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IND-IIA-F227 · Fond · 10-09-1975

The fond contain newspaper clippings on Astronomy: Ionosphere reading of stars. This states that the Indian astrophysicists propose that the Earth's ionosphere disturbances caused by X-ray bursts (XAY BIRT) could signal stellar activity. This alerts astronomers to phenomena like Sc X1's X-ray emissions. Detecting the impact of stars on the ionosphere is challenging due to background interference, with debates on ionization and magnetic field effects. Dr. Sastri and Dr. Murthy's experimental study reveals a significant magnetic field increase during a Sc X1 flare. Understanding the ionosphere's response to X-rays, including gamma rays from catastrophic stellar events, may offer a distinctive detection method for monitoring space events, aiding astronomers in decoding cosmic phenomena efficiently.

Indian Institute of Astrophysics
IND-IIA-F160 · Fond · 1970-1980

These photographic slides contain photos of the Mexico Eclipse camp in 1970, the solar corona in 1980, and the Spectrograph well.

Indian Institute of Astrophysics
IND-IIA-F107 · Fond · 1923

These Photographic slides contain some astronomical events of planetary nebula named NGC 2346 and NGC 6894 in Cygnus and the solar system and 10 billion years life cycle of our Sun. These slides look like negative photographs.

Indian Institute of Astrophysics
IND-IIA-F147 · Fond · 1974

The photographic slides contain images of Neptune's atmosphere, Winds on Jupiter, Comet, Saturn's storm, the moon and rings of Uranus, Saturn's rings, Jupiter and some observational graphs. The slides were received from Dr. Vasundhara.

Indian Institute of Astrophysics