Lars E B Johansson

Publikationer (32)
Projekt (0)

Visar 32 publikationer

2012

Class I methanol masers in low-mass star formation regions

S.V. Kalenskii, V.I. Slysh, Lars E B Johansson et al

Proceedings of the International Astronomical Union. Vol. 8 (5287), p. 161-165

Paper i proceeding

2010

Spectral survey of the star-forming region W51 e1/e2 at 3 mm

S. V. Kalenskii, Lars E B Johansson

Astronomy Reports. Vol. 54 (12), p. 1084-1104

Artikel i vetenskaplig tidskrift

2010

VLA Observations of Class I Methanol Masers in the Region of Low-Mass Star Formation L1157

S. V. Kalenskii, S. Kurtz, V. I. Slysh et al

Astronomy Reports. Vol. 54 (10), p. 932-939

Artikel i vetenskaplig tidskrift

2010

Search for Class I methanol masers in low-mass star formation regions

S. V. Kalenskii, Lars E B Johansson, Per Bergman et al

Monthly Notices of the Royal Astronomical Society. Vol. 405 (1), p. 613-620

Artikel i vetenskaplig tidskrift

2010

Spectral scan of the star-forming region DR21(OH). Observations and LTE analysis

S. V. Kalenskii, Lars E B Johansson

Astronomy Reports. Vol. 54 (4), p. 295-316

Artikel i vetenskaplig tidskrift

2009

Prestellar and protostellar cores in Orion B9

O. Miettinen, J. Harju, L.K. Haikala et al

Astronomy and Astrophysics. Vol. 500, p. 845-860

Artikel i vetenskaplig tidskrift

2008

Star formation around the HII region Sh2-235

M.S. Kirsanova, A.M. Sobolev, Magnus Thomasson et al

Monthly Notices of the Royal Astronomical Society. Vol. 388 (2), p. 729-736

Artikel i vetenskaplig tidskrift

2007

Molecular oxygen in the p Ophiuchi cloud

B. Larsson, René Liseau, L. Pagani et al

Astronomy & Astrophysics. Vol. 466, p. 999-1003

Artikel i vetenskaplig tidskrift

2007

Molecular multi-line and dust continuum studies of high mass star forming regions

I. Zinchenko, P. Caselli, Lars E B Johansson et al

Proceedings of "Millimeter wave astronomy and star formation", ed. I. Zinchenko, Nizhny Novgorod, Russia, August 2007, Inst. of Applied Physics RAS, p. 108-114

Övrigt konferensbidrag

2007

Chemical differentiation in regions of high-mass star formation. CS, dust, and N2H+ in southern sources

L. Pirogov, I. Zinchenko, P. Caselli et al

A&A. Vol. 461, p. 523-535

Artikel i vetenskaplig tidskrift

2007

Methanol masers in star forming sites of the perseus spiral arm

A.M. Sobolev, M.S. Kirsanova, N.V. Pankratova et al

Proceedings of "Millimeter wave astronomy and star formation", ed. I. Zinchenko, Nizhny Novgorod, Russia, August 2007, Inst. of Applied Physics RAS, p. 61-67

Övrigt konferensbidrag

2007

CO and CS in the Magellanic Clouds: a χ2-analysis of multitransitional data based on the MEP radiative transfer model

S. Nikolic', G. Garay, M. Rubio et al

Astronomy & Astrophysics. Vol. 471, p. 561-571

Artikel i vetenskaplig tidskrift

2007

A CO 13CO and C18O survey of cold IRAS sources

N. Troitsky, I. Zinchenko, L. Pirogov et al

Proceedings of "Millimeter wave astronomy and star formation", ed. I. Zinchenko, Nizhny Novgorod, Russia, August 2007, Inst of Applied Physics RAS, p. 68-72

Övrigt konferensbidrag

2006

Rotating elephant trunks*

G.F. Gahm, P. Carlqvist, Lars E B Johansson et al

Astronomy & Astrophysics. Vol. 454, p. 201-212

Artikel i vetenskaplig tidskrift

2006

APEX - The Atacama Pathfinder Experiment

R. Güsten, Roy Booth, C. Cesarsky et al

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6267 I

Paper i proceeding

2006

Molecular Survey of Massive Star Forming Regions Located in Perseus Spiral Arm

M.S. Kirsanova, A.M. Sobolev, Magnus Thomasson et al

Triggered Star Formation in a Turbulent ISM, International Astronomical Union. Symposium no. 237, held 14-18 August, 2006 in Prague, Czech Republic. Vol. S237 (#145)

Övrigt konferensbidrag

2006

Do Large Scale Shocks Trigger Massive Star Formation in Perseus Spiral Arm?

A.M. Sobolev, M.S. Kirsanova, Lars E B Johansson et al

Triggered Star Formation in a Turbulent ISM, International Astronomical Union. Symposium no. 237, held 14-18 August, 2006 in Prague, Czech Republic. Vol. S237 (#214)

Övrigt konferensbidrag

2006

Low-mass star formation in Lynds 1333

Maria Kun, S. Nikolic', Lars E B Johansson et al

M.N.R.A.S.. Vol. 371 (2), p. 732-

Artikel i vetenskaplig tidskrift

2005

Analysis of Spatial Temperature Variations in Regions of Massive Star Formation

S. Malafeev, I. Zinchenko, L. Pirogov et al

Astronomy Letters. Vol. 31, p. 239-244

Artikel i vetenskaplig tidskrift

2005

Physical and chemical structure of dense cores in regions of high mass star formation

I. Zinchenko, L. Pirogov, P. Caselli et al

Proceedings of "Massive Star Birth: A Crossroad of Astrophysics", IAU Symp. 227, May 2005, Italy, Cambridge University Press, eds. R. Cesaroni, M. Felli, E. Churchwell, M. Walmsley, p. 92-97

Paper i proceeding

2004

CO in M51

Gustaf Rydbeck, Magnus Thomasson, Susanne Aalto et al

n Proceedings of "The Neutral ISM in Starburst Galaxies", Marstrand, June 2003, eds. Aalto S., Huettemeister S., Pedlar A., Astronomical Society of the Pacific Conf. Series, San Francisco, p. 152-155

Paper i proceeding

2004

A 4-6 GHz Spectral Scan and 8-10 GHz Observations of the Dark Cloud TMC-1

S.V. Kalenskii, V.I. Slysh, P.F. Goldsmith et al

Astrophys. J.. Vol. 610, p. 329-338

Artikel i vetenskaplig tidskrift

2004

The IC2118 association: New T Tauri stars in high-latitude molecular clouds

M. Kun, T. Prusti, Silvana Nicolic´ et al

Astronomy & Astrophysics. Vol. 418, p. 89-98

Artikel i vetenskaplig tidskrift

2003

Odin water mapping in the Orion KL region

Henrik Olofsson, G. Olofsson, Åke Hjalmarson et al

Astronomy and Astrophysics. Vol. 402 (3), p. L47-L54

Artikel i vetenskaplig tidskrift

2002

Parameters of warm molecular clouds from methyl acetylene observations

A.V. Alakoz, S.V. Kalenskii, V.G. Promislov et al

Astronomy Reports. Vol. 46 (7), p. 551-556

Artikel i vetenskaplig tidskrift

2001

The detection of new methanol masers in the 5-1-40E Line

S.V. Kalenskii, V.I. Slysh, I.E. Val´tts et al

Astronomy Reports. Vol. 45 (1), p. 26-33

Artikel i vetenskaplig tidskrift

2001

Molecular gas conditions in NGC 4945 and the Circinus galaxy

S.J. Curran, Lars E B Johansson, Per Bergman et al

Astronomy and Astrophysics. Vol. 367, p. 457-469

Artikel i vetenskaplig tidskrift

2000

Determination of molecular gas properties using methyl cyanide lines

S.V. Kalenskii, V.G. Promislov, A.V. Alakoz et al

Astronomy Reports. Vol. 44 (11), p. 725-737

Artikel i vetenskaplig tidskrift

2000

Probing the properties of methyl cyanide sources

S.V. Kalenskii, V.G. Promislov, A.V. Alakoz et al

Astronomy & Astrophysics. Vol. 354, p. 1036-1040

Artikel i vetenskaplig tidskrift

1999

Molecular abundance variations in the Magellanic Clouds

Arto Heikkilä, Lars E B Johansson, H. Olofsson

Astronomy and Astrophysics. Vol. 344, p. 817-847

Artikel i vetenskaplig tidskrift

1998

The C18O/C17O ratio in the Large Magellanic Cloud

Arto Heikkilä, Lars E B Johansson, H. Olofsson

Astronomy and Astrophysics. Vol. 332, p. 493-502

Artikel i vetenskaplig tidskrift

1997

Observation of DCO+ in the Large Magellanic Cloud

Arto Heikkilä, Lars E B Johansson, H. Olofsson

Astronomy and Astrophysics. Vol. 319, p. L21-L24

Artikel i vetenskaplig tidskrift

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