J01014-7415
Culpan hotsd
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
Results and provenance
Fit — Bamberg
| Teff [K] | 31483 ± 682 |
| log g | 5.772 ± 0.106 |
| log n(He)/n(H) | -4.704 ± 8.450 |
| reduced χ² | 0.985 over 573 points |
| radial velocity | 13.0 km s−1 |
| resolution (FWHM) | 2.00 Å |
| lines fitted | 12 |
| grids | HE-0.041.fits HE-0.125.fits HE-0.300.fits HE-0.550.fits +9 more |
| fitted | 04/09/2026 19:07:16 |
Observation
| source file | spec-029040-60158-27021599478685619.fits |
Gaia astrometry
| Gaia DR3 source | 4684854604550869248 |
| parallax [mas] | 0.6240 ± 0.0328 |
| G | 15.293 |
| BP − RP | -0.411 |
| Gabs | 4.269 |
| μα [mas/yr] | -3.224 |
| μδ [mas/yr] | -1.670 |
| RUWE | 1.002 |
| l, b | 302.007, -42.855 |
| selection | f_plx |
Fitted lines
| line | λ [Å] | shift [Å] | continuum at | ±avg | fitted over |
| Hβ | 4861.32 | 0.21 | -40.0, 40.0 | 5.0 | -45.0, 45.0 |
| Hγ | 4340.46 | 0.19 | -40.0, 36.8 | 4.5 | -43.0, 43.0 |
| Hδ | 4101.73 | 0.18 | -40.0, 31.6 | 4.2 | -43.0, 43.0 |
| Hε | 3970.07 | 0.17 | -28.0, 30.0 | 4.1 | -30.0, 35.0 |
| Hζ | 3889.05 | 0.17 | -20.0, 26.2 | 4.0 | -31.8, 32.0 |
| Hη | 3835.38 | 0.17 | -20.0, 14.6 | 4.0 | -20.7, 21.8 |
| H\d10 3797.90 ---- | |||||
| H\d11 3770.63 ---- | |||||
| He II 4686 | 4685.70 | 0.20 | -11.9, 11.9 | 4.9 | -15.0, 13.8 |
| He I 4472 | 4471.60 | 0.19 | -15.0, 15.0 | 4.6 | -15.0, 15.0 |
| He I 4026 | 4026.29 | 0.17 | -24.2, 15.0 | 4.2 | -15.0, 15.0 |
| He I 4922 | 4921.93 | 0.21 | -15.0, 15.0 | 5.1 | -15.0, 15.0 |
Spectral energy distribution
Teff 31483 K · log g 5.772 · E(44−55) 0.032 · χ²r 0.16 over 38 bands
distance 1603 pc · parallax 0.6200 ± 0.0300 mas (5%) · R 0.1746 +0.0100 −0.0090 R☉ · M 0.658 +0.114 −0.096 M☉ — above the 0.47 canonical mass · L 27.0 +3.3 −2.8 L☉
Photometry against the model, with the residual beneath it in units of the error. The horizontal bar on each point is the passband, not an error; a hollow point was not fitted and the tooltip says why. Drag a box to zoom, double-click or Esc to come back out.