All names: GALEX J144924.4-111116, 2MASS J14492441-1111178, HE 1446-1058, Gaia DR2 6325421301457687296, TIC 26187018, Gaia DR3 6325421301457687296, EC 14466-1058, EC14466-1058
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 14 49 24.43 | 14 49 24.42 (0.04) | ||
Declination | -11 11 17.59 | -11 11 18.03 (0.04) | ||
Spectral type | He-sdO | sdOHe | ||
Effective temperature | [K] | 45000.0 (1000) | ||
log(g) | [cgs] | 5.76 (0.1) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.51 (0.08) | 0.52 (0.05) | |
Distance | [pc] | 1978.63 (299) | 1937.98 (178) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -3.895 (0.1) | -4.111 (0.05) | |
Proper motion (declination) | [mas/yr] | -11.241 (0.1) | -11.103 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.00 | |||
V magnitude | 15.21 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.69 (0.06) | 15.69 (0.06) | ||
H magnitude | 16.11 (0.2) | 16.11 (0.2) | ||
K magnitude | 15.86 | |||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.17 (0.0009) | 15.16 (0.003) | ||
BP magnitude | 14.97 (0.01) | |||
RP magnitude | 15.38 (0.003) | |||
Pan g magnitude | 15.04 (0.003) | |||
Pan r magnitude | 15.40 (0.002) | |||
Pan i magnitude | 15.71 (0.003) | |||
Pan z magnitude | 15.97 (0.002) | |||
Pan y magnitude | 16.13 (0.004) | |||
E(B-V) | 0.078 |
* 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.