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We present spatially resolved Spitzer Space Telescope imaging of the supergiant shell region of the M81 group dwarf galaxy IC 2574 obtained as part of the Spitzer Infrared Nearby Galaxies Survey. This region harbors one of the best nearby examples of a kinematically distinct H I shell, with an associated remnant stellar cluster; the shell is initiating sequential star formation as it interacts with the surrounding interstellar medium. ...

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• Ultraviolet through Far-Infrared Spatially Resolved Analysis of the Recent Star
• Spatially Resolved Ultraviolet, HЮБ, Infrared, and Radio Star Formation in M81
• LABOCA observations of giant molecular clouds in the southwest region of the

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• The Galaxy Gallery: Messier Objects
• Fabry-Perot Images of Galaxies
• The Galaxy Gallery Page 6: Comparative Morphology

Star Formation in HI-Selected Galaxies Jessica Rosenber George Mason University AKARI Arecibo Today s Technology Spitzer The Next Generation SKA ALMA JWST Herschel Questions to address by studying SF in HIselected galaxies · What is the best way to measure SF in galaxies that, in some cases, may be metal poor · What is the SF rate density in the local universe? ... How does SF efficiency vary with galaxy mass? ... ADBS Not a star an ultra compact star forming dwarf galaxy! ...

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• REU Science Area
• AGES - the Arecibo Galaxy Environment Survey
• Arecibo Galaxy Environment Survey (AGES)

... Absorption by neutral atomic hydrogen in luminous spiral galaxies provides an excellent tool to study the gas kinematics in their nuclear regions. ... Since the absorption lines are intrinsically narrow as a result of the low temperatures of the optically thick gas, typically 30 to 150 K (Dickey, Salpeter & Terzian 1979), it is surprising that numerous galaxies show H I absorption over a broad range of velocities (a few hundred kms -1 ); see e.g., Fig. ... range . ... NGC 253 . ... NGC 660 . ...

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• Fast Rotation in the Nuclear Region of the Galaxy NGC 1808
• The Peculiar Spiral Galaxy NGC 1808
• The Circinus Galaxy

... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Planetary Nebulae and HII regions in the Elliptical Galaxy NGC 5128 . ... NGC 5128 is the closest example of a giant early type (elliptical or S0) galaxy. Although often dubbed as a peculiar elliptical galaxy since it has a dust lane with recent star formation and an active galactic nucleus, the majority of early type galaxies have similar structures as revealed by recent surveys. ...

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• ESO - Thesis Topic: Probing the central regions of galaxies
• The Browne & March? Effect
• ESO - Research Area: STELLAR POPULATIONS

... Massive stars, having 10-150 masses of the Sun, with metallicities Z tens to hundreds times less than that of the Sun (Zo), are the main regulators of the galaxy formation and evolution processes in the early Universe. ... In this galaxy, using the 6 m BTA telescope, a new massive blue variable star with high luminosity (>=10 5 Sun's luminocities in visible light) was found. As far as its properties are concerned, this star falls into an LBV (Luminous Blue Variable) class of stars. ...

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• Galaxy sector, archive 1997
• A unique isolated dwarf spheroidal galaxy KKR25
• Measurement of the dark halo shape in polar ring galaxies

Next: Selection effects Up: Emission-line galaxies Previous: Emission-line galaxies . ... O III ] ? ... In Fig. 4 emission-line galaxies from the HSS sample are plotted in comparison with some BCGs from the SBS (Izotov et al. [ 1994 ], [ 1997b ]; Thuan et al. [ 1995 ]) and ELGs from the Case survey (Weistrop & Downes [ 1988 ], [ 1991 ]; Augarde et al. ... We tentatively classify it as a possible LINER (low-ionization nuclear emission-line region galaxies; Heckman [ 1980 ]). ... emission lines. ...

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• II. MPDG - Some preliminary results
• Emission-line galaxies
• HyperLEDA documentation: parameter: vdis

Our understanding of star formation in galaxies is facilitated by observations, at multiple wavelengths, of emission which traces stellar populations. ... Using optical integral field spectroscopy, my work aims to better understand the local SFR calibrations, which use H-alpha and radio continuum emission, when applied to different regions of a galaxy, as well as to galaxies as a whole. ...

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• David Nicholls: CV and publications
• Gemini Near-Infrared Integral-Field Spectrograph (NIFS) Spectrograph.
• talks

... The Star Clusters of NGC 1313 . ... Like grains of sand on a cosmic beach, individual stars of barred spiral galaxy NGC 1313 are resolved in this sharp composite from the Hubble Space Telescope's Advanced Camera for Surveys (ACS). ... This wide, sharp telescopic view reveals galaxies scattered beyond the stars at the northern boundary of the high-flying constellation Pegasus. ... The sharpest image ever of Betelgeuse shows a mammoth star that is slowly evaporating. ... T Tauri: A Star is Formed . ...

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• The Center of the Circinus Galaxy in X Rays
• Астронет > The Center of the Circinus Galaxy in X Rays
• Star Forming Region Hubble X

... The Center of the Circinus Galaxy in X-Rays . ... Explanation: Are black holes the cause of X-rays that pour out from the center of the Circinus galaxy ? A new high-resolution image from the orbiting Chandra X-ray Observatory has resolved the inner regions of this nearby galaxy into several smaller sources. ... Extended X-ray emission from the center appears to match optical light and appears consistent with a model where hot gas is escaping from a supermassive black hole at Circinus' center . ...

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• APOD: July 13, 1996 - M81: A Bulging Spiral Galaxy
• APOD: 2001 February 16 - Star Forming Region Hubble X
• APOD: 2007 January 26 - The Star Clusters of NGC 1313

... 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 . ...