| rootname |
Dataset |
Unique identifier for exposure |
u2640101t, u2640101t, ... , ubak1208m, ubak1208m |
string |
| targname |
JPL Horizons Target Name |
Target name used to query JPL Horizons ephemeris server |
18, 29, ... , URSULA, VESTA |
integer |
| target |
Original Target |
Original target name specified by observer |
EUROPA, NEPTUNE, ... , WIRTANEN, WOLF |
string |
| target_descr |
Target Description |
Alternate target designators |
asteroid, asteroid 18, ... , satellite; io, solar system;planet neptune |
string |
| observationDate |
Observed Date-Time |
Exposure start date and time |
1/24/94 5:01, 1/24/94 6:53, ... , 5/8/09 16:25, 5/8/09 19:37 |
datetime |
| expstart |
Observation Time (MJD) |
Exposure start date and time (MJD) |
49376.20923, 49376.22381, ... , 54959.80917, 54959.81751 |
float |
| instrume |
Instrument |
The instrument used to capture the image |
WFPC2 |
string |
| detector |
Main Detector |
CCD utilized in capturing the target |
1, ... , 4 |
integer |
| filnam1 |
Filter #1 |
Filter used to restrict wavelengths of light |
F1042M, F130LP, ... , FR868N, FR868N18 |
string |
| exptime |
Exposure Time |
Exposure/integration time (seconds) |
0.109999999, 0.5, ... , 1000, 1500 |
float |
| atodgain |
A/D Gain |
Analog to digital conversion (electrons/count) |
7, 15 |
integer |
| orientat |
Detector Orientation |
Orientation of the detector, position angle of y-axis |
-178.012819757114, ... , 178.945283301026 |
float |
| ra |
Target RA |
Equatorial RA of the target (more accurate than ra_targ) |
2.540291667, 2.610958333, ... , 355.2229583, 359.952625 |
ra |
| dec |
Target DEC |
Equatorial DEC of the target (more accurate than dec_targ) |
-83.61916667, 3.083166667, ... , 73.36755556, 78.69655556 |
dec |
| sunAngle |
Sun Angle |
Angle between sun and V1 axis, in degrees |
46.584255, 50.326576, ... , 179.893463, 179.965729 |
float |
| ang_dia |
Angular Diameter |
Angular diameter of target (arcseconds) |
0.000251, 0.000403, ... , 49.74686, 2005.61 |
float |
| phase_ang |
Phase Angle |
Sun-target-observer angle (degrees) |
0.0036, 0.0121, ... , 109.7563, 110.9988 |
float |
| helio_range |
Heliocentric Range |
Sun-target distance (AU) |
0.719715787, ... , 96.80665362 |
float |
| ob_lon |
Sub-Observer Longitude |
Sub-observer longitude (degrees) |
0.01, ... , 359.98 |
float |
| pi |
P.I. |
The last name of the principal investigator of the proposal |
a'hearn, bagenal, ... , young, zellner |
string |
| proposid |
Proposal ID |
The associated phase 2 proposal ID |
5167, 5215, ... , 11972, 11990 |
integer |
| linenum |
Line Number |
The visit and line number of the phase 2 proposal |
1, 1.001, ... , U9.001, V1.003 |
string |
| date_obs |
Date Observed |
Date observed, in format M/D/YY |
1/24/94, 3/9/94, ... , 4/26/09, 5/8/09 |
string |
| time_obs |
Time Observed |
Time observed, in format H:MM:SS (military) |
0:00:14, 0:07:16, ... , 23:53:15, 23:59:17 |
string |
| filnam2 |
Filter #2 |
Second filter (if used) |
F130LP, F160BN15, ... , F165LP, F336W |
string |
| ra_targ |
Original RA |
Target's equatorial RA |
1.599166667, ... , 359.9475976 |
ra |
| dec_targ |
Original DEC |
Target's equatorial DEC |
-83.61915283, ... , 78.69986464 |
dec |
| ecl_ra |
Ecliptic RA |
Target's ecliptic RA |
0.328443, ... , 359.687853 |
ra |
| ecl_dec |
Ecliptic DEC |
Target's ecliptic DEC |
-84.708279, ... , 69.906772 |
dec |
| gal_ra |
Galactic RA |
Target's galactic RA |
0.013054, ... , 359.911512 |
ra |
| gal_dec |
Galactic DEC |
Target's galactic DEC |
-84.527358, ... , 77.873821 |
dec |
| PA_V3 |
Position Angle |
HST orientation (degrees) |
0.115328, ... , 358.758698 |
float |
| ra_sun |
Sun RA |
Sun's equatorial RA |
0.2875499913448, ... , 359.7041853258 |
ra |
| dec_sun |
Sun DEC |
Sun's equatorial DEC |
-23.43911430135, ... , 23.4325378724 |
dec |
| J_sun |
Sun Coordinates |
Coordinates based on epoch 2000, fixes RA, DEC of the local solar system |
2000 |
float |
| moonAngle |
Moon Angle |
Angle between moon and V1 axis (degrees) |
0.132704, ... , 177.752411 |
float |
| expflag |
Exposure Flag |
Set if there was a device malfunction or an unsuccessful image |
INTERRUPTED, ... , NORMAL |
string |
| fgslock |
FGS Flag |
Information on the fine guidance sensors/tracking, affects accuracy |
FINE, ... , GYROS |
string |
| gyromode |
Gyro Flag |
The number of gyros used in tracking (2-3) |
1, ... , 3 |
integer |
| quality |
Original Quality |
Quick assessment of the quality of the image |
NO SOURCE, ... , OK |
string |
| qualcom1 |
Quality Comment #1 |
Quality Comment: Quality of the image / what features found |
1 PACKETS WITHOUT REED SOLOMON CORRECTION , ... , WF4 anomaly. Gain error and streaks. Check keywords and documentation. |
string |
| qualcom2 |
Quality Comment #2 |
Quality Comment: validity and how the telescope was guided |
1 PACKETS OF PODPS FILL DATA INSERTED., ... , WARNING: WF4: BIAS JUMP LEVEL ~475.503 DN. |
string |
| qualcom3 |
Quality Comment #3 |
Quality Comment: notes on processing |
2 PACKETS HAVE NO REED-SOLOMON CORRECTION, ... , WF4 anomaly. Gain error and streaks. Check keywords and documentation. |
string |
| dezero |
Base Voltage |
Mean bias level/base voltage from the engineering data |
294.0299, ... , 1570.296 |
float |
| idcScale |
Exposure Scale |
scale for the exposure (arc-seconds/pixel) |
0.045497, ... , 0.09962 |
float |
| vFactor |
Velocity Scale |
Velocity aberration plate scale factor to account for Earth's speed |
0.9998756844626, ... , 1.000123590587 |
float |
| bunit |
Output Units |
Output image (DNs/sec) |
COUNTS |
string |
| gpixels |
Good Pixels |
Number of good pixels, out of 640,000 for WFPC2 |
0, ... , 634344 |
integer |
| calbdef |
Calibration |
(not too important) |
974, ... , 640000 |
integer |
| goodmin |
Pixel Min. Value |
Minimum value of the good pixels |
-885.1027, ... , 9.9E+36 |
float |
| goodmax |
Pixel Max. Value |
Maximum value of the good pixels |
-9.9E+36, ... , 11772.6 |
float |
| datamean |
Pixel Mean |
Mean value of all good pixels |
-9.9E+36, ... , 2765.07 |
float |
| median |
Pixel Median |
Middle/median value of all good pixels |
-9.9E+36, ... , 2825.968 |
float |
| meanc300 |
Pixel Center Mean |
Mean of a 300x300 pixel region at the center of the chip |
-9.9E+36, ... , 3687.704 |
float |
| backgrnd |
Background Level |
Image statistics of the estimated background level |
-9.9E+36, ... , 3229.264 |
float |
| photmode |
Photometry - Mode |
Summary of photometric mode of the observation |
WFPC2;1;A2D15;F1042M;;CAL, ... , WFPC2;4;A2D7;F160BW;;CAL |
string |
| photflam |
Photometry - Inverse Sensitivity |
Flux units, inverse sensitivity for target detector |
1.87E-18, 1.90E-18, ... , 1.65E-14, 2.02E-14 |
float |
| phtzpt |
Photometry - Zero Point |
Zero-point in ST magnitude system, converted to FLAM units |
-21.1 |
float |
| det1_photflam |
PHOTFLAM (PC1) |
Flux units, inverse sensitivity for PC1 |
1.87E-18, ... , 0.0000000000000202 |
float |
| det1_zp_corr |
ZP_CORR (PC1) |
Time-dependent sensitivity correction for PC1 |
-0.3094125, ... , 0.1264668 |
float |
| det1_cte_1e2 |
CTE_1E2 (PC1) |
Charge transfer efficiency for PC1 (2nd order binomial theorem) |
0.003951281, ... , 0.524348199 |
float |
| det1_cte_1e3 |
CTE_1E3 (PC1) |
Charge transfer efficiency for PC1 (3rd order binomial theorem) |
0.001545919, ... , 0.22062324 |
float |
| det1_cte_1e4 |
CTE_1E4 (PC1) |
Charge transfer efficiency for PC1 (4th order binomial theorem) |
0.000736737, ... , 0.108913891 |
float |
| det2_photflam |
PHOTFLAM (WF2) |
Flux units, inverse sensitivity for WFC2 |
0, ... , 0.0000000000000181 |
float |
| det2_zp_corr |
ZP_CORR (WF2) |
Time-dependent sensitivity correction for WFC2 |
-0.4302549, ... , 0.01591682 |
float |
| det2_cte_1e2 |
CTE_1E2 (WF2) |
Charge transfer efficiency for WFC2 (2nd order binomial theorem) |
0.004892203, ... , 0.525110304 |
float |
| det2_cte_1e3 |
CTE_1E3 (WF2) |
Charge transfer efficiency for WFC2 (3rd order binomial theorem) |
0.001913113, ... , 0.220974818 |
float |
| det2_cte_1e4 |
CTE_1E4 (WF2) |
Charge transfer efficiency for WFC2 (4th order binomial theorem) |
0.000912207, ... , 0.109102115 |
float |
| det3_photflam |
PHOTFLAM (WF3) |
Flux units, inverse sensitivity for WFC3 |
0, ... , 0.0000000000000206 |
float |
| det3_zp_corr |
ZP_CORR (WF3) |
Time-dependent sensitivity correction for WFC3 |
-0.418539, ... , 0.05812645 |
float |
| det3_cte_1e2 |
CTE_1E2 (WF3) |
Charge transfer efficiency for WFC3 (2nd order binomial theorem) |
0.002347986, ... , 0.524465919 |
float |
| det3_cte_1e3 |
CTE_1E3 (WF3) |
Charge transfer efficiency for WFC3 (3rd order binomial theorem) |
0.0009174, ... , 0.220687494 |
float |
| det3_cte_1e4 |
CTE_1E4 (WF3) |
Charge transfer efficiency for WFC3 (4th order binomial theorem) |
0.00043715, ... , 0.108958058 |
float |
| det4_photflam |
PHOTFLAM (WF4) |
Flux units, inverse sensitivity for WFC4 |
0, ... , 0.0000000000000199 |
float |
| det4_zp_corr |
ZP_CORR (WF4) |
Time-dependent sensitivity correction for WFC4 |
-0.3729939, ... , 0.06130695 |
float |
| det4_cte_1e2 |
CTE_1E2 (WF4) |
Charge transfer efficiency for WFC4 (2nd order binomial theorem) |
0.007562231, ... , 0.525110304 |
float |
| det4_cte_1e3 |
CTE_1E3 (WF4) |
Charge transfer efficiency for WFC4 (3rd order binomial theorem) |
0.002958637, ... , 0.220974818 |
float |
| det4_cte_1e4 |
CTE_1E4 (WF4) |
Charge transfer efficiency for WFC4 (4th order binomial theorem) |
0.001411212, ... , 0.109102115 |
float |
| x_sat_primary |
Sat-Primary x-Distance |
Satellite differential x-coordinate with respect to primary body (arcseconds of arc) |
-641985, ... , 643280.8 |
float |
| y_sat_primary |
Sat-Primary y-Distance |
Satellite differential y-coordinate with respect to primary body (arcseconds of arc) |
-283426, ... , 365573.9 |
float |
| sat_pa |
Sat. Position Angle |
Angle east of north to primary-satellite line (degrees) |
0.636, ... , 356.691 |
float |
| pct_illum |
Illuminated Fraction |
Percent of disk illuminated by Sun |
32.084, ... , 100 |
float |
| ob_lat |
Sub-Observer Latitude |
Sub-observer latitude (degrees) |
-54.96, ... , 71.89 |
float |
| sun_lon |
Sub-Solar Longitude |
Sub-solar longitude (degrees) |
0.06, ... , 359.98 |
float |
| sun_lat |
Sub-Solar Latitude |
Sub-solar latitude (degrees) |
-53.39, ... , 41.52 |
float |
| np_ang |
North Pole Angle |
Angle east of north of target's rotational axis (degrees) |
0.1172, ... , 359.8316 |
float |
| np_dist |
North Pole Distance |
Angular distance from sub-observer point to target's North pole. Negative distance indicates target's North pole is on the hidden hemisphere. |
-22.14, ... , 997.31 |
float |
| helio_range_dt |
Heliocentric Range Rate |
Rate of change of heliocentric range (km/s) |
-39.3338446, ... , 37.9281718 |
float |
| obs_range |
Observer Range |
Observer range (AU) |
0.002388828, ... , 96.33456195 |
float |
| obs_range_dt |
Observer Range Rate |
Rate of change of observer range (km/s) |
-48.7801198, ... , 67.4938923 |
float |
| light_time |
1-way Light Time |
Elapsed time since light (observed at exposure midpoint) would have left or reflected off a point at the center of the target (minutes) |
0.019867, ... , 801.190121 |
float |
| obs_primary_targ_ang |
Observer-Primary-Target Angle |
Observer-primary-target angle (degrees) |
0.0302, ... , 178.3881 |
float |
| obs_range_3sig |
Observer Range Uncert. |
3-sigma uncertainty in observer range (km) |
17.176, ... , 5602553.37 |
float |
| obs_range_dt_3sig |
Observer Range Rate Uncert. |
3-sigma uncertainty in observer range rate (km/s) |
0.0000014, ... , 0.0347985 |
float |
| det1_photif |
PHOTIF (PC1) |
Reflectivity units, inverse sensitivity for PC1 ((I/F)/(DN/sec)) |
0.000000758, ... , 8922.211434 |
float |
| det2_photif |
PHOTIF (WF2) |
Reflectivity units, inverse sensitivity for WFC2 ((I/F)/(DN/sec)) |
0.000000154, ... , 1879.484907 |
float |
| det3_photif |
PHOTIF (WF3) |
Reflectivity units, inverse sensitivity for WFC3 ((I/F)/(DN/sec)) |
0.000000158, ... , 2045.039313 |
float |
| det4_photif |
PHOTIF (WF4) |
Reflectivity units, inverse sensitivity for WFC4 ((I/F)/(DN/sec)) |
0.000000159, ... , 1889.215849 |
float |
Follow Us
