Results 41 to 50 of about 714,343 (195)

Depletion of Heavy Nitrogen in the Cold Gas of Star-forming Regions [PDF]

, 2018
We investigate nitrogen-isotope fractionation in forming and evolving molecular clouds using gas-ice astrochemical simulations. We find that the bulk gas can become depleted in heavy nitrogen (15N) due to the formation of 15N-enriched ices.
K. Furuya, Y. Aikawa
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

The Massive Star-forming Regions Omnibus X-ray Catalog, Second Installment [PDF]

, 2018
We present the second installment of the Massive Star-forming Regions (MSFRs) Omnibus X-ray Catalog (MOXC2), a compilation of X-ray point sources detected in Chandra/ACIS observations of 16 Galactic MSFRs and surrounding fields.
L. Townsley, P. Broos, G. Garmire, G. Anderson, E. Feigelson, T. Naylor, M. Povich   +6 more
semanticscholar   +1 more source

Disentangling the role of environmental processes in galaxy clusters

, 2012
In this work we present the results of a novel approach devoted to disentangle the role of the environmental processes affecting galaxies in clusters. This is based on the analysis of the NUV-r' distributions of a large sample of star-forming galaxies in
Abazajian, Adelman-McCarthy, Baldry, Bekki, Bekki, Bianchi, Buat, Byrd, den Hartog, Dressler, Evrard, Fujita, Gómez, Hernández-Fernández, Icke, Iglesias-Páramo, J. Iglesias-Páramo, J. M. Vílchez, Jonathan D. Hernández-Fernández, Kaiser, Kauffmann, Leitherer, Mahdavi, Mahdavi, Martin, Mihos, Mo, Moore, Natarajan, Poggianti, Rines, Rines, Salim, Stoughton, Strateva, Strauss, Treu   +36 more
core   +1 more source

The VISTA Orion mini-survey: star formation in the Lynds 1630 North cloud [PDF]

, 2015
The Orion cloud complex presents a variety of star formation mechanisms and properties and it is still one of the most intriguing targets for star formation studies.
Alcalá, J. M., Alves, J. F., Jørgensen, J. K., Lombardi, M., Petr-Gotzens, M. G., Spezzi, L., Stanke, T.   +6 more
core   +4 more sources

Masers in star forming regions

, 2012
Maser emission plays an important role as a tool in star formation studies. It is widely used for deriving kinematics, as well as the physical conditions of different structures, hidden in the dense environment very close to the young stars, for example ...
Anna Bartkiewicz, Bartkiewicz, Bartkiewicz, Breen, Castangia, De Buizer, Fontani, Furuya, Goddi, Huib Jan van Langevelde, Kalenskii, Kalenskii, Lekht, Marseille, Moscadelli, Moscadelli, Moscadelli, Palau, Pandian, Purcell, Surcis, Surcis, Szymczak, Szymczak, Torstensson, Torstensson, Urquhart, Vlemmings, Vlemmings, Voronkov, Wu   +30 more
core   +1 more source

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

Ultraviolet spectra of extreme nearby star-forming regions – approaching a local reference sample for JWST [PDF]

, 2017
NASA through Space Telescope Science Institute [14168]; NASA [NAS 5-26555]; W.M. Keck Foundation; National Science Foundation [AST-1410155]; European Research Council [321323-NEOGAL]; NASA through Hubble Fellowship - Space Telescope Science Institute ...
P. Senchyna, D. Stark, A. Vidal-Garc'ia, J. Chevallard, S. Charlot, R. Mainali, T. Jones, A. Wofford, A. Feltre, Julia Gutkin   +9 more
semanticscholar   +1 more source

Star-Forming Regions near GRB 990123 [PDF]

, 1999
We reduced the Hubble Space Telescope Space Telescope Imaging Spectrograph images of the gamma-ray burst GRB 990123 that were obtained on 8-9 February 1999 and find V_0 = 25.36 +/- 0.10, which corresponds to a flux of 0.258 +/- 0.023 micro-Jy for the ...
Hjorth, Jens, Holland, Stephen
core   +1 more source

Submillimeter spectroscopy of southern hot cores: NGC6334(I) and G327.3-0.6 [PDF]

, 2006
High-mass star-forming regions are known to have a rich molecular spectrum from many species. Some of the very highly excited lines are emitted from very hot and dense gas close to the central object(s).
Bachiller, Beuther, C. Comito, Castets, Churchwell, Comito, Comito, F. Wyrowski, Gibb, Hatchell, K. M. Menten, L.-Å. Nyman, MacDonald, McCutcheon, Müller, Müller, Nummelin, P. Bergman, P. Schilke, Pickett, R. Güsten, S. Thorwirth, Sandell, Schilke, Schilke, Thompson, Thompson, Thorwirth, White   +28 more
core   +3 more sources