Gamma-ray Burst 041015

(All information courtesy of the instrument teams.)

Previous IAU Circulars

• none

• GCN/BACODINE POSITION NOTICE
  

  
  TITLE:          GCN/INTEGRAL NOTICE
  NOTICE_DATE:    Fri 15 Oct 04 13:07:49 UT
  NOTICE_TYPE:    INTEGRAL Offline
  TRIGGER_NUM:    2019,   Sub_Num: 0
  GRB_RA:           4.6533d {+00h 18m 37s} (J2000),
                    4.7198d {+00h 18m 53s} (current),
                    3.9642d {+00h 15m 51s} (1950)
  GRB_DEC:        +66.8602d {+66d 51' 37"} (J2000),
                  +66.8868d {+66d 53' 12"} (current),
                  +66.5826d {+66d 34' 57"} (1950)
  GRB_ERROR:      2.70 [arcmin, radius, statistical only]
  GRB_INTEN:      7.00 [sigma]
  GRB_TIME:       40341.29 SOD {11:12:21.29} UT
  GRB_DATE:       13293 TJD;   289 DOY;   04/10/15
  SC_RA:          343.10 [deg] (J2000)
  SC_DEC:          64.08 [deg] (J2000)
  SUN_POSTN:      200.75d {+13h 23m 01s}   -8.73d {-08d 43' 57"}
  SUN_DIST:       120.83 [deg]
  MOON_POSTN:     217.28d {+14h 29m 06s}  -15.35d {-15d 21' 11"}
  MOON_DIST:      124.23 [deg]
  GAL_COORDS:     119.71,  4.19 [deg] galactic lon,lat of the burst
  ECL_COORDS:      45.24, 56.20 [deg] ecliptic lon,lat of the burst
  COMMENTS:       INTEGRAL GRB Coordinates.  
  COMMENTS:       generated manually  
  

• red DSS finding chart ps-file
  
  
• GCN notice #2805
  S. Mereghetti, D. Gotz (IASF, Milano), M.Beck, S.Shaw, N.Mowlavi (ISDC), J.Borkowski (CAMK, Torun) on behalf of the IBAS Localization Team report
  A faint, 30 s long GRB has been detected with the INTEGRAL Burst Alert System (IBAS) on October 15 at 11:11:30 UT. The GRB has been detected with IBIS/ISGRI in the 15-200 keV band but with a significance below the threshold for automatic delivery of the IBAS Alert Packets.
  Its coordinates (J2000) are:

  R.A. =   0h   18m 37s
  Dec. = +66d   51' 37''
  

  with an uncertainty of 3 arcmin (90% c.l. radius)
  The preliminary analysis indicates a peak flux of 0.2 photons/cm2/s (3.6e-8 erg/cm2/s) in the 20-200 keV range (1 sec integration)
  This message can be cited.
• GCN notice #2806
  T. Mizuno, Y. Arai, F. Sato (Tokyo Gakugei Univ), M. Isogai and Y. Urata on behalf on Kiso GRB team report:
  " We have observed the entire INTEGRAL error circle of GRB041015 (S. Mereghetti et al., GCN 2805) with the Kiso observatory 1.05 Schmidt telescope started at 13:40 UT (0.10255 days after the burst). We obtained six R-band images with 300 sec exposure. The upper limit is about R~21 mag. estimated from several USNO-B1.0 catalogue. Comparison with DSS II red image, we can not find new objects brighter than the limit of DSS image."
  This message may be cited.
• GCN notice #2807
  K. Torii and Yuuichi Fukazawa (Osaka University) report:
  The entire error region of GRB 041015 (Mereghetti, et al., GCN 2805) was observed with the 14-inch Automated Response Telescope at Osaka University. The observation started at 2004 October 15 13:08:48 UT (59-s after the IBAS packet time) and 60-s integration was repeated.
  We stacked 20 unfiltered images obtained between 13:10 and 13:31 UT and compared it with the USNO-A2.0(R) catalog. No new source brighter than R~17.7 mag was identified.
• GCN notice #2809
  E.Sonoda,S.Maeno,Y.Matsuo,M.Yamauchi (University of Miyazaki)
  "We have observed the field covering the error box of GRB041015 (INTEGRAL trigger 2019) with the unfiltered CCD camera on the 30-cm telescope at University of Miyazaki.The observation was started 16:14:19 UT on Oct.15. Observed field of view is 43 arcmin centered on R.A.=00h 19m 30.97s Dec.=+66d 40' 32.1". We have compared our images with the USNO A2.0 catalog.Preliminary analysis shows there is no new source brighter than 17.3mag. in the GRB error box reported by S.Mereghetti et al.(GCN2805)."
• GCN notice #2810
  V. Lipunov, A.Krylov, V.Kornilov, G.Borisov, D.Kuvshinov, A.Belinski, M.Kuznetsov, S.Potanin, G.Antipov, E.Gorbovskoy, N.Tyurina Sternberg Astronomical Institute, Alexandr Krylov Observatory, Moscow
  At 4h 15m after INTEGRAL GRB trigger time (alert 2019) MASTER robotic telescope (http://observ.pereplet.ru) had imaging the corresponding area of the sky under the nice weather conditions. The first image was started at 15h23m UT.
  We have 20 unfiltered images of the error box (30s exposition, 2.4 x 2.4 degrees, 355 mm telescope, Alta U16 CCD camera). We can not find new stars with respect to DSS2 red images (R<21m).
  Sum FITS image are available at
  http://observ.pereplet.ru/images/GRB041015/
  This message may be cited.
• GCN notice #2812
  Kuntal Misra and S. B. Pandey (ARIES NainiTal), on behalf of larger Indian GRB collaboration
  We observed the GRB 041015 field (INTEGRAL trigger 2019) with 1.04m reflector at ARIES NainiTal, starting at Oct 15.6424 UT. Co-added R_c frame (2 x 900 sec) did not reveal any new source within error-box upto ~ 20 mag, in comparison with nearby USNO-A2.0 stars.
  This message can be cited.
• GCN notice #2815
  Takuya Murata (Rikubetsu Astronomical Observatory) and K. Torii (Osaka U.) report:
  The entire error region of GRB 041015 (Mereghetti, et al., GCN 2805) was observed with the 1.15-m Rikuri telescope of the Rikubetsu Astronomical Observatory, Hokkaido, Japan.
  7 x 60-s and 1 x 300-s unfiltered frames were obtained between 2004 Oct. 15, 14:37 UT and 16:39 UT. Comparison of the first 60-s frame with the DSS2 red frame does not reveal a new source brighter than about 20.0 mag (USNO-A2.0 R).
• GCN notice #2825
  M. Isogai(Tokyo Univ.), T. Mizuno, Y. Arai, F. Sato(Tokyo Gakugei Unive.), Y. Urata, T. Tamagawa(RIKEN), K.Y Huang(NCU), on behalf of an east Asian collaboration report:
  " We have carried out R-band imaging observation for the entire INTEGRAL error region (S. Mereghetti et al., GCN 2805) at Kiso observatory. We have obtained totally 9 R-band images with 300 sec exposures started at 15.558 UT (0.103 days after the burst, Mizuno et al., GCN2806) and 15.782 UT (0.327 days after the burst). Comparing with two epoch our data, there is no variable source down to R~ 21.9. The upper limit is estimated from several USNO-B1.0 catalogue stars."
  This message may be cited.
• GCN notice #2828
  V.Rumyantsev (CrAO), V.Biryukov (SAI, MSU), A.Pozanenko (IKI) report:
  We have observed the error box of GRB041015 (INTEGRAL trigger 2019) with 2.6m telescope of Crimean Astrophysical Observatory. Six R-band images with 120 sec exposure were taken between (UT) Oct.16 21:25 - 21:38 under moderate weather conditions. The observed fields was 2.4x1.6 arcminutes centered at the error box. The upper limit of combined image is R~22.0 mag. as estimated from several stars USNO-A2.0 catalog. Comparison with DSS2 red plate does not reveal any new objects brighter than ~20 mag.
  The combined image is available at http://grb.rssi.ru/GRB041015/
  This message may be cited.
• GCN notice #2834
  K. Kinugasa and E. Nishihara (Gunma Astronomical Observatory) report:
  The entire INTEGRAL error circle of GRB041015 (S. Mereghetti et al., GCN 2805) was observed in J-, H-, and Ks-band with the 1.5-m telescope and the IR Camera at Gunma Astronomical Observatory, Gunma, Japan. The observation started at 13:53:15 UT (162 min after the burst) on the night of 2004 October 15.
  We stacked 20 x 10-s J-band, 50 x 5-s H-band, and 50 x 5-s Ks-band frames and compared them with 2MASS JHKs images. We found no new source brighter than J=16.6, H=16.0, and Ks=15.6, which are near the limits of 2MASS catalog.
  This message may be cited.