J09327+0816sdOB

PG0930+085  ·  09:32:45.91 08:16:18.55  ·  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]32181 ± 752
log g5.748 ± 0.111
log n(He)/n(H)-1.748 ± 0.092
reduced χ²0.992 over 639 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 18:29:45

Fit — Lei (TLUSTY)

Teff [K]31710 ± 420
log g5.730 ± 0.040
log n(He)/n(H)-1.840 ± 0.080
gridsLei et al. 2019, ApJ 881, 135
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

S/N (classifier)55.9
source filespec-56719-HD092329N074249M_sp13-039.fits.gz

Gaia astrometry

Gaia DR3 source588040469465211904
parallax [mas]-0.1136 ± 0.1393
G16.439
μα [mas/yr]-7.318
μδ [mas/yr]1.795
l, b225.197, 39.466

Published (Culpan et al. 2022)

class (Culpan)sdOB
class (SIMBAD)sdO
Teff [K]33519 ± 904
log g5.89 ± 0.13
log y-1.70 ± 0.20
reference2017OAst...26..164G

Classifier

AGREES

fitted Teff 33519 logg 5.89 logY -1.7 2017OAst...26..164G

auto: He II 0.42 (3.6 sigma)

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