Potential ALEXIS transient on Nov. 7

(vsnet-alert 583)

ALEXIS has detected a potential transient in Telescope 3B (186 Angstroms, 66eV) at:

         RA= (23 38 17.88)
         DEC=(23 41.24)
         (Epoch 2000)

         Error circle radius = 0.4 degrees (~90% confidence)

There was no evidence of the object in the co-aligned telescope 3A (72 eV). The source appeared to turn on about 16 UT 7 Nov and was either slowly decaying or at a slightly dimmer state at 8 UT 9 Nov at which time the satellite began to manuver off of the source and the exposure time on source was halved. A search of the SIMBAD database reveals 23 sources within the error box including the ROSAT source RX J23367+2355.

Follow up observations are encouraged

                                                Diane Roussel-Dupre

for more information, see the ALEXIS web page


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