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Geminga
EntityQ18096· pop 24· linked from 109 articles

Geminga ( ) is a gamma ray and x-ray pulsar source thought to be a neutron star approximately 250 parsecs (around 800 light-years) from the Sun in the constellation Gemini.

Wikidata facts

Distance from Earth
815
Image
Halo around pulsar Geminga.jpg
Show 6 more facts
catalog code
2XMM J063354.2+174614
time of discovery or invention
1972-01-01
Commons category
Geminga
right ascension
98.4756375
declination
17.7702528
parallax
4.0
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via Wikidata · CC0

~6 min read

Article

7 sections
Contents
  • Pulsar
  • Discovery and identification
  • Proper motion
  • Timing measurements
  • See also
  • References
  • External links

Geminga ( ) is a gamma ray and x-ray pulsar source thought to be a neutron star approximately 250 parsecs (around 800 light-years) from the Sun in the constellation Gemini.

Its name, attributed by its discoverer Giovanni Bignami, is both a contraction of Gemini gamma-ray source and a transcription of the words (), meaning "it's not there" in Bignami's native Milanese dialect of Lombard. The name was approved by the International Astronomical Union on 4 April 2022.

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