"Pi of the Sky" observation of
GJ 3331A / GJ 3332 flare at 2006.11.28 06:03 UT

"Pi of the Sky" automatic trigger has detected a bright flare of GJ 3331A / GJ 3332 (RA = 5h06m50s, Dec = -21o35').
The magnitude of the star has risen by Δm=0.55 from m=9.58 to mmax=9.03.
See the explanaition for general public. / Zobacz wyjasnienie po polsku.

Each point of the light curve comes from a sum of 20 images, 10s exposure each.

GJ 3331A light curve

Images below are 100x100 pixels, 40 arcsec/pixel, South up. Each image is 20 x 10s = ~4 minutes exposure.

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The lightcurve below is made from single frames - 10 s exposures.

GJ 3331A light curve - single frames

Measurements for averaged 20 x 10s frames:

UTHJDmag
05:32:052454067.7369.593
05:36:362454067.7399.590
05:41:072454067.7429.581
05:45:372454067.7459.590
05:50:132454067.7499.586
05:54:432454067.7529.579
05:59:142454067.7559.576
06:03:452454067.7589.398
06:08:152454067.7619.030
06:12:512454067.7649.060
06:17:212454067.7689.168
06:21:522454067.7719.272
06:26:232454067.7749.308
06:30:532454067.7779.363
06:35:282454067.7809.432
06:39:592454067.7839.464
06:44:302454067.7869.483
06:49:012454067.7899.471
06:53:312454067.7939.482
06:58:062454067.7969.488
07:02:372454067.7999.500
07:07:082454067.8029.509
07:11:392454067.8059.520
07:16:092454067.8089.522
07:20:442454067.8129.522
07:25:152454067.8159.529