Table 3
Spitzer/MIPS observations.
Target | PID | Mid-time of observation(s) | r | Δ | α | MIPS 24 μm band | MIPS 70 μm band | ||
(AU) | (AU) | (°) | Dur. (min) | F24 (mJy) | Dur. (min) | F70 (mJy) | |||
|
|||||||||
2001 QS322 | 3542 | 03-Dec.-2005 13:12 | 42.32 | 41.87 | 1.23 | 467.2 | <0.015 | 308.5 | <1.1 |
Borasisi | 3229 | 02-Dec.-2004 00:29 | 41.16 | 41.16 | 1.41 | 99.1 | <0.030 | 218.2 | 3.6 ± 0.9 |
50024 | 29-Jul.-2008 16:48 | 41.41 | 40.97 | 1.29 | 170.45 | 0.057 ± 0.007 | 369.3 | 1.3 ± 0.7 | |
2001 QY297 | 50024 | 25-Nov.-2008 02:40 | 43.09 | 42.73 | 1.28 | 170.45 | 0.016 ± 0.006 | 239.17 | 2.0 ± 0.9 |
2001 QT322 | 3542 | 26-Dec.-2004 23:46 | 36.92 | 36.95 | 1.56 | 406.6 | <0.037 | 406.6 | <1.5 |
2003 QA91 | 50024 | 28-Dec.-2008 16:34 | 44.91 | 44.87 | 1.29 | 431.8 | 0.079 ± 0.006 | 639.2 | 3.8 ± 0.4 |
Teharonhiawako | 3229 | 09-Nov.-2004 20:15 | 45.00 | 44.72 | 1.25 | 153.27 | 0.027 ± 0.010 | 179.03 | 1.6 ± 0.6 |
2003 QR91 | 50024 | 24-Nov.-2008 13:26 | 39.12 | 38.70 | 1.37 | 340.9 | 0.107 ± 0.007 | 1074.2 | 4.8 ± 0.6 |
|
|||||||||
1998 SN165 | 55 | 05-Dec.-2004 08:10 | 37.97 | 37.54 | 1.39 | no observations | 37.3 | <13.9 | |
2001 QD298 | 3542 | 05-Nov.-2004 13:41 | 41.19 | 40.91 | 1.36 | 283.3 | <0.059 | 283.3 | <1.5 |
1996 TS66 | 3542 | 29-Jan.-2005 06:34 | 38.53 | 38.21 | 1.42 | 114.96 | 0.104 ± 0.009 | 268.54 | 2.3 ± 0.8 |
2002 GJ32 | 3542 | 19-Feb.-2006 07:31 | 43.16 | 43.16 | 1.33 | 214.06 | 0.024 ± 0.006 | 132.87 | 4.2 ± 0.9 |
2002 AW197 | 55 | 12-Apr.-2004 16:34 | 47.13 | 46.70 | 1.10 | 56.7 | 0.143 ± 0.027 | 56.7 | 13.7 ± 1.9 |
2001 QC298 | 50024 | 29-Jul.-2008 20:53 | 40.62 | 40.31 | 1.38 | 170.45 | 0.158 ± 0.010 | 369.25 | 5.8 ± 0.7 |
Notes. Targets 2003 QR91, 2001 QC298, 1996 TS66 and 2002 GJ32 were not observed by Herschel. The latter two targets are from Brucker et al. (2009) and have been remodeled based on updated flux densities with significant changes in radiometric results. Flux densities of Teharonhiawako and 2001 QY297 have been updated from those in Vilenius et al. (2012), and they have been reanalysed in this work. PID is the Spitzer program identifier. Observing geometry (heliocentric distance r, Spitzer-target distance Δ and Sun-target-Spitzer phase angle α) is averaged over the individual observations. The “Dur.” column gives the total observing time of several visits. The durations of observing epochs were 4−8 days, except for 1998 SN165 and 2002 AW197, which had only one observation. The effective monochromatic wavelengths of the two MIPS bands we use are 23.68 μm and 71.42 μm. Targets below the horizontal line have i > 4.5°. In-band fluxes from Mueller et al. (in prep.). Flux densities presented in this table have been color-corrected.
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