//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 15 Apr 13 12:02:10 UT
NOTICE_TYPE:     Swift-BAT Monitor Alert
SOURCE_OBJ:      Mrk 421
REF_NUM:         1
RA:              166.114d {+11h 04m 27s} (J2000),
                 166.128d {+11h 04m 31s} (current),
                 165.419d {+11h 01m 41s} (1950)
DEC:             +38.209d {+38d 12' 32"} (J2000),
                 +38.204d {+38d 12' 13"} (current),
                 +38.479d {+38d 28' 44"} (1950)
CURR_FLUX:       0.0166 [cnts/cm2/sec]   73.00 [mCrab]
BASELINE_FLUX:   0.0013 [cnts/cm2/sec]
SIGNIF:          6.46 [sigma]
OUTBURST_DATE:   11910 TJD;   -4382 DOY;   13/01/-4382
OUTBURST_TIME:   13.00 SOD {00:00:13.00} UT
SAMPLING:        Daily
SRC_TYPE:        Known
SOLN_STATUS:     0x4
FLAGS:           0x40002001
LC_URL:          http://swift.gsfc.nasa.gov/docs/swift/results/transients/weak/Mrk421
SUN_POSTN:        23.81d {+01h 35m 14s}   +9.93d {+09d 55' 34"}
SUN_DIST:        120.40 [deg]   Sun_angle= -9.5 [hr] (East of Sun)
MOON_POSTN:       82.18d {+05h 28m 43s}  +20.10d {+20d 05' 55"}
MOON_DIST:        73.12 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      179.83, 65.03 [deg] galactic lon,lat of the known-source transient
ECL_COORDS:      151.22, 29.50 [deg] ecliptic lon,lat of the known-source transient
COMMENTS:        SWIFT-BAT Monitor.  
COMMENTS:        This Notice indicates the start/onset of the outburst.  
COMMENTS:        This is an outburst from a previously known source.  
COMMENTS:        This Notice was ground-processed from flight-data.  
COMMENTS:        There is a bright star (mag=0.00) 0.00 arcmin from this position.