[AAVSO-HEN] GRB 080129: optical limit by Pi of the Sky

[grb at aavso.org]

The following is a GCN Circular circulated via the AAVSO network.
For an archive and more information on circulars visit:
http://lheawww.gsfc.nasa.gov/docs/gamcosray/legr/bacodine/gcn3_archive.html

TITLE:   GCN CIRCULAR
NUMBER:  7236
SUBJECT: GRB 080129: optical limit by  Pi of the Sky
DATE:    08/01/29 21:04:53 GMT
FROM:    Grzegorz Wrochna at Soltan Inst.for Nuclear Studies  <wrochna at fuw.edu.pl>

M.Cwiok, W.Dominik, G.Kasprowicz, A.Majcher, A.Majczyna,
K.Malek, L.Mankiewicz, M.Molak, K.Nawrocki, L.W.Piotrowski,
D.Rybka, M.Sokolowski, J.Uzycki, G.Wrochna, A.F.Zarnecki
on behalf of "Pi of the Sky" collaboration http://grb.fuw.edu.pl

"Pi of the Sky" apparatus located at Las Campanas Observatory
imaged the region of GRB 080129 from 6:09:21 UT,
i.e. 155s after the GRB (74s after the trigger),
with 10s exposures (IR-cut filter only).
No new object has been detected within the XRT error box.

Limiting magnitude for 10s exposures is >11.8 mag.
The limit for 20 coadded images is >12.5 mag.