is split into spectral colours, corresponding to wavelength. Red light has long wavelengths, blue light has short wavelengths. from hot objects are continuous , like a rainbow . atoms only emit light of specific colours, revealing their fingerprints as a line spectrum . atoms in front of a hot object absorb light at these colours, giving an absorption spectrum . are predominantly absorption spectra . next

... HST . ... Data . ... HST Overview . ... Data Analysis . ... Instruments . ... Important information regarding NICMOS spectroscopy can be found in Chapter 5 of the NICMOS Data Handbook, as well as on the Space Telescope European Coordinating Facility's NICMOS web page . ... Important updates, discoveries and developments that could potentially affect NICMOS observations, calibration, or data analysis. ... The HST Data Handbook is the primary guide for calibration, reduction and analysis of NICMOS...

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Next: Supernova 1998bv in HS1035+4758 Up: Results of the NOT Previous: The Hamburg/SAO survey for . We report new recent results from the follow-up program carried out with NOT on May 27 to 30, 1998. Preliminary estimates of element abundances in the observed BCGs were obtained on results of lower S/N spectroscopy with 6m telescope, and they indicated extremely low metallicity for one galaxy, and probable very low metallicity for several others (Pustilnik et al. 1998). ... HS1035+4758 . ...

... DLTS . ... Deep Level Transient Spectroscopy ( DLTS ) is a unique and powerful tool for the study of electrically active defects (known as traps) in semiconductors. DLTS can be used in one of two modes of operation; with Schottky diodes or with p-n junctions. ... The capacitance transient is measured as a function of temperature (usually in the range from liquid nitrogen temperature to room temperature 300K or above). ...

... MASTER COMPILATION of GOODS/CDF-S spectroscopy . CDF-S Master Spectroscopic Catalog - v1.2 ( 26/08/2004): . ... Vanzella et al., 2004, (astro-ph/0406591) . VLT/FORS2 spectroscopy . ... Le Fevre et al., 2004, (astro-ph/0403628) . ... Szokoly et al.,2004, (astro-ph/0312324) . ... 2004 ApJ 600 L99 . ... 2004, ApJ, 602, L5 . ... Strolger at al.,2004,(astro-ph/0406546) . ... ESO/WFI-R image with marked objects with existing public spectroscopic data in the GOODS/CDF-S area . ...

On 19/20 October 1995 we used GRIM II to attempt spectroscopy of the 2.3 micron CO absorption band in stellar clusters. ... Read Noise Our typical backgrounds in 60s were about 100 DN (about 500 e), and so for faint objects our noise is utterly dominated by the read noise of about 110 e. We can think of three ways to improve this situation: integrate longer; reduce the read noise; or implement multiple reads. ... Flats The quartz lamps were too dim for flats. ...

... The optical spectrum of the infrared source IRAS04296+3429 (optical counterpart - G0Ia star, V=14.2) was obtained with the echelle spectrometer PFES at the prime focus of the 6m telescope. ... 1995, Szczerba et al. 1996), our detailed modelling of its spectral energy distribution suggested that this source also should show the 30 m band. ... Stars: abundances - Stars: atmospheres - Stars: AGB and post-AGB - Stars: individual: IRAS04296+3429 . ... Spectral energy distribution . ...

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... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Information & tools for observers . ... Australia Telescope Online Archive (ATOA) . ... Astrophysics overview . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ...

MFS . Data archive MFS . ... Data archive HSFA . ... Catalogue of solar flares . Atlas MFS . Data archive MFS [FTS, AVI] . Data MFS-2009 . Data MFS-2010 . Data MFS-2011 . Data MFS-2012 . Flares archiv with asymmetry absorption . ... Catalogue of prominence 2011 . Catalogue of prominence 2012 . ... Data MFS-2013 . Data MFS-2014 . Data MFS-2015 . ...

. Общая Астрономическая Конференция > Товары для астрономов > Полезное для астрономии > Spectroscopy. The Key to the Stars . PDA . Просмотр полной версии : Spectroscopy. The Key to the Stars . striimii . 25.10.2007, 08:54 . Еще одна книжка 2007 года из серии 'Patrick Moore's Practical Astronomy' . http://stream.ifolder.ru/3869473 (PDF, 1.39mb) . vBulletin v3.8.4, Copyright 2000-2016, Jelsoft Enterprises Ltd. Перевод: zCarot

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... Up: Iraf Packages . ... IRAF Group, NOAO 1 , PO Box 26732, Tucson, AZ 85726 . This paper describes a new IRAF spectroscopy exposure time calculator. ... SPTIME takes an input source spectrum, either a reference blackbody, power law, or a user spectrum, a background ``sky'', observing parameters such as exposure time, central wavelength, seeing, airmass, and moon phase, instrument parameters such as aperture sizes and detector binning, a description of the spectrograph, and desired output. ...

We would like to announce the release of Version 3.02 of the CHIANTI database for astrophysical spectroscopy. This now extends the database to include the 1 - 50 wavelength region. The additions to the database are described in a paper `CHIANTI - an atomic database for emission lines, IV - Extension to X-ray Wavelengths' by K.P. Dere, E. Landi, G. Del Zanna, and P.R. Young and accepted for publication by the Astrophysical Journal Supplement Series. ... Atomic Data Updates (April 30, 2001) . ...

... EQUINOX = 2000.0 . DATE-OBS= '1993-04-19T11:23:36' . RA_PNT = 214.4982041667 . ... OBJECT = 'NGC 5548' . ... GRNDMD01= 'SPECTROSCOPY' . DETECT01= 'BLUE ' . APERID01= 'A-1 ' . FGWAID01= 'H19 ' . ... GRNDMD02= 'SPECTROSCOPY' . DETECT02= 'BLUE ' . APERID02= 'A-1 ' . FGWAID02= 'H13 ' . ... GRNDMD03= 'SPECTROSCOPY' . DETECT03= 'BLUE ' . APERID03= 'A-1 ' . FGWAID03= 'H19 ' . ... GRNDMD04= 'SPECTROSCOPY' . DETECT04= 'BLUE ' . APERID04= 'A-1 ' . ...

... Registration of Attenuated Total Reflection (ATR) spectrum of a sample, contacting with the ATR-prism. ... studies of fine-grain material after landing: surface dust, precipitating atmospheric aerosols, samples taken by a robotic arm (or a drill); . studies of aerosols during descend (or flight aboard a balloon) in an atmosphere; . ... The ATR-technique was not used before in planetary exploration experiments and it’s development is aimed for future projects for Mars exploration. ...

... Spectroscopy for Everyone! Tom Field . Thursday, Sep 8, 2011 at 8:00 PM . ... However, until the last few years, spectroscopy has been too expensive and difficult for all but a few amateurs. Today, though, new tools make spectroscopy accessible to almost all of us. ... This will be our first web-talk, in which the speaker will be giving a live talk from a remote site (in this case, Seattle). ... Speaker Bio . ... Sep . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Flux density at 1 GHz (/Jy): 19 . ... Notes: This is the remnant of the SN of AD 1006. ... Optical: Filaments to the NW, with broad H component. ... Point sources: The background Schweizer Middleditch star is near the middle of the remnant. ... van den Bergh 1976, ApJ, 208, L17. Optical observations. ADS . ... X-ray spectroscopy. ... Schweizer & Middleditch 1980, ApJ, 241, 1039. ... Optical spectroscopy of the Schweizer Middleditch star. ... Optical spectroscopy. ... 2013, A&A, 552, A9. ...

Lectures . ... Home Lectures Lecture Series 2011-2012 Lecture Series 2011-2012 ? тАЬThe Mystery of Beta Lyrae: Astronomical Spectroscopy for AmateursтАЭ ? Fred Chromey . ... Lecture Series 2011-2012 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...