CTX

AAVSO Observer Code
CTX
Affiliation
American Association of Variable Star Observers (AAVSO)
Full Name
Timothy Crawford
Location
Arch Cape, OR, US
Background/Interesting Fact
Member Since 2001

Sequence Team Member
Former Mentoring Team Member
Former Speakers Bureau Member
Former Telescope Allocation Committee Member
Nominating Committee Member, 2009
Nominating Committee Chairperson, 2012 & 2013

Earned a 100,000 CCD Observations Certificate, 2010
Earned a 100 Visual Observations Certificate, 2020 ;-)

Recipient of the 2012 William Tyler Olcott Distinguished Service Award:

http://www.aavso.org/william-tyler-olcott-distinguished-service-award

ARTICLES:
Field Use Review of Celestron's 9.25" New Advanced Series GT, Rose City Astronomers, Rosette Gazette, January, 2004
Variable Star Observing, Rose City Astronomers, Rosette Gazette, July 2005
My First Variable-Star Observation – A series of Misadventures Journal of the Royal Astronomical Society of Canada, June 2006, Volume 100 No 3
Contribute To Science by Observing Variable Stars, Amateur Astronomy, Spring 2006,No 49
Sideral Time, AAVSO Eyepiece Views, March, 2007
Playing with a 1.82 Meter Scope Doing Spectroscopy, Rose City Astronomers, Rosette Gazette, January, 2008
The Roll-Off Roof Design vs Dome Style Observatories, Rose City Astronomers, Rosette Gazette, November 2008
Contributing To Science with Your CCD Equipment, Amateur Astronomy, Summer 2009, No 68

PAPERS:
Detection of the First Observed Outburst of DW Cancri
JAAVSO Volume 36, No 1, 2008

The History of AAVSO Charts, Part III: the Henden Era
JAAVSO Volume 47, 2019

CO-Author, Papers:
Muticolor Observations of ASAS 002511+1217.2; 12th Young Scientists' Conference on Astronomy and Space Physics, held in Kyiv, Ukraine, April 19-23, 2005, Eds.: Simon, A.; Golovin, A., Kyiv University Press, p. 49.
The Recently-Discovered Dwarf Nova System ASAS J002511+1217.2: A New WX Satittae Star; Publication: The Publications of the Astronomical Society of the Pacific, Volume 118, Issue 840, pp. 236-245. February 2006.
The Detection of the WZ Sge-Type Nature of the Dwarrf Novae ASAS 023322-1047.0 and ASAS 102522-1542.4; The Society for Astronomical Sciences 25th Annual Symposium on Telescope Science. Held May 23-25, 2006, at Big Bear, CA. Published by the Society for Astronomical Sciences., p.77.
SDSS J102146.44+234926.3: New WZ Sge-type dwarf nova; Information Bulletin on Variable Stars, No. 5763, #1. April 2007.
SS Cyg Outburst Predictors and Long Term Quas-Periodic Behavior; Publications of the Astronomical Society of the Pacific, Volume 119, issue 862, pp.1361-1366, December 2007.
Periodicites in the high-mass X-ray binary system RX J0146.9+6121/LS1+61 235; Monthly Notices of the Royal Astronomical Society, Volume 392, Issue 3, January 2009, Pages 1242–1252. January 20096.
VSX J074727.6+065050: A new WZ Sagittae star in Canis Minor; the Journal of the British Astronomical Association, May 2009.
Modern observations of Hubble's first-discovered Cepheid in M31; PASP, Vol 123, PP 1374, 2011.
Photometry of Hubble's First Cepheid in the Andromeda Galaxy, M31; The Society for Astronomical Sciences 31st Annual Symposium on Telescope Science, held May 22-24, 2012 at Big Bear Lake, CA. Edited by Brian D. Warner, Robert K. Buchleim, Jerry L. Foote, and Dale Mais. Published by Society for Astronomical Sciences, 2012., pp.3-6.

Contributor:
Some Personalities from Variable Star History, Williams and Saladyga, JAAVSO Volume 43,2015.
CHOICE Courses Completed
How to use VPhot 2014-04-16
Variable Star Classification and Light Curves 2014-10-15