J00241+5601

LAMOSTJ002408.46+560139.2  ·  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]35174 ± 450
log g5.793 ± 0.058
log n(He)/n(H)-1.383 ± 0.059
reduced χ²0.999 over 639 points
radial velocity17.0 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 18:25:06

Fit — Lei (TLUSTY)

Teff [K]35020 ± 560
log g5.760 ± 0.130
log n(He)/n(H)-1.340 ± 0.100
gridsLei et al. 2020, ApJ 889, 117
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

cosmic rays21 pixels cancelled
source filespec-58076-GACII005N56M1_sp08-160.fits.gz

Gaia astrometry

Gaia DR3 source421328839978415616
parallax [mas]0.7213 ± 0.0406
G16.155
Gabs5.493
μα [mas/yr]-3.474
μδ [mas/yr]-5.066
l, b119.099, -6.641

Published (Culpan et al. 2022)

class (Culpan)sdOB
Teff [K]36247 ± 198
log g5.98 ± 0.03
log y-1.54 ± 0.03
reference2021ApJS..256...28L

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.320.28-40.0, 40.05.0-45.0, 45.0
Hγ4340.460.25-40.0, 36.84.5-43.0, 43.0
Hδ4101.730.23-40.0, 31.64.2-43.0, 43.0
Hε3970.070.23-28.0, 30.04.1-30.0, 35.0
Hζ3889.050.22-20.0, 26.24.0-31.8, 32.0
Hη3835.380.22-20.0, 14.64.0-20.7, 21.8
Hθ3797.900.22-16.0, 16.03.9-15.6, 16.7
Hι3770.630.21-13.0, 13.03.9-11.7, 11.6
He II 46864685.700.27-11.9, 11.94.9-15.0, 13.8
He I 44724471.600.25-15.0, 15.04.6-15.0, 15.0
He I 40264026.290.23-24.2, 15.04.2-15.0, 15.0
He I 49224921.930.28-15.0, 15.05.1-15.0, 15.0