J07322+0612

LAMOSTJ073215.64+061212.1  ·  Culpan knownhsd

χ²/N = 0.99

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]27915 ± 344
log g5.522 ± 0.059
log n(He)/n(H)-3.136 ± 0.227
reduced χ²0.987 over 636 points
radial velocity-120.0 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 18:28:32

Fit — Lei (TLUSTY)

Teff [K]28910 ± 170
log g5.540 ± 0.080
log n(He)/n(H)-3.080 ± 0.500
gridsLei et al. 2019, ApJ 881, 135
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

cosmic rays7 pixels cancelled
source filespec-57733-HD072545N042645B01_sp12-181.fits.gz

Gaia astrometry

Gaia DR3 source3141525486172958336
parallax [mas]0.5969 ± 0.0595
G15.911
Gabs4.880
μα [mas/yr]-2.180
μδ [mas/yr]-5.355
l, b212.004, 11.890

Published (Culpan et al. 2022)

class (Culpan)sdB
Teff [K]28757 ± 327
log g5.47 ± 0.05
log y-3.16 ± 0.09
reference2021ApJS..256...28L

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 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