| Show | Sort | Join tables | Column | Constraint | Explain (UCD) |
| | | (ALL) | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
| | | (1) | n_1FGL | (char) | Aindicates associations with TeV, EGRET or hard X-ray sources (meta.ref.url) (DATA_LINK) |
| | |  (ALL) | 1FGL | (char) | (i) The 1FGL name (JHHMM.m+DDMM) (meta.id;meta.main) (ID_MAIN) |
| | | (1+2+3) | AGN | (char) | Associated AGN name (meta.id.assoc) (ID_ASSOCIATED) |
| | | (1+2+3+4+6) | RAJ2000 | deg | (i) Right Ascension; decimal degrees (J2000) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | (1+2+3+4+6) | DEJ2000 | deg | (i) Declination; decimal degrees (J2000) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | | (1+2+3) | Sep | deg | Angular separation (Note 1)
(pos.angDistance) (POS_ANG_DIST_GENERAL) |
| | | (1+2+3) | theta | deg | The 95% confidence radius (Note 2)
(phys.angSize;src) (EXTENSION_RAD) |
| | | (1+2) | Prob | | (n) Association probability (not for table 3) (meta.id.assoc;stat.probability) (STAT_PROBABILITY) |
| | | (1+2+3+5+6) | OType | (char) | Optical classification (AGN, BLL or FSRQ (flat-spectrum radio quasars) (meta.code.class) (CLASS_OBJECT) |
| | | (1+2+3) | SED | (char) | SED classification (HSP, ISP or LSP) (Note 3)
(src.class) (CLASS_MISC) |
ALL cols | | | |
| | | (1+2+3) | z | | (n) Redshift (src.redshift) (REDSHIFT_HC) |
| | | (1+2+3) | F35 | 10-5/m2/s | The 1-100GeV photon flux (Note 4)
(phot.flux.density;em.gamma.hard) (PHOT_FLUX_GAMMA) |
| | | (1+2+3) | e_F35 | 10-5/m2/s | The 1σ uncertainty in F35 (Note 4)
(stat.error) (ERROR) |
| | | (1+2+3+5) | Gamma | | Photon number spectral index Γ (meta.id) (SPECT_SP-INDEX) |
| | | (1+2+3+5) | e_Gamma | | The 1σ uncertainty in gamma (stat.error) (ERROR) |
| | | (1+2+3) | Sig | | Detection significance (stat.fit.goodness) (STAT_SIGNIFICANCE) |
| | | (1+2+3) | Var? | (char) | Variability code (Y: probability <1% that the source is steady) (meta.code) (CODE_MISC) |
| | | (1+2+3) | Cu? | (char) | [Y/N] Spectral curvature (Note 5)
(meta.code) (CODE_MISC) |
| | | (1+2) | Note | (char) | Note on multiple associations (not for table 3) (Note 6)
(meta.note) (NOTE) |
| | | (1) | Cl? | (char) | [Y/N] Clean sample source (only for table 1) (Note 7)
(meta.code) (CODE_MISC) |
| | | (1+2+3) | A10 | (char) | Display the 1FGL data (Abdo et al., 2010, Cat. J/ApJS/188/405) (meta.ref.url) (DATA_LINK) |
| | | (1+2+3) | Simbad | (char) | ask the Simbad data-base about this object (DATA_LINK) |
| | | (4) | f_1FGL | (char) | [b] low-latitude source (Note 1)
(meta.code) (CODE_MISC) |
ALL cols | | | |
| | | (4) | TeV | (char) | TeV association (Note 2)
(meta.id.assoc) (ID_ASSOCIATED) |
| | | (5) | 3EG | (char) | 3rd EGRET name (JHHMM+DDMM) (Note 2)
(meta.id.assoc) (ID_ASSOCIATED) |
| | | (5) | EGR | (char) | Revised EGRET name (EGR/EGRc JHHMM+DDMM) (Note 3)
(meta.id.assoc) (ID_ASSOCIATED) |
| | | (5) | GEV | (char) | High-energy EGRET name (JHHMM+DDMM) (Note 4)
(meta.id.assoc) (ID_ASSOCIATED) |
| | | (5) | 1AGL | (char) | 1AGL name (JHHMM+DDMM) (Note 5)
(meta.id.assoc) (ID_ASSOCIATED) |
| | | (5) | Flux | 10-4/m2/s | Fermi/LAT mean flux (10–8ph/cm2/s) (phot.flux.density;em.gamma.hard) (PHOT_FLUX_GAMMA) |
| | | (5) | e_Flux | 10-4/m2/s | Flux uncertainty (10–8ph/cm2/s) (stat.error;phot.flux) (ERROR) |
| | | (5) | F3EG | 10-4/m2/s | (n) 3EG flux (E>100MeV) (10–8ph/cm2/s) (phot.flux.density;em.gamma.hard) (PHOT_FLUX_GAMMA) |
| | | (5) | e_F3EG | 10-4/m2/s | (n) F3EG uncertainty (10–8ph/cm2/s) (stat.error) (ERROR) |
| | | (5) | G.EG | ct | (n) 3EG photon spectral index in F(E)∼E–PhEG (spect.index) (SPECT_SP-INDEX) |
| | | (5) | e_G.EG | | (n) G.EG uncertainty (stat.error) (ERROR) |
| | | (6) | Source | (char) | Hard X-ray source name (meta.id.assoc) (ID_ASSOCIATED) |
| | | (6) | f_Source | (char) | [b] b: hard X-ray source found only in the fourth IBIS catalog (meta.code) (CODE_MISC) |
ALL cols | | | |