'Spectral types' presentation slideshows

Magnetic activity on rapidly rotating stars I: Surface flux distributions

Magnetic activity on rapidly rotating stars I: Surface flux distributions. Activity proxies Surface coverage of active regions Polar spots Diffusion and advection of surface magnetic fields Filling factors and flux emergence rates. Andrew Collier Cameron, Moira Jardine,

916 views • 79 slides

Magnetic activity on rapidly rotating stars I: Surface flux distributions

Magnetic activity on rapidly rotating stars I: Surface flux distributions. Activity proxies Surface coverage of active regions Polar spots Diffusion and advection of surface magnetic fields Filling factors and flux emergence rates. Andrew Collier Cameron, Moira Jardine,

917 views • 79 slides

Interplanetary bodies: asteroids asteroid-- rocky object in orbit around the sun includes:

Interplanetary bodies: asteroids asteroid-- rocky object in orbit around the sun includes: Main Belt asteroid Hilda and Thule asteroid near-Earth asteroid (NEA) Trojan asteroid origin: rocky material that never accreted into a larger object; survivors of the planetary sweep-up process.

714 views • 49 slides

Universe Eighth Edition

531 views • 42 slides

AST101 :Lecture 13 Stars

548 views • 39 slides

Photometric Catalog

Photometric Catalog. I-band selected photometric catalog containing ~800,000 galaxies (I (AB) < 26 mag) in 8 bands (UBVgRizK) Star-Galaxy separation using magnitude-surface brightness diagram/Stellarity parameter Astrometry accurate to < 0.05 arcsec Photometry accurate to ~ 0.04 mag.

406 views • 22 slides

Optical spectroscopy of Post-AGB stars

403 views • 21 slides

Mass Measurements of Black Holes in X-Ray Transients: is there a Mass Gap?

324 views • 19 slides

General Astronomy

General Astronomy. Variable Stars. Variable Stars. The observations of differences in the brightness of variable stars, start from the antiquity. In 134 B.C, Iparchus observed the flash of a nova.

436 views • 19 slides

Solar radio spectral irradiance

291 views • 19 slides

Measuring the Stars

Measuring the Stars. Pg. 41. Groups of stars. Long ago, people grouped bright stars and named them after animals, mythological characters or every day objects. Called constellations There are 88 constellations

404 views • 18 slides

Transition Region Heating and Structure in M Dwarfs: from Low Mass to Very Low Mass Stars

Transition Region Heating and Structure in M Dwarfs: from Low Mass to Very Low Mass Stars. Rachel Osten Hubble Fellow University of Maryland/NASA GSFC. In collaboration with: Suzanne Hawley (U. Washington) Chris Johns-Krull (Rice U.)

312 views • 17 slides

Today Only, A New Exhibit: M,L, and T Dwarfs!

Today Only, A New Exhibit: M,L, and T Dwarfs!. Ted Maxwell Indiana University Astronomy A540: Stellar Atmospheres April 1, 2005. Outline. History Characteristics Distributions Current Understanding Future questions/goals. History. Harvard ? Morgan and Keenan (MK)

290 views • 17 slides

Resolved Inner Disks around Herbig Ae/Be Stars: Near-IR Interferometry with PTI

Resolved Inner Disks around Herbig Ae/Be Stars: Near-IR Interferometry with PTI. Josh Eisner Collaborators: Ben Lane, Lynne Hillenbrand, Rachel Akeson, and Anneila Sargent. Eisner et al. 2003, ApJ, 598, 1341 Eisner et al. 2004, ApJ, submitted. Ringberg Castle, 2004. Circumstellar Disks.

271 views • 15 slides

M. R. Zapatero Osorio (LAEFF-INTA, Spain) B. L. Lane (MIT, USA) Ya. Pavlenko (MAO, Ukraine)

254 views • 12 slides

A new luminosity and mass function for low mass stars in the Serpens cloud

A new luminosity and mass function for low mass stars in the Serpens cloud. Alain KLOTZ : C.E.S.R. Toulouse - France Nicolas LODIEU : A.I.P. Postdam - Germany Emmanuel CAUX : C.E.S.R. Toulouse - France Jean-Louis MONIN : L.A.O.G. Grenoble - France.

246 views • 12 slides

Upcoming Events

Upcoming Events. Sign-up for semester Project topics (Now). On-Campus Observing. Stellar Spectral Classification. Tiffany Pewett pewett@chara.gsu.edu. Different Spectral Types. O,B,A,F,G,K,M Larger, hotter ?? smaller, cooler Subtypes:0-9 0 is hottest of type, 9 is coolest Ex: B7 & K4.

216 views • 12 slides

Empirical Links between XRB and AGN Accretion Processes

XRB. Empirical Links between XRB and AGN Accretion Processes. Anca Constantin James Madison Univ. AGN. W/ Paul Green(SAO ) Tom Aldcroft (SAO ) HongYan Zhou(USTChina ) Daryl Haggard ( UWashington ) Scott Anderson(UWashington ) Dong-Woo Kim(SAO )

162 views • 10 slides

IPERCOOL What we have vs what we need - spectroscopy

218 views • 9 slides

Red Giants

Red Giants. What Is It?.

137 views • 3 slides