J07355+0258

LAMOSTJ073535.55+025810.1  ·  Culpan knownhsd

χ²/N = 1.01

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]36547 ± 525
log g5.720 ± 0.075
log n(He)/n(H)-1.450 ± 0.064
reduced χ²1.006 over 637 points
radial velocity-176.0 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 18:28:35

Fit — Lei (TLUSTY)

Teff [K]37090 ± 180
log g5.710 ± 0.070
log n(He)/n(H)-1.470 ± 0.080
gridsLei et al. 2020, ApJ 889, 117
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

source filespec-58068-HD073149N010954B01_sp12-059.fits.gz

Gaia astrometry

Gaia DR3 source3135525623021849088
parallax [mas]0.5405 ± 0.0501
G15.931
Gabs4.689
μα [mas/yr]0.785
μδ [mas/yr]1.331
l, b215.332, 11.175

Published (Culpan et al. 2022)

class (Culpan)sdOB
Teff [K]36593 ± 173
log g5.74 ± 0.04
log y-1.56 ± 0.03
reference2021ApJS..256...28L

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-2.85-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-2.55-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-2.41-40.0, 31.64.2-43.0, 43.0
Hε3970.07-2.33-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-2.28-20.0, 26.24.0-31.8, 32.0
Hη3835.38-2.25-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-2.23-16.0, 16.03.9-15.6, 16.7
Hι3770.63-2.21-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-2.75-11.9, 11.94.9-15.0, 13.8
He I 44724471.60-2.63-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-2.36-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-2.89-15.0, 15.05.1-15.0, 15.0