J12362+1118sdO
SDSSJ123613.89+111834.1 · 12:36:13.90 11:18:34.06 · Culpan knownhsd
outside the grid χ²/N = 1.00
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] | 55776 ± 1329 |
| log g | 6.334 ± 0.110 |
| log n(He)/n(H) | -0.395 ± 0.094 |
| reduced χ² | 0.997 over 744 points |
| radial velocity | -184.0 km s−1 |
| resolution (FWHM) | 2.00 Å |
| lines fitted | 15 |
| grids | HE-0.041.fits HE-0.125.fits HE-0.300.fits HE-0.550.fits +9 more |
| settled | outside the grid |
| fitted | 04/09/2026 19:08:47 |
Observation
| telescope | SDSS 2.5-M |
| survey / programme | boss |
| date | 2012-02-22 |
| exposure | 4504 s in 10 |
| pipeline | v5_13_2 |
| S/N (classifier) | 32.8 |
| source file | spec-5403-55979-0052.fits |
Gaia astrometry
| Gaia DR3 source | 3904337065491411072 |
| parallax [mas] | 0.0993 ± 0.1763 |
| G | 18.067 |
| μα [mas/yr] | -10.986 |
| μδ [mas/yr] | -4.953 |
| l, b | 289.471, 73.782 |
Published (Culpan et al. 2022)
| class (Culpan) | sdO |
| class (SIMBAD) | sdOHe |
| Teff [K] | 63897 ± 6000 |
| log g | 5.53 ± 0.20 |
| log y | -0.44 ± 0.40 |
| reference | 2009PhDT.......273H |
Classifier
AGREES
fitted Teff 63897 logg 5.53 logY -0.44 2009PhDT.......273H
auto: He II/He I 11.6, EW 1.74, red end too noisy for Ca II (S/N 12) -- a companion is neither seen nor excluded
Fitted lines
| line | λ [Å] | shift [Å] | continuum at | ±avg | fitted over |
| Hβ | 4861.32 | -2.98 | -40.0, 40.0 | 5.0 | -45.0, 45.0 |
| Hγ | 4340.46 | -2.66 | -40.0, 36.8 | 4.5 | -43.0, 43.0 |
| Hδ | 4101.73 | -2.52 | -40.0, 31.6 | 4.2 | -43.0, 43.0 |
| Hε | 3970.07 | -2.44 | -28.0, 30.0 | 4.1 | -30.0, 35.0 |
| Hζ | 3889.05 | -2.39 | -20.0, 26.2 | 4.0 | -31.8, 32.0 |
| Hη | 3835.38 | -2.35 | -20.0, 14.6 | 4.0 | -20.7, 21.8 |
| Hθ | 3797.90 | -2.33 | -16.0, 16.0 | 3.9 | -15.6, 16.7 |
| Hι | 3770.63 | -2.31 | -13.0, 13.0 | 3.9 | -11.7, 11.6 |
| He II 4686 | 4685.70 | -2.88 | -11.9, 11.9 | 4.9 | -15.0, 13.8 |
| He II 5412 | 5411.52 | -3.32 | -15.0, 15.0 | 5.6 | -15.0, 15.0 |
| He II 4542 | 4541.59 | -2.79 | -15.0, 20.0 | 4.7 | -20.0, 20.0 |
| He II 4200 | 4199.84 | -2.58 | -23.5, 33.8 | 4.3 | -20.0, 20.0 |
| He I 4472 | 4471.60 | -2.74 | -15.0, 15.0 | 4.6 | -15.0, 15.0 |
| He I 4026 | 4026.29 | -2.47 | -24.2, 15.0 | 4.2 | -15.0, 15.0 |
| He I 4922 | 4921.93 | -3.02 | -15.0, 15.0 | 5.1 | -15.0, 15.0 |