Sentences with phrase «magnitude star»
A "magnitude star" refers to the brightness of a star as seen from Earth. The term "magnitude" is used to describe a star's brightness relative to other stars in the night sky. A star with a higher magnitude is dimmer, while a star with a lower magnitude is brighter. Full definition
But any rate, those are the first magnitude stars.
scientificamerican.com
On average, 10th (18th) magnitude stars produce artifacts about 1,000 (100) pixels long.
For a first class magnitude star, shining brightly, without holding back, on the brink of destruction.
Blazing with the light of 60,000 suns, it is the farthest first - magnitude star in the heavens, a lighthouse of the galaxy.
It is also the lower left member of the «Summer Triangle» of first magnitude stars viewed from the northern hemisphere, formed with Vega (Alpha Lyrae) at the lower right, and Deneb (Alpha Cygni) at upper right.
We provide a decomposition of observed noise for an ensemble of 12th magnitude stars arising from fundamental terms (Poisson and readout noise), added noise due to the instrument and that intrinsic to the stars.
Follow - up radial velocity measurements with th... ▽ More We present 44 days of high duty cycle, ultra precise photometry of the 13th magnitude star Kepler - 5 (KIC 8191672, Teff = 6300 K, logg = 4.1), which exhibits periodic transits with a depth of 0.7 %.
Abstract: We present 44 days of high duty cycle, ultra precise photometry of the 13th magnitude star Kepler - 5 (KIC 8191672, Teff = 6300 K, logg = 4.1), which exhibits periodic transits with a depth of 0.7 %.
At the other extreme lies the brilliance of first - or even zero - magnitude stars like familiar Arcturus.
Tucked next to one leg of the W lies a modest 5th - magnitude star named HD 219134 that has been hiding a secret.
Kappa Lyrae, Latinized from κ Lyrae, is a solitary 4th magnitude star approximately 238 light years away from Earth, in the northern constellation of Lyra.
From a planet orbiting Alpha Centauri A or B, Proxima Centauri would appear as a fourth to fifth magnitude star, as bright as the faint stars of the constellation of Ursa Minor.
This place is close to the 3.4 - magnitude star ε Cassiopeiae.
All components of Alpha Centauri display significant proper motions against the background sky, similar to the first - magnitude stars Sirius and Arcturus.
Edasich, or Iota Draconis, is a third magnitude star located around 100 light - years (ly) from Sol.
This second magnitude star is the 24th brightest (and the brightest red giant) in Earth's night sky.
With the exception of Alpha Centauri, Arcturus has the largest proper motion (2.29» in PA 209 °) of first magnitude stars observed from Earth.
There is also one obvious foreground star in this image, HD112887, an eighth magnitude star 265 light years away - less than one millionth of the distance to the Coma cluster.
NGC 253 can be found about 7 to 8 ° to the south of this 2nd magnitude star.
(The relatively bright object with diffraction spikes just left of center may be a 20th magnitude star.)
Alpha Antliae is the brightest star in the constellation, but it is only a fourth magnitude star.
On November 6, 2010, three teams of astronomers using three different telescopes tracking the occultation of a 17th - magnitude star in the north - central part of Constellation Cetus by Eris revealed preliminary results indicating that the dwarf planet may be smaller in diameter than Pluto after all, based on the unexpectedly short times of occultation reported.
The star is the lower right member (18:36:56.34 +38:47:01.29, ICRS 2000.0) of the «Summer Triangle» of first magnitude stars viewed from the northern hemisphere, formed with Altair (Alpha Aquilae) at the lower left, and Deneb (Alpha Cygni) at upper right.
Saturn and Mars are easily as brilliant as 1st - magnitude stars, so you should have no trouble seeing them in the moon's glare.
A 0 - magnitude star is exactly 100 times brighter than a 5th - magnitude one.
Kochab, like the North Star, is a second - magnitude star.
Astounding: A thirtieth - magnitude star is 10 billion times dimmer than the faintest star of the Little Dipper.
The profusion of newcomers — including even ninth - magnitude stars — is especially dramatic when sweeping binoculars along the eastern or southeastern midnight sky this month, as the Milky Way is rising.
The rest of the June sky displays only two zero - magnitude stars (Arcturus and Vega, both high up), five first - magnitude stars, and more than a hundred seconds and thirds.
(Magnitude decreases as brightness increases: a fifth - magnitude star is roughly 2.5 times brighter than a sixth - magnitude star; a fourth - magnitude star is 2.5 times brighter still.)
It's orbited by a ninth - magnitude star, barely visible with binoculars, that goes by the catchy name of HDE226868.
Autumn constellations are the year's only patterns that can not boast a single first - magnitude star, making this a good time to stalk galaxies — like the great Andromeda now overhead.
This zero - magnitude star is visible with the naked eye as the third brightest star after Sirius A and Arcturus in Earth's northern skies, and is fifth brightest star overall.
A bright star of the northern hemisphere in Winter, Capella is the closest first - magnitude star to the North Pole (and dimmer Polaris).
A 12 - magnitude star «B» was discovered to share the same common proper motion with Star A around 1938 (Adriaan van Maanen, 1938).
Such a close approach of two first - magnitude stars will not occur again for a very long time.
Sirius is also the lower left member of the «Winter Triangle» of first magnitude stars, whose other components are Procyon (Alpha Canis Minoris) at upper left and Betegeuse (Alpha Orionis) at right center.
«An especially good opportunity occurs at about 8 pm Eastern Daylight Time on Saturday evening, September 2, when the asteroid crosses the quartet of 4th - magnitude stars that mark the head of Delphinus, the Dolphin,» the statement said.
For instance, two second - magnitude stars, Alpha Pavonis and Epsilon Carinae, were assigned the proper names Peacock and Avior respectively in 1937 by Her Majesty's Nautical Almanac Office during the creation of The Air Almanac, a navigational almanac for the Royal Air Force.
This first magnitude star is the 13th brightest in Earth's night sky.