All names: Gaia DR3 6319696591088486784, PG 1502-103, UCAC4 398-059493, Gaia DR2 6319696591088486784, 2MASS J15052269-1031260, GALEX J150522.8-103125, HE 1502-1019, PG1502-103, EC 15026-1019, TIC 192742886, UCAC2 28031324
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 15 05 22.68 | 15 05 22.70 (0.04) | ||
Declination | -10 31 25.64 | -10 31 26.01 (0.03) | ||
Spectral type | sdB+K | 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] | 0.53 (0.06) | 0.66 (0.04) | |
Distance | [pc] | 1886.08 (210) | 1517.68 (101) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 3.555 (0.1) | 4.01 (0.05) | |
Proper motion (declination) | [mas/yr] | -8.086 (0.1) | -8.504 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.56 (0.03) | |||
V magnitude | 15.53 (0.01) | |||
R magnitude | 15.66 (0.2) | |||
I magnitude | ||||
J magnitude | 14.97 (0.05) | 14.97 (0.05) | ||
H magnitude | 14.77 (0.07) | 14.77 (0.07) | ||
K magnitude | 14.85 (0.1) | 14.85 (0.1) | ||
u magnitude | 15.38 (0.005) | |||
g magnitude | 15.42 (0.004) | |||
r magnitude | 15.55 (0.004) | |||
i magnitude | 15.60 (0.005) | |||
z magnitude | 15.66 (0.006) | |||
G magnitude | 15.45 (0.0008) | 15.43 (0.003) | ||
BP magnitude | 15.46 (0.005) | |||
RP magnitude | 15.30 (0.003) | |||
Pan g magnitude | 15.49 (0.005) | |||
Pan r magnitude | 15.56 (0.002) | |||
Pan i magnitude | 15.65 (0.003) | |||
Pan z magnitude | 15.71 (0.003) | |||
Pan y magnitude | 15.74 (0.003) | |||
E(B-V) | 0.083 |
* 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.