Dust Formation in the Nova V1533 Scorpii
Abstract
We present infrared spectroscopy from two epochs of V1533 Scorpii (=Nova Scorpii 2013); one from immediately before dust formation and a second, from one month later when dust formation was complete. The pre-dust spectrum shows strong lines of C I, features that weakened considerably but were still present after dust formation. Also present in the post-formation spectrum was O I emission from the neutral region, indicating that dust formation did not full deplete either carbon or oxygen. While thermal emission from the dust, of a temperature very close to 870 K, dominated the later spectrum, the extinction did not change measurably between epochs, indicating that little or no dust blocked the line-of-sight. Although carbon monoxide was not detected in the first epoch spectrum, weak emission from molecular hydrogen may have been present.
- Publication:
-
Research Notes of the American Astronomical Society
- Pub Date:
- May 2021
- DOI:
- 10.3847/2515-5172/ac0258
- Bibcode:
- 2021RNAAS...5..120R
- Keywords:
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- Novae;
- Fast novae;
- 1127;
- 530