All names: TIC 188174892, Gaia DR3 5457435108454471424, UCAC2 20621922, Gaia DR2 5457435108454471424, EC 10475-2703, UCAC4 314-063666, GALEXJ10499-2719, 2MASS J10495527-2719091, GALEX J104955.2-271908
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 10 49 55.22 | 10 49 55.28 (0.03) | ||
Declination | -27 19 08.39 | -27 19 09.20 (0.03) | ||
Spectral type | He-sdO | sdOC3VIHe39 | ||
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] | 0.54 (0.09) | 0.65 (0.04) | |
Distance | [pc] | 1868.46 (305) | 1536.57 (93) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -2.492 (0.1) | -2.622 (0.04) | |
Proper motion (declination) | [mas/yr] | 8.136 (0.1) | 8.107 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 13.28 (0.01) | |||
V magnitude | 13.48 (0) | |||
R magnitude | 13.83 (0.1) | |||
I magnitude | ||||
J magnitude | 13.92 (0.03) | 13.92 (0.03) | ||
H magnitude | 13.93 (0.04) | 13.93 (0.04) | ||
K magnitude | 13.95 (0.06) | 13.95 (0.06) | ||
u magnitude | ||||
g magnitude | 13.26 (0.04) | |||
r magnitude | 13.70 (0.04) | |||
i magnitude | 13.99 (0.01) | |||
z magnitude | ||||
G magnitude | 13.44 (0.0004) | 13.43 (0.003) | ||
BP magnitude | 13.23 (0.005) | |||
RP magnitude | 13.66 (0.0008) | |||
Pan g magnitude | 13.31 (0.003) | |||
Pan r magnitude | 13.68 (0.004) | |||
Pan i magnitude | 14.04 (0.003) | |||
Pan z magnitude | 14.25 (0.001) | |||
Pan y magnitude | 14.40 (0.002) | |||
E(B-V) | 0.041 |
* 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.