... Spiral Galaxy NGC 2841 Close Up . ... Credit Copyright: NASA , ESA , and the Hubble Heritage ( STScI / AURA ) - ESA / Hubble Collaboration Explanation: A mere 46 million light-years distant, spiral galaxy NGC 2841 can be found in the northern constellation of Ursa Major . ... NGC 2841 has a diameter of over 150,000 light-years, even larger than our own Milky Way, but this close-up Hubble image spans about 34,000 light-years along the the galaxy's inner region. ... Nearby Spiral Galaxy NGC 4945 . ...

... 2016 February 16 . Star Forming Region S106 . ... Explanation: Massive star IRS 4 is beginning to spread its wings. Born only about 100,000 years ago, material streaming out from this newborn star has formed the nebula dubbed Sharpless 2-106 Nebula (S106), featured here . ... S106 gas near IRS 4 acts as an emission nebula as it emits light after being ionized , while dust far from IRS 4 reflects light from the central star and so acts as a reflection nebula . ... About APOD | ...

... The highly obscured cases in our sample are generally the bright, central regions of galaxies with high overall attenuation but are not otherwise remarkable. ... The small fraction of highly obscured regions seen in this sample of normal, star-forming galaxies suggests that on 500 pc scales the timescale for significant dispersal or breakup of nearby, optically thick dust clouds is short relative to the lifetime of a typical star-forming region. ... ADS Citation Query . citations = 66 . ...

... Our Galaxy . ... Stars . ... Space Flight . ... NGC 2841: a spiral galaxy some 46 million light years away. ... It is especially hard to explain this process of star birth in some spiral galaxies. ... Targets include both star clusters and galaxies, and star formation rates seen range from the starburst galaxy M82 (the Cigar Galaxy) which is creating about ten new stars in its core alone every year to the much less fecund star producer NGC 2841. ... Tweets that mention Baby stars of NGC 2841 | ...

The Arecibo Galaxy Environment Survey (normally known as AGES) is using the Arecibo Telescope to search for galaxies in a number of quite different areas of the local universe. ... NGC 628 group (precursor) - published (Auld et al., ... NGC 1156 (isolated galaxy) - published (Minchin et al, 2010, AJ, 140, 1093) . NGC 7332/9 galaxy pair - published (Minchin et al, 2010, AJ, 140, 1093) . ... NGC 5523 (isolated galaxy) - completed (contact: Robert Minchin) . ... AGES team page - password protected . ...

Our publications in 1997 year Izotov, Yu. I.; Thuan, T. X.; Lipovetsky, V. A. Dwarf Galaxies: Probes for Galaxy Formation and Evolution, Joint Discussion 2, 21 August 1997, Kyoto, Japan. Izotov, Yuri I.; Thuan, Trinh X.; Lipovetsky, Valentin A. Astrophysical Journal Supplement, 01 1997, v.108, p.1 . ... Pustil'nik, S. A.; Lipovetsky, V. A.; Izotov, Y. I.; Brinks, E.; Thuan, T. X.; Knyazev, A. Y.; Neizvestnyi, S. I.; Ugryumov, A. V. Pis'ma Astron. ... 74, August 1997, p. 536 . ...

... Panoramic spectroscopy of galaxies with star-formation regions. a study of SBS 1202 + 583" . Hakopian, S. A.; Balayan, S. K.; Dodonov, S. N.; Moiseev, A. V.; Smirnova, A. A. 2012, Astrophysics, v.55, p.1 . The origin of gas in extended narrow-line regions of nearby Seyfert galaxies - I. NGC 7212" . ... Smirnova, A. A. ; Moiseev, A. V.; Afanasiev, V. L. 2010, MNRAS, v.408, p.400 (astro-ph/1006.5547) . ... Studying of some Seyfert galaxies by means of panoramic spectroscopy." ...

home publications > mercury . ... Big Clusters, Tiny Galaxies . ... Astronomers struggle to understand why giant star clusters form in the tiniest of galaxies . ... These clusters are probably young versions of globular clusters, but they are commonly called super star clusters. Seven dwarf galaxies within 16 million light-years have formed super star clusters, with one of these galaxies, NGC 1569, possessing two young clusters. ... Super star clusters have a lot to tell us about star formation. ...

... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Planetary Nebulae and HII regions in the Elliptical Galaxy NGC 5128 . ... NGC 5128 is the closest example of a giant early type (elliptical or S0) galaxy. Although often dubbed as a peculiar elliptical galaxy since it has a dust lane with recent star formation and an active galactic nucleus, the majority of early type galaxies have similar structures as revealed by recent surveys. ...

... 2010, A , in press . SiO outflows in high-mass star forming regions: A potential chemical clock? A. Lopez-Sepulcre, C.M. Walmsley, R. Cesaroni, C. Codella, F. Schuller, L. Bronfman, S.J. Carey, K. M. Menten, S. Molinari, A. Noriega-Crespo . ... A comparative study of high-mass cluster forming clumps . ... Class I and Class II methanol masers in high-mass star forming regions . ... Click to examine publications from other years . ... Star Formation Group . ... Arcetri Home Page . ...

... Moscow, Russia . ... March-October 2000 . ... Gusev A.S. Multicolor CCD Photometry of Six Lenticular and Spiral Galaxies. ... Gusev A.S., Park M.-G. Structure and stellar population of ringed barred galaxy NGC 2336 // Astronomy and Astrophysics, 2003, V.410, P.117-129. ... Gusev A.S. Photometric Properties of Bars in Galaxies // Astronomy Reports, 2000, V.44, N9, P.579-591. ... Gusev A.S. BVRI CCD Photometry of Pecular Galaxies NGC 5605 and NGC 5665 // Astronomy Reports, 2000, V.44, N9, P.569-578. ...

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

... Tonight's Sky . ... Sky this Month . ... Astronomy for Kids . ... Hubble sees NGC 7090 т?? an active star-forming galaxy . ... This image portrays a beautiful view of the galaxy NGC 7090, as seen by the NASA/ESA Hubble Space Telescope. ... This image portrays a beautiful view of galaxy NGC 7090, as seen by the NASA/ESA Hubble Space Telescope. ... These structures trace the location of ongoing star formation, visual confirmation of recent studies that classify NGC 7090 as an active star-forming...

... Galaxy Evolution home . ... Regulating the ISM and star formation . Cosmological evolution of star-forming galaxies . ... Local Information . ... In order to investigate the cosmological evolution of star-forming galaxies it is essential that we understand the physics which controls the evolution and regulation of star formation in the ISM. ... We use a combined observational and numerical approach to study interacting and merging galaxies in the local Universe. ...

Star formation is often best manifested by bright H II regions.These are regions of hydrogen which have been ionized by ultraviolet photons which are emitted from massive stars (typically stars more than 20 times the mass of the Sun). ... A narrowband filter image centered on this wavelength will then readily reveal these H II regions and hence the current sites of star formation in a galaxy, The luminous blobs that can be seen here are all H II regions . ... NGC 3558 Visual . NGC 3558 Infrared . ...

... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Parkes radio telescope . ... QUANTIFYING THE IONIZING FLUX ESCAPING FROM THE ULTRA-LUMINOUS H II REGIONS IN FOUR SPIRAL GALAXIES . ... We calculate the escaping Lyman continuum (Lyc) fluxes from the density bounded regions in four galaxies, and show that in each of them this is easily sufficient to produce the measured diffuse H emission. Keywords: galaxies: ISM, galaxies: spiral, ISM: H II regions . ...

... The Sun is the closest star to us, and a regular object in our Galaxy. Solar activity manifests itself, primarily, in solar flares - episodic explosive energy release in the form of electromagnetic radiation and high energy particles (electrons and protons). The nature of the flares is related to cyclic variations of global and local magnetic fields in the atmosphere of the Sun. ... Such formations are called active regions. ...

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

... Visible Distribution of Galaxies. ... Features of Elliptical, Lens-Shaped, Spiral and Irregular Galaxies. Galaxies with Bar. ... Distribution of Surface Brightness of Surface and Spiral Galaxies. ... Color Characteristics of Galaxies. ... Methods of Galaxies' Mass Determination. ... Hidden Mass of Spiral Galaxies. ... Features of Dark Matter Distribution in E and SO Galaxies. ... The Whole Number of Galaxies and Their Density by the Results of Observation on the 'Hubble' Space Telescope. ...

... Submitted by Al Takeda on 12/24/2012 23:40:10 . Large Magellanic Cloud (LMC) . The larger of the 2 Magellanic Clouds, this dwarf galaxy spans an area of 650-minutes x 550-minutes (10-degrees) and is 160,000 light years away on the border of the constellations of Dorado and Mensa. ... The LMC was the host galaxy to supernova 1987A. 7 images x 27-second subframes, Total= 3 minutes 9-seconds. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...