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Annotation c. Book News, Inc., Portland, OR (booknews.com)
Mart de Groot, Christiaan Sterken, 2001
2
Astronomical Observations, Made at the Royal Observatory at ...
In the YEAR MDCCLXXVII. The SECTOR in the Transit Room. DAY of the
MONTH. £ Sept. 9 10 11 »3 16 Name of the Star. H Cygni 1 Cygni. 1 c Cygni,
Northernmoft of 2 1 c Cygni, Soutbernmoft of 2 2 c Cygni. y Draconis c 1 Draconis
H Cygni.
3
An Introduction to Astrophysics
It may be asserted therefore, that there are still many unsolved problems in the
Wolf-Rayet phenomena whose solution awaits more observational and
theoretical works. 10.2 P CYGNI AND a CYGNI STARS So far as the degree of
excitation ...
4
Astronomical observations. By J. Pond, published by the ...
S.P. } cloudy, a Lyrae y Aquilae я - - a Cygni - - - R. * Capricorni - - <*Cephei - - R.
©U. L. - y Draconis a Lyrae X, Aquilae - - - В Draconis - - - í Cygni - - - - 7 Aquilae
- - R. « - - R. ß - - R. * A.R. 20" 0TM - - Next divi.ion. a" Capricorni - - * A.R. 20h ...
Royal Observatory, Greenwich, 1834
5
Astronomical Observations Made At The Royal Observatory Et ...
Thermomeœr, Face READING of the INSTRUMENT. Date. Sun. Approx' 0f “итог
Ob' Remarks. A. R. Upper. Lower. 1115" Screw. Parts. Vern. servers. 1334. н. M.
Sept. 25 1 Cygni 19 25 57 56 E 103 35 30 н. Cloudy. 27 7 Draconis 17 52 63 61
...
John Pond, George Biddell Airy, 1835
6
Memoirs of the Royal Astronomical Society
25 x Cygni ii m s 20 28 25,62 Apr. 13 x Andromeda; h m s 23 51 57,64 y Ononis 5
9 20,54 it Andromeda; 23 52 23,19 Capella 4 56 29,20 ) Orionis 5 16 38,98
Polaris 0 52 53,0 Polaris, s.p. 12 50 28,5 6 x Cygni 20 28 55,68 Capella 4 56 55,
48 ...
Royal Astronomical Society, 1833
1811. Mean Time in Ha- vannah. Observed Apparent Distances from the
following Stars. Number of Observations. Therm. Fabr. Barom. Engl. Inches. Oct.
29 h 7 m s a Cygni 0 22 17 36 15 54 6 75 30,00 Nov. 2 6 32 0 31 47 6 Altair 10
75 30,05 ...
Royal Astronomical Society, 1827
8
Stars and Their Spectra: An Introduction to the Spectral ...
12, 265, 267, 276, 283 ot Cygni, see Deneb P Cygni, see Albireo y Cygni, 306 n
Cygni, 376 X Cygni, 119 P Cygni, 277, 279*, 300 16 Cygni A, 195 16 Cygni B,
195 31 Cygni, 177 32 Cygni, 177 61 Cygni, 163, 167, 171 61 Cygni A, 109*, 164,
...
9
Memoirs of the Royal Astronomical Society
1330, Name of 5;“, 1830. Name of Star. 1830- Name of Star. h m | h m s h 11: s
Mm-_ 5 ,, Andromeda, 23 52 55,94 Mar. 25 1 Cygni 20 28 25,62 Apr. 13 ¢
Andromeda 23 51 57,64 7 Orionis 5 9 20,54 z Andromeda 23 52 23,1!) Capella 4
56 29 ...
10
Luminous Stars and Associations in Galaxies
Although most astronomers seem to agree which stars should be called "P Cygni
-stars ," there is no clear definition. In his classical study, Beals (1950) called
them "stars with P Cygni profiles in the visual spectrum." This definition, however
...
International Astronomical Union. Symposium, C. de Loore, A.J. Willis, 1986
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V404 Cygni Black Hole Active After 26 Year Hiatus
More or less dormant since 1989 our own local boy, the V404 Cygni black hole, has woken up, and is devouring everything in its path. No…no ... «Cultured Vultures, 七月 15»
Astronomers Astonished To Find Sleeping Black Hole 'X-Ray Nova …
Binary System V404 Cygni is responsible for this eruption, according to NASA. It is made up of smaller stars which orbit a black hole that is 10 ... «Yibada, 七月 15»
A nearby black hole just erupted for the first time in 26 years and …
When black holes in binary systems, like V404 Cygni, feed, they do so by gravitationally attracting a single thread of gas from the star. The black ... «Business Insider, 六月 15»
V404 Cygni: Astronomers Detect Signs of Extraordinary Activity in …
V404 Cygni lies in the constellation Cygnus at a distance of about 8,000 light-years from Earth. It is a binary system comprising a black hole ... «Sci-News.com, 六月 15»
Monster Black Hole wakes after 26 Years
On June 15, 2015, a long-time acquaintance of X-ray and gamma ray astronomers made its comeback to the cosmic stage: V404 Cygni, ... «Scientific Computing, 六月 15»
7 Companies in Greece Among the Best in Europe
... the highest rating among the large companies (500+ employees) and Swedish technology services company Cygni ranks as the top in the ... «Greek Reporter, 六月 15»
On the Move with Barnard's Star and 61 Cygni
Stars may appear static, but they're on the move. Put these two speed demons on your observing list this summer. When you return in a year or ... «Sky & Telescope, 六月 15»
Solved: The Riddle of the Nova of 1670
Often cited as the oldest and faintest observation of a nova, Hevelius referred to the 1670 apparition as 'nova sub capite Cygni,' or a new star ... «Universe Today, 六月 15»
Astrophotographer Reveals Nebula's Crimson Heart
Hancock has photographed the Gamma Cygni region before, but space.com ... Terry Hancock shows the mesmerizing Gamma Cygni nebula. «Sputnik International, 五月 15»
Astronomers Discover Universe's Most Luminous Galaxy
V404 Cygni: Astronomers Detect Signs of Extraordinary Activity in Binary System · The huge halo around the giant elliptical galaxy Messier 87 ... «Sci-News.com, 五月 15»
