| max planck institute for astronomy | MPIA | 107 | 107 | 1.000121 | 0401098,0401249,etc |
| astrophysical research consortium | ARC | 130 | 106 | 1.00018 | 0401098,0401249,etc |
| inverse compton | IC | 1121 | 83 | 1.242674 | 0401122,0401523,etc |
| advanced camera for surveys | ACS | 886 | 82 | 1.733148 | 0401570,0401483,etc |
| kolmogorov smirnov | K-S | 312 | 76 | 1.184764 | 0401619,0401088,etc |
| signal to noise | S/N | 413 | 75 | 1.467287 | 0401427,0401263,etc |
| wolf rayet | WR | 1634 | 75 | 1.590784 | 0401571,0401135,etc |
| low surface brightness | LSB | 791 | 57 | 1.354764 | 0401349,0401364,etc |
| space telescope imaging spectrograph | STIS | 624 | 54 | 1.7791 | 0401469,0401226,etc |
| colour magnitude diagram | CMD | 738 | 51 | 1.550932 | 0401004,0401418,etc |
| wide field camera | WFC | 270 | 50 | 1.300769 | 0401025,0401374,etc |
| advanced ccd imaging spectrometer | ACIS | 412 | 50 | 1.761127 | 0401592,0401377,etc |
| intra cluster medium | ICM | 668 | 50 | 1.562493 | 0401462,0401576,etc |
| proportional counter array | PCA | 427 | 49 | 1.674622 | 0401465,0401205,etc |
| synchrotron self compton | SSC | 353 | 49 | 1.490793 | 0401356,0401271,etc |
| full width half maximum | FWHM | 202 | 48 | 1.396217 | 0401051,0401139,etc |
| friedmann robertson walker | FRW | 176 | 44 | 1.250602 | 0401293,0401504,etc |
| science analysis system | SAS | 102 | 43 | 1.163017 | 0401299,0401305,etc |
| european photon imaging camera | EPIC | 399 | 39 | 1.51413 | 0401299,0401227,etc |
| rosat all sky survey | RASS | 318 | 39 | 1.411837 | 0401167,0401264,etc |
| markov chain monte carlo | MCMC | 241 | 39 | 1.411356 | 0402359,0402296,etc |
| two dimensional | 2D | 333 | 35 | 1.45782 | 0402225,0402476,etc |
| star formation history | SFH | 267 | 34 | 1.3245 | 0401427,0401387,etc |
| all sky monitor | ASM | 223 | 34 | 1.324435 | 0401222,0401476,etc |
| dwarf spheroidal | dSph | 754 | 34 | 1.913946 | 0401595,0401378,etc |
| integrated sachs wolfe | ISW | 369 | 33 | 1.486936 | 0401166,0401515,etc |
| sunyaev zeldovich | SZ | 748 | 32 | 2.004181 | 0401340,0401191,etc |
| wide field planetary camera 2 | WFPC2 | 222 | 31 | 1.581267 | 0402197,0402062,etc |
| hubble deep field north | HDF-N | 155 | 29 | 1.276668 | 0401500,0401047,etc |
| innermost stable circular orbit | ISCO | 138 | 29 | 1.276603 | 0401173,0401117,etc |
| three dimensional | 3D | 414 | 29 | 1.312233 | 0401544,0401563,etc |
| monte carlo | MC | 330 | 29 | 1.519114 | 0401531,0401574,etc |
| sunyaev zel'dovich | SZ | 1704 | 29 | 1.591616 | 0402366,0402333,etc |
| narrow line seyfert 1 galaxy | NLS1 | 703 | 27 | 1.931697 | 0401167,0401173,etc |
| particle physics and astronomy research council | PPARC | 34 | 26 | 1.000136 | 0401399,0401633,etc |
| infrared array camera | IRAC | 478 | 26 | 2.003472 | 0403166,0403582,etc |
| reflection grating spectrometer | RGS | 256 | 25 | 1.801804 | 0401327,0401328,etc |
| charge transfer inefficiency | CTI | 98 | 24 | 1.208968 | 0401165,0401592,etc |
| nasa extragalactic database | NED | 66 | 24 | 1.208633 | 0401187,0401173,etc |
| large velocity gradient | LVG | 107 | 23 | 1.174194 | 0401325,0401482,etc |
| one dimensional | 1-D | 176 | 23 | 1.348494 | 0402476,0402478,etc |
| legacy archive for microwave background data analysis | LAMBDA | 53 | 23 | 1.000308 | 0404567,0404206,etc |
| friends of friends | FoF | 82 | 22 | 1.227587 | 0401097,0401342,etc |
| position velocity | PV | 170 | 22 | 1.410097 | 0401325,0401485,etc |
| photodissociation region | PDR | 185 | 22 | 1.592567 | 0402241,0402388,etc |
| hardness ratio | HR | 235 | 22 | 1.637412 | 0402480,0402623,etc |
| power density spectra | PDS | 305 | 21 | 2.00302 | 0401227,0401589,etc |
| narrow line seyfert 1 | NLS1 | 369 | 21 | 1.574638 | 0401168,0401173,etc |
| medium energy grating | MEG | 184 | 20 | 2.000924 | 0401226,0401583,etc |
| 2 micron all sky survey | 2MASS | 256 | 20 | 1.601422 | 0401092,0401643,etc |
| blue compact dwarf | BCD | 334 | 19 | 1.317013 | 0401394,0401462,etc |
| ancillary response file | ARF | 44 | 19 | 1.157987 | 0401023,0401604,etc |
| proportional counter unit | PCU | 118 | 18 | 1.278402 | 0401222,0401476,etc |
| low mass x ray binaries | LMXB | 114 | 18 | 1.279075 | 0402416,0402511,etc |
| faint object spectrograph | FOS | 99 | 18 | 1.111614 | 0402660,0402336,etc |
| the red giant branch | TRGB | 540 | 17 | 2.003914 | 0401098,0401092,etc |
| atacama large millimeter array | ALMA | 119 | 17 | 1.472963 | 0401402,0401073,etc |
| two degree field | 2dF | 96 | 17 | 1.353343 | 0401218,0401039,etc |
| particle mesh | PM | 174 | 17 | 1.118823 | 0402230,0402115,etc |
| power law | PL | 207 | 17 | 1.765637 | 0402197,0402621,etc |
| high energy transmission grating spectrometer | HETGS | 91 | 17 | 1.412357 | 0403085,0403495,etc |
| optical monitor | OM | 72 | 16 | 1.250536 | 0401498,0401173,etc |
| navarro frenk white | NFW | 313 | 16 | 1.564483 | 0402165,0402314,etc |
| line of sight velocity distribution | LOSVD | 165 | 16 | 1.377634 | 0403226,0403232,etc |
| black hole candidate | BHC | 198 | 15 | 1.602234 | 0401299,0401205,etc |
| period luminosity | PL | 368 | 15 | 1.673175 | 0401273,0401211,etc |
| high energy grating | HEG | 141 | 15 | 1.867845 | 0401226,0401583,etc |
| herbig haro | HH | 772 | 15 | 1.471837 | 0401486,0401177,etc |
| ultra deep field | UDF | 184 | 15 | 1.537754 | 0403585,0403223,etc |
| early data release | EDR | 82 | 15 | 1.267766 | 0404226,0404358,etc |
| hard x ray | HXR | 196 | 14 | 1.287636 | 0401381,0401478,etc |
| deutsche forschungsgemeinschaft | DFG | 15 | 14 | 1.000094 | 0402501,0402563,etc |
| magnetohydrodynamical | MHD | 234 | 14 | 1.64392 | 0404451,0404153,etc |
| opacity project | OP | 544 | 14 | 1.507113 | 0404325,0404437,etc |
| cosmic infrared background | CIB | 161 | 13 | 1.38732 | 0401401,0401617,etc |
| chandra x ray center | CXC | 29 | 13 | 1.000059 | 0401013,0401240,etc |
| photon dominated region | PDR | 151 | 13 | 1.693861 | 0401390,0401309,etc |
| greisen zatsepin kuzmin | GZK | 85 | 13 | 1.462151 | 0401084,0401523,etc |
| uv visual echelle spectrograph | UVES | 76 | 13 | 1.000592 | 0402336,0402408,etc |
| submillimeter array | SMA | 150 | 13 | 2.001203 | 0403429,0403145,etc |
| redistribution matrix file | RMF | 24 | 13 | 1.000087 | 0403159,0403026,etc |
| maximum likelihood | ML | 64 | 13 | 1.384896 | 0403073,0403436,etc |
| hertzsprung russell | H-R | 67 | 13 | 1.308211 | 0403684,0403591,etc |
| spitzer science center | SSC | 29 | 13 | 1.000251 | 0405616,0405635,etc |
| orion nebula cluster | ONC | 130 | 13 | 1.462603 | 0405003,0405467,etc |
| kelvin helmholtz | KH | 134 | 13 | 1.308393 | 0406182,0406184,etc |
| collisional ionization equilibrium | CIE | 49 | 12 | 1.000194 | 0401165,0401377,etc |
| colour magnitude | CM | 108 | 12 | 1.584565 | 0401610,0401330,etc |
| x ray luminosity function | XLF | 183 | 12 | 1.50284 | 0402581,0402140,etc |
| very high energy | VHE | 82 | 12 | 1.334239 | 0403627,0403097,etc |
| soft gamma ray repeater | SGR | 180 | 12 | 2.003754 | 0403018,0403539,etc |
| cold neutral medium | CNM | 124 | 12 | 1.584248 | 0404005,0404148,etc |
| first look survey | FLS | 109 | 12 | 1.252428 | 0405604,0405418,etc |
| infrared spectrograph | IRS | 183 | 12 | 1.835489 | 0405632,0405614,etc |
| wide field and planetary camera 2 | WFPC2 | 59 | 11 | 1.182116 | 0401373,0401399,etc |
| goddard high resolution spectrograph | GHRS | 98 | 11 | 1.45525 | 0401009,0401399,etc |
| inter galactic medium | IGM | 138 | 11 | 1.637425 | 0401506,0401462,etc |
| total variation diminishing | TVD | 28 | 11 | 1.000287 | 0402561,0402115,etc |
| burst and transient source experiment | BATSE | 211 | 11 | 1.820817 | 0402107,0402587,etc |
| point source catalog | PSC | 51 | 11 | 1.182122 | 0402531,0402259,etc |
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