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.