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NASA GSFC: GALEX
Galaxy Evolution Explorer
 

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Cycle 6 Information

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GALEX MISSION and GI STATUS FILES DESCRIPTION
OVERALL MISSION PLANNING STATUS FILES
GI PROGRAM STATUS FILES – CUMULATIVE EXPOSURE STATUS
GI PROGRAM STATUS FILES – RECENT OBSERVATIONS

 

OVERALL MISSION PLANNING STATUS FILES   (does not include AIS)

 plan_id

 –

Mission planning field identification number (unique)

 tile

 –

Tile name (colloquially referred to as ”the observing field name”)

 survey

 –

GALEX survey (AIS, MIS, DIS, etc.  GI observations are referred to as “the GI Survey”

 ow

 –

Optical Wheel setting, d=direct (imaging), g=grism (spectroscopy)  (MPS) refers to what was planned

 ra

 –

J2000 Right Ascension

 dec

 –

J2000 Declination

 min_exp

 –

planned total exposure (s)

 n_visits

 –

Number of observations of the tile (some may have zero exposure time)

 nuv_exp

 –

total NUV exposure

 fuv_exp

 –

total FUV exposure

 

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GI PROGRAM STATUS FILES – CUMULATIVE EXPOSURE STATUS  

 

program_num

GI program number (without cycle number)

target_num

Target number within that program

plan_id

mission planning field identification number (unique)

ow_pos

optical wheel setting: d=direct (imaging), g=grism (spectroscopy) 

num_visits

total number of visits to date

num_bad_visits

number of unsuccessful visits to date

NUV_accum_exp

total NUV observing time so far obtained

FUV_accum_exp

total FUV observing time so far obtained

unprocessed_exp

observing time successfully downloaded but not processed

planned_exposure

total exposure time needed

complete

is this target considered “done”? 

 

(If “yes,” no further observations will be made.)
Targets are generally considered complete if
~95% or more of the planned exposure time has been
obtained and processed successfully – exact fraction
is somewhat dependent on availability of observing time.

more_visibility

are there still times the target will be observable this year?
(If “yes,” and if the target is not considered completed
further observations may occur this year.) are there still times the target will be observable this year?

target_id

(GI cycle)_(GI program that cycle)(GI target number)_ (target name specified by GI)

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GI PROGRAM STATUS FILES – RECENT OBSERVATIONS  

Eclipse

eclipse, or orbit, number for the satellite

plan_id

mission planning field identification number (unique)

Program/target

For GI programs, the GI program number (without cycle number),
then target number within that program

Visit

visit number to this field in this program

NUV Processed

NUV exposure time obtained this orbit

FUV Processed

FUV exposure time obtained this orbit

Lost

Exposure time that was obtained but not successfully downloaded

Predicted

Exposure time expected by Mission Planning System

Target

Total exposure time required for this field

Target_id

 

 

(GI cycle)_(GIprogram that cycle)(GI target number)_
(target name specified by GI)

 

 

 


Responsible NASA Official: Susan G. Neff
Curator:
J.D. Myers

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