Pictorial 1: C/Hyakutake 1996 B2 & C/Hale-Bopp C/1995 O1
نویسندگان
چکیده
منابع مشابه
Gaseous Jets in Comet Hale–bopp (1995 O1)
We report the identification of gas jets in comet Hale–Bopp in OH, NH, CN, C2 and C3. This is the first time OH and NH jets without an obvious optical dust jet counterpart have been identified in narrowband comet images. We also confirm the existence of CN jets as reported by Larson et al. (1997) and Mueller et al. (1998). Jet features can be seen in the March and April 1997 datasets, approxima...
متن کاملFrom Interstellar Dust to Comets: Infrared Emission from Comet Hale-bopp (c/1995 O1)
The 3–20 mm IR thermal emission spectrum of comet Hale-Bopp (C/1995 O1) at a heliocentric distance of AU has been calculated using fluffy aggregates of silicate core–organic refractory mantle interstellar r 5 1.15 h dust as the comet dust model. The principal dust properties, similar to those obtained for other comets, provide good fits to the observation. Our results are significantly differen...
متن کاملPhotometric behavior of comet Hale-Bopp (C/1995 O1) before perihelion.
Narrowband photometric observations of comet Hale-Bopp (C/1995 O1) between 25 July 1995 and 15 February 1997 indicated gas and dust production rates of 20 and 100 times greater, respectively, than observed at the same heliocentric distances for comet P/Halley in 1985. Hale-Bopp produced dust at a rate greater than has been observed for any other comet at any distance since at least 1977. On the...
متن کاملWater Production and Release in Comet C/1995 O1 Hale–Bopp
Water (H2O) was detected in Comet C/1995 O1 Hale–Bopp on 10 dates between UT January 21.8 and May 1.2, 1997, using highresolution infrared spectroscopy. This is the first study of the heliocentric dependence of water released from a comet using direct detection of H2O itself. Production rates and rotational temperatures were measured, and the derived heliocentric dependence for the water produc...
متن کاملIrregular Particles in Comet C/1995 O1 Hale-bopp Inferred from Its Mid-infrared Spectrum
An analysis of the Infrared Space Observatory (ISO) infrared spectra of comet C/1995 O1 Hale-Bopp has been conducted. The particles in the coma are assumed to be irregular aggregates that are built by a diffusionlimited aggregation (DLA) procedure and are composed of olivine, both amorphous and crystalline, and glassy carbon. To simulate the morphological structure of the interstellar dust, the...
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ژورنال
عنوان ژورنال: Journal of Geography (Chigaku Zasshi)
سال: 1997
ISSN: 0022-135X,1884-0884
DOI: 10.5026/jgeography.106.3_plate3