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The orbit and size-frequency distribution of long period comets observed by Pan-STARRS1
- Source :
- Icarus, Icarus, Elsevier, 2019, 333, pp.252-272. ⟨10.1016/j.icarus.2019.05.034⟩
- Publication Year :
- 2019
- Publisher :
- HAL CCSD, 2019.
-
Abstract
- We introduce a new technique to estimate the comet nuclear size frequency distribution (SFD) that combines a cometary activity model with a survey simulation and apply it to 150 long period comets (LPC) detected by the Pan-STARRS1 near-Earth object survey. The debiased LPC size-frequency distribution is in agreement with previous estimates for large comets with nuclear diameter $>\sim 1$~km but we measure a significant drop in the SFD slope for small objects with diameters $1$~km diameter and have perihelia $q100$~m due to the shallow slope of the SFD for diameters $<br />accepted for publication in Icarus
- Subjects :
- Physics
Absolute magnitude
Earth and Planetary Astrophysics (astro-ph.EP)
010504 meteorology & atmospheric sciences
[PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]
Drop (liquid)
Comet
FOS: Physical sciences
Astronomy and Astrophysics
Astrophysics
01 natural sciences
13. Climate action
Space and Planetary Science
Long period
0103 physical sciences
Size frequency
010303 astronomy & astrophysics
ComputingMilieux_MISCELLANEOUS
0105 earth and related environmental sciences
Astrophysics - Earth and Planetary Astrophysics
Subjects
Details
- Language :
- English
- ISSN :
- 00191035 and 10902643
- Database :
- OpenAIRE
- Journal :
- Icarus, Icarus, Elsevier, 2019, 333, pp.252-272. ⟨10.1016/j.icarus.2019.05.034⟩
- Accession number :
- edsair.doi.dedup.....100b09d29e286451e83cc67975fd7652
- Full Text :
- https://doi.org/10.1016/j.icarus.2019.05.034⟩