2008ApJ...677L.121S

Query : 2008ApJ...677L.121S

2008ApJ...677L.121S - Astrophys. J., 677, L121-L124 (2008/April-3)

Cometary activity at 25.7 AU: Hale-Bopp 11 years after perihelion.

SZABO G.M., KISS L.L. and SARNECZKY K.

Abstract (from CDS):

Eleven years after its perihelion, comet C/1995 O1 (Hale-Bopp) is still active. Between 2007 October 20 and 22, we detected a diffuse coma of 180 x103 km in diameter with a slight elongation toward the north-south direction. The integrated brightness was 20.04 mag in RC, implying Afρ=300 m and albedoxdust surface aRC=4300 km2. The coma was relatively red at V-R=0.66 mag, which is consistent with that of the dust in other comets. The observed properties and the overall fading in brightness between 10 and 26 AU follow the predicted behavior of CO-driven activity. This is the most distant cometary activity ever observed.

Abstract Copyright: ∼

Journal keyword(s): Comets: General - comets: individual (Hale-Bopp)

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SA 98- reg 06 52 04.1 -00 23 58           ~ 179 0

Query : 2008ApJ...677L.121S

Basic data :
SA 98- -- Region defined in the Sky
Other object types: otypes_help 		reg (), * (SA)
ICRS coord. (ep=J2000) : 		06 52 04.1 -00 23 58 [ ] D ~
FK4 coord. (ep=B1950 eq=1950) : 		06 49 30.8 -00 20 18 [ ]
Gal coord. (ep=J2000) : 		213.3593 -00.0419 [ ]
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Identifiers (1) :
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SA 98-

References (179 between 1850 and 2026) (Total 179)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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