Identity area
Reference code
Title
Date(s)
- 10-09-1975 (Creation)
Level of description
Extent and medium
1 newspaper clipping
Context area
Name of creator
Biographical history
Repository
Archival history
The collection was transferred from IIA library to IIA Archives
Immediate source of acquisition or transfer
The collection was acquired from IIA library
Content and structure area
Scope and content
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.
Appraisal, destruction and scheduling
The documents were transferred to the IIA archives and have been preserved
Accruals
Further accruals are not expected
System of arrangement
Arranged roughly by events
Conditions of access and use area
Conditions governing access
Researchers must sign IIA Archival access agreement
Conditions governing reproduction
Copyright is retained by IIA Archives
Language of material
English
Script of material
Latin
Language and script notes
The document is in English
Physical characteristics and technical requirements
The document is in good condition, and the texts are clear and readable
Finding aids
Allied materials area
Existence and location of originals
The originals were located in IIA Archives
Existence and location of copies
The original files are transferred to Bangalore campus, then processed and archived
Related units of description
Notes area
Alternative identifier(s)
Access points
Subject access points
Place access points
Name access points
- Murthy, B. Suryanarayana (Subject)
- Sastri, J. Hanumath (Subject)
- Indian Institute of Astrophysics (Subject)
Genre access points
Description control area
Description identifier
Institution identifier
Rules and/or conventions used
Archival description is based on ISAD(G), second edition.
Status
Level of detail
Dates of creation revision deletion
Language(s)
English
Script(s)
Latin
Sources
Archivist's note
Processed by IIA Archives