J10352+4021

PG1032+406  ·  Culpan knownhsd

χ²/N = 0.97

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]31515 ± 170
log g5.794 ± 0.024
log n(He)/n(H)-2.229 ± 0.035
reduced χ²0.968 over 636 points
radial velocity-78.0 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 18:30:09

Fit — Lei (TLUSTY)

Teff [K]31660 ± 110
log g5.920 ± 0.040
log n(He)/n(H)-2.240 ± 0.020
gridsLei et al. 2019, ApJ 881, 135
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

source filespec-57085-HD103949N392416V01_sp15-052.fits.gz

Gaia astrometry

Gaia DR3 source780253140863277184
parallax [mas]4.6678 ± 0.0542
G11.448
Gabs4.822
μα [mas/yr]-79.212
μδ [mas/yr]-42.896
l, b178.877, 59.010

Published (Culpan et al. 2022)

class (Culpan)sdB+WD
class (SIMBAD)sdB
Teff [K]31600 ± 900
log g5.77 ± 0.10
log y-2.30 ± 0.10
reference2001MNRAS.326.1391M

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-1.26-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-1.13-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-1.07-40.0, 31.64.2-43.0, 43.0
Hε3970.07-1.03-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-1.01-20.0, 26.24.0-31.8, 32.0
Hη3835.38-1.00-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-0.99-16.0, 16.03.9-15.6, 16.7
Hι3770.63-0.98-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-1.22-11.9, 11.94.9-15.0, 13.8
He I 44724471.60-1.16-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-1.05-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-1.28-15.0, 15.05.1-15.0, 15.0