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Home All issues Volume 690 (October 2024) A&A, 690 (2024) A193 Full HTML
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Table 1

Summary of polarimetric observation.

Date UT Telescopes/instruments Exptime(a) (s) N(b) Airmass r(c) (au) Δ(d) (au) α(e) (°) ϕ(f) (°)
2022-05-25 16:17–17:35 Pirka/MSI 420 12 2.4–3.6 1.51 0.84 39.24 252.70
2022-06-06 16:48–17:16 Pirka/MSI 300 8 2.2–2.4 1.41 0.69 42.37 249.92
2022-06-14 16:00–16:53 Pirka/MSI 300 12 2.1–2.8 1.34 0.60 45.27 248.13
2022-07-01 15:52–17:10 Pirka/MSI 180 24 1.6–2.3 1.21 0.46 54.90 245.61
2022-07-09 14:33–15:18 Pirka/MSI 180 16 2.7–4.1 1.15 0.42 61.13 245.94
2022-07-10 15:13–17:10 Pirka/MSI 180 36 1.5–2.8 1.14 0.41 62.00 246.09
2022-07-21 17:00–17:26 Pirka/MSI 180 12 1.4–1.6 1.07 0.40 71.09 249.46
2022-07-26 15:46–15:46 Pirka/MSI 240 4 2.3–2.3 1.05 0.40 74.56 251.90
2022-07-29 15:35–16:23 Pirka/MSI 240 16 1.9–2.5 1.03 0.41 76.32 253.55
2022-07-31 16:34–16:50 Pirka/MSI 240 8 1.7–1.8 1.02 0.42 77.34 254.72
2022-08-07 17:09–17:09 Pirka/MSI 180 4 1.6–1.6 0.99 0.44 79.74 258.90
2022-08-10 16:18–17:35 Pirka/MSI 180 20 1.5–2.1 0.99 0.46 80.24 260.66
2022-08-14 15:48–16:01 Pirka/MSI 180 8 2.4–2.6 0.98 0.48 80.44 262.92
2022-08-14 18:29–18:51 Nayuta/WFGS2 300 8 1.4–1.5 0.98 0.48 80.40 262.92
2022-09-14 17:39–18:32 Pirka/MSI 240 12 1.4–1.6 1.01 0.65 70.77 275.77
2022-12-05 17:31–19:20 Nayuta/WFGS2 300 24 1.0–1.1 1.62 0.79 27.04 283.43
2022-12-21 14:31–15:00 Pirka/MSI 180 12 1.2–1.2 1.76 0.82 14.57 283.68
2023-01-12 17:34–18:26 Pirka/MSI 180 12 1.5–1.8 1.94 0.96 2.74 73.48
2023-01-25 11:00–17:10 Kanata/HONIR 120 88 1.0–1.5 2.05 1.10 10.36 89.74

Notes. (a)Exposure time in seconds. (b)Number of valid exposures. (c)Median heliocentric distance in au. (d)Median geocentric distance in au. (e)Median solar phase angle in degrees. (f)Position angle of the scattering plane in the equatorial coordinate system (J2000) in degrees.

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