{
  "bibcode": "2007GCN..6097....1H",
  "body": "J. P. Halpern, N. Mirabal (Columbia U.), & J. R. Thorstensen (Dartmouth)\nreport on behalf of the MDM Observatory GRB follow-up team:\n\n\"We observed the field of GRB 070129 (Godet et al., GCNs 6053, 6056) in\nthe I-band using the MDM 2.4m telescope on Jan. 30 from 02:14-02:43 UT,\nor 2.65-3.14 hr after the burst.  The optical transient (OT) discovered\nwith the VLT at 2.15 hr post-burst (Malesani et al., GCNs 6055, 6070)\nwith R~21.3 is also present in our images, with magnitude I=20.60+/-0.04.\nThe latter is referenced to a star 27\" west of the OT that has I=17.57\nin the USNO B1.0 catalog.  An image is posted at\n\nhttp://www.astro.columbia.edu/~jules/grb/070129\n\nThis message may be cited.\"",
  "circularId": 6097,
  "createdOn": 1171227246000,
  "email": "jules@astro.columbia.edu",
  "subject": "GRB 070129: MDM I-band Detection",
  "submitter": "Jules Halpern at Columbia U.  <jules@astro.columbia.edu>",
  "eventId": "GRB 070129"
}