All names: WISEA J190103.97-422934.9, TIC 143699381, 2MASS J19010396-4229347, UCAC4 238-167488, WISE J190103.97-422934.8, DENIS J190103.9-422935, UCAC2 13869224, GALEXJ19010-4229, Gaia DR3 6715490300005795840, Gaia DR2 6715490300004121216
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 19 01 04.07 | 19 01 03.96 (0.2) | ||
Declination | -42 29 33.52 | -42 29 34.97 (0.2) | ||
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] | 1.23 (0.3) | 0.35 (0.2) | |
Distance | [pc] | 812.15 (189) | 2856.33 (1912) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 6.696 (0.5) | 8.212 (0.2) | |
Proper motion (declination) | [mas/yr] | -13.141 (0.5) | -13.752 (0.2) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 13.97 (0.02) | |||
V magnitude | 13.86 (0.01) | |||
R magnitude | 14.21 (0.08) | |||
I magnitude | 13.86 (0.02) | |||
J magnitude | 13.72 (0.03) | 13.72 (0.03) | ||
H magnitude | 13.45 (0.04) | 13.45 (0.04) | ||
K magnitude | 13.36 (0.04) | 13.36 (0.04) | ||
u magnitude | ||||
g magnitude | 13.86 (0.07) | |||
r magnitude | 13.95 (0.01) | |||
i magnitude | ||||
z magnitude | ||||
G magnitude | 14.01 (0.003) | 14.11 (0.009) | ||
BP magnitude | 13.90 (0.01) | |||
RP magnitude | 13.94 (0.003) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.077 |
* 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.