Sublimation origin of active asteroid P/2018 P3 | Astronomy & Astrophysics (A&A)

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Table 2

Photometry with fixed linear apertures.

UT date	Quantity^(a)	500 km	1000 km	2000 km	4000 km	8000 km
Sep. 28	V	18.16 ±0.01	17.76 ± 0.01	17.45 ± 0.03	17.22 ± 0.03	17.11 ± 0.03
Sep. 28	H	16.98 ± 0.01	16.58 ± 0.01	16.27 ± 0.03	16.04 ± 0.03	15.93 ±0.03
Sep. 28	C_e	6.1 ± 0.2	8.8 ±0.5	11.7 ±0.6	14.4 ± 0.6	15.9 ±0.6

Nov. 14	V	19.57 ± 0.01	19.01 ± 0.01	18.50 ± 0.03	18.06 ±0.06	17.78 ± 0.06
Nov. 14	H	17.14 ± 0.01	16.58 ± 0.01	16.07 ± 0.03	15.63 ± 0.06	15.35 ±0.06
Nov. 14	C_e	5.2 ±0.2	8.8 ±0.4	14.0 ± 0.5	20.9 ± 0.4	27.1 ± 0.4

Dec. 28	V	21.90 ± 0.01	21.16 ± 0.01	20.42 ± 0.03	19.79 ± 0.06	19.37 ± 0.06
Dec. 28	H	18.39 ±0.01	17.65 ± 0.01	16.91 ± 0.03	16.28 ± 0.06	15.86 ±0.06
Dec. 28	C_e	1.6 ±0.3	3.3 ±0.6	6.5 ±0.8	11.5 ±0.7	17.0 ± 0.7

Notes. ^(a)V = total apparent V magnitude, H = total absolute V magnitude, C_e = effective scattering cross-section in km² computed with p_V = 0.04.

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