[vsnet-grb 230643] Fermi-GBM Location Maps added to GCN

Thu May 1 04:57:42 JST 2014

TO:  All GCN Notice recipients
RE:  Fermi-GBM Lightcurves added
DT:  30 Apr 2014

INTRODUCTION:
The GCN system has been modified to incorporate the distribution
location maps for Fermi-GBM triggers.  URL link information has been added
to the full-format form of the GBM_FINAL email notices, the 160-byte
binary socket packets, and to the various forms of VOEvents.

WHICH NOTICES and AVAILABILITY DELAY:
These lightcurve URLs are included in the notice types
listed in the table below:

   TYPE                 PKT_NUM     DELAY [min]
   ==================   =======     ===========
   GBM_FIN_POS           115          1-15 min
where the "DELAY" is the time between the issuing of the FINAL notice type
and the availability of the location map product.

THE LOCATION MAP URL:
The url included in the email is of the form:
    http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/20YY/bnYYMMDDFFF/quicklook/glg_locplot_all_bnYYMMDDFFF.png
and here is a real example (the YY, YYMMDDFFF parts have been replaced with real values):
    http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2014/bn140405033/quicklook/glg_locplot_all_bn140405033.png
Once this string is built, then you can use the 'wget' command (or similar) to retrieve the lightcurve file:
    wget  http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2014/bn140405033/quicklook/glg_locplot_all_bn140405033.png

OTHER LOCATION MAP DATA IS ALSO AVAILABLE:
The 1,2,3-sigma contours shown in the png file are also available in text form:
    http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2014/bn140405033/quicklook/glg_locplot_all_bn140405033.txt
It contains RA,Dec pairs sampled along the 3 contours.  This text form of the location map
is more appropriate for robotic operations to construct a series of tiling observations on the sky.
There is also a readme file explaining the contents of these 2 data products:
    http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/20YY/bnYYMMDDFFF/quicklook/README

ACTION ITEM:
There is no action needed on your part.  If you are already receiving
the Fermi-GBM_FINAL notice type, then the location map link information
is already included in what you are receiving.  (Of course, you can always
change your configuration to enable or disable any of these Fermi-GBM
notice types.  And you make any other changes to your configuration.)

MORE INFORMATION:
Can be found at:  http://gcn.gsfc.nasa.gov/gcn/fermi.html

NOTICE EXAMPLE:
Here are examples of a full-format email Fermi-GBM_FINAL_POS:

/////////////////////////////////////// Fermi-GBM e-mail format //////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Sat 05 Apr 14 02:34:33 UT
NOTICE_TYPE:     Fermi-GBM Final Position
RECORD_NUM:      0
TRIGGER_NUM:     418351625
GRB_RA:          119.100d {+07h 56m 24s} (J2000),
                 119.248d {+07h 56m 59s} (current),
                 118.583d {+07h 54m 20s} (1950)
GRB_DEC:         -26.890d {-26d 53' 23"} (J2000),
                 -26.929d {-26d 55' 42"} (current),
                 -26.756d {-26d 45' 19"} (1950)
GRB_ERROR:       3.92 [deg radius, statistical only]
GRB_DATE:        16752 TJD;    95 DOY;   14/04/05
GRB_TIME:        2822.52 SOD {00:47:02.52} UT
GRB_PHI:           5.25 [deg]
GRB_THETA:        10.89 [deg]
E_RANGE:         50.000 - 300.000 [keV]
LOC_ALGORITHM:   415 (Gnd S/W Version number)
SUN_POSTN:        14.04d {+00h 56m 09s}   +6.00d {+06d 00' 04"}
SUN_DIST:        106.26 [deg]   Sun_angle= -7.0 [hr] (East of Sun)
MOON_POSTN:       79.82d {+05h 19m 16s}  +18.92d {+18d 55' 24"}
MOON_DIST:        59.70 [deg]
MOON_ILLUM:      29 [%]
GAL_COORDS:      244.02,  0.90 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      129.03,-46.46 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2014/bn140405033/quicklook/glg_lc_medres34_bn140405033.png
LOC_URL:         http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2014/bn140405033/quicklook/glg_locplot_all_bn140405033.png
COMMENTS:        Fermi-GBM Final Position.
COMMENTS:        This Notice was ground-generated -- not flight-generated.
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.
COMMENTS:        The LOC_URL file will not be created until 30-45 min after this FINAL notice.
//////////////////////////////////////////////////////////////////////////////////////////

The socket packets contents can be found at:
http://gcn.gsfc.nasa.gov/gcn/sock_pkt_def_doc.html
The YYMMDD is stored in slot 31, and the fraction-of-day FFF is stored in slot 32.

REMINDER OF RECENT ADDITIONS TO GCN:
In case you have missed them, here is a brief list of the most recent additions
to the GCN system.  You might consider signing up for these Notice types as well.
The full announcements/descriptions for each of these can be found at:  http://gcn.gsfc.nasa.gov/gcn/whats_new.html
FERMI_GBM LIGHTCURVE (Apr 2014)        // Inclusion of Lightcurve URL in Fermi-GBM notice type
FERMI_LAT_OFFLINE (Feb 2014)           // LAT detections found in off-line ground processing
SUZAKU_LIGHTCRVE (Nov 2013)            // Lightcurves from Suzaku-WAM
IPN_RAW resumes (Aug 2012)             // IPN Team resumes producing the IPN_RAW notices
SWIFT_BAT_SUB_SUB_THRESHOLD (May 2012) // Swift-BAT Triggers with very low significance; use for temporal coincidences
VOEvent Direct Server (Mar 2012)       // Added 3 VOEvent servers to allow for direct distribution of VOEvents
FERMI_LAT_MON/_TRANS (Aug 2011)        // Flare-ups from known sources monitored by Fermi-LAT & non-GRB transients
FERMI_LAT_GND (Aug 2011)               // Automated ground processing to get GRB positions
MOA  (Aug 2011)                        // Locations of up-coming gravitational lensing events
DOW_TOD  (Jun 2011)                    // Preprogrammed notices at specific days-of-week & time-of-day
FERMI_GBM FIN_POS  (Jun 2011)          // Human-in-the-loop ground-based analysis
MAXI_UNKNOWN/_KNOWN (Apr 2011)         // Unknown transients & Flare-ups from Known sources
INTEGRAL_WEAK  (Feb 2011)              // Subthreshold detections by INTEGRAL
SWIFT_BAT_MONITOR (Feb 2010)           // Flare-ups from known sources monitored by Swift-BAT

Sincerely,
Scott

Scott Barthelmy                      NASA-GSFC, Code 661, Greenbelt, MD   20771
PHONE:  301-286-3106                 (office)       CELL:   301-346-3733
EMAIL:  scott at lheamail.gsfc.nasa.gov
PAGER:  3013463733 at cingularme.com
WEB:    http://gcn.gsfc.nasa.gov/gcn

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