J05118+4141

RWT114  ·  Culpan knownhsd

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

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]32827 ± 781
log g6.014 ± 0.132
log n(He)/n(H)-2.357 ± 0.205
reduced χ²0.999 over 637 points
radial velocity-116.0 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 18:26:52

Observation

source filespec-56943-GAC079N41B1_sp14-174.fits.gz

Gaia astrometry

Gaia DR3 source201146826149598464
parallax [mas]0.8500 ± 0.0386
G15.555
Gabs5.270
μα [mas/yr]4.611
μδ [mas/yr]-0.719
l, b165.583, 1.347

Published (Culpan et al. 2022)

class (Culpan)sdB
class (SIMBAD)sdOB
Teff [K]32443 ± 295
log g5.52 ± 0.06
log y-2.58 ± 0.14
reference2021ApJS..256...28L

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-1.88-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-1.68-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-1.59-40.0, 31.64.2-43.0, 43.0
Hε3970.07-1.54-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-1.50-20.0, 26.24.0-31.8, 32.0
Hη3835.38-1.48-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-1.47-16.0, 16.03.9-15.6, 16.7
Hι3770.63-1.46-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-1.81-11.9, 11.94.9-15.0, 13.8
He I 44724471.60-1.73-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-1.56-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-1.90-15.0, 15.05.1-15.0, 15.0