2001A&A...376..310R


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.25CET08:15:12

2001A&A...376..310R - Astronomy and Astrophysics, volume 376, 310-315 (2001/9-2)

Photometric and spectroscopic observations of Sycorax, satellite of Uranus.

ROMON J., DE BERGH C., BARUCCI M.A., DORESSOUNDIRAM A., CUBY J.-G., LE BRAS A., DOUTE S. and SCHMITT B.

Abstract (from CDS):

Sycorax is the brightest of the five irregular Uranian satellites recently discovered. These satellites are supposed to be captured bodies. We present visible and near-infrared photometry, as well as near-infrared spectroscopy of Sycorax. The overall shape of the spectrum is quite puzzling: it has a red slope in the visible (such as Centaurs and Transneptunian objects), whereas the reflectivity strongly decreases beyond 1µm and is rather flat over the near-infrared range. We were not able to reproduce the spectral behaviour of Sycorax using simple materials. A rotational effect is suggested to explain the shape of the spectrum. BVRIJ magnitudes have been measured over a period of 1 hour, with five V measurements which do not show any strong variation. So only a strong change in the magnitude between the V measurements and the J measurement (30 min later) could explain the shape of the spectrum, but further investigation is required to conclude.

Abstract Copyright:

Journal keyword(s): planets and satellites: general - planets and satellites: individual: Sycorax

Simbad objects: 2

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Number of rows : 2

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 * 9 Cet BY* 00 22 51.7883318927 -12 12 33.972374893 7.29 7.05 6.39     G2.5V 454 0
2 HD 144585 PM* 16 07 03.3698772530 -14 04 16.670613953 7.22 6.98 6.32     G2V 159 0

    Equat.    Gal    SGal    Ecl

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2020.10.25-08:15:12

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