Astronomy & Cosmology
Wilson-Bappu effect
1957M. K. Vainu Bappu (with Olin Wilson)Astrophysical Journal (1957)Diaspora (work abroad)
1957
A relation between a star's calcium-line width and its luminosity, used to estimate distances.
- Dated
- 1957
- As scholars put it
- 1957
- Originator
- M. K. Vainu Bappu (with Olin Wilson)
- Source text
- Astrophysical Journal (1957)
- Region
- Diaspora (work abroad)
- Discipline
- Astronomy & Cosmology
- Evidence
- Documented
- Confidence
- High
- Verification
- Reference-cited
Meanwhile in the West
Named jointly with the American Olin Wilson.
Fair to say
Discovered while Bappu was working abroad.
Path to modern innovation
A standard tool in stellar astrophysics.
Transmission
Work done in the US; Bappu later built Indian observatories.
References
- 1Wilson & Bappu (1957)
Further reading
Corrections and additional sources: edit IND-277 on GitHub.