... Satellites of the planets are assigned a provisional designation (indicating year of discovery) by the Central Bureau for Astronomical Telegrams ( CBAT ) upon satisfactory demonstration of the existence of a new object. ... In the past, Comets were first given a provisional designation, consisting of the year and a lowercase letter indicating the order of discovery in the year (e.g., 1994a was the first comet discovered or recovered in 1994, 1994b the second, etc.) ... Names .. ...

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• Titan Press Release
• First X-Rays From a Comet Discovered
• Jupiter's Moon Amalthea

... Satellites of the planets are assigned a provisional designation (indicating year of discovery) by the Central Bureau for Astronomical Telegrams ( CBAT ) upon satisfactory demonstration of the existence of a new object. ... In the past, Comets were first given a provisional designation, consisting of the year and a lowercase letter indicating the order of discovery in the year (e.g., 1994a was the first comet discovered or recovered in 1994, 1994b the second, etc.) ... Names .. ...

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• APOD: 2002 December 31 - A Year of Assessing Astronomical Hazards
• APOD: 2013 July 8 - Pluto's Newly Discovered Moons Receive Names
• APOD: September 13, 1997 - Kepler Discovers How Planets Move

... The variability of the spectrum of the optical component of the IR-source IRAS01005+7910 was discovered for the first time in the BTA spectra [1]. ... The spectral features include absorptions that form in near-photospheric layers, narrow envelope emissions, and emission-absorption profiles that form in photosphere-to-envelope transition layers (the wind). ... Discovery of spectral variation in the optical counterpart of IRAS01005+7910. ... Dashed line - envelope curve of all the SiII 5979 profiles ...

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• Galaxy sector, archive 2014

In early mid-infrared observations (c 1970) two prominent dust emission features were discovered. ... Soon after the discovery of the silicate features another feature at about 11.3 microns was discovered in the spectra of some carbon stars, not as wide or as strong as the silicate features but still thought to be due to a solid material. ... less common features: extreme carbon stars, the AlO/silicate complex, the "unidentified infrared" features, unusual silicate features . ...

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• Analysis of in B-Type Stars
• Terrestrial Silicates Compared to Astronomical Silicates
• The Behavior of the Aromatic Features in M101 H II Regions: Evidence for Dust

... A new IRAF task has been developed that automatically identifies linear (line-like) features in an image or set of images. ... In order to automatically detect linear features, the first step is to select pixels in the image (Fig. 1 , left panel) that fall within a given data value range. ... Another aspect of extended linear features is that the image space pixels that describe them are in some way adjacent to one another and have a minimum and maximum length. ...

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• Automated Photometric Calibration Software For IRAF
• ADASS 2002 Conference Proceedings
• FITSIO Subroutine Library Update

Peremennye Zvezdy", . ... Min . ... USNO B1.0 1240-0526105 . ... min . Comm. 1 . ... 1_HJD.txt . ... USNO B1.0 1242-0521593 . ... USNO B1.0 1241-0519765 . ... USNO B1.0 1242-0521989 . ... USNO B1.0 1242-0522040 . ... USNO B1.0 1240-0526950 . ... USNO B1.0 1240-0527064 . ... The field centered at RA=22 h 48 m , Dec=+34њ23? (2000.0) has been chosen to search for new variable stars: it contained no known variables. ... the star numbers are from the USNO B1.0 catalog (Monet et al. ...

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• Unusual Hollows Discovered on Planet Mercury
• Explosions Discovered Near Galactic Center
• South Polar Vortex Discovered on Titan

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

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• ASP: Guest Observer
• ASP: Past Pricilla and Bart Bok Award Winners
• ASP: The Universe: Yours to Discover

Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

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• Extragalactic Novae - 2005.
• Extragalactic Novae - 2016.

EPIC-pn Burst Mode X-ray loading and rate-dependent CTI calibration Jan-Uwe Ness ESAC 09 April 2015 XRL / RDCTI corrections in burst mode JU Ness ESAC , April 9 2015 Energy offsets caused by X-ray loading In 2010, significant effects from X-ray loading ( XRL ) were discovered in the timing mode and burst ... Thus the values of a0, a1, a2 control the rate dependent correction and are determined empirically. ...

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• http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0325-1-0.pdf
• http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/201203/lumb-cal-2012.pdf
• Dark features

... galaxies . ... Another violent galaxy cluster collision discovered . The so-called Musket Ball Cluster is the sixth such merging cluster with separation between normal matter and dark matter that astronomers have found. ... A system of colliding galaxy clusters, nicknamed the Musket Ball Cluster, has been discovered. ... The newly discovered system has been nicknamed the т??Musket Ball Clusterт?? because the cluster collision is older and slower than the Bullet Cluster. ... Discover | ...

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• Astronomers recently discovered that Scholz's star passed close to the Sun
• Nearby star cluster discovered to be useful in studies of Sun and search for
• Old galaxies discovered | Astronomy.com

Scientists Discover Surface Features on Titan . ... Scientists for the first time have made images of the surface of Saturn 's giant, haze-shrouded moon, Titan. ... Peter H. Smith of the University of Arizona Lunar and Planetary Laboratory and his team took the images with the Hubble Space Telescope during 14 observing runs between Oct. ... About three weeks before Cassini's first flyby of Titan, the spacecraft is to release the European Space Agency's Huygens Probe to parachute to Titan's surface. ...

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• Jupiter's Moon Amalthea
• Core Language Features
• APOD: 2000 July 13 - LP 944-20: A Failed Star Flares

. Go Here for Hubble Ultra Deep Field . ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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• Thermal History of the Universe
• Historical Cosmologies Historical Cosmologies

Next: Reduction procedure Up: Extinction and transformation Previous: Strategy . Standard stars can be included in the extinction solution, if one is careful. The problem is that there are usually appreciable ``conformity errors'' due to mismatch between the instrumental and the standard passbands [ 16 ]. ... Thus, it is wrong to assume that the transformation between the instrumental system and the standard system is exact, even if there were no measurement error in either system [ 1 ]. ...

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• Supernova 1998bv in HS1035+4758
• Version, UI, and Status Information
• Overview of new features in Apache 2.0 - Apache HTTP Server

Cyclotron absorp.on features in neutron star systems observed by INTEGRAL Wei Wang Na.onal Astronomical Observatories, Beijing, China Cosmic magnetism, Kiama June 7 2010 Contents · Magne.c fields in neutron stars · History of observing cyclotron line features · Cyclotron absorp.on lines detected by INTEGRAL confirm previous known: Vela X 1; Her X 1; V0332+53; A0535+26 new candidates: 4U 2206+54; 2S 0114+65; IGR J01583+6713 Proton line or electron line ? ... 2005). ...

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• Spectroscopy
• Duchamp: a 3D source finder for spectral-line data
• The Optical Counterparts to Galaxies in the Cen A Group Discovered by HIPASS

Astronomy Education News . News . ... Professor Dame Jocelyn Bell Burnell will feature in a new BBC4 series that looks at modern men and women who will be remembered for the brilliance of their minds . ... Her father was the architect of the Armagh Planetarium. ... Professor Dame Jocelyn Bell Burnell receiving the Robinson Medal in 2004 in Armagh . ... Beautiful Minds тАУ Jocelyn Bell Burnell . ... Armagh Observatory - Astronomy Education . ...

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• William Herschel
• Armagh Observatory
• The Universe - Yours to Discover at the Armagh Heritage Day: Wednesday 20 May |

... 8, ``Celestial Mechanics'', 2002 Parameterization of the Solar Radiation Pressure model for GPS satellites I. S. Gayazov Institute of Applied Astronomy, St. Petersburg, Russia The treatment of solar radiation pressure (SRP) effect until now is the main problem in precise modeling of GPS satellite orbits. ... In practice, however, all seven parameters of the empirical model cannot be confidently determined from phase observations. ... Bar­Sever Y. E. A new model for GPS yaw attitude. ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/MUSHA_1.PS
• Keywords_79
• Keywords_37

Subject, Problems and Objects of Theoretical Astrophysics. ... Stellar Photospheres, Their Features. ... Physics of Continuous Radiation Absorption in Stellar Photospheres. ... Continuous Radiation Absorption in Stellar Photospheres of Various Spectral Classes. Solar Type Photospheres. ... Characterisics of Absorption Lines. ... Interstellar Absorption Lines, Their Features. ... Physical and Dynamic Features of Interstellar Medium, Which Follows from Observations of Interstellar Absorption Lines. ...

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• Internal Structure of Stars
• Stellar Astronomy
• Researches of Astronomy and Space Physics Department

Next: Polarization efficiency: size/shape/orientation effects Up: Optical properties of cosmic Previous: The 2175? feature . To model the interstellar polarization one needs to calculate the forward-transmitted radiation for an ensemble of non-spherical aligned dust grains. ... Let non-polarized stellar radiation passes through a dusty cloud with a homogeneous magnetic field. ... The angle between the line of sight and the magnetic field is ( ). ... where the angle is connected with and ( ). ...

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• The 2175? feature
• Wavelength dependence
• Астрономия в Санкт-Петербургском университете |

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

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• Achievements - Page 3
• Achievements - Page 4
• Sergiy Borysenko

Next: Radial velocity of the Up: Optical spectrum of IRAS04296 Previous: Observations and spectra reduction . ... However, molecular emission features are only very rarely observed in the optical spectra of PPNe. ... On the other hand, it is well known that cometary nuclei spectra show prominent Swan band emission. In both spectra of IRAS04296 we have discovered strong emission in the (0;0) and (0;1) bands of the Swan system of the molecule. ... Now consider the case of IRAS04296. ...

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• The peculiar post-AGB supergiant IRAS04296+3429: optical spectroscopy and its
• Spectral energy distribution
• Laboratory for the Stellar Magnetism Study of SAO of the RAS - Home