J07380+2624

GALEXJ07380+2624  ·  Culpan knownhsd

χ²/N = 0.96

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]28467 ± 826
log g5.578 ± 0.136
log n(He)/n(H)-2.867 ± 0.305
reduced χ²0.960 over 633 points
radial velocity-88.0 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 18:28:40

Fit — Lei (TLUSTY)

Teff [K]27730 ± 660
log g5.550 ± 0.070
log n(He)/n(H)-3.140 ± 0.650
gridsLei et al. 2018, ApJ 868, 70
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

cosmic rays6 pixels cancelled
source filespec-56367-GAC113N28B1_sp07-157.fits.gz

Gaia astrometry

Gaia DR3 source869050009160765056
parallax [mas]0.8480 ± 0.0449
G14.568
Gabs4.273
μα [mas/yr]-1.520
μδ [mas/yr]-9.320
l, b193.272, 21.341

Published (Culpan et al. 2022)

class (Culpan)sdB
class (SIMBAD)sdB
Teff [K]29740 ± 400
log g5.48 ± 0.06
log y-3.40 ± 0.87
reference2012MNRAS.427.2180N

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-1.43-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-1.27-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-1.20-40.0, 31.64.2-43.0, 43.0
Hε3970.07-1.17-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-1.14-20.0, 26.24.0-31.8, 32.0
Hη3835.38-1.13-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-1.11-16.0, 16.03.9-15.6, 16.7
Hι3770.63-1.11-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-1.38-11.9, 11.94.9-15.0, 13.8
He I 44724471.60-1.31-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-1.18-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-1.44-15.0, 15.05.1-15.0, 15.0