The CHIANTI database consists of 4 primary ASCII files for each ion in the database. contains the energy levels in cm^(-1) It includes both experimental data and theoretical values of the levels energies. ... Wavelengths are based on experimental level energies where available; wavelengths calculated from theoretical energies are less accurate and are given as negative values. ... contains the spline fits to the electron collision strengths scaled according to Burgess and Tully (1992). ...

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... were entered in the atlas. ... In so doing lines were selected which yielded radial velocities close to the symbiotic velocity of MWC 560 (+35 km/s). ... The visible spectrum of MWC 560 is poor in absorption lines especially near the brightness maximum. In our atlas are visible only the blue-shifted components of , , NaI and FeII(42), interstellar lines NaI, a few diffuse interstellar bands (DIB) and telluric lines of and and, at length, traces of the spectra of the M giant. ...

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• Absorption bands identified with DIBs
• History

... Sun images . Magnetic storms online . Sun flares . ... December : 2008 . ... X-ray emission of the Sun from 08.12.2008 to 09.12.2008 (GOES-) . No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . Last updated: December 10, 2008 00:00 UT . ... 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...

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• Sunspots and active regions December 19, 2006
• Sunspots and active regions December 18, 2008
• Sunspots and active regions December 17, 2008

... Explanations of the Observation codes and GRT codes are available. ... VS codes are for the VSOP survey VT codes are for Test/Calibration Observations ------------------------------------------------------------------------------ EEXPNO SOURCE FRQ Corr DOY DY: DATE UT RANGE #TEL TELESCOPES VS05e J0428-37 C Pent 246 Tu:Sep-03 22:00 - 02:00 3 HH HO VS09l2 J0513-21 C Pent 249 Fr:Sep-06 20:00 - 00:00 5 HH SH KA HO VS06a2 J0525-45 C Pent 250 Sa:Sep-07 23:00 - 03:00 3 HH HO VS11w1 J0509+05...

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• December 2005 ATUC meeting agenda and supporting documents
• December 2013 ATUC meeting agenda and supporting documents
• December 2004 ATUC meeting agenda and supporting documents

... ESO Science Newsletter December 2015 . 17 Dec 2015 . ... This newsletter is a summary of recent ESO Science Announcement items. Follow the links or visit ESO Science Announcements to read more. ... Read more . ... The allocation of ESO telescope time for Period 97 (1 April БЂ“ 30 September 2016) is expected to be emailed in the week beginning 21 December 2015. ... ESO Workshop, ESO Headquarters, Garching, Germany, 27 June БЂ“ 1 July, 2016 . ... Joint ESO, ALMA, NAOJ, NRAO Workshop. ...

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• Identifications and Efficiency
• Sample Identification
• ESO - ESO-Enews #25: December 2012

... Home Education Workshops at Adorama Astro Imaging Workshop: Planetary Astro Imaging with a DSLR ? December 7, 2014 . ... Astro Answers . ... 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€а For the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Lecture Series 2015-2016 ? Amateur Astronomers Association of New York
• Observing-Events ? Amateur Astronomers Association of New York
• Observing ? Amateur Astronomers Association of New York

... HST . ... Data . ... HST Peer Review Process . ... HST Overview . ... Phase I Proposing . ... Retrieving HST Data . ... ETC . ... COS Data Handbook . ... December 2012 +--------------------------------------------------------+ In this Newsletter we provide some updates of interest to COS and STIS users who will be drafting and submitting Phase 1 HST programs over the next several weeks. ... Exposure Time and S/N calculated by the ETC for the G130M/1055 and G130M/1096 Settings are not correct . ...

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• Stars as Observed in the Infrared
• Photometry with STIS
• HDF-S Project Description

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Although the comet itself never comes dangerously close to the Earth, the particles of dust that it has shed during its many past passages through perihelion found their way into the Earth's atmosphere, appearing as meteors in the cold December sky. ... Animation 1 . ... An Ursid meteor captured by the Armagh Observatory's NE-facing meteor camera in the early morning of 23rd December. ... Meteor Showers Online . ...

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• Geminid Meteors
• Latest News
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Next: Flux calibration Up: Generation from In-Orbit Data Previous: Generation from In-Orbit Data Contents . The calibration is based in the identification of spectral features in the observed spectra of F-type stars for the UV grism and BPM 16274 for the Visible one. ... The CCF table is obtained by applying the polynomial to a monotonic array representing the pixels array in the extracted spectrum. Michael Smith 2011-09-20 ...

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• XMM Science Objectives
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• How to extract MOS spectra of a point-like source and associated matrices

... December 23, 1998 . Ring Around the Galaxy . ... Explanation: It is difficult to hide one galaxy far behind another. The closer galaxy's gravity will act like a huge lens , pulling images of the background galaxy around both sides. This is just the case observed in the above recently released image from the VLT : the red galaxy in the middle is in the foreground, lensing the image of the background green galaxy into surrounding contorted arcs . ... About APOD > . ...

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• APOD: 2008 December 8 - The Dark Doodad Nebula
• APOD: 2011 December 6 - Jupiter Rotation Movie from Pic du Midi
• APOD: December 15, 1999 - A Nova In Aquila

... This file table3 82 660 Observed wavelengths, laboratory values and identifications -------------------------------------------------------------------------------- Byte-by-byte Description ... Format Units Label Explanations -------------------------------------------------------------------------------- 1- 3 I3 --- SpOrd Spectrum order 5- 12 F8.3 0.1nm SolLam Wavelength determination of all solar and telluric lines measurable on the ... Note (6): J: Junkes et al., ...

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• Astronomical Catalogues

. This page provides links to some pages giving brief information on some new observing capabilities that have been added or soon will be added to CIMA. Auto-observing . The Mock spectrometer . Smart basketweaving . The WAPP dual board mode . ALFA sky angle tracking . You can return to the main CIMA page by clicking here .

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• Spectral-Line Observing
• AGES drift Observer's Log
• CIMA Configuration Files

... It follows from the optical identifications of the radio sources under study that 29 are quasars, 15 are BL\,Lacertae objects, 15 are galaxies, and 6 are empty field objects (i.e. optically unidentified objects). 7 (24\%) quasars, 9 (60\%) BL\,Lacertae objects, and 1 (17\%) optically unidentified object are variable at all the wavelengths. The data obtained show that the BL\,Lacertae objects have a significantly higher probability of being variable than the quasars and other radio sources. ...

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• The WSRT 327 MHz Galactic Plane Survey
• The GB/NAIC 5GHz Survey
• MIT-GB catalog

Astronotes Armagh Planetarium's Stellar Blog! ... March . ... Posted on May 20, 2015 | No Comments If you missed the Lyrids meteor shower in April, starting of May you had another chance to see some shooting stars as the Eta Aquarids meteor shower peaks on the [ ] . Continue Reading.. ... 3 Comments Already the year 2015 is proving to be a great year for stargazing with planets, comets and meteorites gracing the skies but prepare for March as it brings a тАШmicro [ ] . ...

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• observing | Astronotes - Part 4
• observing | Astronotes - Part 9
• Comet Lovejoy is on the Way | Astronotes

... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... December 2012 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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• December 2015 | Astronomy.com
• Phil Harrington's binocular universe (December 2007 web extra) | Astronomy.com
• December 2013 | Astronomy.com

... The highlight of the month is the total eclipse of the Moon during the night of December 20/21. ... Listed below are some of the key events, and the times they will occur, during December's total lunar eclipse. ... The eclipse is also visible in its entirety from Alaska (local time is UT тАУ 9 hours) and Hawaii (UT тАУ 10 hours), but be aware that most of the eclipse occurs on the 20th in these two regions. ... Penumbral Eclipse Begins . ... Partial Eclipse Begins . ... Total Eclipse Begins . ...

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• ASP: Contents, November/December 1997
• ASP: Using Multicultural Dimensions to Teach Astronomy
• ASP: Contents, November/December 2003

This section of AMPLE provides a means for identification of minor planets. ... Due to special organization of the package, AMPLE permits the identification to be reliable fulfilled THROUGHOUT the TITLE YEAR. ... In such cases the result of identification depends on where the nearest opposition of inspected planet is situated, within basic interval lasted from November of preceding year to February of subsequent one or without it. ...

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... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...

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• Erie County Mobile Observers Group (pa), AstroGuide Listing

Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . ... 2015 . ... December . ... December, 2015 . Visual indices of solar activity by author's observations . ... Average . ...

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INTEGRAL observations of SS433 : new results Anatol Cherepashchuk Sternberg Astronomical Institute, Moscow University, Russia In collaboration with: Rashid Sunyaev ... Eleonora Antokhina, Nikolai Shakura, Darja Kosenko, Elena Seifina,Sergey Molkov (IKI) 1 Overview · Introduction · · · · Observations Analysis of hard X-ray spectra Analysis of hard X-ray eclipses Discussion and conclusions December 26, 2007 ...

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• Russian Turkish 1.5-m telescope