J13508+3642

PG1348+369 · Culpan knownhsd

outside the grid 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

Observed spectrum in black, model in red, offset by line. Balmer series left, helium right.

Results and provenance

Fit — Bamberg

T_eff [K]	58951 ± 463
log g	6.594 ± 0.089
log n(He)/n(H)	-0.879 ± 0.093
reduced χ²	0.968 over 746 points
radial velocity	-136.0 km s⁻¹
resolution (FWHM)	2.50 Å
lines fitted	15
grids	HE-0.041.fits HE-0.125.fits HE-0.300.fits HE-0.550.fits +9 more
settled	outside the grid
fitted	04/09/2026 18:31:07

Observation

source file

spec-58902-HD134619N383013V02_sp07-025.fits.gz

Gaia astrometry

Gaia DR3 source	1495299843425776000
parallax [mas]	1.0947 ± 0.0244
G	13.361
G_abs	3.589
μ_α [mas/yr]	-21.249
μ_δ [mas/yr]	-1.155
l, b	73.896, 74.198

Published (Culpan et al. 2022)

class (Culpan)	sdO+dMe
class (SIMBAD)	sdOB

Fitted lines

line	λ [Å]	shift [Å]	continuum at	±avg	fitted over
H_β	4861.32	-2.21	-40.0, 40.0	5.0	-45.0, 45.0
H_γ	4340.46	-1.97	-40.0, 36.8	4.5	-43.0, 43.0
H_δ	4101.73	-1.86	-40.0, 31.6	4.2	-43.0, 43.0
H_ε	3970.07	-1.80	-28.0, 30.0	4.1	-30.0, 35.0
H_ζ	3889.05	-1.76	-20.0, 26.2	4.0	-31.8, 32.0
H_η	3835.38	-1.74	-20.0, 14.6	4.0	-20.7, 21.8
H_θ	3797.90	-1.72	-16.0, 16.0	3.9	-15.6, 16.7
H_ι	3770.63	-1.71	-13.0, 13.0	3.9	-11.7, 11.6
He II 4686	4685.70	-2.13	-11.9, 11.9	4.9	-15.0, 13.8
He II 5412	5411.52	-2.45	-15.0, 15.0	5.6	-15.0, 15.0
He II 4542	4541.59	-2.06	-15.0, 20.0	4.7	-20.0, 20.0
He II 4200	4199.84	-1.91	-23.5, 33.8	4.3	-20.0, 20.0
He I 4472	4471.60	-2.03	-15.0, 15.0	4.6	-15.0, 15.0
He I 4026	4026.29	-1.83	-24.2, 15.0	4.2	-15.0, 15.0
He I 4922	4921.93	-2.23	-15.0, 15.0	5.1	-15.0, 15.0