Results 61 to 70 of about 705,440 (315)

Hydrogen Fluoride in High-Mass Star-forming Regions [PDF]

, 2012
Hydrogen fluoride has been established to be an excellent tracer of molecular hydrogen in diffuse clouds. In denser environments, however, the HF abundance has been shown to be approximately two orders of magnitude lower.
Ceccarelli, Cecilia, Emprechtinger, Martin, Lis, Dariusz C., Monje, Raquel R., Neufeld, David, Phillips, Thomas G., van der Tak, Floris F. S., van der Wiel, Matthijs H. D.   +7 more
core   +4 more sources

Galaxy Interactions in Compact Groups II: abundance and kinematic anomalies in HCG 91c [PDF]

, 2015
Galaxies in Hickson Compact Group 91 (HCG 91) were observed with the WiFeS integral field spectrograph as part of our ongoing campaign targeting the ionized gas physics and kinematics inside star forming members of compact groups.
Borthakur, S., Chambers, K. C., Dopita, M. A., Heckman, T. M., Verdes-Montenegro, L., Vogt, F. P. A., Yun, M. S.   +6 more
core   +2 more sources

UVIT Imaging of WLM: Demographics of Star-forming Regions in the Nearby Dwarf Irregular Galaxy [PDF]

Astronomical Journal, 2018
We present a study of star-forming regions and their demographics in the nearby dwarf irregular galaxy WLM using Ultraviolet Imaging Telescope (UVIT) multiband observations in three filters, F148W, N245M, and N263M.
C. Mondal, A. Subramaniam, K. George
semanticscholar   +1 more source

Star-forming Clumps in Local Luminous Infrared Galaxies [PDF]

, 2019
We present HST narrowband near-infrared imaging of Paα and Paβ emission of 48 local luminous infrared galaxies (LIRGs) from the Great Observatories All-Sky LIRG Survey.
Armus, L., Barcos-Muñoz, L., Bonfini, P., Charmandaris, V., Cook, D., Díaz-Santos, T., Evans, A. S., Howell, J., Larson, K. L., Linden, S. T., Medling, A., Murphy, E. J., Oklopčić, A., Privon, G. C., Rich, J., Sanders, D. B., Stierwalt, S., U, V.   +17 more
core   +3 more sources

Seeds Of Life In Space (SOLIS): The Organic Composition Diversity at 300–1000 au Scale in Solar-type Star-forming Regions [PDF]

, 2017
Complex organic molecules have been observed for decades in the interstellar medium. Some of them might be considered as small bricks of the macromolecules at the base of terrestrial life.
C. Ceccarelli, P. Caselli, F. Fontani, R. Neri, A. López-Sepulcre, C. Codella, S. Feng, I. Jímenez-Serra, I. Jímenez-Serra, B. Lefloch, J. Pineda, C. Vastel, C. Vastel, Felipe O. Alves, R. Bachiller, N. Balucani, N. Balucani, N. Balucani, E. Bianchi, E. Bianchi, L. Bizzocchi, S. Bottinelli, S. Bottinelli, E. Caux, E. Caux, A. Chacón-Tanarro, R. Choudhury, A. Coutens, F. Dulieu, C. Favre, C. Favre, P. Hily-Blant, J. Holdship, C. Kahane, A. J. Al-Edhari, A. J. Al-Edhari, J. Laas, J. Ospina, Y. Oya, L. Podio, A. Pon, A. Punanova, D. Quénard, D. Quénard, A. Rimola, N. Sakai, Ian R. Sims, S. Spezzano, V. Taquet, L. Testi, L. Testi, P. Theulé, P. Ugliengo, A. Vasyunin, S. Viti, Laurent Wiesenfeld, S. Yamamoto   +56 more
semanticscholar   +1 more source

Star-Forming Regions in the SMC [PDF]

Proceedings of the International Astronomical Union, 2006
AbstractSMC has been going through an active star formation epoch, especially during the last 0.2 Gyr when the close encounter with the LMC occured. Our goal is to detect regions dominated by early-type stars and gas and examine their behaviour at different wavelengths.
E. Kontizas, D. Kester, N. Mizuno, Uli Klein, M. Kontizas, Yasuo Fukui, P. Tsalmantza, I. Gonidakis, E. Livanou   +8 more
openaire   +2 more sources

Formation of ethylene glycol and other complex organic molecules in star-forming regions [PDF]

, 2016
Context. The detection of complex organic molecules related with prebiotic chemistry in star-forming regions allows us to investigate how the basic building blocks of life are formed. Aims.
V. Rivilla, M. Beltr'an, R. Cesaroni, F. Fontani, C. Codella, Q. Zhang   +5 more
semanticscholar   +1 more source

Ices in star forming regions [PDF]

Symposium - International Astronomical Union, 1997
IR spectra of sources associated with molecular cloud material show a variety of absorption features attributed to simple molecules, such as H2O, CO, CH3OH, CO2, CH4, and OCS in icy grain mantles. These identifications are reviewed. These molecules are formed through accretion and reaction of gas phase species on grain surfaces.
Alexander G. G. M. Tielens, Douglas C. B. Whittet   +1 more
openaire   +2 more sources

The Gaia-ESO Survey: metallicity of the Chamaeleon I star forming region [PDF]

, 2014
Context. Recent metallicity determinations in young open clusters and star-forming regions suggest that the latter may be characterized by a slightly lower metallicity than the Sun and older clusters in the solar vicinity.
Adibekyan, V., Alfaro, E. J., Bensby, T., Bergemann, M., Biazzo, K., Bonito, R., Bragaglia, A., Costado, M. T., Damiani, F., de Laverny, P., Delgado-Mena, E., Flaccomio, E., Franciosini, E., Frasca, A., Gilmore, G., Hernandez, J. I. Gonzalez, Hill, V., Hourihane, A., Jeffries, R. D., Jofre, P., Korn, A. J., Lanzafame, A. C., Lardo, C., Magrini, L., Masseron, T., Montes, D., Morbidelli, L., Palla, F., Pancino, E., Prisinzano, L., Randich, S., Recio-Blanco, A., Sacco, G. G., Smiljanic, R., Sousa, S. G., Spina, L., Tabernero, H., Tautvaisiene, G., Vallenari, A., Worley, C. C.   +39 more
core   +2 more sources

Experimental Studies of Gas-Phase Reactivity in Relation to Complex Organic Molecules in Star-Forming Regions

ACS Earth and Space Chemistry, 2019
The field of astrochemistry concerns the formation and abundance of molecules in the interstellar medium, star-forming regions, exoplanets, and solar system bodies.
I. Cooke, I. Sims
semanticscholar   +1 more source