TT-Ari

A nova like cataclysmic variable in the constellation of Aries1). It is of special interest because of its curious periodic dimming, from a magnitude of 11.2 down to 16.5 2)

Observations

Observation JD 2455129

(AAVSO ID# BDQ)

This is a time series of observations taken over a 2.5 hour period, with a 30 min. break in data. Viewing conditions were good. The accompanying image shows the star field with the TT Ari labeled as “V” and the two comparison stars marked as “C1” and “C2.” (The objects in the lower rigth are just two galaxies, far, far away.)

aip4win-ttari-sw.jpg


Observation JD 2455149

(AAVSO ID# BDQ)

This is a time series observation that lasted only an hour. Viewing conditions were marginal at best. The accompanying image shows the star field with TT Ari labeled as “V” and the comparison star marked as “C1.” TT Ari at this point is fading fast from its non-nova outburst.

aip4win-ttari.jpg

References


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