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Named star

Ukdah

HIP
47431
Designation
35 Iot Hya
Bayer designation
ι Hya
Visual magnitude
3.9
Constellation
Water Snake
Name approved by the IAU
2018-06-01
Origin of the name

The IAU catalogue's account

Kazwini knew the stars tau1, tau2 Hya as عقدة ʽuqdah (or ʽuḳdah), Arabic "knot". Rhoads (1971) considers this asterism consisting of four stars: tau1, tau2, 33 and ι Hya.

Source language
Arabic
Reference
Rhoads (1971)

Source: IAU Catalog of Star Names (IAU-CSN), Working Group on Star Names. The account is the IAU's own text and is quoted in full: it is published under CC BY.

Geometric chains

Corpus chains passing through this star. Deviation is the cross-track angular distance of the third star from the great-circle plane.

  • Пегас → Возничий → ГидраБлагословение Авраама → Господь Творения — Добрый Пастырь → Сатана под судомWith: Markab, Hassaleh · Deviation 0,000379425° · worked up
  • Пегас → Рак → ГидраБлагословение Авраама → Пастырь, безопасно ведущий Свой народ домой → Сатана под судомWith: Sadalbari, Asellus Australis · Deviation 0,000845949°
Constellation

Water Snake

H1

Other named stars of this constellation:

All stars of this constellation →