range:
1960s:
OSO-3 (Third Orbiting Solar Observatory), OSO-4, OGO-5, ESRO-2B, OSO-5, Vela 5A, Vela 5B (finished in 1979)
1970s
Uhuru, Small Astronomical Sattelite 1 (SAS-1), 2-20 keV, detected 339 objects (Dec 1970 - Mar 1973)
payload: two sets of proportional counters, 2-20 keV 0.084 m2
ANS, Copernicus, SAS-3, Ariel V, OSO-8
High Energy Astrophysical Observatory (HEAO-1) (0.2keV - 10 MeV), 4 instruments, catalog of about 850 point sources
Einstein Observatory (HEAO-2), 0.2-20 keV (Nov 1978 - Apr 1981)
payload:
1. A Wolter Type I grazing incidence telescope (0.1-4 keV) with 4 different instruments: High Resolution Imager (HRI), Imaging Proportional Counter (IPC), Solid State Spectrometer (SSS), Focal Plane Crystal Spectrometer (FPCS)
2. Monitor Proportional Counter (MPC; 1.5 - 20 keV)
3. Objective Grating Spectrometer (OGS)
and also Vela 6A, Vela 6B, Cosmos 428, OSO-7, TD-1A, Skylab, Salyut 4, Aryabhata, Apollo-Soyuz, ISEE-3, Venera 11, Venera 12, Hakucho, P78-1, Ariel 6
finished in 1985
1980s:
European X-ray Observatory Satellite (EXOSAT), 0.05-50 keV
Granat
Kvant module
Tenma
Ginga
and also Venera 13, Venera 14, Astron, Spacelab-1, Spartan-1, Spacelab-2, Phobos 1, Phobos 2
1990s:
ROSAT, The Roentgen Satellite, more than 100,000 objects, X-ray 0.1-2.5 keV, EUV 62-206 eV (Jun 1990 - Feb 1999)
Ulysses, as X-ray as Gamma-Ray observatory (Oct 1990 - )
payload:
1. two hard X-ray detectors (15-150 keV)
2. two soft X-ray detectors (5-20 keV)
The Broad Band X-ray Telescope (BBXRT) (Dec 2, 1990 - Dec 11, 1990) (on shuttle)
EURECA, The European Retrievable Carrier (Aug 1992 - Jul 1993)
DXS, The Diffuse X-Ray Spectrometer (Jan 13, 1993 - Jan 19, 1993) (on shuttle)
ASCA, The Advanced Satellite for Cosmology and Astrophysics (Feb 20, 1993 - Mar 2, 2001)
ALEXIS, Array of Low Energy X-Ray Imaging Sensors (Apr 1993 - Apr 29, 2005)
RXTE, The Rossi X-ray Timing Explorer, 2-250 keV (Dec 1995 - )
payload:
1. Proportional Counter Array (PCA), 2-60 keV
2. High Energy X-ray Timing Experiment (HEXTE), 15-250 keV
3. All-Sky Monitor (ASM), 2-10 keV
proposals: due Jan 26, 2007 4:30pm ET, it will be observing Cycle-12 lasting for 18 months (because this cycle might be the last one due to the satellite life-time)
BeppoSAX, 0.1-300 keV (Apr 1996 - Apr 2002)
payload:
1. The Narrow field Instruments (NFI): Phoswich Detection System (PDS), High pressure Gas Scintillator Proportional Counter (HPGSPC), and 4 X-ray telescopes working with one of the following detectors, Low Energy Concentrator Spectrometer (LECS) or Medium Energy Concentrator Spectrometer (MECS)
2. Wide Field Camera
Chandra, Chandra X-ray Observatory, 0.1-10 keV (Aug 1999 - ), Chandra X-Ray Center
payload: a single Wolter Type 1 grazing incidence iridium-coated imaging telescope with 4 detectors, one at a time:
1. AXAF Charged Coupled Imaging Spectrometer (ACIS), 0.2-10 keV
2. High Resolution Camera (HRC), 0.1-10 keV
3. High Energy Transmission Grating + ACIS-S (HETG), 0.5-10 keV
4. Low Energy Transmission Grating + HRC-S (LETG), 0.08-6 keV
proposals: due Mar 15, 2007 6pm EST, Cycle 9
XMM, The X-ray Multi-Mirror Mission (XMM-Newton), 0.1-15 keV (Dec 1999 - )
payload:
1. 3 co-aligned Wolter Type I grazing incidence gold-coated imaging X-ray telescopes, which are: European Photon Imaging Camera Metal-Oxide-Silicon (EPIC-MOS; 0.1-15 keV; 2 units), uropean Photon Imaging Camera-PN (0.1-15 keV; 1 unit), and Reflection Grating Spectrometer (RGS; 0.35-2.5 keV two units) + EPIC-MOS
2. Optical Monitor (OM; 180-650 nm)
proposals: due Oct 2007 for AO-7 for observations to be conducted on May 2008 - May 2009
2000s:
Astro-E (lost on launch in Feb 10, 2000)
Suzaku (formerly Astro-E2), 0.2-600 keV (Jul 2005 - )
payload:
1. 5 nested conical thin-foil grazing incidence telescopes (XRT) with one of 2 detectors, X-ray Spectrometer (XRS; 0.3-12 keV; one unit) or X-ray Imaging Spectrometer (XIS; 0.2-12 keV; four units)
2. Hard X-ray Detector (HXD; 10-600 keV)
Swift-XRT, X-Ray Telescope, 0.3-10 keV (Nov 2004 - ) - Swift is actually Gamma Satellite (see below), but it has X-ray telescope on board
all payload:
1. Burst Alert Telescope (BAT), 15 - 150 keV
2. X-ray Telescope (XRT), 0.3 - 10 keV
3. UV/Optical Telescope (UVOT), 170 - 650 nm
2010s:
Constellation-X
range:
1960s:
Explorer-XI (Apr - Sep 1961), detected 22 cosmic gamma-rays
OSO-3, Orbiting Solar Observatory-3, found galactic plane anisotropy of high-energy gammas
Vela 5A, Vela 5B - first hints of gamma-ray birsts (GRB)
and also Ranger 3, OSO-1, Ranger 5, OGO-1, Cosmos 60, Proton 1, ORS 3, Proton 2, Luna 10, OGO-3, Luna 12, Cosmos 135, ORS 4, Cosmos 163, OSO-4, OGO-5, OSO-5, OSO-6
finished in 1979
1970s:
SAS-2, The Small Astronomy Satellite 2 (Nov 1972 - Jun 1973), found a diffuse gamma-ray background, Geminga pulsar (1973), 20 MeV - 1 GeV
COS-B (Oct 1975 - Apr 1982), produced the first detailed map of the sky at gamma-ray, pulsars, 2 keV - 5 GeV
and also Vela 6A/B, IMP 6, Apollo 15, OSO-7, Cosmos 461, TD-1A, Apollo 16, Prognoz 2, Radsat, IMP 7, Mars 4, Mars 5, Aryabhata, OSO-8, Helios 2, Solrad 11A, Solrad 11B, Cosmos 856, Cosmos 914, SIGNE 3, HEAO-1, Prognoz 6, Pioneer Venus, ISEE-3, Venera 11, Venera 12, Prognoz 7, Cosmos 1106, HEAO-3
finished in 1992
1980s:
Solar Max, Venera 13, Venera 14, Prognoz 9, Ginga, Kvant, DMSP 8, DMSP 9, Phobos 1, Phobos 2, Granat (finished in 1998)
1990s:
CGRO, The Compton Gamma Ray Observatory (Compton-GRO), 30 keV - 30 GeV (Apr 1991 - Jun 2000)
payload:
1. The Burst and Transient Source Experiment (BATSE), an all sky monitor 20-1000 keV
2. The Oriented Scintillation Spectrometer Experiment (OSSE), 0.05-10 MeV
3. The Compton Telescope (Comptel), 0.8-30 MeV capable of imaging 1 ster
4. Energetic Gamma Ray Experiment Telescope (EGRET), 30 MeV-10 GeV
LEGRI, Low Energy Gamma-Ray Imager (Apr 1997 - Feb 2002)
Gamma (Jul 1990 - 1992)
Ulysses, as Gamma-Ray as X-Ray observatory (Oct 1990 - )
payload:
1. two hard X-ray detectors (15-150 keV)
2. two soft X-ray detectors (5-20 keV)
DMSP 10, Defense Meteorological Satellites Program (Dec 1990 - Sep 1994)
DMSP 11 (Nov 1991 - )
SROSS 3, Stretched Rohini Satellite Series (May - Jul 1992)
EURECA, The European Retrievable Carrier (Aug 1992 - Jul 1993)
Mars Observer (Sep 1992 - Aug 1993)
DMSP 12 (Aug 1994 - )
Wind (Nov 1994 - )
instruments:
1. Three-Dimensional Plasma analyzer (3DP) experiment
2. Transient Gamma-Ray Spectrometer (TGRS), 15 keV - 10 MeV
3. Magnetic Fields Instrument (MFI)
4. Plasma and Radio Waves (WAVES) experiment
5. Solar Wind Experiment (SWE)
6. Energetic Particle Acceleration, Composition and Transport (EPACT) experiment
7. Solar Wind and Suprathermal Ion Composition Studies (SWICS/STICS) experiment
8. Gamma Ray Burst Detector (KONUS), 10-770 keV
DMSP 13 (Mar 1995 - )
NEAR, The Near Earth Asteroid Rendezvous (Feb 1996 - Feb 2001)
DMSP 14 (Apr 1997 - )
DMSP 15 (Dec 1999 - )
2000s:
HETE-2, The High Energy Transient Explorer Mission (Oct 2000 - ), as Gamma-Ray as X-Ray observatory
payload:
1. set of wide-field gamma-ray spectrometers (FREGATE)
2. wide-field X-ray monitor (WXM)
3. set of soft X-ray cameras (SXC)
INTEGRAL, The INTErnational Gamma-Ray Astrophysics Laboratory, 15 keV - 10 MeV (Oct 2002 - ), X-ray concurrent monitoring is also possible
payload:
1. SPectrometer on INTEGRAL (SPI), 20 keV - 8 MeV
2. Imager on Board the Integral Satellite (IBIS), 15 keV - 10 MeV
3. The Joint European X-Ray Monitor (JEM-X), 3-35 keV
4. The Optical Monitoring Camera (OMC), 500 - 850 nm
proposals: due Apr 20, 2007; AO-5 observing cycle is Aug 16, 2007 - Aug 15, 2008
Swift, The Swift Gamma-ray Burst Explorer, 0.3-150 keV (Nov 2004 - ), as Gamma-Ray as X-Ray observatory
payload:
1. Burst Alert Telescope (BAT), 15 - 150 keV
2. X-ray Telescope (XRT), 0.3 - 10 keV
3. UV/Optical Telescope (UVOT), 170 - 650 nm
proposals: due Apr 13, 2007, limited number of Targets of Opportunity, must be related to GRB (I guess), PI should be on US institution; all data are immediately public, so you can use already existent data
Fermi (former GLAST), The Gamma Ray Large Area Space Telescope, 20 MeV - 300 GeV (to be launched on Oct 7, 2007), Fermi mission (my links)
payload:
1. Large Area Telescope (LAT), 20 MeV - 300 GeV
2. Gamma-Ray Burst Monitor (GBM), 10 keV - 25 MeV
AGILE, Astro-rivelatore Gamma a Immagini LEggero, 30 MeV - 50 GeV (to be launched on 2007-2008)