Variable Stars for Spring/Summer

0749+22, U GEM, mag 8.2-14.9, period 105 days, dwarf novae type cataclysmic variable, AAVSO chart index 07.

0814+73, Z CAM, mag 9.6-13.0, period 20 days?, dwarf novae type cataclysmic variable, AAVSO chart index 08.

0942+11, R LEO, mag 5.9-10.1, period 313 days, Mira type long period pulsating variable, predictions Max-March 7, 2001, min-Sept. 6, 2001 AAVSO chart index 09.

0958+14, RY LEO,  mag 9.0-11.8, period 155 days, semi regular pulsating variable, AAVSO chart index 09.

1151+58, Z UMA, mag 6.5-9.4, period 195 days, AAVSO chart index 11.

1231+60, T UMA, mag  7.7-12.9, period 257 days, Mira type long period pulsating variable, predictions Max-May 5, 2001, min-Oct. 3, 2001, Max-Jan. 16, 2002. AAVSO chart index 12.

1239+61, S UMA,  mag 7.8-11.7, period 226 days, Mira type long period pulsating variable, predictions Max-June 3, 2001, min-Oct. 3, 2001, Max-Jan 15, 2002. AAVSO chart index 12.

1315+46, V CVN, mag 6.8-8.8, period 192 days, semi regular pulsating variable. AAVSO chart index 13.

1343-27, W HYA, mag  5.7-10.0, period 397 days, semi regular pulsating variable, predictions Max-April 17, 2001, min-May 27, 2001, Max-Oct. 16, 2001, min-Dec. 10, 2001. AAVSO chart index 13.

1415+67, U UMI, mag 8.2-12.0, period 331 days, Mira type long period pulsating variable, predictions min-May 26, 2001, Max-Nov. 5, 2001. AAVSO chart index 14.

1425+39, V BOO, mag 7.5-10.7, period 258 days. AAVSO chart index 14.

Observations wanted. Email Bill Castro (wcastro@neo.rr.com). Please use the AAVSO charts with listed magnitudes as reference. These chart can be printed by saving the gif image (right mouse button-save image as), then importing it into a word processing program (such as Word 2000) or an imaging program (such as Paint or Photo Editor) and printing it as a single page. Note that doing this will change the chart scale. Additional information on AAVSO charts can be found at AAVSO Star Charts web page. Standard Charts are typically  used.  Information on how to make an estimate is located at the AAVSO Preliminary Observations web page and the Variable Star  page under Research in this site. If you want help contact Bill Castro or Ralph Geschwind at a club meeting.
 


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Last updated May 8, 2001 by Bill Castro