Peremennye Zvezdy ( Variable Stars ) 28 , No. ... Received 15 November 2007; accepted 21 February 2008. ... Multi-night CCD observations of the previously unknown variable GSC 02805-00766 reveal its nature as a contact binary. We present its light elements and light curve. ... It was monitored by S. Kleidis in autumn/winter 2006 and autumn 2007 for fifteen nights. ... Fig. ... The phased light curves in both filters are given in Fig. 1 and Fig. 2, they are typical for W UMa systems. ...

Follow-up observations with the University of Washington 0.76 m telescope at Manastash Ridge Observatory (MRO) of the Sloan Digital Sky Survey (SDSS) cataclysmic variable (CV) SDSS J170053+400358 are presented. ... They estimate that the dimming amounted to about 0.028 mag (using two comparison stars that were each about 4 mag fainter than HD 209458). only UW affiliated authors have been listed, student researchers are marked with an ``*'' . ... XTE J1859+226" UW affiliated authors: *Kevin Krisciunas. ...

A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...

... In typical nightly use, the wide field and planetary telescope and cameras record images of favorably placed objects in the sky, including constellations, bright variable stars, nebulae through narrow-band filters, comets, the Moon, and planets. ... Shared Skies telescopes are available for use by students at the University of Louisville and the University of Southern Queensland, and by teachers and students in middle and high schools mentored by faculty at the universities. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The folded light curve obtained from data taken during the quiescent interval MJD=55687.0 55714.0, ie between outbursts SO4 and LO4 (see Table 2). ... We present the results of an analysis of Kepler data covering 1.5 years of the dwarf nova V447 Lyr. ... We also detect five long outbursts and six short outbursts showing V447 Lyr is a U Gem type dwarf nova. ...

... Дни открытых дверей к юбилею САО РАН (12-14 апреля 2016 г.) . Международная конференция "Dark Ages and White Nights (Spectroscopy of the CMB)" (20-24 июня 2016 г.) . ... Международная конференция MULTI-SPIN GALAXIES - 2016 (26-30 сентября 2016 г.) . Международная астрономическая конференция "Физика звезд: от коллапса до коллапса" (3-7 октября 2016 г.) Архив . ... Подробнее.. ... 10.02.16 . ... БТА в реальном времени . ... Цейсс-1000 в реальном времени . ... Последнее обновление: 22/03/2016 ...

... Previous: Generalized Linear Multi-Frequency Imaging in VLBI . ... At Astronomical Observatory of Valencia University (OAUV), CCD observations of asteroids and big planets satellites are obtained since 2001 with a big format camera and several telescopes. ... Software for comparison of single and overlapped CCD fields obtained at different epochs has been developed. ... After images measurement in CCD field, catalogue stars are identified and adjusted with images. ...

Describes the environment variables which can be used to tailor the overall Funtools environment. ... The FITS_EXTNAME environment variable specifies the default FITS extension name when FunOpen() is called on a file lacking a primary image. ... ARRAY . The ARRAY environment variable specifies the default definition of an array file for Funtools. ... The EVENTS environment variable specifies the default definition of an raw event file for Funtools. ... You also can use the CC environment variable. ...

... OH, = 18 cm Nancay Radio Telescope, OH 18-cm line observations , since 1969 F, Jy 6 4 2 0 0 -1 -2 0 -1 -2 0 -2 -4 -6 30 40 50 1612 MHz I HU Pup August 5, 2009 1665 MHz 4 2 0 0.5 0.0 - 0.5 -1.0 -1.5 1.0 0.5 0.0 - 0.5 4 3 2 1 0 -1 1667 MHz I I 1.0 0.5 0.0 0.5 0.0 22-meter telescope, Pushchino Radio Astronomy Observatory H2O F, Jy 1.0 0.5 0.0 0.4 0.2 0.0 -0.2 -0.4 0.4 0.2 0.0 -0.2 -0.4 -0.6 0.6 0.4 0.2 0.0 -0.2 -0.4 -70 -60 -50 -40 -30 -20 -10 0 Mira-type star R Leo. ...

... Parameters . Filters . ... Direct images . ... The SCORPIO-2 project: . Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2 . The broad-band glass filters made in SAO RAS are used for the observation in the Johnson-Cousins (UBVRI) photometric system in the direct images mode. The glass filters transmission curves are shown by solid line. ... The filters transmission curves of the `comets' filters measured with the SCORPIO-2 in the F/4 beam. ...

... GCVS:Description . GCVS Query form . ... The combined table of GCVS Vols I-III and NL 67-80 with improved coordinates ( files ) Version: Sep., 2015 . ... GCVS Vol.V. Extragalactic Variable stars ( files ) . ... NL81 part 2 ( files ) . ... Variable Stars in Plaut's fields ( files ) . ... Samus N.N., Durlevich O.V., Goranskij V.P., Kazarovets E. V., Kireeva N.N., Pastukhova E.N., Zharova A.V., General Catalogue of Variable Stars (Samus+ 2007-2015), VizieR On-line Data Catalog: B/gcvs . ...

... Observing . ... Home Education Workshops at Adorama Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Presented by€а Adorama €аFor the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Each point shows the 1 sigma photometric errors and the time span covered by the data; the dotted lines are the 3 sigma limits of each image. ... The solid thick lines are a fit obtained from a K-corrected, time-dilated SNIb light curve at z= 0.95 with tmax=34.0, E(B-V)=0.04 and omega=0.1. ... The three images on the left are the total HDF-N images by Williams et al. 1996 with a pixel scale of 0.04 arcsec/pixel. ... Each image is labelled by the filter and the time range of the observations in days....

Contents. planet: 5 - Jupiter satellites: J7 - Elara : 12, J8 - Pasiphae : 6, J10 - Lysithea : 12, J11 - Carme : 16, J12 - Ananke : 3, J13 - Leda : 3 total number: 52 type: absolute dates: 1992, 1993, 2003 observatory: 568 - Mauna Kea 691 - Steward Observatory, Kitt Peak-Spacewatch 938 - Linhaceira Reference. ... 691 - J. Scotti 938 - R. Goncalves. data included in standard data file: no Comments. ... Hour of right ascension (alpha, h) 6. ... Degree of declination (delta, deg) 9. ...

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) METEOR OBSERVATIONS WITH MINI-MEGATORTORA WIDE-FIELD MONITORING SYSTEM S. Karpov, 1, 3 N. Orekhova2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Ivanov,2 E. Katkova,2 A. Perkov, and V. Sasyuk3 RESUMEN 2 Favor de prop orcionar un resumen en espanol. ... The faintest detected meteors has the peak brightness about 10 mag, while the ma jority - from 4 to 8 mag. ... 2010; Karpov et al. 2013; Beskin et al. ...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

... 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 | ...