J06271+2309

LAMOSTJ062711.95+230910.3  ·  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]44035 ± 1391
log g5.779 ± 0.151
log n(He)/n(H)-1.300 ± 0.171
reduced χ²0.987 over 639 points
radial velocity47.0 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 18:27:36

Fit — Lei (TLUSTY)

Teff [K]39790 ± 390
log g6.190 ± 0.070
log n(He)/n(H)-1.720 ± 0.090
gridsLei et al. 2019, ApJ 881, 135
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

cosmic rays15 pixels cancelled
source filespec-57044-GAC096N23M1_sp08-154.fits.gz

Gaia astrometry

Gaia DR3 source3377315754750660992
parallax [mas]0.3845 ± 0.0483
G15.919
Gabs4.042
μα [mas/yr]0.786
μδ [mas/yr]-3.423
l, b189.610, 5.331

Published (Culpan et al. 2022)

class (Culpan)sdOB
Teff [K]39790 ± 390
log g6.19 ± 0.07
log y-1.72 ± 0.09
reference2019ApJ...881..135L

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.320.76-40.0, 40.05.0-45.0, 45.0
Hγ4340.460.68-40.0, 36.84.5-43.0, 43.0
Hδ4101.730.64-40.0, 31.64.2-43.0, 43.0
Hε3970.070.62-28.0, 30.04.1-30.0, 35.0
Hζ3889.050.61-20.0, 26.24.0-31.8, 32.0
Hη3835.380.60-20.0, 14.64.0-20.7, 21.8
Hθ3797.900.60-16.0, 16.03.9-15.6, 16.7
Hι3770.630.59-13.0, 13.03.9-11.7, 11.6
He II 46864685.700.73-11.9, 11.94.9-15.0, 13.8
He I 44724471.600.70-15.0, 15.04.6-15.0, 15.0
He I 40264026.290.63-24.2, 15.04.2-15.0, 15.0
He I 49224921.930.77-15.0, 15.05.1-15.0, 15.0