Gas in the Terrestrial Planet Region of Disks: CO Fundamental Emission from T Tauri Stars

By J. Najita, J. Carr, R. Mathieu. 2003

213 citations recorded by the source corpus.

Subfields: Astronomy and Astrophysics, Spectroscopy

View Paper: https://www.semanticscholar.org/paper/3b6f42e668d18dc8dabdd858fecf9d8a7e21dc04

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In Astronomy and Astrophysics

1. S. Andrews
2. D. Wilner
3. G. Herczeg
4. C. Dullemond
5. K. Luhman
6. Jonathan P. Williams
7. N. Calvet
8. L. Hartmann

In Spectroscopy

1. K. Luhman
2. D. Wilner
3. S. Andrews
4. C. Dullemond
5. N. Calvet
6. L. Hartmann
7. A. Hughes
8. Catherine C. Espaillat

Citations in the corpus

• Accretion onto Pre-Main-Sequence Stars (2016, methodology): “In any case, a truncation radius near or inside corotation is consistent with the structure of the inner disk (see the review by Dullemond & Monnier 2010), including the inner radius of CO emission (Najita et al. 2003, Salyk et al. 2011).”
• Few Skewed Disks Found in First Closure-Phase Survey of Herbig Ae/Be Stars (2006, background): “In addition, high spectral resolution CO observations of near-IR fundamental – 20 – and first-overtone lines (Najita et al. 2003; Brittain et al. 2003; Blake & Boogert 2004) require temperature and density modeling of the inner AU of Herbig disks.”
• CRYSTALLINE SILICATES AND DUST PROCESSING IN THE PROTOPLANETARY DISKS OF THE TAURUS YOUNG CLUSTER (2007, background): “15 A few of the outliers—RY Tau, GK Tau, and V836 Tau—have been suggested to have radial gaps on the basis of their infrared CO-line emission (Najita et al. 2003).”
• The photodissociation and chemistry of CO isotopologues: applications to interstellar clouds and circumstellar disks (2009, background): “…tracers of the gas properties, structure and kinematics in a wide variety of astrophysical environments (for recent examples, see Dame et al. 2001; Najita et al. 2003; Wilson et al. 2005; Greve et al. 2005; Leroy et al. 2005; Huggins et al. 2005; Bayet et al. 2006; Oka et al. 2007; Narayanan et…”
• Spectroastrometric Imaging of Molecular Gas within Protoplanetary Disk Gaps (2008, background): “The mere presence of rovibrational CO lines sug- gests that the gas is relatively close to the central star since high temperatures are required to excite them (Najita et al. 2003; Salyk et al. 2007).”
• ISO Spectroscopy of Gas and Dust: From Molecular Clouds to Protoplanetary Disks (2004, background): “Ground-based millimeter CO surveys are hampered by freeze-out in the cold parts of the disk and photodissociation in the upper layers (e.g., Aikawa et al. 2002), whereas infrared CO lines probe only a small fraction of warm gas (e.g., Najita et al. 2003).”
• The Molecular Universe (2011, background): “Chemical inventory of protoplanetary disks Infrared studies have revealed an interesting array of very abundant molecules in the warm gas of protoplanetary disks and hot cores including CH4, H2O, C2H2, HCN, and HNCO (Najita et al. 2003; Lahuis et al. 2007; Knez et al. 2009).”
• Probing T Tauri Accretion and Outflow with 1 Micron Spectroscopy (2006, background): “Near infrared lines of CO and H2O are modeled as arising from inner accretion disks in Keplerian rotation at radii from 0.1 to 2 AU, precisely the region where the rotating jets are predicted to arise (Najita et al. 2003; Carr et al. 2004).”
• H2O and OH Gas in the Terrestrial Planet-forming Zones of Protoplanetary Disks (2008, background): “Because the disks are optically thick and heated from above, the line emission likely arises from the upper disk atmosphere (Najita et al. 2003).”
• A SPITZER SURVEY OF MID-INFRARED MOLECULAR EMISSION FROM PROTOPLANETARY DISKS. I. DETECTION RATES (2010, background): “A comparison of line-to-continuum ratios for CO M-band lines from Najita et al. (2003) and Blake & Boogert (2004) demonstrates lower line-tocontinuum contrast, on average, for Herbig Ae/Be vs.”
• Heating Protoplanetary Disk Atmospheres (2004, background): “The observed strength of the CO fundamental emission from classical T Tauri stars is also found to be correlated with the accretion rate onto the star, suggesting that accretion plays an important role in heating the emitting gas (Najita et al. 2003).”
• The Far-Ultraviolet Spectra of TW Hydrae. II. Models of H2 Fluorescence in a Disk (2004, background): “The temperature derived here is warmer than the ∼ 1100 − 1300 K temperatures seen in the fundamental CO emission by Najita et al. (2003).”
• UNVEILING THE STRUCTURE OF PRE-TRANSITIONAL DISKS (2010, background): “Gas has also been detected within the inner holes of transitional disks (e.g. Najita et al. 2003; Bergin et al. 2004; Salyk et al. 2007).”
• RESOLVED IMAGES OF LARGE CAVITIES IN PROTOPLANETARY TRANSITION DISKS (2011, background): “Also, some of these transition disks emit CO rovibrational spectra that attest to the presence of warm molecular gas in their inner few AU (Najita et al. 2003; Salyk et al. 2007, 2009; Pontoppidan et al. 2008).”
• Large dust particles in disks around T Tauri stars (2005, background): “…in our sample, emission from circumstellar CO gas has been detected, often tracing a disk in Keplerian rotation (Koerner et al. 1993; Dutrey et al. 1994; Koerner & Sargent 1995; Handa et al. 1995; Dutrey et al. 1996; Jensen et al. 1996; Mitchell et al. 1997; Duvert et al. 2000; Najita et al. 2003).”
• Material Enhancement in Protoplanetary Nebulae by Particle Drift through Evaporation Fronts (2004, background): “Some recent astronomical observations seem to show abundant CO in the terrestrial planet regions of vigorously accreting protoplanetary nebulae (Najita et al. 2003).”