Delta Pyxidis

Delta Pyxidis
Diagram showing star positions and boundaries of the Pyxis constellation and its surroundings


Location of δ Pyxidis (circled)

Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Pyxis
Right ascension 08h 55m 31.52s
Declination −27° 40' 53.9"
Apparent magnitude (V) +4.87
Distance226 ly
(69 pc)
Spectral typeA3IV
Other designations
δ Pyxidis, δ Pyx, Delta Pyx, CCDM J08555-2741A, CPD−27  3497, GC 12343, HD 76483, HIP 43825, HR 3556, IDS 08512-2718 A, PPM 255378, SAO 176697, WDS J08555-2741A

Delta Pyxidis (Delta Pyx, δ Pyxidis, δ Pyx) is multiple star system in constellation of Pyxis, with an apparent magnitude of +4.87. The primary component is a white A-type subgiant. It is approximately 226 light years from Earth.

Delta Pyxidis is moving through the Galaxy at a speed of 41.8 km/s relative to the Sun. Its projected Galactic orbit carries it between 18,800 and 31,400 light years from the center of the Galaxy.[1]

Naming

In Chinese, 天狗 (Tiān Gǒu), meaning Celestial Dog, refers to an asterism consisting of δ Pyxidis, e Velorum, f Velorum, β Pyxidis, α Pyxidis and γ Pyxidis. Consequently, δ Pyxidis itself is known as 天狗七 (Tiān Gǒu qī, English: the Seventh Star of Celestial Dog.)[2]

References

  1. ↑ Delta Pyxidis (HIP 43825)
  2. ↑ (Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 17 日
This article is issued from Wikipedia - version of the 3/7/2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.