From vxw@capella.gsfc.nasa.gov Thu Dec 16 17:05:27 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 RAA00199 for ; Thu, 16 Dec 1999 17:05:27 -0500 (EST) Received: by capella.gsfc.nasa.gov (5.65/1.34) id AA12130; Thu, 16 Dec 99 17:05:25 -0500 Date: Thu, 16 Dec 99 17:05:25 -0500 From: vxw@capella.gsfc.nasa.gov (Bacodine) Message-Id: <9912162205.AA12130@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 16 Dec 99 22:00:37 UT NOTICE_TYPE: RXTE-PCA TRIGGER_NUM: 7906 GRB_DATE: 11528 TJD; 350 DOY; 99/12/16 GRB_TIME: 58021.37 SOD {16:07:01.37} UT GRB_LOCBURST_RA: 79.81d {+05h 19m 14s} (J2000) GRB_LOCBURST_DEC: +10.79d {+10d 47' 24"} (J2000) COMMENTS: RXTE-PCA WILL observe this LOCBURST GRB location. COMMENTS: The RXTE-PCA observation will start at 99/12/16 19:55:27.00 UT. COMMENTS: RXTE is going to scan 6(R.A.) x 1(Dec.) deg. region COMMENTS: Scan observation was already done. Quick look result follows. COMMENTS: Toshi Takeshima From vxw@capella.gsfc.nasa.gov Thu Dec 16 17:54:59 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 RAA01158 for ; Thu, 16 Dec 1999 17:54:58 -0500 (EST) Received: by capella.gsfc.nasa.gov (5.65/1.34) id AA15412; Thu, 16 Dec 99 17:54:56 -0500 Date: Thu, 16 Dec 99 17:54:56 -0500 From: vxw@capella.gsfc.nasa.gov (Bacodine) Message-Id: <9912162254.AA15412@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 16 Dec 99 22:49:22 UT NOTICE_TYPE: RXTE-PCA TRIGGER_NUM: 7906 GRB_DATE: 11528 TJD; 350 DOY; 99/12/16 GRB_TIME: 58021.37 SOD {16:07:01.37} UT GRB_RXTE_RA: 77.38d {+05h 09m 31s} (J2000), 77.38d {+05h 09m 31s} (current), 76.69d {+05h 06m 45s} (1950) GRB_RXTE_DEC: +11.19d {+11d 11' 24"} (J2000), +11.19d {+11d 11' 24"} (current), +11.13d {+11d 07' 39"} (1950) GRB_RXTE_ERROR: 0.040 [deg radius, statistical only] GRB_RXTE_INTEN: 5.00 [mCrab] SUN_POSTN: 263.74d {+17h 34m 58s} -23.31d {-23d 18' 50"} SUN_DIST: 166.45 [deg] MOON_POSTN: 3.66d {+00h 14m 39s} -3.28d {-03d 16' 53"} MOON_DIST: 74.72 [deg] PROG_LEVEL: 3 COMMENTS: RXTE-PCA GRB Coordinates. COMMENTS: The RXTE-PCA observation started at 99/12/16 19:55:27.00 UT. COMMENTS: A previously unknown xray source of COMMENTS: about 5 mCrab level was detected COMMENTS: during the two scans with RXTE/PCA COMMENTS: around the BATSE/LOCBURST position. COMMENTS: Two scans are parallel or near parallel COMMENTS: to equator, so the determination of R.A COMMENTS: is much better than Decl. The Decl. is COMMENTS: determined assuming the source was COMMENTS: constant during the two scan peaks COMMENTS: separated by about 240-sec. COMMENTS: Short-term variability of the source COMMENTS: could lead to an error of a few tenths COMMENTS: of a degree in Decl. COMMENTS: T.Takeshima, C.B.Markwardt, & F.E.Marshall (GSFC) COMMENTS: and T.Giblin & R.M. Kippen (UAH/MSFC) From vxw@capella.gsfc.nasa.gov Fri Dec 17 02:30:50 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 CAA29698 for ; Fri, 17 Dec 1999 02:30:50 -0500 (EST) Received: by capella.gsfc.nasa.gov (5.65/1.34) id AA16505; Fri, 17 Dec 99 02:30:48 -0500 Date: Fri, 17 Dec 99 02:30:48 -0500 From: vxw@capella.gsfc.nasa.gov (Bacodine) Message-Id: <9912170730.AA16505@capella.gsfc.nasa.gov> To: bacodine@lheawww.gsfc.nasa.gov Subject: GCN/RXTE_PCA_POSITION TITLE: GCN/RXTE_PCA BURST POSITION NOTICE NOTICE_DATE: Fri 17 Dec 99 07:25:18 UT NOTICE_TYPE: RXTE-PCA TRIGGER_NUM: 7906 GRB_DATE: 11528 TJD; 350 DOY; 99/12/16 GRB_TIME: 58021.37 SOD {16:07:01.37} UT GRB_RXTE_RA: 77.38d {+05h 09m 31s} (J2000), 77.38d {+05h 09m 31s} (current), 76.69d {+05h 06m 44s} (1950) GRB_RXTE_DEC: +11.31d {+11d 18' 36"} (J2000), +11.31d {+11d 18' 36"} (current), +11.25d {+11d 14' 51"} (1950) GRB_RXTE_ERROR: 0.080 [deg radius, statistical only] GRB_RXTE_INTEN: 1.10 [mCrab] SUN_POSTN: 263.74d {+17h 34m 58s} -23.31d {-23d 18' 50"} SUN_DIST: 166.55 [deg] MOON_POSTN: 3.66d {+00h 14m 39s} -3.28d {-03d 16' 53"} MOON_DIST: 74.73 [deg] PROG_LEVEL: 3 COMMENTS: RXTE-PCA GRB Coordinates. COMMENTS: The RXTE-PCA observation started at 99/12/17 02:15:37.00 UT. COMMENTS: Previously reported RXTE/PCA X-ray COMMENTS: source was detected again during COMMENTS: followup scans six hours later, a COMMENTS: factor of ~5 fainter (2-10 keV). In COMMENTS: this observation scans were primarily COMMENTS: along Decl., and thus the R.A. was fixed COMMENTS: at its previously reported value. Position COMMENTS: uncertainties are estimated to be COMMENTS: 0.04 deg in R.A. and 0.08 deg in COMMENTS: Decl. COMMENTS: C.B.Markwardt, T.Takeshima & F.E.Marshall (GSFC) COMMENTS: and T.Giblin & R.M. Kippen (UAH/MSFC)