| algorithm |
The index value identifying which location_calculation algorithm was used for this event |
| amplifier |
The amplifier used during the readout |
| atel_body |
The body of the Astronomer’s Telegram (ATel) notice |
| atel_from |
The originator of the ATel |
| atel_number |
The number of the ATel |
| atel_object_name |
The name of the object that is the subject of the ATel |
| atel_queries |
The authors of the ATel |
| base_mag |
The baseline/quiescent magnitude of the lensed star |
| base_mag_uncert |
The error in the baseline/quiescent magnitude value |
| binning_index |
Pixel binning |
| bkg_dur |
The duration of the background interval |
| bkg_inten |
The total number of events in the time interval used for the background subtraction of the
detector_rate_map |
| bkg_mean |
The mean value of the background level in the exposure |
| bkg_time |
The starting time of the background interval |
| categories |
List of categories of the event. See appendixb.rst for a list of categories |
| centroid_x |
X coordinate of the centroid position |
| centroid_y |
Y coordinate of the centroid position |
| circular_body |
The body of a Gamma-ray Coordinates Network (GCN) Circular notice |
| circular_from |
The author(s) of the GCN Circular |
| circular_number |
The number of the GCN Circular |
| counts |
The minimum number of events needed to calculate a proper centroid |
| cusp_width |
Einstein crossing time |
| data_interval |
The interval over which the data were accumulated |
| data_signif |
The significance level of the data in the on-going integrated data |
| data_time_scale |
Timesampling of the countrate lightcurve used during the iterative location calculation phase of
the processing |
| delta_time |
The amount of time between the ra,dec pointing samples |
| description |
Description of the event |
| det_thresh |
The detection threshold used in this exposure |
| discovery_date |
The detection/declaration date of the event |
| discovery_time |
The detection/declaration time of the event |
| e_range_hi_chan_energy |
The energy range of the high energy channel |
| e_range_hi_chan_index |
The energy range of the high energy channel index |
| e_range_lo_chan_energy |
The energy range of the low energy channel |
| e_range_lo_chan_index |
The energy range of the low energy channel index |
| ecl_coords_lat |
Ecliptic latitude of the spacecraft at the time of the observation |
| ecl_coords_long |
Ecliptic longitude of the spacecraft at the time of the observation |
| error_code |
The value for why a position was not found. The values are: 1= no source found in image,
2= algorithm did not converge, 3= standard deviation too large, and 0xFFF= general error |
| event_date |
The date of the trigger |
| event_dec |
The J2000 declination coordinate of the event in degrees |
| event_eband |
The energy band for the successful trigger criteria: 0 - undefined/unavailable,
1= Low, 2-4 keV, 2= Medium, 4-10 keV, 3= High, 10-20 keV, 4= L+M, 2-10 keV |
| event_error |
The radius of the circle that contains most of the event locations |
| event_flux |
The flux (in mCrab units) of the event during the time duration of the successful trigger criterion |
| event_id |
The SkyWatch generated id of the event |
| event_id_num |
The numeric id of the event, assigned by the observatory |
| event_ra |
The J2000 right ascension coordinate of the event in degrees |
| event_time |
The time of the trigger |
| event_tscale |
The timescale index values are: 0= undefined/unavailable, 1= 1 sec, 2= 3 sec, 3= 10 sec, 4= 30 sec,
5= 1 scan, 6= 1 orbit, 7= 4 orbits, 8= 1 day |
| expo_time |
The nominal exposure time for the image for this event |
| exposure_id |
The exposure id in spacecraft seconds |
| filter |
The filter used for the image. Values: 0= Blocked, 1= UV_Grism, 2= UVW2, 3= V, 4= UVM2,
5= Vis_Grism, 6= UVW1, 7= U, 8= Magnifier, 9= B, 10= White, 11= unknown |
| flags |
Two flag bits related to the status of the given burst wrt the Automated Target (AT) and Slewing |
| gain |
The gain of the amplifier used during the readout of the CCD. The value will be 1, 2, 4, 8, or 16.
If the gain is greater than 1, then the “object” in the image is likely due to a cosmic ray, and
not due to a GRB afterglow |
| gal_coords_lat |
Galactic latitude of the spacecraft at the time of the observation |
| gal_coords_long |
Galactic longitude of the spacecraft at the time of the observation |
| grb_date |
The date of the event |
| grb_dec |
The Declination, in decimal degrees, of the event |
| grb_error |
The error circle, in decimal degrees, of the location of the event |
| grb_inten_burst_inten |
The number of events in the 50-300 keV band averaged over the two closed detectors and
cosine-corrected |
| grb_inten_n_bright_pix |
The number of bright pixels in the image |
| grb_inten_sigma |
The intensity of the burst in sigma units |
| grb_mag |
The magnitude of the burst/afterglow |
| grb_name |
The name of the GRB |
| grb_phi |
The BAT instrument phi coordinate of the trigger (burst) as determined by the BAT flight software
program |
| grb_pos_xrt_y |
The GRB x-ray afterglow Y position in XRT coordinates |
| grb_pos_xrt_z |
The GRB x-ray afterglow Z position in XRT coordinates |
| grb_ra |
The Right Ascension, in decimal degrees, of the event |
| grb_signif |
A measure of the significance of the afterglow detection |
| grb_theta |
The BAT instrument theta coordinate of the trigger (burst) as determined by the BAT flight software
program |
| grb_time |
The time of the event |
| hard_ratio |
The hardness ratio |
| height |
The height of the image subarray |
| im_url |
The filename portion of the URL of the image. The leading path for the full URL is
http://gcn.gsfc.nasa.gov/gcn/notices_s/ |
| image_signif |
|
| image_url |
|
| img_start_date |
|
| img_start_time |
|
| inst_modes_uvot |
|
| inst_modes_xrt |
|
| integ_time |
|
| lc_live_time |
|
| lc_start_date |
|
| lc_start_time |
|
| lc_stop_date |
|
| lc_stop_time |
|
| lc_url |
|
| lead_time |
|
| livetime |
|
| loc_algorithm |
|
| loc_url |
|
| lrpd_bias |
|
| mag_limit |
|
| magnitude |
|
| max_date |
|
| max_mag |
|
| max_time |
|
| max_uncert |
|
| merit |
|
| merit_params |
|
| mode |
|
| moon_dist |
|
| moon_illum |
|
| moon_postn_dec |
|
| moon_postn_ra |
|
| most_likely_index |
|
| most_likely_prob |
|
| n_bins |
|
| n_stars |
|
| notice_date |
|
| notice_type |
|
| notice_type_description |
|
| obs_id |
Observatory name - one of MAXI, Fermi, INTEGRAL, SWIFT, MOA, KONUS, ATels, GCN Circulars |
| obs_time |
|
| ph2_iter |
|
| photo_thresh |
|
| point_dec |
|
| point_ra |
|
| point_roll |
|
| portfolio_id |
Portfolio ID of the portfolio that contains this event |
| rate_signif |
|
| record_num |
|
| redshift |
The redshift of the event |
| region_dec |
|
| region_error |
|
| region_ra |
|
| region_source |
|
| roll |
|
| sc_dec |
|
| sc_ra |
|
| second_most_likely_index |
|
| second_most_likely_prob |
|
| sl_url |
|
| slew_query |
|
| soln_status |
|
| sourcexml |
The raw VOEvent XML of the event that SkyWatch received |
| spec_start_date |
|
| spec_start_time |
|
| spec_stop_date |
|
| spec_stop_time |
|
| spec_url |
|
| src_dec |
|
| src_id_num |
|
| src_ra |
|
| std_dev |
|
| sun_angle |
|
| sun_dist |
|
| sun_postn_dec |
|
| sun_postn_ra |
|
| tam0_x_tam_1 |
|
| tam1_y_tam_1 |
|
| tam2_x_tam_2 |
|
| tam3_y_tam_2 |
|
| term_cond |
|
| time_detected |
The UTC date and time that the event was detected. |
| tp_expo_time |
|
| tp_start_date |
|
| tp_start_time |
|
| tp_url |
|
| trigger_dur |
|
| trigger_index |
|
| trigger_num |
|
| trigger_signif |
|
| u0 |
|
| u0_uncert |
|
| wait_time |
|
| waveform |
The waveform number of the readout |
| width |
The width of the image subarray |
| x_grb_pos |
|
| x_max |
|
| x_offset |
|
| xrt_thresholded_pixels |
|
| y_grb_pos |
|
| y_max |
|
| y_offset |
|