Director: Rex Parker ( 609 ) 730-0670 drexparker@aol.com ereal times id s The Official Publication of the Amateur Astronomers Association of Princeton Treasurer: Ron Mittlestaedt ( 609 ) 771-6981 C8User@aol.com Secretary: Mark Jaworsky ( 609 ) 333-1130 MarkianSJ@comcast.net Program Chairman: Michele Novatski (856) 810-7385 Philenium020202@yahoo.com Editor: Victor Belanger ( 609 ) 448-8598 vic@apink.com Assistant Director: John Miller ( ... AAAP Meeting April 12 (8:00 Peyton Hall). ...

... There are preliminary series of photometric and radio spectral observations of the above-mentioned stars, archival data on the light curves of the stars, results of the search for OH and H 2 O maser emission in IRAS point sources that possess the IR parameters similar to Miras. ... The aim is a detailed study of the maser emission variability. ... In 1996-1997, astronomical observations of Mira Ceti-type stars (miras) were carried out in three spectral ranges: optical, infrared, and radio. ...

... Formation of Galactic Subsystems in Light of the Magnesium Abundance in Field Stars. ... The Thin Disk(2006) . ... I. The Thick Disk. ... A Compiled Catalog of Spectroscopically Determined Elemental Abundances for Stars with Accurate Parallaxws. I Magnesium. ... Stars of extragalactic origin in the solar neighborhood.( ... Evidence for age delay between the formation of the old halo and the thick disk(2000) . ... Tel:work(8632)433985 . home(8632)333178 . Fax:(8632)434044 . ...

... 1999: . A new fiber multiobject spectrograph of the prime focus of the BTA was manufactured, designed for the spectroscopy of low and moderate spectral resolution of up to 70 objects at once, visible in the telescope's field of view sized 12'. ... The new spectrograph brought an opportunity to explore the objects with absolute magnitudes m=22-23 in the R-band. In 1999 the spectrograph was used for the BTA observations within two programs. ... Archive . ...

Measurement of Sky Brightness at the Iranian National Observatory Davoud Afshari1 and Sadollah Nasiri1,2 1Physics Department, Zanjan University, Zanjan 45195-313, Iran; Institute for Advanced studies in Basic Science (IASBS), Zanjan 45195-1159, Iran; Measurement of light pollution 2 Introduction Among 34 candidate sites at the central part of the country, 5 sites namely Garkesh (in Kashan ), Kolahbarfi(in Kashan ), Deynava (in ... One of these is light pollution. ...

... Sternberg Astronomical Institute, Moscow State University, Moscow Union "Optic" . ... Ural State University, Kourovka . ... Irkutsk State University . ... The 2 first images in different polarizatios (Eeast-telescope and West-telescope) . ... West Time GRB Mag Error (hour) 1.02097639 17.93 0.22 1.07643278 17.43 0.09 1.13188834 17.78 0.14 1.18734417 18.03 0.19 1.24280056 17.87 0.15 1.29825584 17.58 0.10 1.35371584 17.94 0.12 . ... GCN 10076) . ... GCN 10048) by internet 3422 s after the GRB time. ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

GCVS Research Group: . Recent publications . Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 81st Name-List of Variable Stars. ... Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 80th Name-List of Variable Stars. ... Samus N.N., Kazarovets E.V., Kireeva N.N., Pastukhova E.N., Durlevich O.V. General Catalogue of Variable Stars: Current status and new Name-lists Odessa Astronomical Publications, 2010, V. 23, p. 102-105. ...

... A Web browser with Java support and an account to establish a secure Internet HTTP connection to the Goddard Space Flight Center (GSFC), is everything needed in order to use the new Control Center System (CCS). Then full access to the telemetry of the Hubble Space Telescope (HST) is given (Figure 2). A public version of CCS is also available. ... Rifkin, A. 1997, Reengineering the Hubble Space Telescope Control Center System, Institute of Electrical and Electronics Engineers Inc. ...

... Astronomy and Astrophotography - amateur tips and ideas from personal experience. ... CNES : CLEMENTINE data Server - Access to 1.8 million lunar images . ... Astrofili on the Web - Dr. Fabio Marino's CCD images and links. Astronomical Images - Deep-sky astronomical photographs. ... Astronomy Page - collection of amateur astrophotographs, along with observatory and Hubble images. ... Igor's Astronomy Page - with thumbnail links to images from observatories, including the Hubble Space Telescope. ...

... Samara State Aerospace University Staff Moiseev Mikhail Aleksandrovich . ... Byzov E.V. , Moiseev M.A. , Doscolovich L.L. Design method for automotive high-beam LED optics // Optical Systems Design 2015, 7 - 10 Сентября 2015, Йена, Германия, SPIE Proceedings, 2015, P. 1-7 . ... Moiseev M. A. , Doskolovich L.L. , Dmitriev A.Yu., ... Doskolovich L.L. , Kazanskiy N.L. , Moiseev M. A. Design of high-efficient free-form LED lens for road illumination // Proceedings SPIE, 2011.. 2011. ... M.A. Moiseev . ...

... Abubekerov M.K., Lipunov V.M. "The Lower Temperature Limits Of Accretors" Astronomy Reports, 2003, Vol. 47, Issue 8, pp.679-684. ... Abubekerov M.K., Antokhina E.A., Cherepashchuk A.M. "The Masses of X-ray Pulsars in Binary systems with OB Supergiants" Astronomy Reports, 2004, Vol. ... Abubekerov M.K., Antokhina E.A., Cherepashchuk A.M., Shimanskii V.V. "The Mass of the Compact Object in the Low-Mass X-ray Binary 2S 0921-630" Astronomy Reports Astronomy Reports, 2006, Vol.50, Issue 7, pp.544-552. ...

XMM-Newton Science Analysis System . ... Meta Index / Home Page / Miscellaneous Algorithms Omdetect has a simple extended-source validation function to recognise scattered-light features and ignore them. The algorithm works by assuming a scattered-light feature consists of a number of connected pixels with values significantly above the background interspersed with pixels not significantly above the background and arranged in a random fashion throughout the source region. ...

The coordinates, diameters, altitudes and morphological features of all the craters of Mars exceeding 10 km in diameter, totaling 19 308, are compiled. ... The catalogue is intended for use by investigators of Mars, students, in comparative planetology and in the selection of craters for naming. ... 1 one terrace . 2 many terraces . ... 6 many hills and one ridge . 7 one hill and many ridges . ... 1 one crater . 2 many craters . ... Sample craters of different morphological categories . ...

... Laboratory for Spectroscopy of Molecular Structures . ... Optics and spectroscopy of molecular and liquid crystals, fullerenes, superthin molecular films. Optical studies of structure, phase transitions, pretransitional phenomena, structural modifications in external field and under high pressure. ... Methods developed in the laboratory enable to determine in free standing films of different types liquid crystals values of polarization, two-dimensional constants of orientational elasticity. ...

... N.A.Bobylev, Yu.M.Burman, Morse lemmas for functionals of the variational calculus, Func.Anal.Appl., ... N.A.Bobylev, Yu.M.Burman. ... N.A.Bobylev, Yu.M.Burman, A.B.Shubin, Algorithms for control with a minimal number of switchings, Automation and remote control , V.53, 5:619, 1992. ... TeX file ) . ... Quadratic Poisson brackets compatible with an algebra structure . ... Yu.M.Burman. ... Yu.M.Burman, Whitney's index formula in higher dimensions and Laplace integrals , Preprint math.DG/9801044 . ...

... Это первое изображение звезды, отличной от Солнца, полученное космическим телескопом. Звезда, называемая Aльфой Ориона (Бетельгейзе), отмечена крестиком на правом изображении зимнего созвездия Ориона (Охотника). На изображении показана огромная ультрафиолетовая атмосфера звезды с таинственным ярким пятном размером в десять раз большим диаметра Земли и имеющем температуру по-крайней мере на 2000 К больше температуры остальной поверхности звезды. ...

Solar Large-Scale Chains: Some Events . ... The chains appear to light up separators or quasi-separatrix layers between different interacting large-scale magnetic flux systems in the global solar magnetosphere and, in particular, to outline large-scale coronal structures involved in the CME process. ... Some features of the chains and their relations to CMEs are illustrated for a number of halo CME-associated events. 23 events of 1997-2000 . ... Halo-CME-associated events of November 1997 . ...

... Exposure Time Calculator (ETC) . ... Microstep (pattern) - a pattern of exposures at positions each shifted by a very small movement (<3 arcsec) from the reference position. ... A microstep pattern can be contained within each position of a jitter pattern. Jitter (pattern) - a pattern of exposures at positions each shifted by a small movement (<30 arcsec) from the reference position. ... Making a tile: Ysteps ; . ... Resulting Exposure time map for a filled tile of 6 pawprints (no jittering). ...