2010AJ....140.1569C


C.D.S. - SIMBAD4 rel 1.7 - 2020.01.28CET11:22:41

2010AJ....140.1569C - Astron. J., 140, 1569-1578 (2010/December-0)

Cassini UVIS stellar occultation observations of saturn's rings.

COLWELL J.E., ESPOSITO L.W., JEROUSEK R.G., SREMCEVIC M., PETTIS D. and BRADLEY E.T.

Abstract (from CDS):

The Cassini spacecraft's Ultraviolet Imaging Spectrograph (UVIS) includes a high-speed photometer (HSP) that has observed more than 100 stellar occultations by Saturn's rings. Here, we document a standardized technique applied to the UVIS-HSP ring occultation datasets delivered to the Planetary Data System as higher level data products. These observations provide measurements of ring structure that approaches the scale of the largest common ring particles (∼5 m). The combination of multiple occultations at different viewing geometries enables reconstruction of the three-dimensional structure of the rings. This inversion of the occultation data depends on accurate calibration of the data so that occultations of different stars taken at different times and under different viewing conditions can be combined to retrieve ring structure. We provide examples of the structure of the rings as seen from several occultations at different incidence angles to the rings, illustrating changes in the apparent structure with viewing geometry.

Abstract Copyright:

Journal keyword(s): instrumentation: photometers - methods: observational - planets and satellites: rings - space vehicles: instruments

Simbad objects: 54

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Number of rows : 54

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 * gam Peg bC* 00 13 14.1512308 +15 11 00.936759 1.75 2.61 2.84 2.94 3.13 B2IV 659 0
2 * gam Cas Be* 00 56 42.5317 +60 43 00.265 1.18 2.29 2.39 2.32 2.40 B0.5IVpe 1127 2
3 * eps Cas Be* 01 54 23.7261769782 +63 40 12.372216932 2.61 3.22 3.37 3.40 3.52 B3Vp_sh 177 0
4 * ksi02 Cet * 02 28 09.5570589539 +08 27 36.216809306 4.14 4.25 4.30 4.29 4.34 B9III 304 0
5 * lam Cet * 02 59 42.8998715 +08 54 26.489871 4.13 4.58 4.70 4.72 4.70 B6III 89 0
6 * bet Per Al* 03 08 10.1324535 +40 57 20.328013 1.70 2.07 2.12 2.08 2.11 B8V 1139 2
7 * del Per Be* 03 42 55.5042561 +47 47 15.174633 2.38 2.89 3.01 2.99 3.10 B5III 302 0
8 * zet Per V* 03 54 07.9224751 +31 53 01.081262 2.19 2.97 2.85 2.71 2.62 B1Ib 812 0
9 * pi.04 Ori SB* 04 51 12.3647208 +05 36 18.372305 2.700 3.500 3.680 3.74 3.90 B2III 295 0
10 * zet Ori ** 05 40 45.52666 -01 56 33.2649   1.59 1.79     O9.7Ib+B0III 326 0
11 * 126 Tau ** 05 41 17.7176759 +16 32 02.925299 4.1 4.709 4.836     B3IV 155 0
12 * gam Cnc PM* 08 43 17.1481991 +21 28 06.600793   4.670 4.652   4.64 A1IV 104 0
13 * tet Hya SB* 09 14 21.8663945301 +02 18 51.638194950   3.82   3.9   B9.5V+DA1.6 200 0
14 * alf Sex * 10 07 56.2821310191 -00 22 18.023516548   4.45 4.49     A0III 88 0
15 * alf Leo PM* 10 08 22.31099 +11 58 01.9516 0.88 1.24 1.40 1.37 1.47 B8IVn 800 1
16 * bet Hya a2* 11 52 54.52149 -33 54 29.2672 3.85 4.18 4.28 4.27 4.35 kB8hB8HeA0VSi 93 0
17 * del Cen Be* 12 08 21.4976373 -50 43 20.738614 1.51 2.39 2.52 2.48 2.62 B2Vne 293 0
18 * alf Cru SB* 12 26 35.89522 -63 05 56.7343           B0.5IV+B1V 78 0
19 * bet Cru bC* 12 47 43.26877 -59 41 19.5792 0.03 1.02 1.25 1.38 1.64 B1IV 324 0
20 * iot Cen PM* 13 20 35.8173695 -36 42 44.244688 2.77 2.76 2.73 2.68 2.69 kA1.5hA3mA3Va 187 0
21 * alf Vir bC* 13 25 11.57937 -11 09 40.7501 -0.20 0.74 0.97 1.06 1.30 B1V 814 2
22 * eps Cen bC* 13 39 53.25774 -53 27 59.0081 1.16 2.08 2.30 2.45 2.70 B1III 239 0
23 * nu. Cen SB* 13 49 30.2764388 -41 41 15.752069 2.31 3.188 3.386     B2IV 180 0
24 * mu. Cen Be* 13 49 36.9886294 -42 28 25.429594 2.37 3.27 3.43 3.41 3.50 B2Vnpe 411 0
25 * 3 Cen ** 13 51 49.60136 -32 59 38.7067           B5III+B9IV 239 0
26 * zet Cen SB* 13 55 32.38565 -47 17 18.1482 1.42 2.33 2.55 2.69 2.89 B2.5IV 164 0
27 * bet Cen bC* 14 03 49.40535 -60 22 22.9266   0.38 0.60     B1III 338 1
28 * chi Cen bC* 14 06 02.7682446 -41 10 46.678780 3.4 4.155 4.343     B2V 202 1
29 * psi Cen PM* 14 20 33.4322870 -37 53 07.055140 3.91 4.006 4.034 6.13 8.45 A0IV 92 0
30 * alf Lup bC* 14 41 55.7557866 -47 23 17.515486 1.22 2.126 2.286     B1.5III 223 0
31 * b Cen * 14 41 57.5906796 -37 47 36.594024 3.14 3.83 4.00 4.11 4.26 B3V 121 0
32 * bet Lup PM* 14 58 31.92536 -43 08 02.2699 1.59 2.46 2.68 2.78 2.95 B2III 177 0
33 * kap Cen Pu* 14 59 09.6849382 -42 06 15.106919 2.15 2.93 3.13     B2IV 189 1
34 * bet Lib PM* 15 17 00.41382 -09 22 58.4919 2.14 2.51 2.62 2.67 2.76 B8Vn 257 0
35 * del Lup bC* 15 21 22.3252367778 -40 38 51.022228791 2.12 2.995 3.190     B1.5IV 201 0
36 * eps Lup SB* 15 22 40.8682566 -44 41 22.614637 2.46 3.191 3.366     B2IV-V 153 1
37 * gam Lup El* 15 35 08.44835 -41 10 00.3247 1.76 2.586 2.765     B2IV 165 0
38 * eta Lup * 16 00 07.3278558 -38 23 48.151245 2.36 3.19 3.41     B2.5IV 146 0
39 * alf Sco B Em* 16 29 24.20 -26 25 51.0   5.0 5.2     B2.5V 110 0
40 * zet Oph Be* 16 37 09.5390545 -10 34 01.529471 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1716 2
41 * mu. Sco ** 16 51 52.24 -38 02 50.4           ~ 5 0
42 * gam Ara Be* 17 25 23.6593111 -56 22 39.814775 2.25 3.21 3.34     B1Ib 254 0
43 * alf Ara Be* 17 31 50.4915282 -49 52 34.122041 2.09 2.78 2.95 3.05 3.29 B2Vne 243 0
44 * lam Sco bC* 17 33 36.52012 -37 06 13.7648 0.52 1.48 1.62     B2IV+DA7.9 374 1
45 * tet Ara * 18 06 37.8712898 -50 05 29.312523 2.73 3.58 3.66     B2Ib 175 0
46 * mu. Sgr s*b 18 13 45.8088401 -21 03 31.794073 3.60 4.07 3.85 3.58 3.38 B8Iab(e) 333 0
47 * sig Sgr PM* 18 55 15.92650 -26 17 48.2068 1.06 1.923 2.067     B2V 253 0
48 * eps Mic PM* 21 17 56.2839941 -32 10 21.151520   4.771 4.708     A0V 77 0
49 * gam Gru PM* 21 53 55.7261962 -37 21 53.478974 2.52 2.89 3.01 3.06 3.12 B8IV-Vs 125 0
50 * mu. PsA PM* 22 08 23.0147774399 -32 59 18.378259174 4.60 4.55 4.50 4.43 4.38 A1.5IVn 114 0
51 * bet PsA PM* 22 31 30.3303825 -32 20 45.865347 4.32 4.30 4.29 4.27 4.25 A1Va 84 0
52 * eps PsA Be* 22 40 39.3446800341 -27 02 36.967874856 3.69 4.071 4.177     B8Ve 140 0
53 * del Aqr PM* 22 54 39.0114202204 -15 49 14.848081697 3.41 3.33 3.28 3.21 3.17 A3Vp 143 0
54 * alf Peg PM* 23 04 45.65345 +15 12 18.9617 2.38 2.44 2.48 2.47 2.50 B9III 340 0

    Equat.    Gal    SGal    Ecl

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2020.01.28-11:22:41

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