From vxw@capella.gsfc.nasa.gov Thu May 6 09:48:36 1999 Received: from capella.gsfc.nasa.gov (capella.gsfc.nasa.gov [128.183.219.100]) by lheawww.gsfc.nasa.gov (8.9.1a/8.9.1) with SMTP id JAA32016 for ; Thu, 6 May 1999 09:48:36 -0400 (EDT) Received: by capella.gsfc.nasa.gov (5.65/1.34) id AA00724; Thu, 6 May 99 09:48:34 -0400 Date: Thu, 6 May 99 09:48:34 -0400 From: vxw@capella.gsfc.nasa.gov (Bacodine) Message-Id: <9905061348.AA00724@capella.gsfc.nasa.gov> To: bacodine@lheawww.gsfc.nasa.gov Subject: GCN/RXTE_PCA_ALERT TITLE: GCN/RXTE_PCA BURST ALERT NOTICE NOTICE_DATE: Thu 06 May 99 13:44:27 UT NOTICE_TYPE: RXTE-PCA TRIGGER_NUM: 7549 GRB_DATE: 11304 TJD; 126 DOY; 99/05/06 GRB_TIME: 41010.94 SOD {11:23:30.94} UT GRB_LOCBURST_RA: 178.14d {+11h 52m 34s} (J2000) GRB_LOCBURST_DEC: -26.24d {-26d 14' 23"} (J2000) COMMENTS: RXTE-PCA WILL observe this LOCBURST GRB location. COMMENTS: The RXTE-PCA observation will start at 99/05/06 14:25:28.00 UT. COMMENTS: RXTE is going to scan 8(R.A.) x 6(Dec.) deg. region COMMENTS: The scans will start at 14:33(UT). COMMENTS: Toshi Takeshima From vxw@capella.gsfc.nasa.gov Thu May 6 13:32:01 1999 Received: from capella.gsfc.nasa.gov (capella.gsfc.nasa.gov [128.183.219.100]) by lheawww.gsfc.nasa.gov (8.9.1a/8.9.1) with SMTP id NAA32397 for ; Thu, 6 May 1999 13:32:00 -0400 (EDT) Received: by capella.gsfc.nasa.gov (5.65/1.34) id AA03151; Thu, 6 May 99 13:31:59 -0400 Date: Thu, 6 May 99 13:31:59 -0400 From: vxw@capella.gsfc.nasa.gov (Bacodine) Message-Id: <9905061731.AA03151@capella.gsfc.nasa.gov> To: bacodine@lheawww.gsfc.nasa.gov Subject: GCN/RXTE_PCA_POSITION TITLE: GCN/RXTE_PCA BURST POSITION NOTICE NOTICE_DATE: Thu 06 May 99 17:27:37 UT NOTICE_TYPE: RXTE-PCA TRIGGER_NUM: 7549 GRB_DATE: 11304 TJD; 126 DOY; 99/05/06 GRB_TIME: 41010.94 SOD {11:23:30.94} UT GRB_RXTE_RA: 178.80d {+11h 55m 12s} (J2000), 178.79d {+11h 55m 10s} (current), 178.16d {+11h 52m 39s} (1950) GRB_RXTE_DEC: -26.50d {-26d 29' 59"} (J2000), -26.50d {-26d 29' 46"} (current), -26.22d {-26d 13' 17"} (1950) GRB_RXTE_ERROR: 0.500 [deg radius, statistical only] GRB_RXTE_INTEN: 1.50 [mCrab] SUN_POSTN: 43.04d {+02h 52m 09s} +16.48d {+16d 28' 59"} SUN_DIST: 137.85 [deg] MOON_POSTN: 290.74d {+19h 22m 57s} -19.72d {-19d 43' 03"} MOON_DIST: 99.46 [deg] PROG_LEVEL: 3 COMMENTS: RXTE-PCA GRB Coordinates. COMMENTS: The RXTE-PCA observation started at 99/05/06 14:25:28.00 UT. COMMENTS: RXTE/PCA detected 1.5 mCrab source during COMMENTS: the scans at around RA=178.8 and Dec=-26.5. COMMENTS: The position uncertainty is 0.5 degree at COMMENTS: the present time. We are working to refine the COMMENTS: position. The source is also detected during a COMMENTS: pointing at the LOCBURST position, which indicates COMMENTS: the source is within one degree of the COMMENTS: LOCBURST position. The measured flux is much COMMENTS: brighter than any catalogued X-ray source. COMMENTS: F.Marshall & T.Takeshima From vxw@capella.gsfc.nasa.gov Thu May 6 16:34:01 1999 Received: from capella.gsfc.nasa.gov (capella.gsfc.nasa.gov [128.183.219.100]) by lheawww.gsfc.nasa.gov (8.9.1a/8.9.1) with SMTP id QAA03336 for ; Thu, 6 May 1999 16:34:01 -0400 (EDT) Received: by capella.gsfc.nasa.gov (5.65/1.34) id AA05185; Thu, 6 May 99 16:33:59 -0400 Date: Thu, 6 May 99 16:33:59 -0400 From: vxw@capella.gsfc.nasa.gov (Bacodine) Message-Id: <9905062033.AA05185@capella.gsfc.nasa.gov> To: bacodine@lheawww.gsfc.nasa.gov Subject: GCN/RXTE_PCA_POSITION TITLE: GCN/RXTE_PCA BURST POSITION NOTICE NOTICE_DATE: Thu 06 May 99 20:29:37 UT NOTICE_TYPE: RXTE-PCA TRIGGER_NUM: 7549 GRB_DATE: 11304 TJD; 126 DOY; 99/05/06 GRB_TIME: 41010.94 SOD {11:23:30.94} UT GRB_RXTE_RA: 178.69d {+11h 54m 46s} (J2000), 178.68d {+11h 54m 44s} (current), 178.05d {+11h 52m 13s} (1950) GRB_RXTE_DEC: -26.76d {-26d 45' 35"} (J2000), -26.76d {-26d 45' 22"} (current), -26.48d {-26d 28' 53"} (1950) GRB_RXTE_ERROR: 0.100 [deg radius, statistical only] GRB_RXTE_INTEN: 1.50 [mCrab] SUN_POSTN: 43.04d {+02h 52m 09s} +16.48d {+16d 28' 59"} SUN_DIST: 137.73 [deg] MOON_POSTN: 290.74d {+19h 22m 57s} -19.72d {-19d 43' 03"} MOON_DIST: 99.42 [deg] PROG_LEVEL: 3 COMMENTS: RXTE-PCA GRB Coordinates. COMMENTS: The RXTE-PCA observation started at 99/05/06 14:25:28.00 UT. COMMENTS: This is a preliminary determination of the position COMMENTS: assuming little variation in source intensity COMMENTS: between the RXTE scan at 16:00 and the scan at 16:20. COMMENTS: The position is consistent with the annulus COMMENTS: reported in the GCN/IPN Notice for GRB990506 (Trig=7549). COMMENTS: A later observation at 18:50 shows that the X-ray source COMMENTS: is dimming. COMMENTS: T.Takeshima & F.Marshall