Chandra Chandra Catalog Release View DENIS3 The DENIS database (DENIS Consortium, 2005) J/A+A/278/379/table1 X-ray Emission from Abell Clusters of Galaxies (Briel+ 1993) CV Cataclysmic Binaries, LMXBs, and related objects (Ritter+, 2014) BAX The BAX Database (Blanchard+, 2004) DAML02 Optically visible open clusters and Candidates (Dias+ 2002-2014) GCVS General Catalogue of Variable Stars (Samus+ 2007-2013) J/A+A/298/115/table2 ROSAT study of Praesepe (Randish+, 1995) J/A+A/309/116/table2 10 globular cluster ROSAT observations (Johnston+, 1996) J/A+A/312/439/table4 New T Tauri stars in Taurus-Auriga (Wichmann+, 1996) J/A+A/316/147/table1 Catalogue of ROSAT White Dwarfs (Fleming+ 1996) J/A+A/317/328/table5 ROSAT PSPC survey of M 31 (Supper+ 1997) J/A+A/319/33/table3 Identification of X-ray sources around Seyferts (Arp 1997) J/A+A/319/18/appena X-ray sources <1 degree from Seyfert galaxies (Radecke 1997) J/A+A/319/413/table1 ROSAT detected quasars. I. (Brinkmann+ 1997) J/A+A/330/108/table1 ROSAT detected quasars. II. (Yuan+ 1998) J/A+A/335/467/table3 High galactic latitude RASS X-ray sources (Thomas+ 1998) J/A+A/356/445/table1 ROSAT-FIRST AGN correlation (Brinkmann+, 2000) J/A+A/356/445/table2 ROSAT-FIRST AGN correlation (Brinkmann+, 2000) J/A+A/527/A126/catalog 2XMMi/SDSS DR7 cross-correlation (Pineau+, 2011) J/A+AS/106/303/table2 Multifrequency observations of ROSAT sources (Neumann+ 1994) J/A+AS/110/469/table3a AGN from the RASS (Bade+, 1995) J/A+AS/114/109/table6 Cha X-ray sources & optical identifications (Alcala+ 1995) J/A+AS/114/465/table2 ROSAT XUV Pointed Phase Source Catalogue (Kreysing+ 1995) J/A+AS/114/465/table4 ROSAT XUV Pointed Phase Source Catalogue (Kreysing+ 1995) J/A+AS/114/465/table5 ROSAT XUV Pointed Phase Source Catalogue (Kreysing+ 1995) J/A+AS/123/329/Xpointed New weak-line T Tauri stars in Lupus (Krautter+ 1997) J/A+AS/123/329/newTTau New weak-line T Tauri stars in Lupus (Krautter+ 1997) J/A+AS/126/509/table5 HS 47.5/22: X-ray catalogue (Molthagen+ 1997) J/A+AS/132/341/table5 ROSAT GPS optical identification (Motch+ 1998) J/A+AS/136/81/table1 A ROSAT PSPC X-Ray Survey of the SMC (Kahabka, 1999) J/A+AS/139/277/table1 LMC X-ray sources ROSAT PSPC catalogue (Haberl+, 1999) J/A+AS/142/41/table2 SMC X-ray sources ROSAT PSPC catalogue (Haberl+, 2000) J/A+AS/143/391/table4 ROSAT HRI catalogue of LMC X-ray sources (Sasaki+, 2000) SHP2000 ROSAT HRI catalogue of SMC X-ray sources (Sasaki+, 2000) J/AJ/110/1229/table4 ROSAT X-ray survey in NGC 6475 (Prosser+ 1995) IPC Einstein IPC database ultrasoft survey (Thompson+ 1998) J/AJ/122/866/table1 X-ray sources in IC 348 from Chandra (Preibisch+, 2001) J/ApJ/325/798/hyades_2 Einstein survey of stars in the Hyades (Micela+, 1988) J/ApJ/414/846/table1 X-ray emission at the low-mass end (Barbera+ 1993) J/ApJ/434/54/table1a Spectral properties of X-ray-selected AGNs (Thompson+ 1994) J/ApJ/437/361/table2 Einstein survey of the Orion nebula region (Gagne+ 1994) J/ApJ/445/280/table2 ROSAT survey of the Orion nebula region (Gagne+ 1995) J/ApJ/448/683/table1 Hyades RASS observations (Stern+ 1995) J/ApJS/102/75/table1 ROSAT Observations of the Pleiades (Micela+ 1996) J/ApJS/111/163/table5 Einstein X-ray survey of galaxies. I. (Burstein+ 1997) J/ApJS/111/163/table6 Einstein X-ray survey of galaxies. I. (Burstein+ 1997) J/ApJS/111/163/table7 Einstein X-ray survey of galaxies. I. (Burstein+ 1997) 1AXG GIS catalog project : source catalog (Ueda+, 2001) J/ApJS/134/77/table2 ASCA Galactic Plane Survey faint X-ray sources (Sugizak+, 2001) J/MNRAS/260/77/table1 ROSAT Wide Field Camera EUV Bright Sources (Pounds+ 1993) 2RE The 2RE Source Catalogue (Pye+ 1995) J/MNRAS/274/1194/table1 Optical Identifications of ROSAT EUV Sources (Mason+ 1995) J/MNRAS/277/1477/catalog A catalogue of BL Lacertae objects (Padovani+ 1995) eBCS Extended ROSAT Bright Cluster Sample (Ebeling+ 2000) J/MNRAS/301/881/table3 The ROSAT brightest cluster sample - I. (Ebeling+, 1998) RIXOS RIXOS source catalogue (Mason+, 2000) IPHAS H{alpha} emission line sources from IPHAS (Witham+, 2008) J/ApJS/90/173/j2000 PMN map catalog of radiosources (Gregory+, 1994) 7Clow 7C 151-MHz survey of region 9-16h 20-35deg (Waldram+ 1996) 7C(G) 7C(G) 151MHz survey of the Galactic plane (Vessey+ 1998) MA93 Emission-line stars and PNe in the SMC (Meyssonnier+ 1993) RKK Galaxies behind Southern Milky Way (Kraan-Korteweg 2000) WKK Galaxies behind Southern Milky Way. II. (Woudt+, 2001) FAUST Far-UV Point Sources from FAUST (Bowyer+ 1995) OptGal The Stromlo-APM Redshift Survey IV (Loveday+ 1996) CfA2S The CfA2S catalog (Huchra+, 1999) APM-BGC The APM Bright Galaxy Catalogue (Loveday 1996) J/MNRAS/289/263/catalog Galaxy clusters from the APM galaxy survey (Dalton+ 1997) DUGRS Durham/UKST Galaxy Redshift Survey (Ratcliffe+, 1998) UZC Updated Zwicky catalog (UZC) (Falco+, 1999) CNOC2 The CNOC2 survey. I. (Yee+, 2000) SMCPS Magellanic Clouds Photometric Survey: the SMC (Zaritsky+, 2002) KUG KUG survey, second series. II (Miyauchi-Isobe+ 2000) J/ApJ/502/558/table3 Catalog of ROSAT galaxy clusters (Vikhlinin+ 1998) J/ApJ/519/533/table1 ROSAT observations of ACO clusters (David+, 1999) J/ApJ/549/441/table1 Chandra observations of Orion Trapezium (Schulz+, 2001) J/ApJ/554/742/table4 Chandra Deep Survey of the HDF-N (Hornschemeier+, 2001) J/ApJ/582/382/table1 Chandra X-ray sources in Orion Nebula Cluster (Flaccomio+, 2003) J/ApJS/117/319/table1 Northern RASS X-ray sources catalog (Appenzeller+ 1998) J/ApJS/117/319/table2 Northern RASS X-ray sources catalog (Appenzeller+ 1998) J/ApJS/129/547/table1 RBSC-NVSS sample. I. (Bauer+, 2000) J/ApJS/129/547/table2 RBSC-NVSS sample. I. (Bauer+, 2000) J/ApJS/139/369/table2 Chandra Deep Field South. 1 Ms catalog (Giacconi+, 2002) J/ApJS/192/10/table4 Chandra ACIS survey in 383 nearby galaxies. I. (Liu, 2011) KMA2007 MaxBCG catalog of 13823 galaxy clusters from SDSS (Koester+, 2007) HRY2009 Catalog of 24um sources toward Galactic Center (Hinz+, 2009) Pleiades Positions of 502 Stars in Pleiades Region (Eichhorn+ 1970) MACS The Magellanic Catalogue of Stars - MACS (Tucholke+ 1996) GCTP Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995) Hipparcos The Hipparcos and Tycho Catalogues (ESA 1997) USNO-A2.0 The USNO-A2.0 Catalogue (Monet+ 1998) TYC The Tycho-2 Catalogue (Hog+ 2000) APM The APM-North Catalogue (McMahon+, 2000) USNO-B1.0 The USNO-B1.0 Catalog (Monet+ 2003) NOMAD NOMAD Catalog (Zacharias+ 2005) GSC The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006) KUV Kiso Ultraviolet Catalog (KUV) (Noguchi+ 1980-1984) IRAS_PSC IRAS catalogue of Point Sources, Version 2.0 (IPAC 1986) IRAS_F IRAS Faint Source Catalog, |b| > 10, Version 2.0 (Moshir+ 1989) PG Palomar-Green catalog UV-excess stellar objects (Green+ 1986) OGLE OGLE Galactic Bulge periodic variables (Udalski+ 1996) DCMC DENIS Catalogue toward Magellanic Clouds (DCMC) (Cioni+ 2000) M2002 UBVR CCD survey of the Magellanic clouds (Massey+, 2002) 2MASS The 2MASS Extended sources (IPAC/UMass, 2003-2006) SWIRE1 SWIRE ELAIS N1 Source Catalogs (Surace+, 2004) RAVE RAVE 4th data release (Kordopatis+, 2013) SWIRE Revised SWIRE photometric redshifts (Rowan-Robinson+, 2013) GLIMPSE GLIMPSE Source Catalog (I + II + 3D) (IPAC 2008) SSTGC Spitzer IRAC survey of the galactic center (Ramirez+, 2008) AKARI AKARI/FIS All-Sky Survey Point Source Catalogues (ISAS/JAXA, 2010) SAGE SAGE LMC and SMC IRAC Source Catalog (IPAC 2009) SDSS-DR9 The SDSS Photometric Catalog, Release 9 (Adelman-McCarthy+, 2012) WISEALLSKY WISE All-Sky Data Release (Cutri+ 2012) LSS Luminous Stars in the Southern Milky Way (Stephenson+ 1971) III/67A/catalog Catalogue of Be stars (Jaschek+, 1982) III/147/catalog Studies of LMC stellar content (Rousseau+ 1978) PMSU Palomar/MSU nearby star spectroscopic survey (Hawley+ 1997) KW97 H-alpha Stars in Northern Milky Way (Kohoutek+ 1997) III/206/mk13 13th General Catalogue of MK Spectral Classification (Buscombe 1998) WR 7th Catalog of Galactic Wolf-Rayet stars (van der Hucht, 2001) WD Spectroscopically Identified White Dwarfs (McCook+, 2008) HR Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) CNS3 Nearby Stars, Preliminary 3rd Version (Gliese+ 1991) MSX-AC MSX Infrared Astrometric Catalog (Egan+ 1996) V/106/hmxbcat Catalogue of X-ray binaries (Liu+ 2001) V/106/lmxbcat Catalogue of X-ray binaries (Liu+ 2001) SKY2000 SKY2000 Catalog, Version 4 (Myers+ 2002) MSX6C MSX6C Infrared Point Source Catalog (Egan+ 2003) V/123A/cv Catalog of Cataclysmic Variables (Downes+ 2001-2006) UGC Uppsala General Catalogue of Galaxies (UGC) (Nilson 1973) ESO ESO/Uppsala Survey of the ESO(B) Atlas (Lauberts 1982) Shk Compact groups of compact galaxies (Shakhbazian+ 1973-1979) IRAS Catalogued Galaxies + QSOs observed in IRAS Survey, Vers.2 (IPAC 198 NBG Nearby Galaxies Catalogue (NBG) (Tully 1988) RC3 Third Reference Cat. of Bright Galaxies (RC3) (de Vaucouleurs+ 1991) VII/157/12micron The Extended 12um galaxy sample (Rush+ 1993) AM Catalogue of Southern Peculiar Galaxies and Associations (Arp+, 1987 FBS First Byurakan Survey (FBS) (Markarian+, 1989) VII/175/table3 Edinburgh-Durham Southern Galaxy Cat. - Cluster Cat. (Lumsden+ 1992) VII/181/table2 X-ray of active galaxies and nuclei (Della Ceca+, 1990) VII/181/table3 X-ray of active galaxies and nuclei (Della Ceca+, 1990) VII/181/table4 X-ray of active galaxies and nuclei (Della Ceca+, 1990) VII/181/table5 X-ray of active galaxies and nuclei (Della Ceca+, 1990) IRAS1.2Jy IRAS 1.2 Jy IRAS Redshift Survey (Strauss+ 1990,92,95) PSR Catalog of Pulsars (Taylor+ 1995) CfA The CfA Redshift Catalogue, Version June 1995 (Huchra+ 1995) VII/202/catalog Globular Clusters in the Milky Way (Harris, 1997) LCRS Las Campanas Redshift Survey (Shectman+ 1996) NGP9 Galaxy properties at NGP (Odewahn+ 1995) NGPFG Faint Galaxies at the North Galactic Pole (Infante+ 1995) CGMW Galaxies Behind the Milky Way (Saito+ 1990-91; Roman+ 1996-98) HCG Hicksons Compact groups of Galaxies (Hickson+ 1982-1994) PSCz PSCz catalog (Saunders+, 2000) CFRS The Canada-France Redshift Survey (CFRS) (Lilly+, 1995) DENIS DENIS catalog of galaxies (Paturel+, 2003) HyperLEDA HYPERLEDA. I. Catalog of galaxies (Paturel+, 2003) 2QZ The 2dF QSO Redshift Survey (Croom+ 2004) SBS Second Byurakan Survey galaxies. Optical database (Gyulzadian+, 2011 6dFGS 6dF galaxy survey final redshift release (Jones+, 2009) SNR A catalogue of Galactic supernova remnants (Green, 2014) VV10 Quasars and Active Galactic Nuclei (13th Ed.) (Veron+ 2010) SDSS-QSO The SDSS-DR7 quasar catalog (Schneider+, 2010) KUG2000 Comprehensive Catalogue of Kiso UV-X Galaxies (KUG2000) (Nakajima+ 2 1Jy Bright Extragalactic Radio Sources (1Jy) (Kuehr+, 1981) BWE A new catalog of 53522 4.85GHz sources (Becker+ 1991) PKS Parkes Radio Sources Catalogue (PKSCAT90) (Wright+ 1990) MRC Molonglo Reference Catalogue of Radio Sources (Large+ 1991) WSTB Catalogues from a deep 327 MHz Westerbork Survey (Wieringa 1991,1993 VIII/34/catalog Parkes Half-Jansky Flat-Spectrum Sample (Drinkwater + 1997) PMN The Parkes-MIT-NRAO 4.85GHz (PMN) Surveys (Griffith+ 1993-1996) GB6 GB6 catalog of radio sources (Gregory+ 1996) TXS Texas Survey of radio sources at 365MHz (Douglas+ 1996) VIII/50/catalog VLA Survey of Rich Clusters of Galaxies (Slee+ 1996) WENSS The Westerbork Northern Sky Survey (Leiden, 1998) NVSS 1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998) WISH The WISH catalogue at 352 MHz (de Breuck+ 2002) FIRST The FIRST Survey Catalog, Version 12Feb16 (Becker+ 2012) VLSS The VLA Low-frequency Sky Survey at 74MHz (Cohen+ 2007) SUMSS Sydney University Molonglo Sky Survey (SUMSS V2.1) (Mauch+ 2008) 7C A final non-redundant catalogue for 7C 151-MHz survey (Hales+ 2007) PLCK-ER Planck Early Release Compact Source Catalogue (Planck, 2011) 1RXS ROSAT All-Sky Bright Source Catalogue (1RXS) (Voges+ 1999) 2E The 2E Catalogue (Harris+ 1994) EMSS Einstein EMSS Survey (Gioia+ 1990, Stocke+ 1991) EXSS EINSTEIN extended source survey (EXSS) (Oppenheimer+ 1997) ROSHRI ROSAT HRI Pointed Observations (1RXH) (ROSAT Team, 2000) RASS-FSC ROSAT All-Sky Survey Faint Source Catalog (Voges+ 2000) 2RXP Second ROSAT PSPC Catalog (ROSAT, 2000) WGACAT The WGACAT version of ROSAT sources (White+ 2000) RBS ROSAT Bright Survey (Fischer+, 1998-2000) 2EUVE Second EUVE Catalogues (Bowyer+, 1996-99) 1XMM XMM-Newton Serendipitous Source Catalogue (1XMM) (XMM-SSC, 2003) 2XMM-DR3 XMM-Newton Serendipitous Source Catalogue 2XMMi-DR3 (XMM-SSC, 2010) SIMBAD Simbad Astronomical Database NED NASA/IPAC Extragalactic Database 
or on
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below any spectrum preview, choose the model and submit. The back-end runs Xspec-python.
, edit your region, accept and submit
