Identity area
Reference code
Title
Date(s)
- 03-02-1916 (Creation)
Level of description
Extent and medium
1 laminated sheet
Context area
Name of creator
Biographical history
Narayana Ayyar was an Indian astronomer at the Kodaikanal Solar Observatory, contributing significantly to solar research, particularly in sunspots and solar magnetic fields. Established in 1899, the observatory has played a vital role in advancing solar physics in India and globally, enriching our understanding of solar activity.
Repository
Archival history
The documents were transferred from Kodaikanal Solar Observatory to IIA Archives
Immediate source of acquisition or transfer
The documents were acquired from Kodaikanal Solar Observatory
Content and structure area
Scope and content
The letter was about the zodiacal light observation in 1916 done by A. A. Narayana Ayyar from Solar Physics Observatory, Kodaikanal. Thomas Royds sent the letter to Maunder in 1916. A. A Narayana Ayyar was the third assistant of Kodaikanal Observatory during that time.
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
All documents are 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 the Kodaikanal Solar Observatory
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
- Royds, Thomas (Subject)
- Maunder (Subject)
- Narayana Ayyar, A. A. (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