... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

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• Proposing Overview
• HDF-S Flanking Fields Data Reduction / Technical Issues
• HST Observer Monthly

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

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• Light Curve Templete/Observing Form For Visual SNe Observers.

Duty astronomers at the Compact Array are rostered from ATNF staff and students to provide support to observers at Narrabri for periods of one week at a time. The duty astronomers are required to assist observers prepare observing schedules, help set up the Compact Array at the start of an observing run, diagnose and attempt to solve problems that arise in the course of the observations and help observers with the initial analysis of their data. ... www.atnf.csiro.au/observers/tidbinbilla . ...

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• lbaops:lbajul2011:v255o [ATNF VLBI Wiki]
• VLBI Wiki | LBAJul2011 / V255O
• Pulsar group | Main / ANDSATNF

... Public . Science . ... Science Users Information > Science Publications > Science Announcements . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... Science Announcements . ... Published: 17 Sep 2014 . An extended set of FAQs (Frequently Asked Questions) on data reduction is available . ... Published: 28 Aug 2014 . ... This feature is available for all ALMA programmes, except for science verification data. ...

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• ESO - UT1 Science Verification
• ESO - First public release of data products from the VISTA public surveys
• ESO - Call for Public Surveys with the Arizona Radio Observatory

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

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... The program begins with a residential summer institute at the Arecibo Observatory. ... The summer program will introduce the conceptual base (atmosphere science, geology), and provide the hands-on activities with the technology and equipment that will be used to carry out the research projects. At the end of the year, participants will report their findings to colleagues and mentors in a geoscience congress that will be organized at the Arecibo Observatory. ... Arecibo Geoscience Congress . ...

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• The CIMA Observing Modes
• VLBI at Arecibo Observatory
• DATA ANALYSIS

... Up: Proposal Processing . ... ESO is prototyping a distributed ``Phase II'' system that will allow astronomers to prepare their observations at their home institutions, while maintaining a central repository for all observation data. ... ESO is developing a Phase II Proposal Preparation system (P2PP) to collect detailed scientific programme descriptions, in the form of observation blocks (OB). ... ESO's Phase II Proposal Preparation system is an integral part of the VLT Data Flow System (DFS). ...

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• Electronic Submission of HST Phase I Observing Proposals
• Calibration and Performance Control for the VLT Instrumentation
• See Spike Run... Run, Spike, Run

SETUP : For service mode observations within the SOLARNET Access Program, ROSA and IBIS can be utilized either as stand alone instruments, or combined together. ... PROPOSAL STRUCTURE: Proposals should include up to max 2 pages, including a scientific rationale and technical requests (detailing i.e. spectral filters and wavelength sampling). ... For the case of joint IBIS and ROSA observations, proposals should indicate which instrument is to be considered as the primary one. ... SOLARNET Access . ...

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• Procedures for Observations
• The Arcetri Spectral Code - E.Landi and M.Landini (2001)
• Observing capabilities

... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...

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• Observers Instructions for filling out the ARCSAT nightlog
• Astrophysical Research Consortium Small Aperture Telescope
• Untitled Document

Next: Generation from Ground Calibration Up: EMOS_REDIST Previous: EMOS_REDIST Contents . The redistribution parameters for the MOS cameras. ... Attributes: . None. Columns: . ... The central CCD of each MOS detector has developed a patch where the energy resolution is worse than the average. ... The energy bounds of PHA channels. ... The energy bounds of the PI channels, used to determine the equivalent energies of spectral channels in the redistribution matrix construction. ...

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Peremennye Zvezdy", . ... GSC 4232-02515, NSVS 3147658, NSVS 3174760 . ... 14.2-14.9 (R, NSVS); . ... During observations of a secondary eclipse of GSC 04232-02830 (Goranskij et al., 2005) on August 8, 2007, we identified GSC 4232-02515 as a W UMa eclipsing binary. ... VAST software was used for aperture photometry. ... This method produces a light curve with an arbitrary zero point. ... Light Curve . Light curve of GSC 4232-02515 in NSVS magnitude scale. ... gsc423202515_kadar_nsvs.dat . ...

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... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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• Observing with VISTA
• VISTA - Visible and Infrared Survey Telescope for Astronomy

... Tonight's Sky . ... Sky this Month . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... space physics . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Astronomy for Kids . ... Sky Events . Get to Know the Night Sky . Tour the Deep Sky . Sky Guide . ... Max Planck Institute for Gravitational Physics, Hannover, Germany . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• University of Hawaii at Manoa's Institute for Astronomy, Honolulu |
• Max Planck Institute for Astronomy, Heidelberg, Germany | Astronomy.com
• Planetary Science Institute, Tucson, Arizona | Astronomy.com

... Information about a variety of different calendars for different cultures (e.g., Christian, Jewish, Muslim, Chinese, Hindu etc.) ... In addition, the Chinese had two different ways of interpreting and observing celestial events. One way the Chinese used astronomy was known as lifa; it was a discipline that aimed to understand the regularities and the predictable events in the celestial system through careful, observations, measurements and records. ... back to Teachers' Newsletter Main Page ...

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• ASP: Guest Observer
• ASP: The Return of Halley's Comet
• ASP's 2012 Annual Meeting

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

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• Астрономия в Санкт-Петербургском университете |

... At 22:42:27 UT 26/07/09, the Burst Alert Telescope (BAT) on board of the SWIFT multi-wavelength space observatory triggered and located GRB 090726 gamma-ray burst event. ... About half an hour after the BAT trigger, the first images were obtained with the SAO RAS Zeiss-1000 telescope in four BVRI filters (see Fig.1). ... The spectrum of the optical transient was obtained with the SAO RAS 6-m BTA telescope 1.54 hours after the burst, using the SCORPIO instrument in the spectroscopic mode (Fig.2). ...

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• The spectrograph design and the observing procedure
• GRB follow-up team GRB workshop 2009
• SCORPIO-2 project: description

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

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Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

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• Melted remains of Cassegrain spectrograph are on the remains of the observing
• Siding Spring Survey Links
• GSAOI Other Instrument Links Page

... Proposals will be accepted until 1 May 1997 and should be sent to: Mary A. Cragg Mount Wilson Institute 740 Holladay Road, Pasadena, CA 91106 USA e-mail: mwi@mtwilson.edu Haystack Observatory Call for Proposals ---------------------------------------- Haystack Observatory invites proposals for the use of the 37-m radio telescope for observations in the following wavelength bands: 3-mm (85-115 GHz ) 7-mm (35-49 GHz ) 1.3 cm (21-25 ...

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• ПРИЛОЖЕНИЕ ј2 к Выпуску N2(16), март-апрель 1998

... O.B Slee , Australia Telescope National Facility, CSIRO, Sydney bslee@atnf.csiro.au ----------------------------------------------------- ... ----------------------------------- 1- 8 A8 --- Name IAU name 9 A1 --- nFlag Flagged '*' or '#' 11- 12 I2 h RAh Right Ascension B1950 (hours) 14- 15 I2 min RAm Right Ascension B1950 (minutes) 17- 20 F4.1 s RAs Right Ascension B1950 (seconds) 22 A1 --- DE- Declination B1950 (sign) 23- 24 I2 deg DEd Declination ... Dulk, G.A. Slee, O.B. 1972, Aust. ...

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• WISE All-Sky Release Catalog
• The sample description
• Getting the observations