J11009+1055

GALEXJ11009+1055  ·  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]32494 ± 244
log g5.954 ± 0.037
log n(He)/n(H)-1.875 ± 0.041
reduced χ²0.992 over 640 points
radial velocity-67.0 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 18:30:16

Fit — Lei (TLUSTY)

Teff [K]32320 ± 90
log g5.930 ± 0.050
log n(He)/n(H)-1.920 ± 0.050
gridsLei et al. 2019, ApJ 881, 135
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

cosmic rays6 pixels cancelled
source filespec-57024-HD110713N101244B_sp14-160.fits.gz

Gaia astrometry

Gaia DR3 source3868418219635118080
parallax [mas]1.3809 ± 0.0520
G14.191
Gabs4.930
μα [mas/yr]-21.631
μδ [mas/yr]13.226
l, b239.527, 59.392

Published (Culpan et al. 2022)

class (Culpan)sdB
class (SIMBAD)sdB
Teff [K]31970 ± 410
log g5.87 ± 0.10
log y-2.00 ± 0.15
reference2012MNRAS.427.2180N

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-1.09-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-0.97-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-0.92-40.0, 31.64.2-43.0, 43.0
Hε3970.07-0.89-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-0.87-20.0, 26.24.0-31.8, 32.0
Hη3835.38-0.86-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-0.85-16.0, 16.03.9-15.6, 16.7
Hι3770.63-0.84-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-1.05-11.9, 11.94.9-15.0, 13.8
He I 44724471.60-1.00-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-0.90-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-1.10-15.0, 15.05.1-15.0, 15.0