GS ivo://nasa.heasarc/gs NASA/GSFC HEASARC HEASARC 2026-10-09 NASA/GSFC HEASARC help desk heasarc-vo at athena.gsfc.nasa.gov Observation The results and data products from the EXOSAT GSPC. Only sources with ME count rates of at least 5 ct/s/half are included. This is a service provided by NASA HEASARC . https://heasarc.gsfc.nasa.gov/W3Browse/all/gs.html Archive Research served-by HEASARC TAP https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffsets&table=gs& GET text/xml 180 99999 true 19.144059557913 -73.4687233822531 0.75 https://heasarc.gsfc.nasa.gov/xamin/vo/tap https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/getvotable.pl?name=gs GET text/xml https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/w3query.pl?tablehead=name=heasarc_gs&Action=More+Options&Action=Parameter+Search&ConeAdd=1 EXOSAT 0.75 X-ray public gs EXOSAT GSPC Spectra and Lightcurves name Name (16 ASCII chars) meta.id;src char nullable ra Source Right Ascension degree pos.eq.ra;meta.main double nullable dec Source Declination degree pos.eq.dec;meta.main double nullable "time" Time of Start of Observation mjd time.start;obs double nullable sequence_number Obs. sequence number meta.id;meta.main short nullable qflag_gs Spectrum Quality Control Flag meta.code.qual short nullable exposure Effective Exposure Time s time.duration;obs.exposure float nullable count_rate Count Rate in 3-10keV Band ct/s phot.count;em.X-ray.medium float nullable count_rate_error Count Rate Error in 3-10keV Band ct/s stat.error;phot.count;em.X-ray.medium float 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 pl_g_alpha Index for PL & Gaussian stat.param;stat.fit float nullable ew2 Energy Upper Limit instr.bandpass short nullable gain Energy Gain instr.setup float nullable rate_total_error Error/s in total band ct/s stat.error;phot.count;em.X-ray float nullable bg_lightcurve1_error Bg Error/sec E-band 1 ct/s stat.error;instr.background float nullable hp_entry_number HP Number short nullable blw2 Burst Length Window Upper Limit instr.setup short nullable last_update time of last record change (MJD) mjd time.creation double nullable th_g_kt Temperature for TH & Gaussian keV phys.temperature;stat.fit float nullable co_kt Temp for CO keV phys.temperature;stat.fit float nullable rate_1 Counts/s in band 1, 2-3 keV ct/s phot.count;em.X-ray.medium float nullable co_nh Nh for CO 10^22_cm^-2 phys.columnDensity;stat.fit float nullable co_chisqr Chisq for Co stat.fit.chi2;spect float nullable th_kt Temperature for TH keV phys.temperature;stat.fit float nullable co_g_sigma_line Sigma Line for CO & Gaussian stat.fit;spect.line float nullable chisqr Reduced Chisq stat.fit.chi2;spect float nullable p10 Best fit model parameter 10 stat.param;meta.modelled float nullable end_time SHF Key of End Time mjd time.end;obs double nullable pl_norm Norm for PL phot;stat.fit;spect float nullable pl_g_nh Nh for PL & Gaussian 10^22_cm^-2 phys.columnDensity;stat.fit float nullable co_norm Norm for CO phot;stat.fit;spect float nullable bg_lightcurve2_error Bg Error/sec E-band 2 ct/s stat.error;instr.background float nullable nspectra Number of spectra meta.number;spect short nullable bb_g_ewidth Equiv. Width for BB & Gaussian eV spect.line.eqWidth;stat.fit float nullable gcf_factor Gain Conversion Factor instr.setup float nullable co_g_ewidth Equiv. Width for CO & Gaussian eV spect.line.eqWidth;stat.fit float nullable bb_g_e_line Energy Line for BB & Gaussian keV spect.line.intensity;stat.fit float nullable obc_program ID number of OBC Program instr.setup short nullable pl_g_e_line Energy Line for PL & Gaussian keV spect.line.intensity;stat.fit float nullable sr Softness Ratio (1/2) phot.count;em.X-ray;arith.ratio float nullable pi_code PI Code meta.code short nullable nh_21cm Galactic NH 10^19_atoms/cm^2 phys.columnDensity float nullable bii bII of source (degrees) degree pos.galactic.lat double nullable colleff Collimator Efficiency*100 percent instr.param short nullable co_g_kt Temp for CO & Gaussian keV phys.temperature;stat.fit float nullable bb_chisqr Chisq for BB stat.fit.chi2;spect float nullable lightcurve2_name Lightcurve E-band 2 Filename meta.dataset;meta.file;phot char nullable duration Duration (seconds) s time.duration;obs float nullable co_g_e_line Energy Line for CO & Gaussian keV spect.line.intensity;stat.fit float nullable bg_lightcurve1 Bg Cts/sec E-band 1 ct/s instr.background float nullable lspectra max length of spectrum name in chars short nullable roll_angle Roll Angle (deg *10) 10^-1_degree instr.param;pos.posAng short nullable ew_line EW of line eV spect.line.eqWidth float nullable sr_error Error in Softness ratio stat.error;phot.count;em.X-ray;arith.ratio float nullable pl_g_norm_line Norm Line for PL & Gaussian ct stat.fit;spect.line float nullable th_norm Norm for TH phot;stat.fit;spect float nullable co_g_alpha Index for CO & Gaussian spect.index;stat.fit float nullable th_g_nh NH for TH & Gaussian 10^22_cm^-2 phys.columnDensity;stat.fit float nullable bb_g_nh Nh for BB & Gaussian 10^22_cm^-2 phys.columnDensity;stat.fit float nullable p3 Best fit model parameter 3 stat.param;meta.modelled float nullable p2 Best fit model parameter 2 stat.param;meta.modelled float nullable file_lcurve Lightcurve E-band 1 Filename meta.dataset;meta.file;phot char nullable proposal_type Observation Type char nullable th_g_norm Norm for TH & Gaussian phot;stat.fit;spect float nullable p7 Best fit model parameter 7 stat.param;meta.modelled float nullable db_entry Entry Number in Database meta.record short nullable rate_1_error Error/s in band 1, 2-3 keV ct/s phot.count;em.X-ray.medium float nullable co_g_nh Nh for CO & Gaussian 10^22_cm^-2 phys.columnDensity;stat.fit float nullable rate_4 Counts/s in band 4, 10-20 keV ct/s phot.count;em.X-ray.hard float nullable bb_g_chisqr Chisq for BB & Gaussian stat.fit.chi2;spect float nullable beta_angle Beta Angle (degrees) degree phys.angSize short nullable bb_g_kt Temp for BB & Gaussian keV phys.temperature;stat.fit float nullable th_nh NH for TH 10^22_cm^-2 phys.columnDensity;stat.fit float nullable point_dec Pointing Dec (degrees) degree pos.eq.dec double nullable num_spec Number of parameters short nullable p1 Best fit model parameter 1 stat.param;meta.modelled float nullable bb_g_norm_line Norm Line for BB & Gaussian ct stat.fit;spect.line float nullable co_g_norm Norm for CO & Gaussian phot;stat.fit;spect float nullable bb_kt Temp for BB keV phys.temperature;stat.fit float nullable nbgspectra Number of bg spectra meta.number;spect;instr.background short nullable co_g_norm_line Norm Line for CO & Gaussian ct stat.fit;spect.line float nullable slew_lightcurve2_name Slew Lightcurve E-band 2 Filename meta.dataset;meta.file;phot char nullable rate_3 Counts/s in band 3, 6-10 keV ct/s phot.count;em.X-ray.medium float nullable th_g_e_line Energy Line for TH & Gaussian keV spect.line.intensity;stat.fit float nullable pl_alpha Index for PL meta.code;spect.index;stat.fit float nullable pl_g_ewidth Equiv. Width for PL & Gaussian eV spect.line.eqWidth;stat.fit float nullable file_spectrum Spectrum Filename meta.dataset;meta.file;spect char nullable pl_nh Nh for PL 10^22_cm^-2 phys.columnDensity;stat.fit float nullable bb_nh Nh for BB 10^22_cm^-2 phys.columnDensity;stat.fit float nullable id_number Source order no. meta.id;src short nullable co_alpha Index for CO spect.index;stat.fit float nullable p9 Best fit model parameter 9 stat.param;meta.modelled float nullable pl_g_sigma_line Sigma Line for PL & Gaussian stat.fit;spect.line float nullable bb_g_sigma_line Sigma Line for BB & Gaussian stat.fit;spect.line float nullable lbgspectra max length of bg spectra name in chars short nullable rate_3_error Error/s in band 3, 6-10 keV ct/s stat.error;phot.count;em.X-ray.medium float nullable rate_2_error Error/s in band 2, 3-6 keV ct/s stat.error;phot.count;em.X-ray.medium float nullable nlcurve Number of serial l/cs meta.number;phot short nullable energy_line Line Energy keV spect.line.intensity float nullable ew1 Energy Lower Limit instr.bandpass short nullable proposal_code Proposal Code char nullable th_chisqr Chi Squared for TH stat.fit.chi2;spect float nullable co_g_chisqr Chi Squared for CO & Gaussian stat.fit.chi2;spect float nullable macro_name Macro Name char nullable rate_4_error Error/s in band 4, 10-20 keV ct/s stat.error;phot.count;em.X-ray.hard float nullable slew_spectrum_name Slew Spectrum Filename meta.dataset;meta.file;spect char nullable line_present 1=line, 0=no line in fit meta.code;spect.line short nullable pl_chisqr Chi Squared for PL stat.fit.chi2;spect;stat.fit float nullable rate_total Counts/s in total band ct/s phot.count;em.X-ray float nullable hr Hardness ratio (3/2) phot.count;arith.ratio;em.X-ray float nullable blw1 Burst Length Window Lower Limit instr.setup short nullable xspec_done XSPEC Summary File Exists? meta.code;meta.file;spect short nullable llcurve max length of l/c names in chars short nullable hr_error Error in Hardness ratio stat.error;phot.count;arith.ratio;em.X-ray float nullable p4 Best fit model parameter 4 stat.param;meta.modelled float nullable spectral_model Best Fit model code meta.code;spect;meta.modelled short nullable point_ra Pointing RA (degrees) degree pos.eq.ra double nullable th_g_ewidth Equiv. Width for TH & Gaussian eV spect.line.eqWidth;stat.fit float nullable dtc_factor Dead-Time Correction Factor arith.factor;time.duration;obs.exposure float nullable slew_lightcurve1_name Slew Lightcurve E-band 1 Filename meta.dataset;meta.file;phot char nullable th_g_norm_line Norm Line for TH & Gaussian ct stat.fit;spect.line float nullable file_bgspectrum Bg Spectrum Filename meta.dataset;meta.file;spect;instr.background char nullable bb_g_norm Norm for BB & Gaussian stat.param;stat.fit;spect float nullable th_g_sigma_line Sigma Line for TH & Gaussian stat.fit;spect.line float nullable th_g_chisqr Chi Squared for TH & Gaussian stat.fit.chi2;spect float nullable lii lII of source (degrees) degree pos.galactic.lon double nullable pl_g_norm Norm for PL & Gaussian stat.param;stat.fit;spect float nullable p5 Best fit model parameter 5 stat.param;meta.modelled float nullable bb_norm Norm for BB phot;stat.fit float nullable rate_2 Counts/s in band 2, 3-6 keV ct/s phot.count;em.X-ray.medium float nullable process_date time of macro run mjd time.processing double nullable p6 Best fit model parameter 6 stat.param;meta.modelled float nullable p8 Best fit model parameter 8 stat.param;meta.modelled float nullable bg_lightcurve2 Bg Cts/sec E-band 2 ct/s instr.background float nullable pl_g_chisqr Chi Squared for PL & Gaussian stat.fit.chi2;spect float nullable