Word.ws English Dictionary

keogram

keogram noun: a photographic method of capturing aurorae.

Noun

keogram (plural keograms)

  1. A photographic method of capturing aurorae.
    • Various types of data formats can be obtained starting with the digitized data. One currently being used in combination with magnetospheric studies is the "keogram" picture⁽⁴⁾. This technique combines each intensity versus zenith angle scan on a horizontal time axis.1976, Douglas P. McNutt, Society of Photo-optical Instrumentation Engineers, Methods for Atmospheric Radiometry, August 26-27, 1976, San Diego, California, illustrated edition, volume 91, SPIE...
    • A diagram of the latitudinal variations with time is sometimes called a keogram. Neither scanning photometers nor cameras are sufficiently sensitive to record the most rapid fluctuations in the auroral emissions, but TV techniques, both monochrome and color, are more sensitive and have been applied...2007 September 10, R. D. Hunsucker, J. K. Hargreaves, “Chapter 6 The aurora the substorm and the E region”, in The High-Latitude Ionosphere and its Effects on Radio Propagation, Cambridge University...

Examples of keogram in a sentence

  • A diagram of the latitudinal variations with time is sometimes called a keogram.2007 September 10, R. D. Hunsucker, J. K. Hargreaves, “Chapter 6 The aurora the substorm and the E region”, in The High-Latitude Ionosphere...
  • A ewogram is similar to a keogram except that the vertical axis is magnetic longitude instead of magnetic latitude for a keogram.2011 June 21, William Liu, Masaki Fujimoto, “Part II Magnetotail Dynamics”, in The Dynamic Magnetosphere, illustrated edition, volume 3...
  • The middle panel shows a keogram, which is a time series of the north-south cross-section of the all-sky image, and the bottom panel is the classification result for the same period.2022 May 31, Sota Nanjo, et al., “An automated auroral detection system using deep learning: real-time operation in Tromsø, Norway”, in...

Forms of keogram

pluralkeograms

Questions about keogram

What does keogram mean?
Keogram means a photographic method of capturing aurorae.
How do you use keogram in a sentence?
A diagram of the latitudinal variations with time is sometimes called a keogram.
What part of speech is keogram?
Keogram is a noun.
What is the plural of keogram?
The plural of keogram is keograms.

Words near keogram in the dictionary

  1. Keogh
  2. Keogh plan
  3. Keogh plans
  4. Keoghan
  5. Keoghs
  6. keogram
  7. keograms
  8. Keohane
  9. Keohanes
  10. Keokea
  11. Keokuk

Source and license

Adapted from Wiktionary: keogram (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “keogram.” Word.ws, https://word.ws/keogram. Based on Wiktionary, CC BY-SA 4.0.