IUE ivo://nasa.heasarc/iuelog NASA/GSFC HEASARC IUE Project 2026-10-09 NASA/GSFC HEASARC help desk heasarc-vo at athena.gsfc.nasa.gov Observation This IUE (International Ultraviolet Explorer) Observation Log contains a summary of all IUE Newly Extracted Spectra (INES), which resulted from a post-processing effort at VILSPA. It was constructed by using verified data from the IUE Final Archive Master Catalog. The observations cover the whole life of the IUE satellite, from March 1978 to September 1996. This online catalog was ingested by the HEASARC in August 2004 based on the machine-readable table VI/110/inescat.dat obtained from the CDS data center. In May 2020, the program_id values of "\" were changed by the HEASARC to nulls for improved database compatibility. This is a service provided by NASA HEASARC . https://heasarc.gsfc.nasa.gov/W3Browse/all/iuelog.html Archive Research served-by HEASARC TAP https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffsets&table=iuelog& GET text/xml 180 99999 true 317.1952 -88.9565 0.0333333333333333 https://heasarc.gsfc.nasa.gov/xamin/vo/tap https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/getvotable.pl?name=iuelog GET text/xml https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/w3query.pl?tablehead=name=heasarc_iuelog&Action=More+Options&Action=Parameter+Search&ConeAdd=1 IUE 0.0333333333333333 UV public iuelog IUE (International Ultraviolet Explorer) Final Merged Observatio name Homogeneous Object Identifier meta.id;meta.main char nullable ra Right Ascension degree pos.eq.ra;meta.main double nullable dec Declination degree pos.eq.dec;meta.main double nullable camera IUE Camera [LWP/LWR/SWP/SWR] instr;instr.det char nullable image IUE Image Number meta.id int nullable dispersion Dispersion [H=High/L=Low/N=Not Applicable] instr.setup char nullable "time" Date and Time of Start of Observation (UT) mjd time.start;obs double nullable exposure Effective Exposure Time (secs) s time.duration;obs.exposure double nullable "__x_ra_dec" System unit vector column double nullable "__y_ra_dec" System unit vector column double nullable "__z_ra_dec" System unit vector column double nullable "__row" System index column char nullable exposure_mode Exposure Mode instr.setup char nullable bii Galactic Latitude degree pos.galactic.lat double nullable lii Galactic Longitude degree pos.galactic.lon double nullable fes_mode FES Mode [BO/FO/FU/SO/SU] instr.setup char nullable fes_counts FES Counts (contaminated after Nov. 1991) phot;em.opt int nullable dec_target Declination (J2000) of Target pos.eq.dec;src char nullable ra_target Right Ascension (J2000) of Target pos.eq.ra;src char nullable iue_class IUE Object Class src.class short nullable program_id Observing Program Identification char nullable exposure_code Exposure Classification Code meta.code.qual char nullable observing_station Observing Station [G=GSFC/V=VILSPA] meta.code;instr.obsty char nullable aperture_pa Position Angle of Large Aperture degree pos.posAng;instr.setup float nullable alt_name Target Name (as given by Guest Observer) meta.id;src char nullable extraction_mode Extraction Mode [P=Point/E=Extended] char nullable aperture Aperture [L=Large/S=Small/N=Not Applicable] instr.setup char nullable abnormality_codes Abnormality Codes meta.code.qual char nullable julian_date Heliocentric-Corrected Julian Date of Mid-Exposure JD time.start;obs double nullable class Browse Object Classification src.class short nullable