J06523+0957

PN-K2-2  ·  Culpan knownhsd

outside the grid 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]60148 ± 395
log g6.062 ± 0.044
log n(He)/n(H)-1.607 ± 0.037
reduced χ²0.986 over 743 points
radial velocity-146.0 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 18:27:51

Fit — Lei (TLUSTY)

Teff [K]70180 ± 1800
log g5.780 ± 0.040
log n(He)/n(H)-1.440 ± 0.100
gridsLei et al. 2018, ApJ 868, 70
SYNSPEC 49 spectra from NLTE TLUSTY 204 model atmospheres, through XTgrid

Observation

source filespec-57377-GAC104N11B1_sp02-223.fits.gz

Gaia astrometry

Gaia DR3 source3158419684195782656
parallax [mas]1.2036 ± 0.0471
G14.203
Gabs4.652
μα [mas/yr]-2.265
μδ [mas/yr]-8.389
l, b204.150, 4.734

Published (Culpan et al. 2022)

class (Culpan)O(H)
class (SIMBAD)sdO
Teff [K]65883 ± 520
log g6.02 ± 0.02
log y-1.46 ± 0.02
reference2021ApJS..256...28L

Fitted lines

lineλ [Å]shift [Å]continuum at±avgfitted over
Hβ4861.32-2.37-40.0, 40.05.0-45.0, 45.0
Hγ4340.46-2.11-40.0, 36.84.5-43.0, 43.0
Hδ4101.73-2.00-40.0, 31.64.2-43.0, 43.0
Hε3970.07-1.93-28.0, 30.04.1-30.0, 35.0
Hζ3889.05-1.89-20.0, 26.24.0-31.8, 32.0
Hη3835.38-1.87-20.0, 14.64.0-20.7, 21.8
Hθ3797.90-1.85-16.0, 16.03.9-15.6, 16.7
Hι3770.63-1.84-13.0, 13.03.9-11.7, 11.6
He II 46864685.70-2.28-11.9, 11.94.9-15.0, 13.8
He II 54125411.52-2.64-15.0, 15.05.6-15.0, 15.0
He II 45424541.59-2.21-15.0, 20.04.7-20.0, 20.0
He II 42004199.84-2.05-23.5, 33.84.3-20.0, 20.0
He I 44724471.60-2.18-15.0, 15.04.6-15.0, 15.0
He I 40264026.29-1.96-24.2, 15.04.2-15.0, 15.0
He I 49224921.93-2.40-15.0, 15.05.1-15.0, 15.0