LAT Gamma-ray Pulsar Timing Models

Overview

This page is for distribution of pulsar timing models made by the LAT team directly from LAT gamma-ray data, independent of any radio timing data that may exist. We use the methods documented in Ray, Kerr, Parent et al. (2011, ApJS, 194, 17, arXiv:1011.2468). The primary focus is on the blind search pulsars and other pulsars that are not easily timed in the radio or X-ray bands. If you would like a particular pulsar added to this page, please contact us. This work is being supported by the Fermi Cycle 3 Guest Observer program.

You are free to use these LAT timing solutions to fold your data. If you publish work based on these models, please reference Ray, Kerr, Parent et al. (2011) and this page in your publication. The primary intent is to support pulsar analyses requiring timing ephemerides, such as phase-resolved spectroscopy and analyses of sources close to bright pulsars through the use of pulsar `gating'. If, on the other hand, you want to publish something based on the values of the timing model parameters (e.g. timing positions, glitch parameters, etc...) we ask that you contact us first because there may be important caveats or publication plans.

Participants

Paul Ray, Aous Abdo, Matthew Kerr, Pablo Saz Parkinson, Michael Dormody, and others...

Timing solutions

Latest models are available HERE

Models will be updated every 3-6 months, or sooner if requested.

List of Pulsars that have a LAT timing model

Note that not all of these pulsar will have up to date models depending on when we last ran them. If you have a need for one, just let us know.

Pulsars timed with the Fermi-LAT

Pulsar Name	Update Date	By	Start (MJD)	Finish (MJD)	Notes	Timing File	Rediduals	Phaseogram
J0007+7303	9-Feb-2012	Paul	54686.37	55421.29	Two overlapping timing models	PAR File	Timing Residuals	Phaseogram
J0007+7303	9-Feb-2012	Paul	55010.80	55961.10	Will try to merge into one later	PAR File	Timing Residuals	Phaseogram
J0106+4855	6-June-2012	Aous	54695.16	56071.43	Found Radio PSR (GBT 820 MHz)	PAR File	Timing Residuals	Phaseogram
J0205+6449						PAR File	Timing Residuals	Phaseogram
J0357+3205	5-June-2012	Paul	54695.86	56069.70		PAR File	Timing Residuals	Phaseogram
J0622+3749	6-June-2012	Aous	54697.88	56068.71		PAR File	Timing Residuals	Phaseogram
J0633+0632	5-June-2012	Aous	54697.88	56068.71		PAR File	Timing Residuals	Phaseogram
J0633+1746	6-June-2012	Aous	54684.15	56082.44		PAR File	Timing Residuals	Phaseogram
J0734-1559	23-Aug-2011	Damien	54693.79	55784.86		PAR File	Timing Residuals	Phaseogram
J1022-5746 / J1023-5746	29-Sep-2011	Damien	54691.24	55824.21	This is the 2PC model	PAR File	Timing Residuals	Phaseogram
J1044-5737	30-Sep-2011	Max	54682.00	55794.04		PAR File	Timing Residuals	Phaseogram
J1124-5916	1-Nov-2011	Paul	54682.00	55191.00		PAR File	Timing Residuals	Phaseogram
J1124-5916	1-Nov-2011	Paul	55191.00	55800.00		PAR File	Timing Residuals	Phaseogram
J1135-6055	6-June-2012	Aous	54700.79	56068.48		PAR File	Timing Residuals	Phaseogram
J1413-6205	5-June-2012	Aous	54695.15	56070.40		PAR File	Timing Residuals	Phaseogram
J1418-6058	7-June-2012	Aous	54695.14	55828.23		PAR File	Timing Residuals	Phaseogram
J1429-5911	29-Sep-2011	Damien	54693.30	55822.14		PAR File	Timing Residuals	Phaseogram
J1459-6053	6-Jnue-2012	Aous	54698.02	56070.51		PAR File	Timing Residuals	Phaseogram
J1620-4927	7-June-2012	Aous	54696.33	56067.52		PAR File	Timing Residuals	Phaseogram
J1732-3131	7-June-2012	Aous	54694.74	56072.87		PAR File	Timing Residuals	Phaseogram
J1741-2054	7-June-2012	Aous	54690.32	56072.62	Found Radio PSR (Parkes Multibeam)	PAR File	Timing Residuals	Phaseogram
J1746-3239	7-June-2012	Aous	54700.9	56063.97		PAR File	Timing Residuals	Phaseogram
J1747-2958	4-Oct-2011	Damien	54693.30	55822.14		PAR File	Timing Residuals	Phaseogram
J1803-2148/J1803-2149	4-Oct-2011	Damien	54695.74	55820.89		PAR File	Timing Residuals	Phaseogram
J1809-2332	4-Oct-2011	Pablo	54682.00	55800.00		PAR File	Timing Residuals	Phaseogram
J1813-1246	4-Oct-2011	Damien	54692.79	55827.90	One or two glitches likely one glitch the GLF2_2 in the timing solution is probably a typo	PAR File	Timing Residuals	Phaseogram
J1826-1256	4-Oct-2011	Damien	54693.73	55822.91		PAR File	Timing Residuals	Phaseogram
J1833-1034					Paul requested from Fernando. He says 'next week' as of 2012 Feb 8.	PAR File	Timing Residuals	Phaseogram
J1836+5925	4-Oct-2011	Pablo	54682.00	55800.00		PAR File	Timing Residuals	Phaseogram
J1846+0919	4-Oct-2011	Damien	54697.42	55819.22		PAR File	Timing Residuals	Phaseogram
J1907+0602	24-Jan-2011	Aous	54682.66	55928.34	Found Radio PSR (AO L-band)	PAR File	Timing Residuals	Phaseogram
J1954+2836	4-Oct-2011	Pablo	54682.00	55800.00		PAR File	Timing Residuals	Phaseogram
J1957+5036/J1957+5033	4-Oct-2011	Pablo	54582.00	55800.00		PAR File	Timing Residuals	Phaseogram
J1958+2846	4-Oct-2011	Pablo	54582.00	55800.00		PAR File	Timing Residuals	Phaseogram
J2021+4026	6-Dec-2011	Max	54682.00	55777.00		PAR File	Timing Residuals	Phaseogram
J2028+3332	3-Oct-2011	Damien	54695.20	55824.27		PAR File	Timing Residuals	Phaseogram
J2030+4415	3-Oct-2011	Damien	54693.75	55825.72		PAR File	Timing Residuals	Phaseogram
J2032+4127	05-Jun-2012	Paul	54688.69	56076.87	Found Radio PSR (S-band GBT 1-hour)	PAR File	Timing Residuals	Phaseogram
J2055+2539	3-Oct-2011	Max	54742.90	55803.64		PAR File	Timing Residuals	Phaseogram
J2111+4606	7-Feb-2012	Paul	54689.59	55814.35		PAR File	Timing Residuals	Phaseogram
J2139+4716	29-Sep-2012	Max	54717.66	55783.01		PAR File	Timing Residuals	Phaseogram
J2229+6114	9-Feb-2012	Matthew	54589.66	55266.75	Solutions overlap	PAR File	Timing Residuals	Phaseogram
J2229+6114	9-Feb-2012	Matthew	55149.19	55808.57	Solutions overlap	PAR File	Timing Residuals	Phaseogram
J2238+5903	1-Oct-2011	Max	54682.00	55792.24		PAR File	Timing Residuals	Phaseogram

Radio/X-ray Selected Pulsars that the LAT can do a better job on

Pulsar Name	Comments
J0205+6449	in 3C 58
J0835-4510	Vela
J1124-5916
J2021+3651	Dragonfly
J2229+6114	in Boomerang

Comments :

The LAT solutions can be used with the Fermi plugin available in the TEMPO2 distribution.

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