Near-infrared spectroscopy of Miranda | Astronomy & Astrophysics (A&A)

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Volume 562 (February 2014)

A&A, 562 (2014) A46

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Table 2

Spectroscopic observations of Miranda (top) and the observed solar analogs (bottom).

Instrum.	Sub-Earth long.; lat.	TI^*	Date	UT time	Band	Exposure	Number of	Airmass	NIR seeing
	of Miranda (˚)	(%)	[yyyy/mm/dd]			time [s]	frames		(′′)

PHARO	254.8; –34,4	26	2000/08/12	09h30	H	300	9	1.6–1.9	0.4
PHARO	150.3; –34.5	15	2000/08/13	09h20	K	300	15	1.6–2.2	0.4
PHARO	162.7; –34.5	16	2000/08/13	10h45	H	300	6	2.3–2.8	0.4
SpeX	256.1; +21.4	72	2012/09/25	09h30	IJHK	120	46	1.1–1.5	<0.6
SpeX	152.6; +21.4	60	2012/09/26	09h40	IJHK	120	32	1.1–1.4	<0.6

HD198802	(G1V) Mag_H = 4.9		2000/08/12	10h45	H	4	20	2.50–2.60	n/a
HD220957	(G7) Mag_H = 4.4		2000/08/13	10h20	H	10	8	1.75–2.0	n/a
BS06917	(A2) Mag_H = 5.6		2000/08/13	11h40	K	10	24	~1.70	n/a
BD-004557	(F8) Mag_H = 8.3		2012/09/25	10h10	IJHK	30	6	~1.2	<0.6
BD-004557	(F8) Mag_H = 8.3		2012/09/26	10h50	IJHK	30	6	~1.1	<0.6

Notes. Magnitudes are in H-band (from SIMBAD: http://simweb.u-strasbg.fr/simbad).

^(*)

Terra Incognita: percentage of the visible disk corresponding to regions not imaged by Voyager 2 (at a given epoch).

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