Surface evolution of the Anhur region on comet 67P/Churyumov-Gerasimenko from high-resolution OSIRIS images

Rosetta mission full comet phase results

Open Access

Table 1

Observing conditions for the NAC images.

Time	Filter	α	r_⊙	Δ	Res	Figure
		(°)	(au)	(km)	(m px⁻¹)
2015-03-25T13h23	F22, F23, F24, F41	73.2	2.017	87.7	1.70	2, 6, 7, 8, 10
2015-05-02T10h42	all	61.5	1.732	125.0	2.4	3
2015-10-31T15h07	all	62.0	1.565	290.0	5.5	9
2016-01-02T17h03	F22	90.0	2.03	83.2	1.6	4
2016-01-27T18h36	F22, F24, F41	62.0	2.23	70.0	1.4	4, 6
2016-02-10T08h14	F22, F23, F24, F16, F27,	66.0	2.329	50.0	1.0	1, 2, 3, 7, 8, 10
	F28, F41, F51, F61, F71
2016-06-25T01h37	F22, F23, F24, F16, F41	86.9	3.272	17.9	0.35	5, 11, 12, 13
2016-06-25T11h50	F22, F23, F24, F16, F41	86.7	3.272	15.71	0.30	11, 12, 13
2016-07-30T05h02	F22, F24, F41	99.7	3.486	9.04	0.17	15
2016-07-30T05h05	F22, F24, F41	99.7	3.486	9.04	0.17	15
2016-07-30T05h09	F22, F24, F41	99.7	3.486	9.04	0.17	15
2016-07-30T05h12	F22, F24, F41	99.7	3.486	9.04	0.17	15
2016-09-08T20h08	F22	93.1	3.72	4.03	0.08	6
2016-09-08T20h17	F22	93.1	3.72	4.03	0.08	5

Notes. α is the phase angle, r_h is the heliocentric distance, and Δ is the distance between comet and spacecraft. The time refers to the start time of the first image of an observing sequence, in case of multiple filter observations. Filters: F22 (649.2 nm), F23 (535.7 nm), F24 (480.7 nm), F16 (360.0 nm), F27 (701.2 nm), F28 (743.7 nm), F41 (882.1 nm), F51 (805.3 nm), F61 (931.9 nm), F71 (989.3 nm), and F15 (269.3 nm).

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