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dc.date.accessioned 2010-08-26T15:37:31Z
dc.date.available 2010-08-26T03:00:00Z
dc.date.issued 2001
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/2068
dc.description.abstract We present two-colour CCD imaging of 2060 Chiron obtained between 1996 and 1998 with the 2.15 m telescope at CASLEO (San Juan, Argentina). These post-perihelion observations show that Chiron was then near its historical brightness minima, however a coma was clearly detected. The dynamical state of the coma is studied by means of azimuthally averaged surface brightness profiles, which show the signatures of radiation pressure on the dust grain distribution. Aperture photometry shows an achromatic dimming with an amplitude ≈ 0.09 mag in approximately one hour. If due to rotation of the nucleus, this rather high amplitude is used to derive a new value for the nuclear magnitude, m0 ≈ 6.80 mag. en
dc.language en es
dc.subject cometas es
dc.subject astrofísica es
dc.title Cometary activity in 2060 Chiron at minimum brightness en
dc.type Articulo es
sedici.identifier.uri http://www.fcaglp.unlp.edu.ar/~scellone/Papers/SC01.pdf es
sedici.identifier.other https://doi.org/10.1016/S0032-0633(01)00052-6 es
sedici.identifier.issn 0032-0633 es
sedici.creator.person Silva, Adrián M. es
sedici.creator.person Cellone, Sergio Aldo es
sedici.subject.materias Ciencias Astronómicas es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Astronómicas y Geofísicas es
sedici.subtype Preprint es
sedici.rights.license Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
sedici.description.peerReview peer-review es
sedici2003.identifier ARG-UNLP-ART-0000006367 es
sedici.relation.journalTitle Planetary and Space Science es
sedici.relation.journalVolumeAndIssue vol. 49, no. 13 es


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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)