All names: EC 03477-5711, EC03477-5711, UCAC4 165-003629, GALEX J034853.6-570158, Gaia DR2 4731045843939280256, Gaia DR3 4731045843939280256, TIC 197886887, 2MASS J03485372-5701585
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 03 48 53.80 | 03 48 53.73 (0.03) | ||
Declination | -57 01 59.16 | -57 01 58.56 (0.03) | ||
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] | 0.15 (0.04) | 0.19 (0.03) | |
Distance | [pc] | 6729.48 (1884) | 5224.66 (767) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 7.666 (0.08) | 7.576 (0.04) | |
Proper motion (declination) | [mas/yr] | 0.215 (0.09) | 0.177 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.76 (0.05) | |||
V magnitude | 15.81 (0.07) | |||
R magnitude | 16.00 (0.3) | |||
I magnitude | ||||
J magnitude | 15.99 (0.09) | 15.99 (0.09) | ||
H magnitude | 16.24 (0.2) | 16.24 (0.2) | ||
K magnitude | 16.09 | |||
u magnitude | ||||
g magnitude | 15.70 (0.04) | |||
r magnitude | 15.97 (0.01) | |||
i magnitude | 16.12 (0.1) | |||
z magnitude | ||||
G magnitude | 15.85 (0.0008) | 15.83 (0.003) | ||
BP magnitude | 15.75 (0.005) | |||
RP magnitude | 15.94 (0.006) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.016 |
* 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.