J11038+1100

PG1101+113  ·  Culpan knownhsd

χ²/N = 0.99

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

profile fit on the Bamberg grid
Observed spectrum in black, model in red, offset by line. Balmer series left, helium right.

Results and provenance

Fit — Bamberg

Teff [K]35672 ± 326
log g5.981 ± 0.052
log n(He)/n(H)-1.527 ± 0.052
reduced χ²0.994 over 639 points
radial velocity-105.0 km s−1
resolution (FWHM)2.50 Å
lines fitted12
gridsHE-0.041.fits
HE-0.125.fits
HE-0.300.fits
HE-0.550.fits
+9 more
fitted04/09/2026 18:30:17

Fit — Lei (TLUSTY)

Teff [K]35750 ± 1050
log g5.870 ± 0.340
log n(He)/n(H)-1.550 ± 0.300
gridsLei et al. 2018, ApJ 868, 70
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

cosmic rays4 pixels cancelled
source filespec-57024-HD110713N101244B_sp15-051.fits.gz

Gaia astrometry

Gaia DR3 source3868458111291375616
parallax [mas]0.5905 ± 0.0442
G15.104
Gabs4.034
μα [mas/yr]2.358
μδ [mas/yr]-7.982
l, b240.258, 60.022

Published (Culpan et al. 2022)

class (Culpan)sdOB
class (SIMBAD)sdBO
Teff [K]35660 ± 149
log g5.79 ± 0.02
log y-1.58 ± 0.02
reference2021ApJS..256...28L

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-1.70-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-1.52-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-1.44-40.0, 31.64.2-43.0, 43.0
Hε3970.07-1.39-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-1.36-20.0, 26.24.0-31.8, 32.0
Hη3835.38-1.34-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-1.33-16.0, 16.03.9-15.6, 16.7
Hι3770.63-1.32-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-1.64-11.9, 11.94.9-15.0, 13.8
He I 44724471.60-1.57-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-1.41-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-1.72-15.0, 15.05.1-15.0, 15.0