PNV J05145365-7009486 is a He-N Nova in the LMC
ATel #13287; Frederick M Walter (Stony Brook University)
on 12 Nov 2019; 16:42 UT
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PNV J05145365-7009486, reported by Patrick Schmeer in vsnet-alert 23706, was discovered by the
BraTS transient search on UT 2019 Nov. 11.2263 at magnitude 12.
I obtained a spectrum with the Chiron high resolution spectrograph on
the SMARTS/CTIO 1.5m telescope at UT 2019 Nov. 12.27. The spectrum is a
600 second integration at R=27,800 covering the 4080 - 8900A region.
I confirm that this is a nova in the LMC: interstellar sodium D lines are seen at both at rest and at the +278 km/s
velocity of the LMC.
The nova appears to be of He-N spectra type. H-alpha and H-beta are strongly
in emission, with equivalent widths of -690 and -140 Angstroms, respectively.
The FWZI of H-alpha exceeds 8500 km/s.
There appear to be structured P Cyg absorption features extending to
-4300 km/s at H-beta, -4000 km/s at He I 5876, and -3100 km/s at O I 7774,
Broad emission from He I 7065, O I 8446, and possibly N II 5679 are evident.
The continuum is underexposed, especially in the blue.
He II 4686 is not evident, likely because the nova is still young.