In search of Bennu analogs: Hapke modeling of meteorite mixtures

F. Merlin; J. D. P. Deshapriya; S. Fornasier; M. A. Barucci; A. Praet; P. H. Hasselmann; B. E. Clark; V. E. Hamilton; A. A. Simon; D. C. Reuter; X.-D. Zou; J.-Y. Li; D. L. Schrader; D. S. Lauretta

doi:10.1051/0004-6361/202140343

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Volume 648 (April 2021)

A&A, 648 (2021) A88

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Table 2

Best 20 results, ranked by reduced χ² value, considering an intimate mixture of amorphous carbon with only one other analog from Table 1.

Rank	Analog	Temperature	red.χ²	Per.
1	ALH 83100 CM1/2	150° C	5.95	80%
2	Essebi C2-ung	22° C	6.79	93%
3	Boriskino CM2	22° C	7.86	95%
4	Orgueil CI1	102° C^(*)	8.11	92%
5	DOM 08003 CM2	150° C	9.38	46%
6	GRO 95577 CR1	150° C	9.43	32%
7	ALH 84044 CM2	150° C	10.24	32%
8	ALH 84044 CM2	22° C	11.62	8%
9	LON 94101 CM2	150° C	12.32	29%
10	DOM 08003 CM2	22° C	12.84	18%
11	LEW 85311 CM2-an	150° C	12.39	59%
12	Mokoia CV3	102° C^(*)	12.97	99%
13	QUE 99355 CM2	22° C	13.78	7%
14	Nogoya CM2	22° C	13.81	13%
15	LEW 87022 CM2	22° C	14.49	56%
16	Niger CM2	22° C	15.47	19%
17	LON 94101 CM2	22° C	15.68	10%
18	MIL 07700 CM2	22° C	15.97	29%
19	Vigarano CV3	22° C	15.98	27%
20	QUE 97990 CM2	22° C	16.14	34%

Notes. The percentage (Per.) of the mixture accounted for by the other analog in each case is reported in the rightmost column. ^(*) Sample temperature reached ~102° C, but spectrum was taken after the sample had cooled.

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