Large-scale dust jets in the coma of 67P/Churyumov-Gerasimenko as seen by the OSIRIS instrument onboard Rosetta

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Volume 583 (November 2015)

A&A, 583 (2015) A9

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Rosetta mission results pre-perihelion

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Table 1

Observations log.


Date	UT	r_h (AU)	d (km)	(m/pix)	α₁ (°)	α₂ (°)	α₃ (°)	α₄ (°)

2014-07-20	20:39	3.69	5473	568	108
2014-07-20	21:27	3.69	5450	565	107
2014-07-20	22:15	3.69	5426	563	110
2014-07-20	23:02	3.69	5403	561	118
2014-07-20	23:50	3.69	5380	559	109
2014-07-21	00:38	3.69	5357	556	90
2014-07-21	01:25	3.69	5334	553	62
2014-07-21	02:13	3.69	5311	551	68
2014-07-21	03:48	3.69	5265	546	137
2014-07-21	05:24	3.69	5218	541	140
2014-07-21	06:59	3.69	5172	537	134
2014-07-21	08:34	3.69	5126	532	98


2014-07-25	20:50	3.65	2836	286	117	150
2014-07-25	23:25	3.65	2804	283	160	194–220
2014-07-26	00:04	3.65	2795	282	156
2014-07-26	00:43	3.65	2787	281	161
2014-07-26	01:22	3.65	2780	281	156
2014-07-26	02:00	3.65	2771	280	195
2014-07-26	02:39	3.65	2763	279	192
2014-07-26	03:18	3.65	2755	278	87^a	186
2014-07-26	03:57	3.65	2748	278	95^a	182^a
2014-07-26	04:35	3.65	2739	277	147^a	222^a	351
2014-07-26	05:14	3.65	2731	276	158	221^a
2014-07-26	05:53	3.65	2723	275	146	235	338
2014-07-26	06:32	3.65	2715	274	238	339


2014-08-02	00:24	3.62	716	72	320	337	345
2014-08-02	01:24	3.62	704	71	5	329
2014-08-02	02:24	3.62	692	70	316	318
2014-08-02	03:24	3.62	680	69	319
2014-08-02	06:32	3.62	643	65	313–342
2014-08-02	08:24	3.62	621	63	19	37
2014-08-02	09:24	3.62	609	62	13	32	52
2014-08-02	11:24	3.62	585	59	304	320	350
2014-08-02	12:24	3.62	574	58	318	323	338
2014-08-02	13:24	3.62	562	57	0	14	331	344
2014-08-02	14:24	3.62	550	56	316	342
2014-08-02	15:24	3.62	539	54	321
2014-08-02	16:24	3.62	527	53	328
2014-08-02	17:24	3.62	516	52	352

Notes. r_h refers to the comet heliocentric distance in AU, d is the Rosetta s/c–nucleus distance in km, and α_n (°) with n going from 1 to 4 are the position angles at which jet-like features are detected measured from top in the images (Figs. 1−3) counterclockwise.

^(a)

Curved features.

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