... SN 2006GY: Brightest Supernova . ... 10.05.2007 . ... In fact, given its estimated distance of 240 million light-years, SN 2006gy was brighter than, and has stayed brighter longer than , any previously seen supernova. The Chandra observations in the lower right panel establish the supernova's x-ray brightness and lend strong evidence to the theory that SN 2006gy was the death explosion of a star well over 100 times as massive as the Sun. ... May 2007 . ... Publications with keywords: supernova . ...

... SN 2006GY: Brightest Supernova . Credit: X-ray: NASA / CXC , Nathan Smith, Weidong Li (UC Berkeley) et al. ... In fact, given its estimated distance of 240 million light-years, SN 2006gy was brighter than, and has stayed brighter longer than , any previously seen supernova. The Chandra observations in the lower right panel establish the supernova's x-ray brightness and lend strong evidence to the theory that SN 2006gy was the death explosion of a star well over 100 times as massive as the Sun. ...

In this rendition of the early universe, the sky is ablaze with primeval starburst galaxies, while giant elliptical and spiral galaxies have yet to form. Within the starburst galaxies, bright knots of hot blue stars come and go like bursting fireworks shells. ... The most massive stars self-detonate as supernovas, which explode across the sky like a string of firecrackers. ... Adolf Schaller for STScI ...

We report far-infrared and submillimeter observations of supernova 1987A, the star whose explosion was observed on 23 February 1987 in the Large Magellanic Cloud, a galaxy located 160,000 light years away. ... The intensity and spectral energy distribution of the emission suggest a dust mass of about 0.4 to 0.7 times the mass of the Sun. ... Our observations imply that supernovae can produce the large dust masses detected in young galaxies at very high redshifts. ... ADS Citation Query . ...

... Right: cold gas traced by [CII] emission (red) accreting onto a primeval galaxy (green) at z=7.1 ( Maiolino et al. 2015 ) (image credit: ALMA Press Release ) . ... 2010 , Cicone, Maiolino et al. ... 2012 , Cicone, Maiolino et al. ... Right: observed distribution of the average stellar metallicities of passive and star forming galaxies in the local universe, supporting starvation/strangulation as primary quenching mechanism in low/intermediate mass galaxies ( Peng, Maiolino, Cochrane 2015 ). ...

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

... This spectacular new photograph of space contains so many bright shining stars it looks like someone spilt a pot of glitter over it! ... On the left is a very bright star cluster called NGC 3603. This cluster is famous within our Galaxy for having the highest concentration of massive stars of any star cluster! ... While Wolf-Rayet stars are thought to be fairly common across the Universe, they live such short lives we rarely stumble across them. ...

Umbriel . Uranus II . Umbriel [UM-bree-ul] is the darkest satellite of Uranus. It is about the same size as Ariel and has about the same density. The surface appears to be old with large craters and does not change much from one location to another. Near the top is a puzzling bright ring called the fluorescent cheerio . ... Dark regions are represented as red and bright regions are represented as blue. The two white regions are bright ejecta from two fresh craters. ...

Umbriel . Uranus II . ... It is about the same size as Ariel and has about the same density. The surface appears to be old with large craters and does not change much from one location to another. ... Orbital period (days) . ... Visual geometric albedo . ... This image is a polar stereographic projection of the southern hemisphere of Umbriel. ... Dark regions are represented as red and bright regions are represented as blue. The two white regions are bright ejecta from two fresh craters. ...

... Vink, J.S., de Koter, A. 2005, Astronomy Astrophysics 442, 587 - 596 . ... Vink, J.S., Harries, T.J., Drew, J.E. 2005, Astronomy Astrophysics 430, 213 . ... Vink, J.S., de Koter A. 2002, Astronomy Astrophysics, 393, 543 . ... Vink, J.S., de Koter, A., Lamers, H.J.G.L.M. 2001, Astronomy Astrophysics, 369, 574--588 . ... Vink, J.S., de Koter, A., Lamers, H.J.G.L.M. 2000, Astronomy Astrophysics, 362, 295--309 . ... Vink, J.S., de Koter, A., Lamers, H.J.G.L.M. 1999, Astronomy Astrophysics, 350, 181--196...

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 . ...

... As a new Puerto Rican resident, you have a complicated tax status. The short answer for US citizens coming from the US is that you file 1040 claiming all your income for the year you moved, but with form(s) 1116 (credit for foreign tax paid) to reclaim the portion of your Federal tax attributable to income earned (and tax paid) in Puerto Rico. ... Form 1040 and Instructions. ... Publication 514 ``Foreign Tax Credit'', which contains the real instructions for form 1116. ...

... VOLUME***, **YEAR OF PUBLICATION** **NAMES OF EDITORS** H i Rotation of Dwarf Galaxies with Unusually High H i Mass­to­Light Ratios Bradley E. Warren & Helmut Jerjen Research School of Astronomy and Astrophysics, Australian National University, Mount Stromlo Observatory, Cotter Road, Weston ACT 2611, Australia BЁarbel S. Koribalski Australia Telescope National Facility, CSIRO, PO Box 76, Epping NSW 1710, Australia Abstract. ... The cross marks the dynamical centre of the galaxy. ...

... Crescent Nebula . ... Above the Crescent are the Lynd's Bright Nebulae LBN 215, to the right is the filamentary LBN 208 and below is LBN 193. Hubble Palette, 5 nm Narrowband filters, S-II (Red Channel): H-alpha (Green Channel): O-III (Blue Channel) - 30: 55: 40 minutes, 5 minute subframe, binned 1x1, Total= 125 minutes, Takahashi Epsilon-180, SBIG STL-6303E CCD camera, ATMoB Clubhouse, Westford, MA, 13 August 2010. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Paul @ home: (781)643-1319 Paul @ work: (617)495-7057 Paul cell: (617)721-4355 Avivah @ home: (781)643-1354 Avivah cell: (617)864-0674 Take the RT-16 / MYSTIC VALLEY PKWY exit- EXIT 31- toward ARLINGTON. Stay STRAIGHT to go onto MYSTIC VALLEY PKWY / MA-16 W. At 1st roundabout bear off right along MYSTIC VALLEY PKWY. ... Turn at 3d RIGHT onto FAIRVIEW AVE. ... Proceed past the Capitol Theatre on your left into Arlington Center which is at the intersection of Mass Ave with Pleasant St (Route 60). ...

List of publications . ... Moscow University Press. 160 pp. ... Shevchenko V.V. A Lunar Base. Moscow. ... Shevchenko V.V., Chikmachev V.I. Lunar Base - a Project of XXI Century. ... Shevchenko V.V., Pugacheva S.G., Dehktereva K.I. Brightness Characteristics of the Infrared and Visible Radiation of the Lunar Surface. ... Problems of Complex Research of the Moon. ... Solar System Research. ... Baydal G.M., Sizentzev G.A., Sotnikov B.I., Shevchenko V.V. Lunar Base Infrastructure and Lunar Resources. ...

Next: The Number of Ejectors Up: Ejectors in Massive Binary Previous: Ejectors in Massive Binary . ... In Figure 10 we show possible evolutionary tracks of NS. ... After the mass exchange, only the helium core of the normal star is left (WR star), a separate system is formed (in some systems the NS has spiraled   completely into the center of its companion, and a Thorne-Zytkow object   is formed), and the NS again becomes a propeller   or an ejector. ...

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... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...

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