... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The first claim that HI could be associated with a dSph-like system was for the dIrr/dSph system Phoenix (Carignan, Demers & CУДtУ? ...

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• Australian Long Baseline Array - Previous LBA Schedules
• Pulsar group | Main / Group
• HI associated with the Centaurus Group dSph CEN_41

... Home Logos header_observing-01 . ... Lecture Series 2014-2015 . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... Clear Sky Chart . This Month's Sky . ... This Month's Sky - 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 . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Amateur Astronomers Association of New York ? Amateur Astronomers Association
• tomvenus5 ? Amateur Astronomers Association of New York
• This Month?s Sky ? Amateur Astronomers Association of New York

... NICMOS Instrument Handbook version 10.0 . ... The revised main source of information on NICMOS for use in preparing proposals for Cycle 17 of the HST Observing Program. ... The first version of the handbook containing the main source of information on NICMOS for use in preparing proposals for Cycle 10 of the HST Observing Program. ... The revised main source of information on NICMOS for use in preparing proposals for Cycle 7-NICMOS of the HST Observing Program. ... NICMOS Data Handbook version 7.0 ....

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• Thermal/Sky Backgrounds GPI Data Pipeline 1.0 documentation
• Data Parser GPI Data Pipeline 1.0 documentation
• Persistence GPI Data Pipeline 1.0 documentation

... The process of proposing for Hubble Space Telescope observing time has been revised, to make it simpler for proposers. We describe the simple, flexible, and robust prototype system created to handle proposal submission. ... Proposing for Hubble Space Telescope ( HST ) observing time proceeds in two phases: the scientific merits of the proposal are considered in Phase I; only accepted proposals enter Phase II, where the observations are described in complete detail. ...

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• The NOAO Web-based Observing Proposal System
• Data Structure and Software of the UCAC-S Project
• The XTE Data Finder (XDF)

... Public . ... Science Users Information > Observing with ESO Telescopes > Phase 3 > Release Validator . ... Publications with ESO Data . ... Please make sure to obtain the latest versions of the Phase 3 validator (v2.3.0) and fitsverify (v4.16) for data release preparation. The current Phase 3 validator, version number 2.3.0, implements the ESO Science Data Product Standard, Issue 5, Date: 11/01/2013, including the amendments listed at http://www.eso.org/sci/observing/phase3/faq.html . ...

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• ESO - Release Description
• Observing list preparation
• ESO - FORS2 and UVES Science Verification

... The Arecibo telescope upgrade is now nearing completion and we anticipate a resumption of tracking-mode observations for the carriage house, possibly as early as the second quarter of 1997. Therefore we are calling for the first round of observing proposals to use the 430- and 47-MHz carriage house instrumentation. ... 1) Obtain a cover sheet. This can be accomplished by either sending an empty e-mail to cover@naic.edu or by sending a request letter to the address given below. ...

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• OBSERVING PROCEDURES
• Spectral-Line Observing
• INTRODUCTION to Spectral Line Observing at AO

Next: J.E. Chambers, Research Astronomer Up: Research Previous: W.M. Napier, Senior Research Contents . Dr John Butler has carried out activities in the following main areas: . ... Bag?, has started a project on the link between solar activity and cosmic rays on clouds and their possible influence on the Earth's mean temperature. ... The proceedings of the meeting were edited by C.J. Butler and J.G. Doyle and published by the Astronomical Society of the Pacific in their conference series. ...

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• M.D. Smith, Research Astronomer
• Moon observing with Deirdre's scope | International Year of Astronomy in
• Observing the Moon and Saturn with the Grubb telescope in Dunsink |

... Bojan Nikolic web pages (r. 329) . ... We present a Bayesian approach to calculating the coefficients that convert the outputs of ALMA 183 GHz water-vapour radiometers into estimates of path fluctuations that can be used to correct the observed interferometric visibilities. ... Inference of Coefficients for Use in Phase Correction . ... Simulating Atmospheric Phase Errors, Phase Correction and the Impact on ALMA Science . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

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• ALMA WVR phase correction algorithms and software Bojan Nikolic web pages (r.
• Example of an OOF analysis for the GBT Bojan Nikolic web pages (r. 329)
• Out-Of-Focus (OOF) Holography Bojan Nikolic web pages (r. 329)

... The choice of the spectrograph design (Fig.2) is determined by the quantity R, the overall dimensions of the PF cage and the restrictions on the rigidity of the structure of the device. ... As the camera's objective a fast 4-lens aplanat is used having a focal distance F cam =140 mm and a relative aperture of 1:1.8, the resolution at the centre is no less than 80 gr/mm, that over the field at a distance of 3 mm from the edge along the frame ( ) diagonal is 35 gr/mm. ...

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• Observational data
• Introduction
• Emission molecular bands

... I have always heard that everything we see is "star stuff" from previous stars that died after converting their hydrogen into heavier elements. So how is there any hydrogen left for the Sun and planets? ... Hydrogen is the main source of fuel for stars like the Sun. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

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• Previously understood that magnetic fields were directly related to rotation,
• Are elliptical galaxies much younger than previously thought? | Astronomy.com
• Bright planets meet at dusk | Astronomy.com

. Next: Introduction Up: PEPSYS general photometry Previous: General advice about . Introduction . Preparing to use the planning program . Using the planning program . Selection criteria . Influencing the plan . Rein Warmels . Mon Jan 22 15:08:15 MET 1996

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• An example of selection criteria
• Checking the quality of the data using the OST
• Association of images

... Cheers, -Mike Data Providers (e.g., data centers, archives) Provider Name: NOAO Collection: High Resolution Atlas of Arcturus Spectra - 0.92-5.36 microns Characteristics: 310 ASCII tables of wavenumber vs flux Storage Format: Text tables Available online: ftp://ftp.noao.edu/catalogs/arcturusatlas/ir Comments: Tables contain three flux values (arcturus spectrum, telluric spectrum and ratio) for both summer and winter observations. ... Linelists also available as text table ...

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... ARC 3.5m | Weather Closure Conditions . The enclosure will be closed by the Observing Specialist under the following conditions. ... This policy will be consulted whenever there are questions or disagreements concerning closure of the APO 3.5-meter telescope due to hazardous conditions or situations, at times when telescope operations are being overseen by an APO Observing Specialist. ... the on-duty Observing Specialist has full responsibility, and sole authority, to make this decision. ...

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• TCC logs
• APO Telescope Documentation
• APO Home Page

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• Description
• Previous RGS source list.

Next: NICMOS/HST H-band (F160W) Images Up: NICMOS Science Previous: HST NICMOS Observations of . ... Observations of P . ... The NICMOS team has devised a comprehensive program of observations of the Galactic Center. ... Data in hand give a first look at variability and a detailed look at the search for the tip of the main sequence will be discussed where NICMOS has demonstrated adequate sensitivity and photometric precision to identify likely O8-B1 stars at the Galactic Center. ...

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• VLT First Light
• NICMOS Data Calibration and Analysis
• NICMOS Science

... Outreach . ... Student Outreach Group . Upcoming Events . Previous Events . ... The outreach group helped out at the annual ANU open week at the Kioloa Coastal Campus. Eduard and Brad provided public observing nights. ... More than 600 people attended the open week and the astronomy sessions were surprising popular despite poor weather. Eduard and Brad also presented 2 public lectures on astronomy. Volunteers: Brad and Eduard. Copyright 2007 Emma Kirby. ...

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• Siding Spring Survey Follow-up Obs
• Research Interests
• Philip Lah's Research

... Actual stars are expected to be more complicated than these simulations. ... The spot may be entirely visible most of the time (one would observe a prolonged flux minimum low), and then part of it may disappear over the horizon briefly and then return (slow rise and then fall back to constant level). ... With the set of observations taken here, I have information available from several comparison stars and color information. ... The period found must be consistent with the data from any given night....

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• The Orion OB1 Association
• Source Selection
• Windowing

Next: Acknowledgements Up: Evolution of the double Previous: Effect of sources evolution . Our calculations show that if GRB indeed are due to binary neutron star coalescence, they can potentially constrain the cosmological parameters as well as the early star formation history. ... 1994). ... If the cosmological origin of GRB will be confirmed, the - and test could be used to independently estimating the cosmological parameters and tracing star formation history in galaxies. ...

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• Evolution of the Double Neutron Star Merging Rate andthe Cosmological Origin of
• Number of accreting X-ray binaries of selected types
• Galactic potential

... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...

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• Silicate minerals
• Wavelength dependence
• Extinction properties (transmitted radiation)

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...