All names: Gaia DR3 6478992633130155648, Gaia EDR3 6478993045447338880, TIC 1989731344, Gaia DR2 6478992633130155648, EC21162-4946, TIC 471015362, EC 21162-4946
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 21 19 49.76 (0.6) | 21 19 41.21 | 21 19 41.26 (0.05) | ||
Declination | -49 32 50.75 (0.5) | -49 33 59.76 | -49 33 59.68 (0.04) | ||
Spectral type | sdB | sdB?/DAwk? | |||
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] | 3.12 (0.8) | 0.01 (0.07) | 0.01 (0.06) | |
Distance | [pc] | 320.46 (86) | 90090.09 (607905) | 196078.43 (2276048) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 20.96 (0.9) | -1.971 (0.1) | -1.833 (0.07) | |
Proper motion (declination) | [mas/yr] | -0.91 (0.6) | -6.798 (0.1) | -7.109 (0.05) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 16.25 | ||||
V magnitude | 16.40 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 20.20 (0.007) | 16.41 (0.002) | 16.39 (0.003) | ||
BP magnitude | 20.39 (0.09) | 16.28 (0.01) | |||
RP magnitude | 19.83 (0.09) | 16.53 (0.006) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.017 |
* 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.