key words: interstellar medium - diffuse nebulae - orion nebula - emission-line objectt.r.gullIOPPublications of the Astronomical Society of the Pacific... t.,r.,gull - 《Publications of the Astronomical Society of the Pacific》 被引量: 20发表: 1973年 Model nebulae and determination of the...
Messier 1, also called the Crab Nebula, is none of the above. The Crab Nebula, located in the constellation Taurus, is the still-expanding remnant of a massive star that ended its life in a spectacular supernova explosion. The light from the event reached Earth on July 4, 1054, and it...
CRAB-NEBULASOURCE CATALOGLS 5039EMISSIONBINARYDISCOVERYHESSIn this paper, we present the Fermi All-sky Variability Analysis (FAVA), a tool to systematically study the variability of the gamma-ray sky measured by the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. For each ...
"Detection of the Carbon Monoxide Ion (CO +) in the Interstellar Medium and a Planetary Nebula". Astrophysical Journal Letters 419: L97. ^ R. S. Furuya, C. M. Walmsley, K. Nakanishi, P. Schilke, R. Bachiller (2003). "Interferometric observations of FeO towards Sagittarius B2". ...
I have found galaxies to be a mixed bag, not much food unless they have lots of hydrogen emission eg m82. Globs are very good in small scopes, but MV kills the view when used with large scopes. Edggie suggestion about large open clusters that are best seen with IEE are also good. We...
The Rosette Nebula is a large emission nebula in Monoceros. It is an H II region positioned near a large molecular cloud. The open cluster NGC 2244 is associated with the nebula, as its stars have been formed from the matter within the nebula. The Rosette Nebula has a visual magnitude of...
The Cat’s Paw Nebula is an emission nebula in Scorpius. It is a vast star-forming region and one of the most active stellar nurseries containing some of the most massive stars known in the Milky Way. It is believed to contain tens of thousands of stars. The nebula was discovered by th...
[科学阅读]科普阅读:Astronomy Picture of the Da What powers the Heart Nebula? The large emission nebula dubbed IC 1805 looks, in whole, like a human heart. The nebula glows brightly in red light emitted by its most prominent element: hydrogen. ...
of 4 NGC 1363 Galaxy ERI 13.9 - 0.9' Sbc -NGC 1499 Brt Neb PER 5 - 160' E California Nebula;0.6 deg from Xi Per NGC 1365 Galaxy FOR 9.6 14.1 11' SBb Best example of barred spiral;Fornax Gal Cl membe-rNGC 1500 Galaxy DOR 13.8 13.8 1.1' Elliptical NGC 1366 Galaxy FOR 12 12.6 ...
The eclipsing binary Theta1 Orionis B1, variable star designation BM Ori, is the faintest of the four well-known Trapezium stars at the heart of the Orion Nebula. The primary is a B3 star (~6Msun) but the nature of the secondary (~2Msun)... D Windemuth,W Herbst,ED Tingle,... -...