Iota Herculis (ι Herculis, ι Her) is a fourth-magnitude variable star system in the constellation Hercules, consisting of at least four stars all about 139 parsecs (450 light-years) away. The brightest is a β Cephei variable, a pulsating star. Meer weergeven Iota Herculis is dim enough that in cities with a lot of light pollution it is unlikely to be visible with the naked eye. In rural areas it will usually be visible, and for much of the Northern Hemisphere the star is circumpolar and … Meer weergeven Iota Herculis is a multiple star system. It is a spectroscopic binary having a 113.8-day period, indicating that its closest component is separated by about 1 AU. Another companion can be found at approximately 30 AU from the main star, giving it an Meer weergeven • Jim Kaler's Stars, University of Illinois: IOTA HER (Iota Herculis) • An Atlas of the Universe: Multiple Star Orbits Meer weergeven Iota Herculis is a B-type subgiant star that is at the end of its hydrogen fusion stage. With a stellar classification B3IV, it is considerably … Meer weergeven In Chinese, 天棓 (Tiān Bàng), meaning Celestial Flail, refers to an asterism consisting of ι Herculis, ξ Draconis, ν Draconis, β Draconis and γ Draconis. Consequently, … Meer weergeven Web17 mei 2024 · In this conversation. Verified account Protected Tweets @; Suggested users
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WebSelecteer uw cookievoorkeuren. We gebruiken cookies en vergelijkbare tools die nodig zijn zodat je aankopen kan doen, en om je winkelervaringen te verbeteren en om onze diensten te leveren, zoals beschreven in onze Cookieverklaring.We gebruiken deze cookies ook om te begrijpen hoe klanten onze diensten gebruiken (bijvoorbeeld door websitebezoeken te … Web9 sep. 2024 · It is classified as a classical Population I (metal-rich) Cepheid variable and is the nearest star of this kind to Earth. Polaris is easily visible to the unaided eye, but not … solomon background
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Web5 dec. 2016 · The measurements listed in Table 1 have mostly been carried out at visible wavelengths except for those of Peters & Polidan who studied the abundances of ι Herculis in the ultraviolet, using the same spectrum as this project, and reported near solar abundance for all the elements they identified. Since then, however, the literature has not … WebIota Herculis (Q4121460) variable star 85 Herculis HD 160762 edit Statements instance of star 1 reference astrophysical X-ray source 1 reference spectroscopic binary 1 reference … WebIn 2007 zijn 51 SPB sterren geïdentificeerd en 65 kandidaten ontdekt. Zes sterren, namelijk Algenib, Iota Herculis, 53 Piscium, Nu Eridani, V354 Persei en 53 Arietis vertonen zowel … solomon bass iv