J13060+0924

PG1303+097  ·  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]28688 ± 178
log g5.759 ± 0.029
log n(He)/n(H)-2.978 ± 0.107
reduced χ²0.999 over 638 points
radial velocity-109.0 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 18:30:54

Fit — Lei (TLUSTY)

Teff [K]29870 ± 250
log g5.760 ± 0.020
log n(He)/n(H)-3.350 ± 0.230
gridsLei et al. 2018, ApJ 868, 70
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

cosmic rays3 pixels cancelled
source filespec-57133-HD130210N105732B02_sp07-122.fits.gz

Gaia astrometry

Gaia DR3 source3734224925705249152
parallax [mas]1.1123 ± 0.0411
G14.436
Gabs4.711
μα [mas/yr]-7.275
μδ [mas/yr]-17.870
l, b314.646, 71.947

Published (Culpan et al. 2022)

class (Culpan)sdB
class (SIMBAD)sdB
Teff [K]29800 ± 500
log g5.83 ± 0.05
log y-2.17 ± 0.10
reference2013A&A...557A.122G

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-1.77-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-1.58-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-1.49-40.0, 31.64.2-43.0, 43.0
Hε3970.07-1.44-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-1.41-20.0, 26.24.0-31.8, 32.0
Hη3835.38-1.39-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-1.38-16.0, 16.03.9-15.6, 16.7
Hι3770.63-1.37-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-1.70-11.9, 11.94.9-15.0, 13.8
He I 44724471.60-1.63-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-1.46-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-1.79-15.0, 15.05.1-15.0, 15.0