The long GRB 120602A (IPN; Hurley and Goldsten et al., GCN 13365, Konus-Wind; Golenetskii et al., GCN 13366) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 05:00:0.83 UT (=T0). The observed light curve shows a multi-peaked structure starting at T0+5.8 s, ending at T0+59.8 s, with a duration (T90) of about 54 seconds. The fluence in...Full Text

The IPN localized GRB 120603A (IPN; Golenetskii et al., GCN 13353, Konus-Wind; Golenetskii et al., GCN 13354) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 2012-06-03 10:32:9.80 UT (=T0). The observed light curve shows a single peak with a duration (T90) of about 0.19 seconds. The fluence in 100 - 1000 keV was 5.49 (+1.15/-4.79) x10^-7...Full Text

The short GRB 120519A (IPN; Pal'shin et al., GCN 13313, Konus-Wind; Golenetskii et al., GCN 13315) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 17:18:14.64 UT (=T0). The observed light curve shows a multi-peaked structure starting at T0-0.2 s, ending at T0+0.6 s, with a duration (T90) of about 0.72 seconds. The fluence in 100 - 1000...Full Text

The long GRB 120512A (INTEGRAL/IBIS; Mereghetti et al., GCN 13300) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 02:41:43.783 UT (=T0). The observed light curve shows a multi-peaked structure starting at T0+4 s, ending at T0+24 s, with a duration (T90) of about 20 seconds. The fluence in 100 - 1000 keV was 9.33(-1.13 +0.27) x 10^-6 erg/cm^2...Full Text

The long GRB 120514A (Swift/BAT trigger #522197 ; Siegel et al., GCN 13289) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 01:12:43.252 UT (=T0). The observed light curve shows a single peak starting at T0-2 s, ending at T0+16 s, with a duration (T90) of about 14 seconds. The fluence in 100 - 1000 keV was 1.62(-0.69, +0.50) x 10^-6 erg/cm^2...Full Text

The long GRB 120326A (Swift/BAT trigger #518626 ; Siegel et al., GCN 13105) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 01:20:31.907 UT (=T0). The observed light curve shows a single peak starting at T0-5 s, ending at T0+10 s, with a duration (T90) of about 9 seconds. The fluence in 100 - 1000 keV was 1.61(+/-0.26) x 10^-6 erg/cm^2. The...Full Text

The observation in 219 GHz was started at 2012 Mar 26, 10:15 and ended at 21:10 (UT). Our preliminary analysis shows a radio counterpart at the position of optical afterglow(GCN 13107, 13109, 13111). The averaged flux density during the observation is 3.1 +/- 0.5 mJy. Further detail analysis and monitoring are ongoing. ...Full Text

The observation was started at 17.2 hrs after the GRB. The optical afterglow (GCN 13107, 13109, 13111) is clearly detected in all of the g,r,i,z-bands. The afterglow is still keeping the brightness around r = 19.0 (at 18.7 hrs after the GRB). ...Full Text

The long GRB 120316A (GBM trigger 353549464; Fermi-LAT detection: Zheng & Akerlof, GCN 13070; IPN localization: Hurley at al., GCN 13073) was detected by the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 00:11:02 UT (=T0). The observed light curve shows a multi-peaked structure starting at T0, ending at T0+28 s with a duration (T90) of about 24 seconds...Full Text

We observed GRB 120119A (GCN 12859, Beardmore et al.) in B,V,R- bands with a 1 m telescope at Mt. Lemmon, Arizona, US. The observation began at 06:03:31 UT, ~ 2 hours after burst alert. We took 3 frames for each filter with the exposure time, 300 secs...Full Text

The Lulin 1-m telescope at Taiwan started optical observations on GRB 120118B at 1.8 hours after the BAT trigger (Littlejohns et al. GCN 12852). No optical counterpart was found at the Swift-XRT position (Osborne et al, GCN 12857). Our stacked images indicate 3-sigma limiting magnitudes of g'~21.9, r'~ 21.4 and i'~ 20.9. The calibrations were against two nearby sdss stars. This message can be...Full Text

The long GRB 120107A (Fermi-GBM trigger 347620337; Fermi-LAT detection: Zheng & Akerlof, GCN 12822; IPN triangulation: Hurley et al., GCN 12823) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 09:12:15.352 UT (=T0). The observed light curve shows a multi-peaked structure starting at T0-2 s and ending at T0+24 s with a duration (T90) of...Full Text

GCN 12791) of GRB 111228A (Ukwatta et al., GCN 12737) in R-band with a 1 m telescope at Mt. Lemmon, Arizona, US. Data were taken at 2011-12-31 UT and 2012-01-01 UT. For both of them, we detected the afterglow in stacked R-band images. We used a USNO B1 star near the afterglow, USNO-B1 1083-0199833 with R=17.28 following Klotz et al. (GCN 12746) for our photometry calibration, and current, rough...Full Text

, GCN 12737) in B- and R-bands with a 1 m telescope at Mt. Lemmon, Arizona, US. The observation started at 2011-12-30 08:03:16 UT, or 1.7 days after the BAT aleart. We detected the afterglow in the images taken with both filters. Using the the photometry calibration based on an USNO B1 star USNO-B1 1083-0199833 with B=18.85 and R=17.28 following Klotz et al. (GCN 12746), we find the...Full Text

The bright short GRB 111121A (Swift/BAT trigger 508161 ; D'Elia et al., GCN 12578) was detected by the the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 16:26:24.488 UT (=T0). The observed light curve shows a single peak structure starting at T0, ending at T0+1 s with a duration (T90) of about 0.45 seconds. The fluence in 100 - 1000 keV was 4.29(-0.41...Full Text

, GCN 12472) in R,I,z, and Y filters with a 1.0-m telescope at Mt. Lemmon, Arizona. The observation started at 10-23-07:52:02 UT, or about 14.5 hrs after the BAT alert, with total integraion of 10 min in each filter. No credible afterglow candidate was found at the enhanced XRT position (Beardmore et al. GCN 12478). We thank the LOAO operator, J. Youn for his assistance with the observation. ...Full Text

The very long, bright GRB 110903A (Mereghetti et al. GCN 12322) was detected by the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 02:39:34.298 UT (=T0). The observed light curve shows a multi-peaked structure starting at T0-57 s, ending at T0+364 s with a duration (T90) of about 340 secnds. There is a possible precursor at T0-57 s with a duration of about...Full Text

The bright, long GRB 110825A (localized by IPN; Hurley et al. GCN 12307) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 02:27:03.410 UT (=T0). The observed light curve shows multiple peaks starting at T0-3 s, ending at T0+8 s, with a duration (T90) of about 6.9 seconds. The fluence in the 100 - 1000 keV range was 1.88 +/- 0.14 x 10^-5 erg/cm^2...Full Text

The long GRB 110815A (localized by IPN; Hurley et al., GCN 12277) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 09:40:57.524 UT (=T0). The observed light curve shows two peaks starting at T0 s, ending at T0+17 s, with a duration (T90) of about 13 seconds. The fluence in 100 - 1000 keV was 2.84 (-0.04, +0.05) x 10^-5 erg/cm^2. The 1-s peak flux...Full Text

The bright long GRB 110731A (Swift/BAT trigger #458448: Oates et al. GCN 12215, also detected by Fermi-LAT: Bregeon et al. GCN 12218) triggered the Suzaku Wide-band All-sky Monitor (WAM) which covers an energy range of 50 keV - 5 MeV at 11:09:30.211 UT (=T0). The observed light curve shows multiple peaks starting at T0-1.5 s, ending at T0+7.5 s, with a duration (T90) of about 6.56 seconds. The...Full Text