Catalogue of ISO LWS observations of asteroids | Astronomy & Astrophysics (A&A)

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Table 1:

Overview of standard LWS asteroid observations in our catalogue. For the on-source pointings the distance to the asteroid $\Delta$ , the Sun-asteroid distance r, and the phase angle $\alpha$ are given, based on MPC (minor planet center) ephemerides. The TDT number is a unique identifer, allowing one to find the observation in the archive.
Object		TDT	Mid-observation UTC	AOT	$\Delta$ [AU]	r [AU]	$\alpha$ $[\hbox{$^\circ$ }]$	Remarks
(1)	Ceres	09300401	1996-02-18 04:31:18	L02	2.673	2.695	21.2
		09304102	1996-02-18 15:15:23	L02	(off-source reference measurement for TDT 09300401)
		10500402	1996-03-01 05:22:22	L02	2.520	2.705	21.5
		11900214	1996-03-15 02:42:57	L02	2.344	2.715	21.1
		11905611	1996-03-15 16:54:46	L02	(off-source reference measurement for TDT 11900214)
		12600114	1996-03-22 02:03:54	L02	2.258	2.721	20.5
		25800302	1996-07-31 19:30:27	L02	2.258	2.823	19.2
		25805903	1996-08-01 08:55:54	L02	(off-source reference measurement for TDT 25800302)
		26500301	1996-08-07 19:10:27	L02	2.351	2.828	20.0
		26505602	1996-08-08 09:32:38	L02	(off-source reference measurement for TDT 26500301)
		32100204	1996-10-02 15:31:35	L02	3.126	2.868	18.6
		32103506	1996-10-03 03:52:44	L02	(off-source reference measurement for TDT 32100204)
		53802209	1997-05-07 12:16:09	L02	3.112	2.971	18.9
		57902409	1997-06-17 09:56:26	L02	2.575	2.978	19.4
		59401908	1997-07-02 06:42:05	L02	2.391	2.980	17.9
		72001901	1997-11-05 01:10:04	L02	2.522	2.973	18.6
		74803304	1997-12-03 03:04:58	L02	2.901	2.966	19.3
		74803403	1997-12-03 08:11:59	L01	2.904	2.966	19.3	contains warmup artefacts
		75502902	1997-12-10 00:30:08	L01	(off-source reference measurement for TDTs 74803...)
		75503003	1997-12-10 01:38:00	L02	2.994	2.964	19.0
		76200502	1997-12-16 13:29:15	L02	3.081	2.962	18.6
		76903102	1997-12-24 01:08:50	L02	3.177	2.960	18.0
		76903203	1997-12-24 02:17:12	L01	3.178	2.960	18.0
(2)	Pallas	23000306	1996-07-03 21:24:01	L02	2.497	2.823	20.9
		23002907	1996-07-04 12:01:22	L02	(off-source reference measurement for TDT 23000306)
		25100202	1996-07-24 19:49:12	L02	2.780	2.871	20.6
		25103603	1996-07-25 09:58:26	L02	(off-source reference measurement for TDT 25100202)
		26500503	1996-08-07 19:43:17	L02	2.967	2.903	19.9
		26505204	1996-08-08 07:27:57	L02	(off-source reference measurement for TDT 26500503)
		27200203	1996-08-14 18:19:41	L02	3.057	2.919	19.3
		27202004	1996-08-15 03:27:01	L02	(off-source reference measurement for TDT 27200203)
(4)	Vesta	24402202	1996-07-17 23:20:20	L02	1.593	2.149	26.6
		24404603	1996-07-18 06:29:49	L02	(off-source reference measurement for TDT 24402202)
		80500101	1998-01-28 10:36:25	L02	2.566	2.549	22.2
		80500104	1998-01-28 11:02:50	L02	2.566	2.549	22.2
		80500107	1998-01-28 11:29:15	L02	2.567	2.549	22.2
		80500110	1998-01-28 11:55:40	L02	2.567	2.549	22.2
		80500113	1998-01-28 12:22:05	L02	2.567	2.549	22.2
		80500116	1998-01-28 12:48:30	L02	2.567	2.549	22.2
		80500119	1998-01-28 13:14:55	L02	2.568	2.549	22.2
		80500122	1998-01-28 13:41:20	L02	2.568	2.549	22.2
		80500125	1998-01-28 14:07:45	L02	2.568	2.549	22.2
		80500128	1998-01-28 14:34:10	L02	2.568	2.549	22.2
		80500131	1998-01-28 15:00:35	L02	2.569	2.549	22.2
		80500134	1998-01-28 15:27:00	L02	2.569	2.549	22.2
		80500137	1998-01-28 15:53:25	L02	2.569	2.549	22.2
(10)	Hygiea	83201702	1998-02-24 22:08:03	L01	3.179	3.444	16.6	CII background emission
		83201803	1998-02-24 22:44:05	L02	3.179	3.444	16.6
		84801302	1998-03-12 16:13:06	L02	3.402	3.434	16.7
		85303402	1998-03-17 16:09:46	L02	3.472	3.430	16.6

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