Physical properties of asteroid 308635 (2005 YU55) derived from multi-instrument infrared observations during a very close Earth approach

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Volume 558 (October 2013)

A&A, 558 (2013) A97

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Table 2

Observing geometries (miniTAO-centric) and final calibrated flux densities.

Julian date	λ _ref	FD	F D _err	r _helio	Δ_obs	α	Observatory/
mid-time	[μm]	[Jy]	[Jy]	[AU]	[AU]	[deg]	instrument

2 455 874.46285	18.7	189.53	30.44	0.9904028	0.0021426484	–97.17	miniTAO/MAX38^a
2 455 874.46632	18.7	192.82	30.25	0.9904293	0.0021415786	–96.46	miniTAO/MAX38^a
2 455 874.46979	18.7	192.81	29.53	0.9904558	0.0021408565	–95.74	miniTAO/MAX38^a
2 455 874.47326	18.7	196.73	32.07	0.9904823	0.0021404827	–95.03	miniTAO/MAX38^a
2 455 874.47674	18.7	194.37	33.12	0.9905088	0.0021404572	–94.32	miniTAO/MAX38^a
2 455 874.48021	18.7	203.01	32.83	0.9905352	0.0021407803	–93.61	miniTAO/MAX38^b
2 455 874.48368	18.7	204.71	35.25	0.9905617	0.0021414518	–92.89	miniTAO/MAX38^b
2 455 874.48715	18.7	212.57	34.45	0.9905882	0.0021424716	–92.18	miniTAO/MAX38^b
2 455 874.49062	18.7	217.57	33.65	0.9906147	0.0021438391	–91.47	miniTAO/MAX38^b
2 455 874.49410	18.7	223.70	34.04	0.9906411	0.0021455542	–90.76	miniTAO/MAX38^b
2 455 874.49757	18.7	219.77	32.97	0.9906676	0.0021476157	–90.05	miniTAO/MAX38^c
2 455 874.50104	18.7	222.79	32.28	0.9906941	0.0021500229	–89.34	miniTAO/MAX38^c
2 455 874.50451	18.7	222.34	34.22	0.9907206	0.0021527749	–88.63	miniTAO/MAX38^c
2 455 874.50799	18.7	227.06	34.94	0.9907471	0.0021558704	–87.93	miniTAO/MAX38^c
2 455 874.51146	18.7	223.24	35.74	0.9907735	0.0021593083	–87.22	miniTAO/MAX38^c
2 455 874.52187	8.9	126.81	15.22	0.9908530	0.0021716598	–85.13	miniTAO/MAX38^d
2 455 874.52535	8.9	123.50	13.45	0.9908794	0.0021764507	–84.43	miniTAO/MAX38^d
2 455 874.52882	8.9	124.36	14.10	0.9909059	0.0021815751	–83.74	miniTAO/MAX38^d
2 455 874.54965	12.2	225.22	24.78	0.9910648	0.0022191984	–79.67	miniTAO/MAX38^e
2 455 874.55312	12.2	221.94	24.94	0.9910912	0.0022265916	–79.00	miniTAO/MAX38^e
2 455 874.55660	12.2	215.43	23.59	0.9911177	0.0022342979	–78.34	miniTAO/MAX38^e
2 455 874.56007	18.7	261.49	37.68	0.9911442	0.0022423147	–77.68	miniTAO/MAX38^f
2 455 874.56354	18.7	253.99	33.16	0.9911706	0.0022506389	–77.03	miniTAO/MAX38^f
2 455 874.56701	18.7	248.50	34.51	0.9911971	0.0022592671	–76.38	miniTAO/MAX38^f
2 455 874.57049	18.7	247.40	33.88	0.9912236	0.0022681963	–75.74	miniTAO/MAX38^f
2 455 874.57396	18.7	241.90	36.31	0.9912501	0.0022774233	–75.10	miniTAO/MAX38^f
2 455 874.57743	18.7	241.30	33.92	0.9912765	0.0022869445	–74.47	miniTAO/MAX38^f
2 455 875.51458	18.7	28.08	5.90	0.9983930	0.0084376885	–19.23	miniTAO/MAX38^g
2 455 875.57639	8.9	19.60	2.32	0.9988611	0.0089028990	–18.57	miniTAO/MAX38^h

Notes. Negative phase angles: after opposition (object was trailing the Sun). An absolute flux calibration of 5% (N band) and 7/10% (1^st/2^nd day Q band) has been added. The second day Q-band data point has been corrected for airmass/PWV effects (see text).

^{(a,b,c,d,e,f,g,h)}

For the χ² analysis in Sect. 3 we used the mean fluxes of each group for calculation efficiency.

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