NGC 777 is an elliptical galaxy in the constellation of Triangulum. It was discovered by William Herschel on September 12, 1784. It has a weak active nucleus of type Seyfert 2 or LINER 2,[4] implying that the central region is obscured. It may be an outlying member of galaxy cluster Abell 262.[5]
^ abc"NGC 777". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2016-11-26.
^ ab"Results for Object NGC 0777". NASA/IPAC Extragalactic Database. Archived from the original on 2016-11-27. Retrieved 2016-11-26.
^ abc"New General Catalog Objects: NGC 750 - 799". Cseligman. Retrieved 2016-11-26.
^Ho, Luis C.; Filippenko, Alexei V.; Sargent, Wallace L. W. (1997). "A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies". The Astrophysical Journal Supplement Series. 112 (2): 315–390. arXiv:astro-ph/9704107. Bibcode:1997ApJS..112..315H. doi:10.1086/313041. S2CID 17086638.
^Faber, S. M.; et al. (Seven Samurai) (1989). "Spectroscopy and Photometry of Elliptical Galaxies. VI. Sample Selection and Data Summary". The Astrophysical Journal Supplement Series. 69: 763–808. Bibcode:1989ApJS...69..763F. doi:10.1086/191327.
NGC777 is an elliptical galaxy in the constellation of Triangulum. It was discovered by William Herschel on September 12, 1784. It has a weak active...
as Caldwell 33), whose brightest area is NGC 6992, trailing off farther south into NGC 6995 (together with NGC 6992 also known as "Network Nebula") and...
Group galaxies M31 and M32, and a few galaxies beyond the Local Group, e.g. NGC 4395. In these galaxies, the mean square (or root mean square) velocities...
NGC 6946, sometimes referred to as the Fireworks Galaxy, is a face-on intermediate spiral galaxy with a small bright nucleus, whose location in the sky...
Analysis of NGC 4178: A Bulgeless Galaxy with an Active Galactic Nucleus", The Astrophysical Journal, 777 (2): 6, arXiv:1308.5270, Bibcode:2013ApJ...777..139S...
Gliese 777, often abbreviated as Gl 777 or GJ 777, is a binary star approximately 52 light-years away in the constellation of Cygnus. The system is also...
of Hot Spots in the Circumnuclear Rings of NGC 2997 and NGC 6951". The Astronomical Journal. 118 (2): 777–784. Bibcode:1999AJ....118..777E. doi:10.1086/300970...
NGC 4689 is a spiral galaxy located about 54 million light-years away in the constellation of Coma Berenices. NGC 4689 is also classified as a LINER galaxy...
The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away...
Associated with the Reflection Nebula NGC 2626". Publications of the Astronomical Society of the Pacific. 112 (777): 1426–32. Bibcode:2000PASP..112.1426M...
The North America Nebula (NGC 7000 or Caldwell 20) is an emission nebula in the constellation Cygnus, close to Deneb (the tail of the swan and its brightest...
NGC 2787, a barred lenticular galaxy NGC 3115 NGC 3632 NGC 4608, a barred lenticular galaxy about 56 million light years away in Virgo NGC 5866 NGC 1533...
19475+3119 IRAS 20324+4057 Kronberger 61 M1-92 NGC 6826 NGC 6881 NGC 6884 NGC 7008 NGC 7026 NGC 7027 NGC 7048 Soap Bubble Nebula WR Crescent Nebula SNR...
NGC 7027, also known as the Jewel Bug Nebula or the Magic Carpet Nebula, is a very young and dense planetary nebula located around 3,000 light-years (920...
NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "Blinking Planetary"...
Messier 29 or M29, also known as NGC 6913 or the Cooling Tower Cluster, is a quite small, bright open cluster of stars just south of the central bright...
+30° 35′ 43″. As the westernmost NGC object in the nebula (first in right ascension), its number is sometimes used as an NGC identifier for the nebula as...
Messier 39 or M39, also known as NGC 7092, is an open cluster of stars in the constellation of Cygnus, positioned two degrees to the south of the star...
8 January 2013. "Air Crash Investigation". National Geographic Channel. NGC Europe Limited. 2014. Archived from the original on 26 June 2023. Retrieved...
NGC 6910 is an open cluster in the constellation Cygnus. It was discovered by William Herschel on October 17, 1786. The cluster was also observed by John...
NGC 6884 is a planetary nebula located in the constellation Cygnus, less than a degree to the southwest of the star Ο1 Cygni. It lies at a distance of...
massive stars: observations centered on the Magellanic Cloud clusters NGC 330, NGC 346, NGC 2004, and the N11 region". Astronomy & Astrophysics. 456 (2): 623–638...
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