I see two pairs in your picture of Xi Sco.Xi Sco is one of my favorites, a pretty "double double". Based on the star's spectral type of F5 V , Graffias's colour and type is yellow to white main sequence star. This 12 million years old red supergiant is around 883 times bigger than the Sun, 18 times more massive, and at least 10,000 times brighter. Apparent Magnitude is also known as Visual Magnitude. Graffias is a F6IV subgiant star based on the spectral type. My scope shows the same image.Not to start a debate but I think John is right.

View the profiles of people named Xi Scorpii. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. login. Both this and the other The nearest companion star orbits at about the same distance our Sun is to Uranus.

Main star of Xi Scorpii, which is also a binary. Not to start a debate but I think John is right. WDS catalog only shows three stars. get reddit premium. The star Acrab which is in the same constellation is also known by some people as Graffias. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. Both the close pairs showed as thin waisted peanut shapes due to seeing.

Graffias is not part of the Scorpius constellation outline but is within the borders of the constellation. WDS catalog only shows three stars. Xi is a triple. In 1999 the maximum should occur around the end of May.

203xXi Sco is one of my favorites, a pretty "double double". Verified Email. The second pairing of the stars orbits the first pairing at a distance of more 310 times the distances of The location of the main sequence star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. It's Xi. This double was somewhat difficult. Comments may be merged or altered slightly such as if an email address is given in the main body of the comment.You can decline to give a name which if that is the case, the comment will be attributed to a random star. get them help and support. It sure looks like Nu Sco. Third star, m 7.3, sep 7.5" at PA 43 as measured from the A component.68 Her, aka STT 328. m 4.8, 10.3, sep 4.5" at PA 59. The magnification factor of the photo is too low to show the close A-B pair.Here's a sketch I made of these two systems back in 2017 after reading John Nanson's segment in his blog Star Splitters I revisited Nu and Xi Sco last night. Used the new 6mm Delos for 203x. Both the close pairs showed as thin waisted peanut shapes due to seeing.Nu Sco m 4.35, 5.31, sep 1.3" at PA 2. – Antares (Alpha Scorpii), the most luminous star in the constellation, is located 550 light years away and shines with an apparent visual magnitude of 0.96, making it the 16th brightest star in the entire sky.
If the R.A. is positive then its eastwards.
Join Facebook to connect with Xi Scorpii and others you may know. All messages will be reviewed before being displayed. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. You can clearly see 4 stars in the photo. A faint star will have a high number. Xi Scorpii is a white-yellow star 90.9 light-years from Earth, he has a huge family with 6 stars, including him, all are alike, but somewhat weaker than him, and may … Become a Redditor. Before looking up the PA, I estimated 60 deg. The second of the orbiting stars orbits at a distance of ten times that of the inner star. My scope shows the same image.No, I was wrong. Solar System Imaging & Processing I see two pairs in your picture of Xi Sco.Ok, so it's a quad also. It sure looks like Nu Sco. Solar System Imaging & Processing You currently have javascript disabled. New User. remember me reset password. The binary is found just south of Xi Scorpii, two yellow stars of nearly equal brightness: 7.4, 8.1; 99º, 11.6". The pairs are about 41" apart at PA 337.Xi Sco .m 4.87, 5.16, sep 1.1" at PA 10. The scale on that photo is such that the more distant pair, STF 1999, shows in the photo. TROPHY CASE. You can clearly see 4 stars in the photo. Graffias (Xi Scorpii) Star Facts. Together  with Xi, there are six stars showing in my 6mm Delos eyepiece at 203x. Xi-Scorpii 1 post karma 0 comment karma send a private message. redditor for 1 day. The brighter pair shows only A and C in the photo. Nu and Xi Scorpii and 68 Her. A name is preferred even if its a random made up one by yourself. Second pair m 6.6, 7.23 , sep 2.4" at PA 56.

Based on the spectral type, we can deduce that the surface temperature of the star is in the order of between between 6,000 and 7,500K based on the notes from Graffias has an apparent magnitude of 4.16 which is how bright we see the star from Earth. Graffias Facts. Components separated only by 0,7", at the edge of my SkyWtcher 127 max resolution. Graffias is a Subgiant Star type star. - posted in Double Star Observing: I looked at both these showpieces in Scorpius last evening with my 6 inch f/8 triplet. what's this? Based on the spectral type (F6IV) of the star, the star's colour is yellow to white . is from There's no register feature and no need to give an email address if you don't need to. Please re-enable javascript to access full functionality.I looked at both these showpieces in Scorpius last evening with my 6 inch f/8 triplet. For Graffias, the location is 16h 04m 21.63 and -11 ° 22` 24.8 . Xi is a triple. Variable stars in Scorpius: RR Scorpii is the brightest long-period variable in the constellation, with a visual magnitude range of 5.0-12.4 every 281.45 days. Welcome to Reddit, the front page of the internet. Query : xi scorpii C.D.S.


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