J16320+0759

Culpan hotsd

χ²/N = 0.95

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]42031 ± 351
log g5.289 ± 0.029
log n(He)/n(H)-2.820 ± 0.066
reduced χ²0.949 over 742 points
radial velocity-14.0 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 18:32:09

Fit — Lei (TLUSTY)

Teff [K]38450 ± 840
log g5.420 ± 0.010
log n(He)/n(H)-2.710 ± 0.040
gridsLei et al. 2018, ApJ 868, 70
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

source filespec-57888-HD163300N063640B02_sp15-205.fits.gz

Gaia astrometry

Gaia DR3 source4440145853560129408
parallax [mas]1.1315 ± 0.0392
G12.839
BP − RP-0.392
Gabs3.108
μα [mas/yr]5.828
μδ [mas/yr]-0.218
RUWE0.679
l, b23.549, 34.547
selectionf_plx

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-0.23-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-0.20-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-0.19-40.0, 31.64.2-43.0, 43.0
Hε3970.07-0.19-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-0.18-20.0, 26.24.0-31.8, 32.0
Hη3835.38-0.18-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-0.18-16.0, 16.03.9-15.6, 16.7
Hι3770.63-0.18-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-0.22-11.9, 11.94.9-15.0, 13.8
He II 54125411.52-0.25-15.0, 15.05.6-15.0, 15.0
He II 45424541.59-0.21-15.0, 20.04.7-20.0, 20.0
He II 42004199.84-0.20-23.5, 33.84.3-20.0, 20.0
He I 44724471.60-0.21-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-0.19-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-0.23-15.0, 15.05.1-15.0, 15.0