J14353+1540sdB
PG1432+158 · 14:35:18.94 15:40:14.38 · Culpan hotsd
χ²/N = 0.98
Spectrum
shaded: the intervals the fit used · │ a cancelled pixeldrag on either panel to zoom · dbl-click or Esc to reset · arrows to pan
The whole reduced spectrum above, the region marked on it below. Shaded bands are the intervals the fit used; a tick under the axis marks a pixel the rejection mask cancelled.
Line-profile fit — Bamberg
Results and provenance
Fit — Bamberg
| Teff [K] | 26168 ± 230 |
| log g | 5.647 ± 0.034 |
| log n(He)/n(H) | -2.506 ± 0.050 |
| reduced χ² | 0.981 over 657 points |
| radial velocity | -127.0 km s−1 |
| resolution (FWHM) | 2.50 Å |
| lines fitted | 13 |
| grids | HE-0.041.fits HE-0.125.fits HE-0.300.fits HE-0.550.fits +9 more |
| fitted | 04/09/2026 18:31:24 |
Fit — Lei (TLUSTY)
| Teff [K] | 26210 ± 210 |
| log g | 5.470 ± 0.050 |
| log n(He)/n(H) | -2.520 ± 0.100 |
| grids | Lei et al. 2018, ApJ 868, 70 SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid |
Observation
| cosmic rays | 6 pixels cancelled |
| S/N (classifier) | 31.5 |
| source file | spec-57045-HD143249N140339B01_sp12-144.fits.gz |
Gaia astrometry
| Gaia DR3 source | 1234322477875249664 |
| parallax [mas] | 1.5829 ± 0.0414 |
| G | 13.842 |
| BP − RP | -0.387 |
| Gabs | 4.840 |
| μα [mas/yr] | 7.393 |
| μδ [mas/yr] | -26.749 |
| RUWE | 1.005 |
| l, b | 12.829, 63.322 |
| selection | f_plx |
Published (Culpan et al. 2022)
| class (Culpan) | sdB+WD |
Classifier
AGREES
fitted Teff 29066 logg 5.79 logY -2.52 2021ApJS..256...28L
auto: contrast 0.10, within the 0.36 a subdwarf reaches at 24 kK, Mg I b suggests a companion but Ca II does not (0.7 sigma)
Fitted lines
| line | λ [Å] | shift [Å] | continuum at | ±avg | fitted over |
| Hβ | 4861.32 | -2.06 | -40.0, 40.0 | 5.0 | -45.0, 45.0 |
| Hγ | 4340.46 | -1.84 | -40.0, 36.8 | 4.5 | -43.0, 43.0 |
| Hδ | 4101.73 | -1.74 | -40.0, 31.6 | 4.2 | -43.0, 43.0 |
| Hε | 3970.07 | -1.68 | -28.0, 30.0 | 4.1 | -30.0, 35.0 |
| Hζ | 3889.05 | -1.65 | -20.0, 26.2 | 4.0 | -31.8, 32.0 |
| Hη | 3835.38 | -1.62 | -20.0, 14.6 | 4.0 | -20.7, 21.8 |
| Hθ | 3797.90 | -1.61 | -16.0, 16.0 | 3.9 | -15.6, 16.7 |
| Hι | 3770.63 | -1.60 | -13.0, 13.0 | 3.9 | -11.7, 11.6 |
| Hκ | 3750.15 | -1.59 | -10.0, 10.0 | 3.9 | -7.4, 8.7 |
| He II 4686 | 4685.70 | -1.99 | -11.9, 11.9 | 4.9 | -15.0, 13.8 |
| He I 4472 | 4471.60 | -1.89 | -15.0, 15.0 | 4.6 | -15.0, 15.0 |
| He I 4026 | 4026.29 | -1.71 | -24.2, 15.0 | 4.2 | -15.0, 15.0 |
| He I 4922 | 4921.93 | -2.09 | -15.0, 15.0 | 5.1 | -15.0, 15.0 |