... We present composite spectra of red and blue sub-samples of the PHFS quasars, and tabulate their emission line properties. The median H and [O III ] emission line equivalent widths of the red quasar sub-sample are a factor of ten weaker than those of the blue quasar sub-sample. ... Both the colours and the emission line equivalent widths of the red quasars can be explained by the addition of a featureless red synchrotron continuum component to an otherwise normal blue quasar spectrum. ...

Еще в разделе: (Показать все результаты (>7540) - www.atnf.csiro.au/ )

• Magellanic Cloud HI emission spectra

Next: Quasars Up: Emission-line galaxies Previous: Classification criteria . The main ELG candidate selection criteria applied here are a blue continuum (near 4000 ?) and the presence of strong or moderate [O III ] 4959,5007 ? ... Figure 5 shows the equivalent widths of the [O III ] 5007 ? line versus the apparent and absolute blue magnitudes. ... emission line versus blue apparent ( a) and absolute magnitudes ( b) for HSS ELGs. ...

Еще в разделе: (Показать все результаты (>1141) - www.sao.ru/ )

• Creation of the Input Emission Spectrum
• Emission-line galaxies
• Results and Discussion

Next: Radial velocity of the Up: Optical spectrum of IRAS04296 Previous: Observations and spectra reduction . ... However, molecular emission features are only very rarely observed in the optical spectra of PPNe. ... On the other hand, it is well known that cometary nuclei spectra show prominent Swan band emission. In both spectra of IRAS04296 we have discovered strong emission in the (0;0) and (0;1) bands of the Swan system of the molecule. ... Now consider the case of IRAS04296. ...

Еще в разделе: (Показать все результаты (>673) - jet.sao.ru/ )

• Observations and spectra reduction

Emission Line Diagnostics in a ``No UV Bump'' Quasar PHL909 Smita Mathur, Belinda Wilkes, Martin Elvis and Jonathan McDowell Abstract PHL909 is a quasar with unusually low ultraviolet luminosity (blue bump strength C UV=IR = \Gamma0:20 compared to an average value of 0:4 (McDowell et al. ... The intrinsic continuum of PHL909 ( i.e. as seen by the BELR ) may thus be similar to the `standard' continuum, with a big blue bump, reddened along the line of sight. ...

Еще в разделе: (Показать все результаты (>1937) - hea-www.harvard.edu/ )

• Magnetospheric Emission From Isolated Pulsars
• H/RCULES
• Chandra Images for G337.2-00.7

... An interactive IRAF task for the analysis of Extreme Ultraviolet Explorer ( EUVE ) emission line spectra is presented. The line flux in extracted spectra may be measured by multiple techniques, including fitting individual lines. ... To aid in identifying lines, the positions of known lines may be marked on the spectrum during the fitting process. Also, model EUVE spectra may be constructed and overlaid using plasma emissivities and source emission measures supplied by the user. ...

Еще в разделе: (Показать все результаты (>1141) - www.adass.org/ )

• EMSAO: Radial Velocities from Emission Lines in Spectra
• NICMOSlook and Calnic C: Slitless Spectra Extraction Tools
• ADASS VI Cover Page

Motivation · 40 orbits of UDF observations with the ACS grism · Spectra for every source in the field. ... Science Goals · Probe reionization era by determining luminosity functions of lyman- emitters, lyman-break galaxies at z=4-7 and low-luminosity AGNs. ... Ultradeep Field Grism Expectations: Lyman Break Galaxies · Extrapolating from shallower grism data, we estimate that Lyman break galaxies can be reliably identified to I(AB) = 26.9 for breaks near the throughput peak. ...

Еще в разделе: (Показать все результаты (>11022) - www.stsci.edu/ )

• THE GALACTIC EMISSION LINE OBJECT ATLAS
• Modeling of the Blue Bump Emission in High Redshift Quasars.
• Extended Mid-Infrared Aromatic Feature Emission in M82

... Bojan Nikolic web pages home . ... 18 GHz of the continuum emission from the reportedly anomalous . region 4" of the nearby galaxy NGC 6946. We find that the emission . ... 8.5 GHz, but has a spectrum from 15-18 GHz consistent with optically . ... In combination . ... dust component is slightly preferred above those which possess more . well established emission mechanisms. ... http://www.mrao.cam.ac.uk/~bn204/publications/2010/N6946.pdf . ... Copyright 2012, Bojan Nikolic feedback welcome ...

Еще в разделе: (Показать все результаты (>1307) - www.mrao.cam.ac.uk/ )

• Paper II: Spinning dust in galaxies Bojan Nikolic web pages (r. 329)
• Modelling absorption and emission of radiation by interstellar dust Bojan
• Modelling absorption and emission of radiation by interstellar dust

These are very prominent absorption lines is most all galaxies. ... These pair of absorption lines will appear in all the spectra and they should be your principle source for determining the redshift. ... When this applet opens you will see an iconic representation of galaxies in the left hand side of the applet and a target area in the right side of the applet. ... Note: What you are doing in this excercise is identical to what Hubble did in the 1920's and you are using the same galaxies. ...

Еще в разделе: (Показать все результаты (>232) - zebu.uoregon.edu/ )

• Redshift Tutorial

... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > I see unexpected boxy emission-like features in my REDL spectra - where do they come from? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... The pipeline by default interpolates across the bad columns in the REDL CCD when it creates the master bias, but does not so when it processes the science data. This inconsistency can create boxy emission-like features as seen in the figure below. ...

Еще в разделе: (Показать все результаты (>6631) - www.eso.org/ )

• ESO - I have a very low S/N spectrum and/or just emission lines, how can I
• Source Classification
• Comments on Individual Sources

Subject, Problems and Objects of Theoretical Astrophysics. ... Stellar Photospheres, Their Features. ... Physics of Continuous Radiation Absorption in Stellar Photospheres. ... Continuous Radiation Absorption in Stellar Photospheres of Various Spectral Classes. Solar Type Photospheres. ... Characterisics of Absorption Lines. ... Interstellar Absorption Lines, Their Features. ... Physical and Dynamic Features of Interstellar Medium, Which Follows from Observations of Interstellar Absorption Lines. ...

Еще в разделе: (Показать все результаты (>47) - space.univ.kiev.ua/ )

• A computer controlled low light photometer for nightglow observations

... With McMath, Robert R.; Mohler, Orren C. Telluric Bands of CH 4 in the Solar Spectrum. 1949 v.109 p.28 . With Mohler, Orren C.; McMath, Robert R. New Solar Lines in the Spectral Region 1.52-1.75 . ... With Mohler, Orren C.; Pierce, A. Keith; McMath, Robert R. New Solar Lines in the Spectral Region 1.97-2.49 . ... With Mohler, Orren C.; Pierce, A. Keith; McMath, Robert R. Table of Infrared Solar Lines, 1.4-2.5 . ... With McMath, Robert R.; Mohler, Orren C.; Pierce, A. Keith . ...

Еще в разделе: (Показать все результаты (>34925) - www.astronet.ru/ )

• Journal "Peremennye Zvezdy"
• GRB970508 Delivers Predicted Radio Emission
• IC 5067: Emission Nebula Close up

... The current response : Problems with energy resolution and re-distribution of N-lines (the shoulder is too narrow) Comet C/2000 WM1 A pure line spectrum with no continuum The current response : Unknown spectrum below 300 eV C VI Ly O VII f 368 eV 561 eV 1E0102 . 2-7219 A new response matrix: Adjustment of energy resolution and re-distribution below ~700 eV FF new 2 = 859 FF old 2 = 1495 1E0102 . 2-7219 A ...

Еще в разделе: (Показать все результаты (>5968) - xmm.vilspa.esa.es/ )

• XMM Simulation of Emission from a Stellar Corona
• A cross-region ARF

We would like to announce the release of Version 2.0 of the CHIANTI database for astrophysical spectroscopy. The additions and corrections to the database have been described in a paper `CHIANTI - an atomic database for emission lines, III - Continuum radiation and extension of the ion database' by E. Landi, M. Landini, K.P. Dere, P.R. Young, H.E. Mason and has been published in Astronomy and Astrophysics Supplement Series, 135, 339 ,1999, (Paper III). ... Beryllium sequence . ... Boron sequence . ...

Еще в разделе: (Показать все результаты (>6174) - www.arcetri.astro.it/ )

• The Arcetri Spectral Code files
• The Arcetri Spectral Code - E.Landi and M.Landini (2002)
• The Arcetri Spectral Code - E.Landi and M.Landini (1998)

Gamma-rays from the GC . M.Chernyakova (DIAS), D.Malyshev (DIAS), F.Aharonian (DIAS, MPIK), R.M.Crocker(MPIK), D.I.Jones(MPIK) 1 10°x10° Count and TS maps (>300 GeV) Gamma-rays from the GC 2 TS maps of the GC at different energies 300 MeV ­ 3GeV 3 GeV ­ 30 GeV 30 GeV ­ 300 GeV Gamma-rays from the GC 3 4 Gamma-rays from the GC Lightcurve 5 Gamma-rays from the GC Source spectrum Model X-ray and low-energy emission come from the central object, probably SMBH accretion disk. ...

Еще в разделе: (Показать все результаты (>228) - hea.iki.rssi.ru/ )

• http://hea.iki.rssi.ru/integral06/papers/D32_Khamitov01-04Oct06_10:26:31.pdf

... Theavailable grating tilts (i.e. spectrum centers) are: Low Dispersion Blue (bandwidth ~ 3250 ) Red (bandwidth ~ 3250 )Hydrogen 4400 7700 Helium 4000 (not 4400 ) 7700 Neon 4400 7700 Argon 4400 7700 Mercury 4400 7700 *High Dispersion Blue (bandwidth ~ 835 ) Red (bandwidth ~ 1100 )Hydrogen Helium 4200 4700 Neon 5100 6000 6800 7600 8400 Argon 4400 7300 8000 8800 9600 Mercury 4000 5600 * * Hg red spectrum dominated by contaminating argon . ... Generate GIF images using: . ... scaling the PICT image . ...

Еще в разделе: (Показать все результаты (>192) - www.apo.nmsu.edu/ )

• UW-WSU Nebular Emission-Line Filters

The spectra of AGN host galaxies contain emission lines excited by radiation from both massive stars and the AGN accretion disk. ... I will present the first 2D maps of the star formation rates across AGN host galaxies without contamination from the AGN, and the first maps of the narrow line region emission without contamination from star formation. ...

Еще в разделе: (Показать все результаты (>438) - www.mso.anu.edu.au/ )

• Data from the Parkes Half Jansky Flat Spectrum Sample (PHFS)
• Philip Lah's Research
• Gemini Near-Infrared Integral-Field Spectrograph (NIFS) Sensitivity.

... Mass ratio of SS433 components is q = M X / MV = 0.2 В 0.3 . ... The spectum corresponds to precessional moment T3, i.e. when the angle between jet axis and the line of sight is equal 60 degrees. 10 -2 10 -3 lg I, phot/cm2/sec/keV 10 -4 10 -5 10 100 lg h, keV Cherepashchuk A.M.,Sunyaev R.A., Fabrika S.N., Postnov K.A. et al./ ... 5 10 100 Tcor = 20keV lg h, keV Mjet = 21020 g / s Lk = 61039 erg / s Angle dependence of SS433 spectrum In the figure the angle dependence for SS433 spectrum is shown. ...

Еще в разделе: (Показать все результаты (>439) - www.iki.rssi.ru/ )

• Proton aurora [Oulu]
• Low latitude aurorae [Oulu)
• An example of correlating VLF emissions and auroral pulsations

The netgear prosafe gsm7328fs is a network switch with: . ... 4 copper 10/100/1000 links (shared with the last 4 SFP ports). cpu running at 666 MHz. ... Luis measured the emissions of the netgear prosafe gsm72398fs switch in the screen room on 17oct12. ... The strongest birdie is around 800 MHz at -78dbm . ... 125 MHz (red dotted line) . ... 330 MHz (green dotted line) . ... 330 comb strongest birdie. ... 330 comb srongest birdie in 327 rcvr. 437.35 . ... 125 MHz comb. strongest element in 1-2 ghz . ...

Еще в разделе: (Показать все результаты (>2494) - www.naic.edu/ )

• netgear gs110t switch
• netgear gs110tp switch
• ivulot softek

... Polish scientists at the Space Research Centre, Polish Academy of Sciences, in Wroclaw, south-west Poland, have constructed an instrument called SphinX (short for Solar PHotometer In X-rays), which is an X-ray spectrophotometer, that will obtain spectra in the energy range 0.5--15 keV in 256 energy channels with frequency of up to 100 times a second. ... SphinX is part of a package of instruments known as TESIS (PI Prof. Sergei Kuzin, Lebedev Institute, Moscow). ... Space Research Centre, . ...

Еще в разделе: (Показать все результаты (>3973) - www.tesis.lebedev.ru/ )

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The top panel shows an image of the Sun in the O VI 1032 line obtained on 1996 June 7 by the SUMER instrument, with the three regions for which O VI 1032 and 1038 line intensities were determined from SUMER spectra labelled as A, B and C. The remaining panels show plots of the measured I(1032)/I(1038) ratios for each region. ... A similar effect can take place between lines of differing optical depth. ...

Еще в разделе: (Показать все результаты (>1294) - star.arm.ac.uk/ )

• Spectrum v1 - Examples
• SPECTRUM v3 - Examples
• Armagh Observatory Preprint No. ???