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HD 58853


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Characterization of Dusty Debris Disks: The IRAS and Hipparcos Catalogs
Dusty debris disks around main-sequence stars are signposts for theexistence of planetesimals and exoplanets. From cross-correlatingHipparcos stars with the IRAS catalogs, we identify 146 stars within 120pc of Earth that show excess emission at 60 μm. This search tookspecial precautions to avoid false positives. Our sample is reasonablywell distributed from late B to early K-type stars, but it contains veryfew later type stars. Even though IRAS flew more than 20 years ago andmany astronomers have cross-correlated its catalogs with stellarcatalogs, we were still able to newly identify debris disks at as manyas 33 main-sequence stars; of these, 32 are within 100 pc of Earth. Thepower of an all-sky survey satellite like IRAS is evident when comparingour 33 new debris disks with the total of only 22 dusty debris diskstars first detected with the more sensitive, but pointed, satelliteISO. Our investigation focuses on the mass, dimensions, and evolution ofdusty debris disks.

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Observation and Astrometry data

Constellation:とびうお座
Right ascension:07h22m55.16s
Declination:-64°37'57.1"
Apparent magnitude:9.072
Proper motion RA:18.5
Proper motion Dec:-83.4
B-T magnitude:9.633
V-T magnitude:9.119

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 58853
TYCHO-2 2000TYC 8917-634-1
USNO-A2.0USNO-A2 0225-03531123
HIPHIP 35789

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