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Autor:
Devine, K. E., Chandler, C. J., Brogan, C., Churchwell, E., Indebetouw, R., Shirley, Y., Borg, K. J.
We present Very Large Array observations of ammonia (NH3) (1,1), (2,2), and CCS (2_1-1_0) emission toward the Infrared Dark Cloud (IRDC) G19.30+0.07 at ~22GHz. The NH3 emission closely follows the 8 micron extinction. The NH3 (1,1) and (2,2) lines pr
Externí odkaz:
http://arxiv.org/abs/1103.0328
Autor:
Uzpen, B., Kobulnicky, H. A., Monson, A. J., Pierce, M. J., Clemens, D. P., Backman, D. E., Meade, M. R., Babler, B. L., Indebetouw, R., Whitney, B. A., Watson, C., Wolfire, M. G., Benjamin, R. A., Bracker, S., Bania, T. M., Cohen, M., Cyganowski, C. J., Devine, K. E., Heitsch, F., Jackson, J. M., Mathis, J. S., Mercer, E. P., Povich, M. S., Rho, J., Robitaille, T. P., Sewilo, M., Stolovy, S. R., Watson, D. F., Wolff, M. J., Churchwell, E.
Publikováno v:
Astrophys.J.658:1264-1288,2007
We have identified 230 Tycho-2 Spectral Catalog stars that exhibit 8 micron mid-infrared extraphotospheric excesses in the MidCourse Space Experiment (MSX) and Spitzer Space Telescope Galactic Legacy MidPlane Survey Extraordinaire (GLIMPSE) surveys.
Externí odkaz:
http://arxiv.org/abs/astro-ph/0612235
Autor:
Uzpen, B., Kobulnicky, H. A., Olsen, K. A. G., Clemens, D. P., Laurance, T. L., Meade, M. R., Babler, B. L., Indebetouw, R., Whitney, B. A., Watson, C., Wolfire, M. G., Wolff, M. J., Benjamin, R. A., Bania, T. M., Cohen, M., Devine, K. E., Dickey, J. M., Heitsch, F., Jackson, J. M., Marston, A. P., Mathis, J. S., Mercer, E. P., Stauffer, J. R., Stolovy, S. R., Backman, D. E., Churchwell, E.
Publikováno v:
Astrophys.J. 629 (2005) 512-525
Spitzer IRAC 3.6-8 micron photometry obtained as part of the GLIMPSE survey has revealed mid-infrared excesses for 33 field stars with known spectral types in a 1.2 sq. degree field centered on the southern Galactic HII region RCW49. These stars comp
Externí odkaz:
http://arxiv.org/abs/astro-ph/0504447
Autor:
Kobulnicky, Chip, Monson, A. J., Buckalew, B. A, Darnel, J. M., Uzpen, B., Whitney, B. A., Indebetouw, R., Babler, B. L., Meade, M. R., Watson, C., Churchwell, E., Wolff, M. J., Wolfire, M. G., Clemens, D. P., Shah, R., Bania, T. M., Benjamin, R. A., Cohen, M., Devine, K. E., Dickey, J. M., Heitsch, F., Jackson, J. M., Marston, A. P., Mathis, J. S., Mercer, E. P., Stauffer, J. R., Stolovy, S. R., Norris, J. P., Kutyrev, A., Canterna, R., Pierce, M. J.
Publikováno v:
Astron.J. 129 (2005) 239-250
Spitzer Space Telescope imaging as part of the Galactic Legacy Mid-Plane Survey Extraordinaire (GLIMPSE) reveals a previously unidentified low-latitude rich star cluster near l=31.3 degrees, b=-0.1 degrees. Near-infrared JHK' photometry from the Wyom
Externí odkaz:
http://arxiv.org/abs/astro-ph/0410400
Autor:
Whitney, B. A., Indebetouw, R., Babler, B. L., Meade, M. R., Watson, C., Wolff, M. J., Wolfire, M. G., Clemens, D. P., Bania, T. M., Benjamin, R. A., Cohen, M., Devine, K. E., Dickey, J. M., Heitsch, F., Jackson, J. M., Kobulnicky, H. A., Marston, A. P., Mathis, J. S., Mercer, E. P., Stauffer, J. R., Stolovy, S. R., Churchwell, E.
Publikováno v:
Astrophys.J.Suppl. 154 (2004) 315-321
GLIMPSE imaging using the Infrared Array Camera (IRAC) on the Spitzer Space Telescope indicates that star formation is ongoing in the RCW 49 giant H II region. A photometric comparison of the sources in RCW 49 to a similar area to its north finds tha
Externí odkaz:
http://arxiv.org/abs/astro-ph/0406100
Publikováno v:
Astrophys.J. 606 (2004) 1167-1173
We report here the discovery of a significant source of systematic error in the rotation measure determinations of pulsars. Conventional analysis of high sensitivity polarimetric observations of PSR B2016+28 display variation of the rotation measure
Externí odkaz:
http://arxiv.org/abs/astro-ph/0401534
Autor:
Stanimirovic, S., Weisberg, J. M., Hedden, A., Devine, K. E., Green, J. T., Berkeley;, UC, College, Carleton
We report on preliminary results from the recent multi-epoch neutral hydrogen absorption measurements toward three pulsars, B0823+26, B1133+16 and B2016+28, using the Arecibo telescope. We do not find significant variations in optical depth profiles
Externí odkaz:
http://arxiv.org/abs/astro-ph/0310238
Autor:
Brogan, C. L., Devine, K. E., Lazio, T. J., Kassim, N. E., Tam, C. R., Brisken, W. F., Dyer, K. K., Roberts, M. S. E.
We have imaged a 1 deg^2 field centered on the known Galactic supernova remnant (SNR) G11.2-0.3 at 74, 330, and 1465 MHz with the Very Large Array radio telescope (VLA) and 235 MHz with the Giant Metrewave Radio Telescope (GMRT). The 235, 330, and 14
Externí odkaz:
http://arxiv.org/abs/astro-ph/0310109
We have measured Faraday Rotation Measures (RMs) at Arecibo Observatory for 36 pulsars, 17 of them new. We combine these and earlier measurements to study the galactic magnetic field and its possible temporal variations. Many RM values have changed s
Externí odkaz:
http://arxiv.org/abs/astro-ph/0310073