Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T05:54:05.866182Z
Paper Citation Record · LEDGER
As of 17 August 2026, this Paper Citation Record lists 24 of 24 outbound references and 0 inbound Pith citation observations for arXiv:1909.00639.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T05:54:05.866182Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-17T06:30:58.91139+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
24 of 24 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 1939f3c2-7e00-4a03-8859-b1036c5d0fe8 · outbound
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation f8e730f5-bd0d-4611-ad15-6b671de9f25d · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March (2007) and Trotignon et al
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 8634556c-bfab-48d4-9d70-b3cc82017339 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March The factor 10-6 follows by reducing a pre-factor in Eq
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b52ff3b3-9235-4371-be9f-7a74c30d4879 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Rosetta approached 67P in August 2014 at a heliocentric distance of d~3.6 AU
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 2adc50cc-5d15-41ad-8afa-c68e7d908f6b · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Unresolved cited work
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 38f0a292-073e-47a1-a76d-c73c90a0a39d · outbound
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 4baa6d0b-b7a6-45d8-ae4d-8122bc76c4e5 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Key words: comets: individual (67P) – molecular processes
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation ff9cfa9a-f9cc-46f6-af70-c3a8f39e2a51 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Unresolved cited work
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3f951009-f83b-4499-8829-9ea7ff91d345 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Such a crude treatment of the photoionization frequency gives values within 20% of those calculated (from TIMED/SEE L3 V12 data) by Heritier et al
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 6639aa0d-05bd-441b-be55-b0e8c5e6ea35 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March southern summer
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 161d9cb9-2003-4dd2-b912-6ec1052b19f3 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Unresolved cited work
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 538ea29e-163d-4774-9cbb-4b51ac155f5a · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March 2 that the ne,model/ne,MIP ratio, if anything, shows an increasing trend with decreasing r/rin ratios
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 644dce4b-1c43-43cc-b9ad-ccae9e8beee8 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March post-perihelion exceptions
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b5a8ced0-8e7f-4993-8b76-3471fcb98692 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March From relative abundances of ion species as measured by the ROSINA/Double Focusing Mass Spectrometer (ROSINA/DFMS) one may make arguments for and against ion-neutral coupling
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 97d800f8-fc27-492a-b8be-f47b6985590d · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March To clarify this; chemical models (e.g., Vigren & Galand, 2013; Fuselier et al., 2015; Heritier et al., 2017; Vigren 2018; Beth et al.,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3c5c4c0c-bfeb-4ed1-bb07-c31b4d786087 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March ui=un component
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b83d6fea-a9f8-43c5-a8ee-bf25a1f9caf7 · outbound
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3194fb94-e970-46f0-bf30-e8ad93e0bf68 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Unresolved cited work
Reference 2011
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 15a9148c-e926-4e75-9af8-9de2fe031e0e · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Unresolved cited work
Reference 2013
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 9a7d2f25-e5fb-40df-a678-31bd6483b92e · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March 7 of Hansen et al
Reference 2015
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation ba492e57-32d4-42f9-afa5-2c5115d4314b · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March (2016, 2017), Galand et al
Reference 2016
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation a8f55e59-56cd-4496-997e-e1ca15026644 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Unresolved cited work
Reference 2017
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation ea707bc5-87a9-495b-bdf0-3b8e8a08bd6f · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March Unresolved cited work
Reference 2018
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 7419ff98-6408-4d09-87ba-b023b7f6a340 · outbound
The evolution of the electron number density in the coma of comet 67P at the location of Rosetta from 2015 November through 2016 March The cometary ionosphere of 67P has been modeled through MHD- (e.g., Rubin et al., 2014), hybrid- (e.g., Koenders et al., 2015), and Particle-In-Cell (Deca et al.,
Reference 2019
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
No inbound Pith citation observations are available.