Some jets were discovered in quasars where there was no previously known ... Relativistic motion at hundreds kpc distance from the quasar! PKS 1127-145 z=1.187 ...
The GALFA-HI Survey will map the entire Arecibo sky (shown between the red lines ... Magellanic Stream: The HI velocity field of the Magellanic System from the ...
Galactic Airways The worlds first Celestial Cruise Liner! The Orion Nebula The Alpha Centauri Star System Gliese 581 c The Milky Way V4641 Sgr Visit the Wonders of ...
... due to super-massive black holes at the center ... only light-days across Nuclear activity propagates all around within days Size ~ 0.01 pc ~ 10 light-days ...
Galactic Structure Motion of the Stars The gravity of stars in the galaxy causes stars to move. This motion can be separated into two parts: Radial motion is motion ...
Galactic archaeology. Rodrigo Ibata. Observatoire de Strasbourg. age in Gyr. mass fraction ... What was the role of accretion in the formation of the halo, disk, ...
Active Galactic Nuclei : I Keith Arnaud NASA Goddard University of Maryland AGN Overview Spectrum of Mkn 421 Fundamental Questions The importance of X-ray ...
Active Galactic Nuclei 4C15 - High Energy Astrophysics jlc@mssl.ucl.ac.uk http://www.mssl.ucl.ac.uk/ 6. Active Galactic Nuclei (AGN): AGN accretion; Sources of energy ...
Birth of Radio Astronomy & discovery of strong sources = radio galaxies (40-50's) ... Lag ~ 20 days Size ~ 20 light days ~ 0.02 pc. Maggorian Relation (Nuker team) ...
3 sites de production construits dans les r gles de l'art. Standards ... Networking, head-hunters vs annonces. 18. CREATIVITE. Brainstorming par secteur avec : ...
Title: Propagation of Cosmic Rays & Diffuse Galactic Gamma Rays Subject: Propagation of Cosmic Rays in the Galaxy Author: Igor Moskalenko Last modified by
The profile is skewed with an extended red wing due to gravitational redshift, ... Sagittarius A* An unresolved bright continuum at radio wavelengths ...
... of the bulge stars and NGC6528, NGC6553 are coeval. ?J(TO-HB) ... Galactic bulge GCs are virtually coeval and are as old as a halo cluster 47 Tuc (10-14 Gyr) ...
The low frequency Galactic polarisation foreground ... An emission feature? NO! -- the intrinsic ~0 -- only appear at certain Properties of the ring structure ...
Title: The Milky Way Last modified by: mauro giavalisco Created Date: 11/16/2002 4:57:53 PM Document presentation format: On-screen Show Company: University of ...
... Pulsating Cepheid, RR Lyrae Stars Apparent Magnitude (m) vs. T(d) Shape and Constituents of the Galaxy Most of the matter in the Galaxy is not visible ...
Give a general overview of different types of. AGN and some ideas on their unification ... X-ray: NASA/IOA/Fabian et al., Optical: NASA/U.Durham/Smail et al. ...
(c) the Sagittarius arm (~2 kpc towards centre) ASTR112 The Galaxy. Lecture 6 ... Notice the very narrow profile in l ~ 180 . ASTR112 The Galaxy. Lecture 6 ...
Title: Interstellar extinction and polarization at high galactic latitudes Author: Tuorlan Observatorio Last modified by: mez Created Date: 11/21/2005 12:19:45 PM
Secular Evolution of Galactic Disks. James Binney. Oxford University. Evidence for Evolution ... Evidence for Migration. Sun higher Z than local ISM even now ...
Some mesons decayed to electrons which contribute to the soft component. The primary cosmic rays Interactions of cosmic rays Electromagnetic interactions: ...
Seyferts (usually found in spiral galaxies) BL Lacs (normally found in ellipticals) Quasars (nucleus outshines its host galaxy) Quasars ... Jet collimation ...
High Angular Resolution Imaging of the Galactic Center Andrea Ghez University of California Los Angeles Collaborators E. E. Becklin, G. Duchene, S. Hornstein, J. Lu ...
Rot. Transitions of heteronuclear mol.s ... Lifetimes for rot. Excited levels of CO are rel. short. Smaller col. Den. ... Dispersion & rotation measures ...
15.4 Quasars and Other Active Galactic Nuclei Our Goals for Learning What are quasars? What is the power source for quasars and other active galactic nuclei?
... (large lookback times) forming via mergers Sgr dwarf elliptical merging with Milky Way The Local Group -- Andromeda (M31) and Milky Way Artists concept ...
Quasars - finding their mass. The Eddington Limit ... So a measurement of quasar luminosity gives the minimum mass. Measuring a quasar's black hole ...
Connecting Simulations with Observations of the Galactic Center Black Hole Jason Dexter University of Washington With Eric Agol, Chris Fragile and Jon McKinney
Introduction to Extra-galactic Radio Sources & Apparent Superluminal motion ... Features of an Extragalactic Radio source. A) Core ~ mas B) Jets ~ pc-kpc ...
Loop 1 & the Galactic Bulge Emission. The Origin of the Hard Galactic Ridge ... and nature of the extended Galactic Bulge against the confusion of LOOP 1? ...
GALACTIC ASTRONOMY (II): PULSARS. Jon Marcaide. ASI, Castel San Pietro Terme, 18 September 2001 ... on models of Galactic electron density distribution obtained ...
Discovery of the true nature of quasar. Cosmological Distance ... 'Quasar (high L) analogue of Sy2 galaxies' ... Do obscured (type II) quasars exist? ...
First Science Results From: Green Bank Galactic HI Partial-Sky Drift Scan Survey (GBGHIPSDSS) Antonio Portas Kevin Blagrave Daniela Goncalves Jason Boyles
CONVENTIONAL MODEL: the electron and proton spectra locally measured are ... Looking for pevatrons: the emission from a SNR and from a cloud close to the SNR ...
What do we find at the Galactic Centre by studying it at radio ... Precession. RA = RA(2000) (3.075 1.336ysin(RA)tan(Dec)) Dec = Dec(2000) 20.04ycos(RA) ...
... ambient conditions around BH Feeding the monster Stellar dynamics & star formation in Galactic Nuclei Useful laboratory for other ... Presentation Last ...
The tool should have more than one use and be compact enough for an explorer to easily carry. ... Decide what information you want to collect about the planet, ...
Movie. Click to launch. Survey Questions. What are active galactic nuclei (AGN) ... The Milky Way's halo stars are very old and their orbits have random ...
Title: No Slide Title Author: user Last modified by: Whitney Wills Created Date: 1/7/2002 4:06:52 PM Document presentation format: On-screen Show Company