Molecular Surveys of the Disks Encircling T Tauri/Herbig Ae Stars Geoffrey A. Blake CalTech Chemistry as a Diagnostic of Star Formation Waterloo, Canada 23Aug2002
Requires high energy photons, close to star (also seen in solar chromosphere) ... All similar to solar chromosphere, but actually due to extended atmosphere and ...
Classical T Tauri Star (Goodson et al. 1997) ... COUP: X-ray Christmas Tree. COUP (Chandra Orion Ultra-deep Project). Time lapse movie of observations many flares. ...
Critical for understanding disk's structure and dynamics. Tgas determines line emission. ... Optically thick disk (see Kamp & van Zadelhoff for optically thin disks) ...
T Tauri Stars. Can YSO's Effect Your Horoscope? Presenter: Paul Edmon. 12-05-05. Astronomy 4001 ... Time scales to reach the Zero Age Main Sequence (ZAMS) vary ...
... al., 2000, Protostars and Planets IV. Serpens core: Testi ... few-body decay is likely in early stellar evolution. stellar dynamics approximates the evolution ...
... identical position angle and polarized intensity images in the right two ... The polarized intensity image reveals a ridge of highly polarized (~30%) light ...
Winter constellations are up: Orion, Taurus, Gemini, Auriga, ... Mars in Aries. Due North. Big Dipper points to the north pole. West the Autumn Constellations ...
Winter constellations are up: Orion, Taurus, Gemini, Auriga, Canis Major & Minor ... Mars in Aries / Taurus. Due North. Big Dipper points to the north pole ...
UR N Obsah Hist ria Z kladn inform cie Zlo enie Pohyb Prstence Mesiace Zhrnutie Zdroje Hist ria 1690 John Flamsteed 34 Tauri 13. Marec 1781 sir William ...
photosphere chromosphere. Vertical density. structure in a. flaring T Tauri disk ... scaled solar chromosphere IUE data stellar atmosphere model [Kamp ...
T Tauri stars, named after variable star T in Taurus are PMS stars that have ... For every star with mass 10-100 MSun, there are ~10 stars with 2-10 MSun, 50 ...
Collaborators: Alberto Bolatto (UMD), Eric Ford (UFL) ... Taurus Cluster Distance. D=141.5 2.7 -2.8 pc. Loinard et al 2005. Planets are Easy to Detect ...
Dust shell scatters short wavelengths. T Tauri Variables ... Dust shell becomes vaporized. Planet formation halted. Now we see protostar for the first time ...
[ Taurus a few thousand. solar masses; Orion 200,000] Dust 0.1% to 1% of the mass ... These infrared line features are characteristic. of ices and silicates. ...
T Tauri disks in Taurus observed to viscously spread with ~ 10-2 [Hartmann et al. ... Steep profile (r) = 343 (r / 10 AU)-2.17 g cm-2 is not consistent with steady ...
Hydrodynamical simulation of Jovian planet formation in a. disk around a T Tauri star ... irradiation & melting of solids (meteoritics) chemistry & heating ...
IAU Symposium 221, Sydney 2003. Why study multiple T Tauri stars? ... IAU Symposium 221, Sydney 2003. References. Barsony, Koresko, & Matthews 2003, ApJ 591:1064 ...
Typically 10 5 to 10 7 MSun y 1 for. classical T Tauri stars (CTTS) from Ldisc. ... Dynamo generated field anchored in photosphere. Magnetosphere corotates with star. ...
Located at Taurus at 140 pc. Bolometric luminosity of 30 Lsun. Embedded in dense core (1000 AU) ... as circular polarization characteristics of southern source ...
Constraining TW Hydra Disk Properties. Chunhua Qi. Harvard-Smithsonian Center for Astrophysics ... TW Hya disk in scattered light. Closest classical T Tauri ...
Taurus and ? Oph show a large fraction of sources have disks massive enough to form planets ... Characteristics: linewidths are thermal. Very asymmetrical ...
The orbit of the Be-star Gasdisk leads to the eclipse by the ... on the Be binary ? Tauri. First some introduction words. asking for patience. Ernst Pollmann ...
Taurus ~ 30 pc, 140 pc from earth. Orion is ~120 pc, 500 pc from earth. ... Right: Azimuthally averaged extinction profile, 500 AU resolution, with pressure ...
X ray bright points. Solar active regions. G,K & M dwarfs. T Tauri stars. Convective. envelope ... CR: Cosmic ray. PI: Pickup ions. SW: Solar wind. TS: ...
(HST Public Pictures) X-ray binary (SS 433, Courtesy of Amy J. Mioduszewski) Nearby AGN ... UV/X-ray excitation scenarii would not give momentum flux as a T Tauri star ...
A Star is Born How Stars Are Formed Star formation in the Eagle Nebula as seen with the Hubble Space Telescope A tower of cold gas and dust rising from the Eagle ...
Linear spectropolarimetry. Jorick Vink (Armagh Observatory) Linear ... X ray emission. Questions for Star Formation. Do all stars form by disk accretion? ...
... but are warmed by that visible light and so radiate in the IR visible light image IR light image mosaic IR stars in Orion IR star DC303.8-14.2 visible light ...
Title: Star formation - the accretion (luminosity) problem Author: Lee Hartmann Last modified by: Lee Hartmann Created Date: 6/6/1999 2:12:30 PM Document presentation ...
T Tau (binary proto-star with winds) ... Energy Generation at the core of the Sun: ... Supernova Remnant and Neutron Star (Chandra X-ray image, Rosette Nebula) ...
New science enabled by micro-arcsecond astrometry Socorro, July ... Brewster. Washington. North Liberty. Iowa. St. Croix. Virgin Islands. Hancock. New Hampshire ...
A jet-like structure (Jet1 of Fig 5) was detected at northeast side of the binary. ... Fig2 Coronagraph structure. 4. Result. 4.1 Jet from the secondary ...
Winter Constellations List of Winter Constellations in the Northern Hemisphere Auriga Caelum Canis Major Canis Minor Carina Colomba Eridanus Fomax Gemini Horologium ...
Weimarer Klassik Goethe Ankunft in Weimar November 1775 Goethe trifft in Weimar ein zum Geheimen Legationsrat mit Stimme im Ministerrat ernannt geringe ...
Introduction to star formation and the outflow phase. Parsec-Scale Outflows: ... CW Tau and if precession is present HH827 is. also part of this outflow ...
0 Chapter 9 The Formation and Structure of Stars The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the ...
Stellar and extragalactic sources are easily distinguished. X-ray, opt. X-ray, opt. ... Extragalactic source. classifications more. ambiguous owing to. class ...
Fisher et al. (1998) found that active region (AR) non-flare soft X-ray luminosity is LSXR 1.19. ... RHESSI can do MUCH BETTER than my sophomoric approach! ...
Amy Mioduszewski DSOC, NRAO. Luis F. Rodr guez CRyA, UNAM. Andy Boden Caltech ... Rosa M. Torres New Science Enabled by Microarcsecond Astrometry Socorro, ...