Quick search Find article
Quick search
Find article

Molecular Ions in L1544. II. The Ionization Degree

FREE

P. Caselli1, C. M. Walmsley1, A. Zucconi1, M. Tafalla2, L. Dore3 and P. C. Myers4

Show affiliations


[1]

Initial Conditions for Star Formation in Clusters: Physical and Kinematical Structure of the Starless Core Oph A-N6

Tyler L. Bourke et al.  The Astrophysical Journal 2012  745 117
IOPscience 
[2]

The Galactic Census of High- and Medium-mass Protostars. I. Catalogs and First Results from Mopra HCO+ Maps

Peter J. Barnes et al.  The Astrophysical Journal Supplement Series 2011  196 12
IOPscience 
[3]

Deuterium Fractionation as an Evolutionary Probe in Massive Protostellar/Cluster Cores

Huei-Ru Chen et al.  The Astrophysical Journal 2011  743 196
IOPscience 
[4]

Ion and Neutral Molecules in the W43-MM1(G30.79 FIR 10) Infalling Clump

Paulo C. Cortes  The Astrophysical Journal 2011  743 194
IOPscience 
[5]

Internal Motions in Starless Dense Cores

Chang Won Lee and Philip C. Myers  The Astrophysical Journal 2011  734 60
IOPscience 
[6]

The Initial Conditions of Clustered Star Formation. III. The Deuterium Fractionation of the Ophiuchus B2 Core

R. K. Friesen et al.  The Astrophysical Journal 2010  718 666
IOPscience 
[7]

Dense Gas Tracers in Perseus: Relating the N2H+, NH3, and Dust Continuum Properties of Pre- and Protostellar Cores

Doug Johnstone et al.  The Astrophysical Journal 2010  711 655
IOPscience 
[8]

The Initial Conditions of Clustered Star Formation. II. N2H+ Observations of the Ophiuchus B Core

R. K. Friesen et al.  The Astrophysical Journal 2010  708 1002
IOPscience 
[9]

The Spitzer c2d Survey of Nearby Dense Cores. VII. Chemistry and Dynamics in L43

Jo-Hsin Chen et al.  The Astrophysical Journal 2009  705 1160
IOPscience 
[10]

Submillimeter Observations of the Quiescent Core—Ophiuchus A-N6

A. Pon et al.  The Astrophysical Journal 2009  698 1914
IOPscience 
[11]

A Survey of C4H, C6H, and C6H– With the Green Bank Telescope

H. Gupta et al.  The Astrophysical Journal 2009  691 1494
IOPscience 
[12]

The Different Structures of the Two Classes of Starless Cores

Eric Keto and Paola Caselli  The Astrophysical Journal 2008  683 238
IOPscience 
[13]

A Molecular Line Observation toward Massive Clumps Associated with Infrared Dark Clouds

Takeshi Sakai et al.  The Astrophysical Journal 2008  678 1049
IOPscience 
[14]

TMC-1C: An Accreting Starless Core

S. Schnee et al.  The Astrophysical Journal 2007  671 1839
IOPscience 
[15]

The Excitation of N2H+ in Interstellar Molecular Clouds. II. Observations

F. Daniel et al.  The Astrophysical Journal 2007  667 980
IOPscience 
[16]

The Ionization Fraction of Barnard 68: Implications for Star and Planet Formation

Sébastien Maret and Edwin A. Bergin  The Astrophysical Journal 2007  664 956
IOPscience 
[17]

Physical and Chemical Properties of Massive Clumps in the AFGL 333 Cloud

Takeshi Sakai et al.  The Astrophysical Journal 2007  662 1043
IOPscience 
[18]

The Heavy-Ion Approximation for Ambipolar Diffusion Calculations for Weakly Ionized Plasmas

Pak Shing Li et al.  The Astrophysical Journal 2006  653 1280
IOPscience 
[19]

Oscillations of Starless Cores

Eric Keto et al.  The Astrophysical Journal 2006  652 1366
IOPscience 
[20]

Dense Cores with Multiple Protostars: The Velocity Fields of L1448 IRS 3, NGC 1333 IRAS 2, and NGC 1333 IRAS 4

N. H. Volgenau et al.  The Astrophysical Journal 2006  651 301
IOPscience 
[21]

Molecular Line Observations of Carbon-Chain-rich Core L492

Tomoya Hirota and Satoshi Yamamoto  The Astrophysical Journal 2006  646 258
IOPscience 
[22]

The Distribution of Ortho-H2D+(11,0-11,1) in L1544: Tracing the Deuteration Factory in Prestellar Cores

C. Vastel et al.  The Astrophysical Journal 2006  645 1198
IOPscience 
[23]

Caught in the Act: The Onset of Massive Star Formation

H. Beuther et al  The Astrophysical Journal Letters 2005  634 L185
IOPscience 
[24]

Dark Cloud Cores and Gravitational Decoupling from Turbulent Flows

Eric Keto and George Field  The Astrophysical Journal 2005  635 1151
IOPscience 
[25]

Modeling the Physical Structure of the Low-Density Pre-Protostellar Core Lynds 1498

Yancy L. Shirley et al.  The Astrophysical Journal 2005  632 982
IOPscience 
[26]

Molecular Evolution in Collapsing Prestellar Cores. III. Contraction of a Bonnor-Ebert Sphere

Yuri Aikawa et al.  The Astrophysical Journal 2005  620 330
IOPscience 
[27]

Probing the Evolutionary Status of Starless Cores through N2H+ and N2D+ Observations

A. Crapsi et al.  The Astrophysical Journal 2005  619 379
IOPscience 
[28]

Detection of H2D+: Measuring the Midplane Degree of Ionization in the Disks of DM Tauri and TW Hydrae

C. Ceccarelli et al  The Astrophysical Journal Letters 2004  607 L51
IOPscience 
[29]

Evolution of Chemistry and Molecular Line Profiles during Protostellar Collapse

Jeong-Eun Lee et al.  The Astrophysical Journal 2004  617 360
IOPscience 
[30]

The Circumstellar Environment of the Early B Protostar G192.16-3.84 and the Discovery of a Low-Mass, Protostellar Core

D. S. Shepherd et al.  The Astrophysical Journal 2004  614 211
IOPscience 
[31]

Electron Abundance in Protostellar Cores

Paolo Padoan et al.  The Astrophysical Journal 2004  614 203
IOPscience 
[32]

Radiative Transfer and Starless Cores

Eric Keto et al.  The Astrophysical Journal 2004  613 355
IOPscience 
[33]

Dissociative Recombination of N2H+: Evidence for Fracture of the N-N Bond

W. D. Geppert et al.  The Astrophysical Journal 2004  609 459
IOPscience 
[34]

Probing the Early Stages of Low-Mass Star Formation in LDN 1689N: Dust and Water in IRAS 16293–2422A, B, and E

Ronald Stark et al.  The Astrophysical Journal 2004  608 341
IOPscience 
[35]

N2H+ Observations of Molecular Cloud Cores in Taurus

Ken'ichi Tatematsu et al.  The Astrophysical Journal 2004  606 333
IOPscience 
[36]

Enhanced Deuterium Fractionation in Dense Interstellar Cores Resulting from Multiply Deuterated H3+

Helen Roberts et al  The Astrophysical Journal Letters 2003  591 L41
IOPscience 
[37]

CO Depletion and Deuterium Fractionation in Prestellar Cores

A. Bacmann et al  The Astrophysical Journal Letters 2003  585 L55
IOPscience 
[38]

Continuum and CO/HCO+ Emission from the Disk Around the T Tauri Star LkCa 15

Chunhua Qi et al.  The Astrophysical Journal 2003  597 986
IOPscience 
[39]

Mapping Observations of DNC and HN13C in Dark Cloud Cores

Tomoya Hirota et al.  The Astrophysical Journal 2003  594 859
IOPscience 
[40]

Molecular Evolution in Collapsing Prestellar Cores. II. The Effect of Grain-Surface Reactions

Yuri Aikawa et al.  The Astrophysical Journal 2003  593 906
IOPscience 
[41]

A Coupled Dynamical and Chemical Model of Starless Cores of Magnetized Molecular Clouds. II. Chemical Differentiation

V. I. Shematovich et al.  The Astrophysical Journal 2003  588 894
IOPscience 
[42]

H I Narrow Self-Absorption in Dark Clouds

D. Li and P. F. Goldsmith  The Astrophysical Journal 2003  585 823
IOPscience 
[43]

Chemistry and Dynamics in Pre-protostellar Cores

Jeong-Eun Lee et al.  The Astrophysical Journal 2003  583 789
IOPscience 
[44]

N2H+ and C18O Depletion in a Cold Dark Cloud

Edwin A. Bergin et al  The Astrophysical Journal Letters 2002  570 L101
IOPscience 
[45]

Fragmentation of Magnetically Subcritical Clouds into Multiple Supercritical Cores and the Formation of Small Stellar Groups

Zhi-Yun Li and Fumitaka Nakamura  The Astrophysical Journal 2002  578 256
IOPscience 
[46]

Star Formation from Galaxies to Globules

Bruce G. Elmegreen  The Astrophysical Journal 2002  577 206
IOPscience 
[47]

Dense Cores in Dark Clouds. XIV. N2H+ (1-0) Maps of Dense Cloud Cores

Paola Caselli et al.  The Astrophysical Journal 2002  572 238
IOPscience 
[48]

Enhancement of Ambipolar Diffusion Rates through Field Fluctuations

Marco Fatuzzo and Fred C. Adams  The Astrophysical Journal 2002  570 210
IOPscience 
[49]

Systematic Molecular Differentiation in Starless Cores

M. Tafalla et al.  The Astrophysical Journal 2002  569 815
IOPscience 
[50]

A Coupled Dynamical and Chemical Model of Starless Cores of Magnetized Molecular Clouds. I. Formulation and Initial Results

Zhi-Yun Li et al.  The Astrophysical Journal 2002  569 792
IOPscience 
[51]

The Role of Outflows and C Shocks in the Strong Deuteration of L1689N

D. C. Lis et al.  The Astrophysical Journal 2002  569 322
IOPscience 
[52]

Molecular Ions in L1544. I. Kinematics

P. Caselli et al.  The Astrophysical Journal 2002  565 331
IOPscience 
crossref member

View by subject




Export








Please login to access our web services, or create an account if you don't yet have one.

You must have cookies enabled in your web browser to be able to login.

Username
Password

Forgotten your password? Get a new one here.