Eta Carinae - Pi Cab Alter - Magnitude 5 (CDr)
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Aims: Every years, η Car's light curve and spectrum change remarkably across all observed wavelength bands. These so-called spectroscopic events are most likely caused by the close approach of a companion. We compare the recent spectroscopic event in mid to the events in 20and investigate long-term trends. Methods: Eta Car was observed with HST STIS, VLT UVES, and .
Nov 25, · Eta Carinae is a rare supermassive star in our galaxy, probably once having had a mass times that of the sun. Such large stars burn brightly for only a few million years, all the while shedding mass as the intense light pushes the outer layers of the star away in a stellar wind. After 2 to 3 million years of this, Eta Carinae now weighs.
Eta Carinae is the blue hypergiant star surrounded by the homunculus nebula, about 7, light-years away. She lives in Homunculus Nebula, her parkbingbibchaupihtigumpcofhandwiderec.xyzinfo she is also the "owner" of Carina Nebula, one of the largest nebulae in the Milky Way.. She is a star who has recently frightened the Earth, after she launched huge cosmic rays, which if they hit Earth, would be disastrous, she too, in a.
Aug 31, · Eta Carinae - posted in DSLR & Digital Camera Astro Imaging & Processing: Imaging has been lacking lately due to cloud and storms here, now with the moon about it makes it just that little bit trickier. Clear skies last night was good but a temp here of 28 at midnight wasnt the greatest, though I was able to keep the sensor around mark.
In the early 19th century, Eta Carinae was considered an unusual but undistinguished variable star, sometimes glowing at 4th magnitude, sometimes at 2nd. Then in the s, Sir John Herschel (son of the famous English amateur observer William Herschel) noticed that the star's light had risen steeply and, by December , had reached 1st magnitude.
Oct 19, · Eta Carinae is the brightest, most massive object in our cosmic neighborhood. Its primary star is more than 90 times as massive as the sun, and it shines roughly five million times brighter.
This and this say that eta carinae A's mass is ~>90 M⊙, the best estimate for the radius is ~60 R⊙, its mass loss rate is ~ × solar masses per year, and its wind velocity is ~ km/s. eta carinae B, however, is now throught to be a Wolf-Rayet star or an O supergiant with a mass of ~ M⊙, and a mass loss rate of ~ solar.
Formerly known as Eta Argus, Eta Carinae was a massive Wolf-Rayet type star located around 7, light years from Earth as well as the site where one of the most famous First Civilization artifacts was found. It was mostly obscured by the Homunculus parkbingbibchaupihtigumpcofhandwiderec.xyzinfo a high-priority target at the birth of Warp Drive travel, it was targeted for surveying and scientific efforts.
Eta Carinae (η Carinae, abbreviated to η Car), formerly known as Eta Argus, is a stellar system containing at least two stars with a combined luminosity greater than five million times that of the Sun, located around 7, light-years (2, parsecs) distant in the constellation parkbingbibchaupihtigumpcofhandwiderec.xyzinfously a 4th-magnitude star, it brightened in to become brighter than Rigel, marking the start of Age: Myr.
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