... Observing . Observing details . ... Mike Keith has code to parse these schedules to produce a list of pulsar-specific Parkes observing. ... Please identify which observing sessions you can support and then click on "add new" on Mike's pulsar-specific schedule to add your name to the roster. ... Familiarise yourself with the current remote observing documentation listed below. ... The PPTA dashboard allows anyone to view the log from the current or any previous observing session: . ... PPTA log . ...

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• VSOP Observing Schedule
• Flux density bootstrapping
• VLBI Wiki | LBAJul2011 / V255O

... Jitter is usually very small in magnitude and random in effect, and is not expected to lead to systematic throughput changes. ... However, such a change should lead to an obvious decline in the strength of the comparison lines at one end of the spectrum relative to the other and not an overall decline in counts. No such effect is seen (the counts decline evenly from one end of the spectrum to the other). ... The value changes steadily, but not by enough to account for the changes in counts seen. ...

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• A New Database of Observed Spectral Energy Distributions of Nearby Starburst
• Observing Windows [Windows]
• GHRS Instrument Science Report 073: Initial Hypotheses

... In order to compare the number of different evolutionary stages obtained and X-ray luminosity of the chosen X-ray sources with the observed galactic values we use the sum of C/O+O/C , where C and O are the calculated and observed values of a given binary type, respectively. If we make comparison for a number of different binary species (for example, we compare the number of CV, number of X-ray pulsars,   total X-ray luminosity of LMXB, etc.), we write this criterion in the form: . ...

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• Initial Distributions of Binary Parameters
• Binary Pulsar Diversity and High Neutron Star Birth Velocity
• Restrictions on the Scenario Parameters

... We will consider the rms, (K), for observations with a receiver of system temperature, T , frequency resolution, per polarization, and total integration time per observing cycle, . ... For ``in-band'' frequency switching, the line under investigation is always in the observing band. ... Position Switching or ``Out-of-Band'' Frequency Switching: Here the line is only observed for one half of the time, with noise being present all of the time. ...

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• CIMA Auto-Observing
• Solar System Studies at AO
• LEAPFROG TECHNIQUE OBSERVING INSTRUCTIONS

... Over the course of a week two secondary students James Hadnett and Liam Fields observed NEAs using one of two 2-Metre telescopes courtesy of the Faulkes Telescope Project which are positioned in the Northern and Southern Hemisphere. This was made possible with the aid of Las Cumbres Observatory who, with their Global Telescope Network, give educational establishments the chance to observe with a high grade telescope. ... Comet C/2012 F6 (Lemmon) observed on 2013 July 1st. ... 2013 July 5th . ...

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• Armagh Observatory
• First CCD Observations of Asteroids from Armagh
• Broadening of Si VIII lines observed in the Solar polar coronal holes

... The J, H and K bands are characterized by a bright background, such a background is mainly due to the emission of atmospheric lines and of thermal radiation. ... If the source cover a large fraction of the slit, spectra off-source must be observed to adequately sample the sky background. ... The on chip integration time (time spent in each position of the slit) must not exceed 40 seconds in J and H bands and 60 seconds in K band. ... We suggest a sequence of 10 for each elementary integration time. ...

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• Dust grains from the heart of supernovae
• IBIS: SolarNet Access
• The Discovery of the Galilean Satellites

The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...

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• Events on January 10-11, 1997 - INTERBALL observations
• Interball Workshop Posters
• Spacecraft Observing the Sun and the Heavens above

... Note on Filters: . ... NGC 3351 is a mostly face-on late type spiral galaxy. It is marked by a bar like feature in its central regions and a strong inner ring of star formation. ... The galaxy was imaged through the A1,B1 and B5 filters over a total exposure time of 1936 seconds. ... The galaxy was imaged through the A1 filter for 450 seconds and the B1 filter for 1084 seconds. ... The galaxy was imaged through the A1 and V1 filters over a total exposure time of 1200 seconds. ...

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• Power Spectrum of Galaxies
• Dark Matter in the Universe

... Finally, the individual observations themselves are reduced, using the parameters from the extinction solution. ... That is, the extinction solution can in principle produce results if we observe extinction star 1 only in passband A and star 2 in passband B on night 1, and star 1 only in passband B and star 2 in passband A on night 2. ... Even if the passbands are linked by color terms in the extinction, the solution is possible, because we do obtain mean colors for each star. ...

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• Variable radio sources
• Radio survey for new compact HII regions
• The sample description

... The scheduling routines assist in creating an observing list (stored in the startable) from scratch or from another list stored on disk, and computing the visibility of the stars in a specific night and array configuration. The date of observation is taken from the variable date , and the array name from the variable systemid . If these are not defined, defaults are used for date (the next night) and for array (NPOI). ... addstar , stars _char Add one or more stars to the startable. ...

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• ESO - Observing conditions: definitions
• ESO - Swedish Heterodyne Facility Instrument Science Verification
• ESO - Guaranteed Time Observations

... Using the self-consistent 3D hydrodynamical code in Kobayashi et al. (2007) , we simulate the star formation and chemical enrichment history of the Universe. ... We also predict the rates of supernovae and gamma-ray bursts, and the properties of the host galaxies, which will be observed with the ANU's new SkyMapper telescope. ... Supernova feedback on galaxy formation. ... Feedback from active-galactic nuclei (AGN). ... COALA : Universe Galaxy AGN Star Planet ...

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• The SMS Survey
• COALA - Cherie Fishlock

Pulkovo NEO Page . ... NEA Accuracy Estimation . ... The estimation of accuracy of the current CCD observations of asteroids and comets is constantly performed at Pulkovo Observatory. ... The (O-C) values, so called "Observed" minus "Calculated" positions, characterize numerically the observations of any observatory, both professional and amateur, during a short period (one or several close nights). ... So the (O-C) values for these objects nearly entirely define the errors of observations. ...

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• Pulkovo NEO Page: Ephemeris Support

... Here some data observed on the 6m telescope with IFP installed in the OLD focal reducer are presented. ... Mkn 3: velocity field . ... NGC 5252: [OIII] image . ... NGC 5252 was observed 23 Feb. 1998 in the [OIII]5007 emission line with CCD TK1024 as detector. ... We observed the ionized gas velocity fields of the spiral galaxies with two purpose. ... Restored velocity field of NGC 157 in the reference frame rotating with the pattern speed overlaid on the Ha image of the galaxy . ... NGC 4100 . ...

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• Emission molecular bands
• Observations and spectra reduction
• di_eks

Astronomy Discussion Forums . ... What I See . ... Follow Ups | Post Message | ... I have observed the Double Cluster, the BeeHive cluster and other open and various Globular Clusters. My main problem with my 114mm reflector is in its inabliity to bring deep sky objects. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• So Where Is Mars Now? - an Astronomy Net Observation_reports Forum Message
• Hi Again - an Astronomy Net Observation_reports Forum Message
• TIME DILATION - an Astronomy Net Observation_reports Forum Message

... 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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• AIRY: Astronomical Image Restoration in interferometrY
• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• SDImager: An Imaging Tool for Single Dish Observations in AIPS++

... 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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• Champlane Observation: Magellan/IMACS June 6-9, 2005
• Watching the Stars go `Round and `Round
• Champlane Observation: CTIO 4m/MosaicII June 22-23, 2009

... Lightcurves of two satellites of Saturn, namely Hyperion (S7) and Phoebe (S9), were modeled using algorithms and programs developed for calculat­ ing the rotational dynamics and constructing theoretical lightcurves of planetary satellites. ... The problem of fitting an observed lightcurve with the model one is solved by varying the initial data and values of the parameters of the problem. ... The value of the MLCE calculated for the deduced initial data and values of the parameters is close to zero....

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• (Untitled)
• Keywords_120
• Observers

The table below gives a summary of detections of the radio afterglow of the gamma ray burst GRB 021004, observed with the Ryle Telescope at 15.2 GHz in 2002 October. observation . ... 2002 Oct 04 23 31 . ... Some of these results have been published via GRB Coordinates Network (GBN) circulars: (see: 1575 , 1588 and 1604 ). ...

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• VLBI observations of the quasar 3C380
• Dave Green: SN1993J at 15.2 GHz
• Dave Green: SN1994I at 15.2 GHz

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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• NICMOS Science
• The Formation and Evolution of LMC Rich Star Clusters: NGC 1818

... the time of observation . ... Observing the Changing Position of the Sun To Establish Cardinal Directions . ... Observations of the Sun's apparent movement across the sky and its pattern of rising and setting in the east and west horizon helped to establish the cardinal directions. ... The final stage of the Sun's return was marked by the observation that the Sun had reached its highest altitude when the full width of your mitted hand could fill the gap between the Sun and the horizon. ...

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• ASP: Guest Observer
• ASP: Attacking Mars
• ASP: The Comet About to Smash into Jupiter