| advanced camera for surveys | ACS | 199 | 18 | 2.001448 | 0510070,0510430,etc |
| kolmogorov smirnov | KS | 100 | 17 | 1.000797 | 0510076,0510555,etc |
| signal to noise | S/N | 69 | 16 | 1.000412 | 0510721,0510447,etc |
| wolf rayet | WR | 451 | 15 | 2.0046 | 0510612,0510362,etc |
| astrophysical research consortium | ARC | 17 | 13 | 1.000106 | 0510371,0510124,etc |
| max planck institute for astronomy | MPIA | 13 | 13 | 1.000052 | 0510371,0510124,etc |
| space telescope imaging spectrograph | STIS | 62 | 9 | 1.000779 | 0510785,0510401,etc |
| star formation history | SFH | 62 | 8 | 1.001196 | 0510513,0510733,etc |
| burst and transient source experiment | BATSE | 36 | 7 | 2.00087 | 0510775,0510813,etc |
| synchrotron self compton | SSC | 31 | 7 | 2.00089 | 0510730,0510449,etc |
| inverse compton | IC | 139 | 7 | 2.001149 | 0510114,0510191,etc |
| integrated sachs wolfe | ISW | 49 | 6 | 1.001814 | 0510849,0510003,etc |
| intra cluster medium | ICM | 91 | 6 | 2.001804 | 0510234,0510797,etc |
| wide field camera | WFC | 15 | 5 | 1.000228 | 0510129,0510454,etc |
| infrared array camera | IRAC | 150 | 5 | 1.003122 | 0510070,0510664,etc |
| proportional counter array | PCA | 39 | 5 | 2.001751 | 0510663,0510483,etc |
| particle physics and astronomy research council | PPARC | 7 | 5 | 1.00016 | 0510397,0510394,etc |
| advanced ccd imaging spectrometer | ACIS | 11 | 5 | 1.000668 | 0510110,0510442,etc |
| scientific discovery through advanced computing | SciDAC | 5 | 5 | 1.000167 | 0510229,0510706,etc |
| colour magnitude diagram | CMD | 36 | 5 | 2.000903 | 0510171,0510225,etc |
| very large telescope interferometer | VLTI | 44 | 4 | 2.000277 | 0510736,0510179,etc |
| soft gamma ray repeater | SGR | 68 | 4 | 1.002555 | 0510578,0510134,etc |
| three dimensional | 3D | 21 | 4 | 2.00086 | 0510711,0510744,etc |
| star formation rate density | SFRD | 27 | 4 | 1.000568 | 0510848,0510299,etc |
| full width half maximum | FWHM | 10 | 4 | 1.000081 | 0510218,0510599,etc |
| hardness ratio | HR | 84 | 4 | 1.002046 | 0510040,0510661,etc |
| dwarf spheroidal | dSph | 121 | 4 | 1.003142 | 0510025,0510142,etc |
| magnetohydrodynamical | MHD | 12 | 4 | 1.000137 | 0510032,0510350,etc |
| burst alert telescope | BAT | 38 | 4 | 2.001936 | 0510852,0510368,etc |
| windowed timing | WT | 15 | 4 | 2.0004 | 0510677,0510368,etc |
| all sky monitor | ASM | 20 | 4 | 2.000637 | 0510340,0510483,etc |
| local thermodynamical equilibrium | LTE | 6 | 3 | 1.000261 | 0510342,0510354,etc |
| ministry for education, university and research | MIUR | 3 | 3 | 1.0001 | 0510693,0510085,etc |
| first ionization potential | FIP | 10 | 3 | 1.000573 | 0510264,0510023,etc |
| national research council | NRC | 4 | 3 | 1.000053 | 0510009,0510857,etc |
| near infrared camera and multi object spectrometer | NICMOS | 40 | 3 | 2.000537 | 0510787,0510580,etc |
| intermediate dispersion spectrograph | IDS | 3 | 3 | 1.000031 | 0510400,0510638,etc |
| narrow line seyfert 1 | NLSy1 | 26 | 3 | 2.002179 | 0510013,0510776,etc |
| non lte | NLTE | 28 | 3 | 1.000688 | 0510721,0510744,etc |
| palomar green | PG | 131 | 3 | 1.007497 | 0510564,0510776,etc |
| rosat all sky survey | RASS | 32 | 3 | 2.001302 | 0510564,0510049,etc |
| low surface brightness | LSB | 83 | 3 | 2.008191 | 0510361,0510259,etc |
| black hole candidate | BHC | 31 | 3 | 2.005095 | 0510193,0510205,etc |
| proportional counter unit | PCU | 9 | 3 | 1.000333 | 0510193,0510663,etc |
| period luminosity | PL | 30 | 3 | 2.003944 | 0510514,0510174,etc |
| photodissociation region | PDR | 23 | 3 | 2.000906 | 0510856,0510518,etc |
| power density spectra | PDS | 11 | 3 | 1.000476 | 0510531,0510699,etc |
| charge transfer efficiency | CTE | 6 | 3 | 1.000033 | 0510144,0510508,etc |
| lyman emitter | LAE | 67 | 3 | 2.006483 | 0510672,0510601,etc |
| department of energy | DoE | 6 | 3 | 1.000385 | 0510706,0510786,etc |
| gamma ray burster | GRB | 51 | 3 | 1.003167 | 0510259,0510172,etc |
| optical monitor | OM | 22 | 3 | 1.000338 | 0510079,0510776,etc |
| vimos vlt deep survey | VVDS | 20 | 3 | 1.00151 | 0510083,0510363,etc |
| x ray luminosity function | XLF | 68 | 3 | 2.002609 | 0510049,0510817,etc |
| chandra interactive analysis of observations | CIAO | 6 | 3 | 1.000074 | 0510749,0510466,etc |
| short wavelength spectrometer | SWS | 12 | 3 | 1.000792 | 0510156,0510570,etc |
| 2 micron all sky survey | 2MASS | 24 | 3 | 1.001025 | 0510004,0510510,etc |
| soft x ray camera | SXC | 10 | 3 | 1.000459 | 0510190,0510483,etc |
| ultra deep field | UDF | 43 | 3 | 2.002347 | 0510244,0510145,etc |
| the red giant branch | TRGB | 103 | 3 | 2.004121 | 0510298,0510253,etc |
| hot bottom burning | HBB | 14 | 3 | 1.00023 | 0510113,0510308,etc |