J23139+0712

PB5296  ·  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]44205 ± 1431
log g6.101 ± 0.174
log n(He)/n(H)-2.383 ± 0.204
reduced χ²0.998 over 746 points
radial velocity-38.0 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 18:34:13

Fit — Lei (TLUSTY)

Teff [K]43610 ± 620
log g5.650 ± 0.150
log n(He)/n(H)-2.640 ± 0.240
gridsLei et al. 2019, ApJ 881, 135
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

cosmic rays9 pixels cancelled
source filespec-57368-EG231920N071253M01_sp03-096.fits.gz

Gaia astrometry

Gaia DR3 source2665196154002229376
parallax [mas]0.2846 ± 0.0924
G16.923
μα [mas/yr]1.814
μδ [mas/yr]-5.276
l, b84.911, -48.326

Published (Culpan et al. 2022)

class (Culpan)sdO
Teff [K]42082 ± 496
log g6.11 ± 0.08
log y-2.55 ± 0.20
reference2021ApJS..256...28L

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-0.62-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-0.55-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-0.52-40.0, 31.64.2-43.0, 43.0
Hε3970.07-0.50-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-0.49-20.0, 26.24.0-31.8, 32.0
Hη3835.38-0.49-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-0.48-16.0, 16.03.9-15.6, 16.7
Hι3770.63-0.48-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-0.59-11.9, 11.94.9-15.0, 13.8
He II 54125411.52-0.69-15.0, 15.05.6-15.0, 15.0
He II 45424541.59-0.58-15.0, 20.04.7-20.0, 20.0
He II 42004199.84-0.53-23.5, 33.84.3-20.0, 20.0
He I 44724471.60-0.57-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-0.51-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-0.62-15.0, 15.05.1-15.0, 15.0