| max planck institute for astronomy | MPIA | 14 | 14 | 1.000131 | 0307336,0307082,etc |
| astrophysical research consortium | ARC | 25 | 12 | 2.000593 | 0307336,0307082,etc |
| proportional counter array | PCA | 84 | 10 | 1.001023 | 0307458,0307195,etc |
| space telescope imaging spectrograph | STIS | 89 | 10 | 1.001758 | 0307083,0307257,etc |
| integrated sachs wolfe | ISW | 115 | 8 | 2.003719 | 0307104,0307335,etc |
| advanced camera for surveys | ACS | 28 | 7 | 2.001067 | 0307383,0307226,etc |
| markov chain monte carlo | MCMC | 29 | 6 | 1.00072 | 0307098,0307248,etc |
| wide field planetary camera 2 | WFPC2 | 97 | 6 | 2.001011 | 0307383,0307125,etc |
| kolmogorov smirnov | K-S | 24 | 6 | 1.000205 | 0307383,0307357,etc |
| friedmann robertson walker | FRW | 9 | 5 | 1.000164 | 0307477,0307071,etc |
| advanced ccd imaging spectrometer | ACIS | 34 | 5 | 2.000518 | 0307458,0307031,etc |
| european photon imaging camera | EPIC | 43 | 5 | 1.004143 | 0307223,0307420,etc |
| early data release | EDR | 38 | 5 | 1.000778 | 0307465,0307124,etc |
| science analysis system | SAS | 10 | 5 | 1.000295 | 0307420,0307368,etc |
| wide field camera | WFC | 22 | 5 | 1.000905 | 0307075,0307179,etc |
| proportional counter unit | PCU | 19 | 4 | 1.000607 | 0307458,0307195,etc |
| sunyaev zel'dovich | SZ | 46 | 4 | 1.001944 | 0307098,0307335,etc |
| position velocity | P-V | 19 | 4 | 1.000416 | 0307315,0307099,etc |
| high resolution imager | HRI | 95 | 4 | 1.002417 | 0307159,0307164,etc |
| colour magnitude diagram | CMD | 47 | 4 | 2.000888 | 0307503,0307329,etc |
| magneto rotational instability | MRI | 27 | 4 | 2.001043 | 0307084,0307472,etc |
| black hole candidate | BHC | 22 | 3 | 2.000593 | 0307458,0307385,etc |
| inter stellar medium | ISM | 37 | 3 | 2.001113 | 0307528,0307171,etc |
| wolf rayet | WR | 16 | 3 | 1.000306 | 0307096,0307407,etc |
| charge transfer efficiency | CTE | 14 | 3 | 1.000043 | 0307383,0307431,etc |
| inverse compton | IC | 23 | 3 | 2.000438 | 0307561,0307216,etc |
| reflection grating spectrometer | RGS | 38 | 3 | 2.001872 | 0307127,0307461,etc |
| high surface brightness | HSB | 8 | 3 | 1.000048 | 0307530,0307556,etc |
| magneto hydrodynamic | MHD | 15 | 3 | 2.000419 | 0307152,0307357,etc |
| low mass x ray binaries | LMXB | 14 | 3 | 1.000799 | 0307385,0307438,etc |
| greisen zatsepin kuzmin | GZK | 4 | 3 | 1.000393 | 0307391,0307439,etc |
| singular isothermal ellipsoid | SIE | 11 | 3 | 2.000524 | 0307422,0307345,etc |
| signal to noise | S/N | 32 | 3 | 2.000224 | 0307556,0307242,etc |
| chemically peculiar | CP | 11 | 3 | 1.000452 | 0307356,0307232,etc |
| synchrotron self compton | SSC | 18 | 3 | 2.001829 | 0307110,0307433,etc |
| dwarf spheroidal | dSph | 20 | 3 | 2.000115 | 0307446,0307401,etc |
| opacity distribution function | ODF | 14 | 3 | 1.000665 | 0307464,0307178,etc |