J03548+3515

Culpan hotsd

outside the grid χ²/N = 1.02

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]64696 ± 581
log g7.127 ± 0.126
log n(He)/n(H)-2.807 ± 0.140
reduced χ²1.021 over 742 points
radial velocity-120.0 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
settledoutside the grid
fitted04/09/2026 18:26:22

Fit — Lei (TLUSTY)

Teff [K]77920 ± 4860
log g7.060 ± 0.160
log n(He)/n(H)-1.280 ± 0.230
gridsLei et al. 2019, ApJ 881, 135
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

source filespec-57044-GAC057N34M1_sp09-205.fits.gz

Gaia astrometry

Gaia DR3 source218951870771462144
parallax [mas]0.9960 ± 0.0784
G16.803
BP − RP-0.259
Gabs6.794
μα [mas/yr]1.506
μδ [mas/yr]-10.142
RUWE1.017
l, b160.085, -14.068
selectionf_plx

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-1.95-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-1.74-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-1.64-40.0, 31.64.2-43.0, 43.0
Hε3970.07-1.59-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-1.56-20.0, 26.24.0-31.8, 32.0
Hη3835.38-1.54-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-1.52-16.0, 16.03.9-15.6, 16.7
Hι3770.63-1.51-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-1.88-11.9, 11.94.9-15.0, 13.8
He II 54125411.52-2.17-15.0, 15.05.6-15.0, 15.0
He II 45424541.59-1.82-15.0, 20.04.7-20.0, 20.0
He II 42004199.84-1.68-23.5, 33.84.3-20.0, 20.0
He I 44724471.60-1.79-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-1.61-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-1.97-15.0, 15.05.1-15.0, 15.0