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[Nu] Geminorum, a long period binary

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Published by Dominion Observatory in Ottawa .
Written in English


  • Astronomical spectroscopy,
  • Stars,
  • Étoiles,
  • Spectroscopie astronomique,
  • Spectra,
  • Spectre

Book details:

Edition Notes

Statementby W.E. Harper
SeriesCIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 9-90938, CIHM/ICMH microfiche series -- no. 9-90938, Publications of the Dominion Observatory -- v. 4, no. 19.
ContributionsDominion Observatory (Canada)
The Physical Object
Pagination1 microfiche (9 fr.)
ID Numbers
Open LibraryOL24974950M
ISBN 100659909383

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Nu Geminorum (ν Gem) is a binary, and possibly a multiple star system in the constellation has an apparent visual magnitude of , which is bright enough to be visible to the naked eye on a dark night. Based upon an annual parallax shift of mas, it is located at a distance of roughly light years from the Sun.. The main components of this potentially multiple star system. [Nu] Geminorum, a long period binary [electronic resource] / By W. E. (William Edmund) Harper and Dominion Observatory (Canada) Abstract. WW Gem is a B-type eclipsing binary with a period of days. The CCD photometry of this binary was performed in December using the 85 cm telescope at the Xinglong Stations of the National Astronomical Observatories of China. Using the updated W-D program, the photometric model was deduced from the VRI light curves. U Geminorum (U Gem), in the constellation Gemini, is an archetypal example of a dwarf binary star system consists of a white dwarf closely orbiting a red few months it undergoes an outburst that greatly increases its brightness. The dwarf nova class of variable stars are often referred to as U Geminorum variables after this star.

Starspot modeling of ten years of photometry of the long-period RS CVn binary Sigma Geminorum. Article. of the long period (Porb = days) RS CVn binary σ . THE γ-ray source CG+4 (Geminga) discovered by SAS 2 and further observed by COS B has a period of 59 s which is increasing at a rate Ṗ = 2×10−9 (refs 1,2). If the periodicity is produced. We present a spectroscopic and photometric analysis of V Aql, an early-type eclipsing binary with a quite short period, i.e. d. Radial velocity curves of both components were constructed. Mu Geminorum has an average apparent visual magnitude of , which makes it the fourth-brightest member of is degrees south of the ecliptic, so it is subject to occultations by the Moon and, rarely, by planets. Seen from Earth, its brightness is reduced by magnitudes by extinction from intervening gas and dust.. It is a slow irregular variable of type LB.

Binary numbers have many uses in mathematics and beyond. For example is five bits long. The word bit is made up from the words "binary digit" How to Show that a Number is Binary. To show that a number is a binary number, follow it with a little 2 like this: 2.   The I-Ching is one of the oldest of the Chinese classic texts and divination systems and is thought to pre-date recorded history. Although the oldest manuscript that has been found dates back to the Warring States period ( – BC), traditional Chinese accounts assert that its origins trace back to the 3 rd millennium BC and was passed down as oral tradition. Beta Aurigae is an interesting variable star in the constellation; Epsilon Aurigae, a nearby eclipsing binary with an unusually long period, has been studied intensively. Because of its position near the winter Milky Way, Auriga has many bright open clusters in its borders, including M36, M37, and M38, popular targets for amateur astronomers.   Binary Numbers •The hexadecimal system, or Hex, uses b therefore there are 16 possible digit symbols. The hexadecimal system groups binary number by 4’s and from 0 to 9 it is the same as a decimal number equivalent in binary form.