Nulling interferometry: impact of exozodiacal clouds on the performance of future life-finding space missions

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Volume 509 (January 2010)

A&A, 509 (2010) A9

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Table 4:

Expected performance in terms of number of stars surveyed and planets characterised during the nominal 5-year mission for various telescope diameters and planet radii.
Telescope diameter	1-m	2-m	4-m	2-m	2-m
Planet radius [ $R_{\oplus}$ ]	1	1	1	1.5	2
Detection
Surveyed (5 years)	89	303	813	590	921
Surveyed (2 years)	58	189	497	370	564
# F stars	3	10	35	27	46
# G stars	11	43	136	96	164
# K stars	14	61	183	130	206
# M stars	30	75	143	117	148
Spectroscopy
Staring (CO₂,O₃)	20	64	199	132	234
Rotating (CO₂,O₃)	20	43	127	89	159
# F stars	0	2	5	4	8
# G stars	2	7	25	17	36
# K stars	2	10	40	24	46
# M stars	16	24	67	44	69
Staring (H₂O)	15	32	101	71	121
Rotating (H₂O)	11	21	60	48	83
# F stars	0	1	2	2	4
# G stars	0	4	11	8	16
# K stars	2	5	18	11	22
# M stars	9	11	39	27	41

All stars are assumed to host a planet in the habitable zone and to be surrounded by an exozodiacal cloud 3 times denser that in the solar system.

Source LaTeX | All tables | In the text

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