J/A+A/542/A11 Main-belt asteroids polarimetry. III (Canada-Assandri+, 2012)
Polarimetric survey of main-belt asteroids. III. Results for 33 X-type objects.
Canada-Assandri M., Gil-Hutton R., Benavidez P.
<Astron. Astrophys. 542, A11 (2012)>
=2012A&A...542A..11C 2012A&A...542A..11C
ADC_Keywords: Minor planets ; Polarization
Keywords: minor planets, asteroids: general - techniques: polarimetric
Abstract:
We present results of a polarimetric survey of main-belt asteroids at
Complejo Astronomico El Leoncito (Casleo), San Juan, Argentina. The
aims of this survey are to increase the database of asteroid
polarimetry, to estimate diversity in polarimetric properties of
asteroids that belong to different taxonomic classes, and to search
for objects that exhibit anomalous polarimetric properties.
Description:
Results for the objects observed during the polarimetric survey of
main-belt asteroids. The data were obtained with the Torino and
CASPROF polarimeters at the 2.15m telescope. The Torino polarimeter
is an instrument that allows the simultaneous measurement of
polarization in five different bands, and the CASPROF polarimeter
is a two-hole aperture polarimeter with rapid modulation.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 74 61 Asteroids observed with the FOTOR and CASPROF
polarimeters (33 different asteroids)
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See also:
B/astorb : Orbits of Minor Planets (Bowell+ 2012)
J/A+A/498/313 : Photometry of 3 main belt asteroids (Marciniak+, 2009)
J/A+A/508/1503 : Photometry of 3 main belt asteroids (Marciniak+, 2009)
J/A+A/529/A86 : Main-belt asteroids polarimetric survey I (Gil-Hutton+, 2011)
J/A+A/539/A115 : Main-belt asteroids polarimetric survey II (Gil-Hutton+, 2012)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- Planet Asteroid number
6- 15 A10 --- Name Asteroid name
17- 26 A10 "YYYY-MM-DD" Date Observation date
28 A1 --- Band [VR] Observing band
30- 33 I4 s Tint Total integration time
35- 38 F4.1 deg alpha Phase angle α
40- 44 F5.1 deg PA Position angle of the scattering plane
46- 49 F4.2 % Pol Linear polarization
51- 54 F4.2 % e_Pol Error in linear polarization
56- 60 F5.1 deg PAe Position angle in the equatorial
reference frame
62- 65 F4.1 deg e_PAe Error in position angle in the equatorial
reference frame
67- 71 F5.2 % PolR Reduced linear polarization
73- 74 A2 --- Class [Xeck ] Bus taxonomic classification
(X, Xe, Xc or Xk)
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Acknowledgements:
Marcela Canada Assandri, micanada03(at)casleo.gov.ar
References:
Gil-Huttom & Canada-Assandri, Paper I 2011A&A...529A..86G 2011A&A...529A..86G
Gil-Huttom & Canada-Assandri, Paper II 2012A&A...539A.115G 2012A&A...539A.115G
(End) M. Canada-Assandri [UNSJ, Argentina], P. Vannier [CDS] 19-Apr-2012