J12368+5015

PG1234+505  ·  Culpan knownhsd

χ²/N = 0.97

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]43870 ± 454
log g5.673 ± 0.038
log n(He)/n(H)-2.434 ± 0.081
reduced χ²0.971 over 743 points
radial velocity-93.0 km s−1
resolution (FWHM)2.50 Å
lines fitted15
gridsHE-0.041.fits
HE-0.125.fits
HE-0.300.fits
HE-0.550.fits
+9 more
fitted04/09/2026 18:30:39

Fit — Lei (TLUSTY)

Teff [K]48380 ± 1350
log g5.230 ± 0.060
log n(He)/n(H)-2.320 ± 0.120
gridsLei et al. 2018, ApJ 868, 70
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

source filespec-59586-HD124414N514533B02_sp02-249.fits.gz

Gaia astrometry

Gaia DR3 source1568451554613870848
parallax [mas]0.6582 ± 0.0459
G14.649
Gabs3.831
μα [mas/yr]-12.232
μδ [mas/yr]-0.312
l, b128.824, 66.708

Published (Culpan et al. 2022)

class (Culpan)sdO
class (SIMBAD)sdO
Teff [K]44458 ± 563
log g5.53 ± 0.04
log y-2.81 ± 0.22
reference2021ApJS..256...28L

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-1.51-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-1.35-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-1.27-40.0, 31.64.2-43.0, 43.0
Hε3970.07-1.23-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-1.21-20.0, 26.24.0-31.8, 32.0
Hη3835.38-1.19-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-1.18-16.0, 16.03.9-15.6, 16.7
Hι3770.63-1.17-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-1.45-11.9, 11.94.9-15.0, 13.8
He II 54125411.52-1.68-15.0, 15.05.6-15.0, 15.0
He II 45424541.59-1.41-15.0, 20.04.7-20.0, 20.0
He II 42004199.84-1.30-23.5, 33.84.3-20.0, 20.0
He I 44724471.60-1.39-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-1.25-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-1.53-15.0, 15.05.1-15.0, 15.0