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gamma Cas

Alert Notice 707: Campaign Monitoring of the Helium double peak emission at 6678 Å in gamma Cas - Update to Alert Notice 694

Reminder: High-resolution spectroscopy (10,000 or higher) is needed.  -  Elizabeth O. Waagen, 1 February 2021

June 17, 2020

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gamma Cas
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AAVSO Alert Notice 694
AAVSO Spectroscopy Database (AVSpec)
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  • Read more about Alert Notice 707: Campaign Monitoring of the Helium double peak emission at 6678 Å in gamma Cas - Update to Alert Notice 694

Gamma Cassiopeiae and the Be Stars

Gamma Cassiopeiae and the Be Stars

Father Angelo Secchi made many important contributions to the field of astronomy.
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