... On the left, a Chandra X-ray image of Comet C/1999 S4 (LINEAR) (Lisse et al. 2001) shows X-rays from oxygen and nitrogen ions, which are produced by ions in the solar wind colliding with with gas in the comet. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/reprints/P4-8.pdf -- 171.8 Кб -- 11.03.2003 Похожие документы
... On the left, a Chandra X-ray image of Comet C/1999 S4 (LINEAR) (Lisse et al. 2001) shows X-rays from oxygen and nitrogen ions, which are produced by ions in the solar wind colliding with with gas in the comet. ...
... A positional error of 4km translates to an uncertainty of 1mas at 5.5AU from the earth, so parallax errors are small for all but nearby passing asteroids and comets. ...
... information in the ADS as fast as possible, new indexing and search software was developed to allow updating the index data files within minutes of receipt of time critical information (e.g., IAU Circulars which report on supernova and comet discoveries ...
... The MAJORDOME will also allow certain requests to be processed before the astronomical twilight or dawn (e.g. to search for comets or space debris), or in bad conditions (like partial cloud coverage, non-photometric night.. ...
... information in the ADS as fast as possible, new indexing and search software was developed to allow updating the index data files within minutes of receipt of time critical information (e.g., IAU Circulars which report on supernova and comet discoveries ...
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Ссылки http://www.adass.org/adass/proceedings/adass97/reprints/eichhorng.pdf -- 110.0 Кб -- 14.04.1998 Похожие документы
... Figure 1 (right side) is a sketch of the ( ) diagram based on a CCD image which exhibits an extended source; the tail of comet P/Halley, a rich star field, and various defects and artifacts. ...
... A positional error of 4 km translates to an uncertainty of 1 mas at 5.5 AU from the earth, so parallax errors are small for all but nearby passing asteroids and comets. ...
... comets requires data from all space science disciplines: ground-based and space-based imaging and spectroscopy, in situ measurements of the solar wind (wind speed, density, and magnetic field strength), and in situ measurements from space probes targeted ...