Peter Wakelin wrote: > 99-28C: I had almost given up trying to get a reliable > measure of the photometric period of this object but last > night the minima were very well defined and I got six times > starting at 234338 UTC before the minima became too faint to > see. The average was 83.8s and all intervals were within 1s of this. Excellent. This object is difficult to time accurately. Your obs confirms that the slow rotational acceleration continues: http://satobs.org/seesat_ref/99028C_period_of_var/99028C_period_of_var_2.jpg Additions since I first posted this plot, on 2006 Jan 25: 28/01/2006 87 Kurt Jonckheere 28/01/2006 86 Kurt Jonckheere 20/06/2006 84.6 Ted Molczan 13/07/2006 83.8 Peter Wakelin I commented on the significance of the acceleration in that earlier post: http://satobs.org/seesat/Jan-2006/0238.html Ted Molczan ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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