The IRAM04191 Star Formation Region in Taurus

IRAM04191 and N2H+ References

• IRAM04191
  • Disappearance of N2H+ From the Gas Phase in the Class 0 Protostar IRAM 04191: Belloche & André (2004); A&A 419, L35
  • Molecular Line Study of the Very Young Protostar IRAM 04191 in Taurus: Infall, Rotation, and Outflow: Belloche, André, Despois, & Blinder (2002), A&A, 393, 927
  • Depletion in the Star-Forming Core IRAM04191: Wootten, Mangum, Wiseman, & Fuller (2002), American Astronomical Society, 201st AAS Meeting, #20.07; Bulletin of the American Astronomical Society, Vol. 34, p.1134
  • Discovery of an Extremely Young Accreting Protostar in Taurus: André, Motte, & Bacmann (1999), ApJ 513, L57
  • All IRAM04191 References (via the ADS Abstract Service)

• N2H+
  • Radio-Astronomical Spectroscopy of the Hyperfine Structure of N 2H+: Caselli, Myers, & Thaddeus (1995), ApJ 455, L77
  • Systematic Molecular Differentiation in Starless Cores: Tafalla, Myers, Caselli, Walmsley, & Comito (2002), ApJ 569, 815
  • Molecular Ions in L1544. II. The Ionization Degree: Caselli, Walmsley, Zucconi, Tafalla, Dore, & Myers (2002), ApJ 565, 344 (See Appendix A)
  • Dissociative Recombination of N2H+: Evidence for Fracture of the NN Bond: Geppert, Thomas, Semaniak, Ehlerding, Millar, Österdahl, af Ugglas, Djurić, Paál, Larsson, (2003), ApJ 609, 459
  • All N2H+ References (via the ADS Abstract Service)

• Chemistry
  • Molecular Evolution in Collapsing Prestellar Cores. III. Contraction of a Bonnor-Ebert Sphere: Aikawa, Herbst, Roberts, & Caselli (2005), ApJ 620, 330
  • Molecular Evolution in Collapsing Prestellar Cores. II. The Effect of Grain-Surface Reactions: Aikawa, Ohashi, & Herbst (2003), ApJ 593, 906
  • Dense Cores in Dark Clouds. XI. A Survey for N_2H^+, C_3H_2, and CCS: Benson, Caselli, & Myers (1998), ApJ 506, 743
  • A Survey of CCS, HC3N, HC5N, and NH3 Toward Dark Cloud Cores and their Production Chemistry: Suzuki, Yamamoto, Ohishi, Kaifu, Ishikawa, Hirahara, & Takano (1992), ApJ 392, 551

• CCS
  • CCS Imaging of the Starless Core L1544: An Envelope with Infall and Rotation: Ohashi, Lee, Wilner, & Hayashi (1999), ApJ 518, L41
  • 33.8 GHZ CCS Survey of Molecular Cores in Dark Clouds: Lai & Crutcher (2000), ApJS 128, 271

Project Description: The Star Formation Environment of the IRAM04191 Protostar

Data Analysis Notes and Reports

• 04191 data analysis todo list

• 04191 analysis notes

• 04191 observations report (TeX)

• 04191 observations report (PS)

Some Preliminary Analyses and Results

• N2H+ Integrated Intensity Image: Velocity integrated intensity image of the N2H+ 1-0 emission. The triangle marks the position of the millimeter continuum source.
• N2H+ and NH3(1,1) Integrated Intensity Image Overlay: Velocity integrated intensity image of the N2H+ 1-0 and NH3(1,1) emission.

Data Files (restricted access)