All names: 2MASS J12491924-2133458, GALEX J124919.2-213346, EC12466-2117, Gaia DR2 3502607612993408256, Gaia DR3 3502607612993408256, TIC 219768234, EC 12466-2117
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 12 49 19.21 | 12 49 19.24 (0.06) | ||
Declination | -21 33 46.33 | -21 33 45.73 (0.04) | ||
Spectral type | sdB | sdB | ||
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] | 0.19 (0.1) | 0.26 (0.07) | |
Distance | [pc] | 5144.03 (2633) | 3863.99 (1048) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -22.306 (0.2) | -21.649 (0.08) | |
Proper motion (declination) | [mas/yr] | -2.131 (0.1) | -2.573 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.94 | |||
V magnitude | 16.12 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 16.43 (0.1) | 16.43 (0.1) | ||
H magnitude | 16.35 (0.2) | 16.35 (0.2) | ||
K magnitude | 15.71 | |||
u magnitude | 15.65 (0.005) | |||
g magnitude | 15.88 (0.003) | |||
r magnitude | 16.30 (0.004) | |||
i magnitude | 16.60 (0.005) | |||
z magnitude | 16.85 (0.01) | |||
G magnitude | 16.11 (0.002) | 16.09 (0.003) | ||
BP magnitude | 15.91 (0.01) | |||
RP magnitude | 16.29 (0.005) | |||
Pan g magnitude | 15.95 (0.004) | |||
Pan r magnitude | 16.32 (0.002) | |||
Pan i magnitude | 16.62 (0.002) | |||
Pan z magnitude | 16.85 (0.004) | |||
Pan y magnitude | 16.97 (0.005) | |||
E(B-V) | 0.051 |
* 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.