Figure 3 from Comet 240P/NEAT Is Stirring

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Comet 240P/NEAT Is Stirring

Authors: Michael S.P. Kelley, Dennis Bodewits, Quanzhi Ye, Tony L. Farnham, Eric C. Bellm, Richard Dekany, Dmitry A. Duev, George Helou, Thomas Kupfer, Russ R. Laher, Frank J. Masci, Thomas A. Prince, Ben Rusholme, David L. Shupe, Maayane T. Soumagnac, and Jeffry Zolkower

2019 The Astrophysical Journal Letters 886 L16.

Provider: AAS Journals

Caption: Figure 3.

Lightcurve of comet 240P/NEAT vs. perihelion time (T − T_P) in 2010–2011 (top) and 2017–2018 (bottom). ZTF and PTF data are measured with 9.″5 radius apertures. Select photometry contributed to the MPC are also shown (see Section 2 for details). Model lightcurves are presented (dotted lines), based on the Afρ formalism using the indicated value at perihelion (9.″5 aperture, ﹩{r}_{{\rm{h}}}^{-6}﹩ scale factor). Approximate epochs of transition to increased activity levels are marked with vertical lines.

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