Secular brightness curves of 272 comets | Astronomy & Astrophysics (A&A)

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Table 2

Date and geometry of observations analyzed.

	Date	r	Δ
Min	1886.09	0.31	0.14
25%	2015.69	2.60	2.15
50%	2020.60	4.03	3.63
75%	2022.56	5.74	5.38
Max	2024.60	34.62	34.33

Notes. Minimum, maximum, median (50%) and quartiles (25% and 75%) are listed for the date and geometry (r and Δ are heliocentric and geocentric distance) distributions of the 247 773 observations analyzed.

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