| advanced camera for surveys | ACS | 240 | 16 | 1.00235 | 0509135,0509216,etc |
| signal to noise | S/N | 96 | 13 | 1.000737 | 0509585,0509732,etc |
| max planck institute for astronomy | MPIA | 13 | 13 | 1.000068 | 0509135,0509294,etc |
| astrophysical research consortium | ARC | 16 | 12 | 1.000128 | 0509135,0509294,etc |
| inverse compton | IC | 94 | 10 | 2.002445 | 0509729,0509086,etc |
| space telescope imaging spectrograph | STIS | 104 | 10 | 2.000891 | 0509505,0509648,etc |
| kolmogorov smirnov | KS | 32 | 9 | 1.000383 | 0509074,0509493,etc |
| advanced ccd imaging spectrometer | ACIS | 91 | 8 | 1.003303 | 0509109,0509823,etc |
| burst alert telescope | BAT | 92 | 8 | 1.004132 | 0509660,0509164,etc |
| black hole candidate | BHC | 82 | 7 | 2.003567 | 0509758,0509110,etc |
| submillimeter array | SMA | 104 | 7 | 1.003139 | 0509467,0509865,etc |
| dwarf elliptical | dE | 142 | 7 | 2.002267 | 0509417,0509258,etc |
| monte carlo | MC | 52 | 7 | 2.001495 | 0509546,0509104,etc |
| infrared array camera | IRAC | 83 | 6 | 2.001003 | 0509894,0509768,etc |
| low surface brightness | LSB | 68 | 6 | 1.006154 | 0509644,0509294,etc |
| particle physics and astronomy research council | PPARC | 10 | 6 | 1.000184 | 0509493,0509136,etc |
| friends of friends | FOF | 13 | 6 | 1.00036 | 0509856,0509147,etc |
| science analysis system | SAS | 24 | 6 | 2.000525 | 0509136,0509584,etc |
| wide field planetary camera 2 | WFPC2 | 34 | 6 | 2.000522 | 0509293,0509720,etc |
| all sky monitor | ASM | 45 | 5 | 1.002222 | 0509758,0509424,etc |
| three dimensional | 3D | 49 | 5 | 2.001189 | 0509063,0509403,etc |
| innermost stable circular orbit | ISCO | 50 | 5 | 1.002591 | 0509668,0509237,etc |
| wide field camera | WFC | 11 | 5 | 1.000344 | 0509493,0509575,etc |
| photodissociation region | PDR | 66 | 5 | 2.001802 | 0509726,0509463,etc |
| magneto rotational instability | MRI | 33 | 5 | 1.001183 | 0509091,0509541,etc |
| infrared spectrograph | IRS | 45 | 5 | 2.001726 | 0509859,0509507,etc |
| short low | SL | 21 | 5 | 2.000349 | 0509859,0509507,etc |
| full width half maximum | FWHM | 16 | 5 | 1.000448 | 0509854,0509104,etc |
| dwarf spheroidal | dSph | 165 | 5 | 1.006817 | 0509834,0509258,etc |
| star formation history | SFH | 14 | 4 | 1.000609 | 0509894,0509469,etc |
| colour magnitude diagram | CMD | 30 | 4 | 2.001588 | 0509881,0509795,etc |
| period luminosity | P-L | 46 | 4 | 2.004013 | 0509390,0509618,etc |
| markov chain monte carlo | MCMC | 18 | 4 | 2.001872 | 0509863,0509079,etc |
| high resolution camera | HRC | 21 | 4 | 1.001055 | 0509135,0509823,etc |
| uv visual echelle spectrograph | UVES | 43 | 4 | 1.000575 | 0509247,0509462,etc |
| sunyaev zel'dovich | SZ | 64 | 4 | 1.005752 | 0509883,0509818,etc |
| nasa extragalactic database | NED | 4 | 4 | 1.000032 | 0509726,0509160,etc |
| ultra luminous x ray source | ULX | 72 | 4 | 2.005604 | 0509565,0509086,etc |
| high energy transmission grating spectrometer | HETGS | 10 | 4 | 1.000171 | 0509900,0509349,etc |
| intra cluster medium | ICM | 144 | 4 | 1.002796 | 0509849,0509504,etc |
| large velocity gradient | LVG | 8 | 4 | 1.000445 | 0509554,0509492,etc |
| astronomical data analysis center | ADAC | 4 | 4 | 1.000076 | 0509861,0509077,etc |
| hubble deep field north | HDF-N | 11 | 4 | 1.000168 | 0509476,0509288,etc |
| intermediate frequency | IF | 17 | 4 | 1.000639 | 0509638,0509465,etc |
| wolf rayet | WR | 93 | 3 | 2.002898 | 0509303,0509749,etc |
| first look survey | FLS | 20 | 3 | 1.000245 | 0509894,0509058,etc |
| continuous viewing zone | CVZ | 6 | 3 | 1.00024 | 0509894,0509552,etc |
| wide field infrared camera | WIRC | 9 | 3 | 1.00136 | 0509894,0509143,etc |
| 2 degree field galaxy redshift survey | 2dFGRS | 12 | 3 | 2.000748 | 0509209,0509079,etc |
| power law | PL | 33 | 3 | 2.000403 | 0509133,0509796,etc |
| gigahertz peaked spectrum | GPS | 70 | 3 | 2.004831 | 0509718,0509128,etc |
| compact steep spectrum | CSS | 10 | 3 | 1.00087 | 0509718,0509128,etc |
| windowed timing | WT | 25 | 3 | 1.001238 | 0509640,0509689,etc |
| cold neutral medium | CNM | 37 | 3 | 2.001784 | 0509127,0509481,etc |
| total variation diminishing | TVD | 30 | 3 | 1.002189 | 0509127,0509591,etc |
| integral field spectroscopy | IFS | 33 | 3 | 1.000823 | 0509454,0509407,etc |
| ionization correction factor | ICF | 10 | 3 | 1.000107 | 0509677,0509588,etc |
| integrated sachs wolfe | ISW | 5 | 3 | 1.000118 | 0509079,0509301,etc |
| short wavelength spectrometer | SWS | 13 | 3 | 1.000255 | 0509586,0509507,etc |
| proportional counter array | PCA | 13 | 3 | 1.000127 | 0509370,0509011,etc |
| long low | LL | 14 | 3 | 1.000327 | 0509859,0509507,etc |
| chandra x ray center | CXC | 6 | 3 | 1.000117 | 0509782,0509053,etc |
| good time interval | GTI | 4 | 3 | 1.000083 | 0509782,0509018,etc |
| point source catalogue | PSC | 9 | 3 | 1.000534 | 0509139,0509289,etc |
| atacama large millimeter array | ALMA | 20 | 3 | 2.001927 | 0509460,0509467,etc |
| point source catalog | PSC | 18 | 3 | 2.001772 | 0509004,0509869,etc |
| charge transfer inefficiency | CTI | 87 | 3 | 1.009144 | 0509035,0509702,etc |
| luminous ir galaxy | LIRG | 15 | 3 | 1.000714 | 0509866,0509197,etc |
| lateral distribution function | LDF | 17 | 3 | 1.003574 | 0509501,0509256,etc |
| warm ionized medium | WIM | 19 | 3 | 1.001956 | 0509481,0509443,etc |
| near infrared camera and multi object spectrometer | NICMOS | 26 | 3 | 2.001254 | 0509759,0509352,etc |
| natural sciences and engineering research council of canada | NSERC | 9 | 3 | 1.000439 | 0509732,0509026,etc |
| groningen image processing system | GIPSY | 7 | 3 | 1.000047 | 0509382,0509695,etc |
| accelerated lambda iteration | ALI | 7 | 3 | 1.000228 | 0509066,0509218,etc |
| ordinary differential equation | ODE | 34 | 3 | 2.000615 | 0509008,0509137,etc |
| inter galactic medium | IGM | 22 | 3 | 2.001085 | 0509034,0509054,etc |
| dwarf irregular | dIrr | 27 | 3 | 2.001437 | 0509381,0509258,etc |
| deutsche forschungsgemeinschaft | DFG | 3 | 3 | 1.000123 | 0509381,0509330,etc |
| two dimensional | 2D | 21 | 3 | 1.000803 | 0509472,0509077,etc |