| advanced camera for surveys | ACS | 2191 | 142 | 1.586647 | 0501633,0501475,etc |
| astrophysical research consortium | ARC | 169 | 128 | 1.000138 | 0501178,0501042,etc |
| max planck institute for astronomy | MPIA | 129 | 128 | 1.000074 | 0501178,0501042,etc |
| kolmogorov smirnov | K-S | 561 | 121 | 1.413761 | 0501505,0501550,etc |
| signal to noise | S/N | 636 | 120 | 1.233962 | 0501018,0501228,etc |
| inverse compton | IC | 840 | 80 | 1.826792 | 0501265,0501391,etc |
| space telescope imaging spectrograph | STIS | 846 | 79 | 1.62123 | 0501481,0501382,etc |
| wolf rayet | WR | 1971 | 69 | 1.859243 | 0501563,0501391,etc |
| wide field camera | WFC | 303 | 61 | 1.410698 | 0501375,0501475,etc |
| intra cluster medium | ICM | 774 | 59 | 1.493435 | 0501432,0501658,etc |
| colour magnitude diagram | CMD | 764 | 56 | 1.644252 | 0501481,0501511,etc |
| advanced ccd imaging spectrometer | ACIS | 482 | 55 | 1.456057 | 0501501,0501561,etc |
| proportional counter array | PCA | 417 | 52 | 1.616483 | 0501285,0501297,etc |
| star formation history | SFH | 333 | 50 | 1.32083 | 0501188,0501492,etc |
| full width half maximum | FWHM | 161 | 49 | 1.204465 | 0501628,0501076,etc |
| dwarf spheroidal | dSph | 1390 | 45 | 1.715604 | 0501398,0501083,etc |
| friedmann robertson walker | FRW | 155 | 43 | 1.093492 | 0501396,0501652,etc |
| particle physics and astronomy research council | PPARC | 59 | 43 | 1.0002 | 0501265,0501208,etc |
| very high energy | VHE | 477 | 42 | 1.383059 | 0501576,0501199,etc |
| synchrotron self compton | SSC | 246 | 41 | 1.440045 | 0501576,0501610,etc |
| all sky monitor | ASM | 390 | 40 | 1.626826 | 0501285,0501386,etc |
| monte carlo | M-C | 267 | 37 | 1.406565 | 0501380,0501146,etc |
| wide field planetary camera 2 | WFPC2 | 287 | 35 | 1.715259 | 0501341,0501083,etc |
| low surface brightness | LSB | 512 | 35 | 1.175242 | 0501406,0501567,etc |
| science analysis system | SAS | 86 | 35 | 1.171747 | 0501377,0501587,etc |
| photodissociation region | PDR | 559 | 34 | 1.502229 | 0501034,0501536,etc |
| three dimensional | 3D | 327 | 34 | 1.883512 | 0501146,0501267,etc |
| friends of friends | FoF | 109 | 33 | 1.242787 | 0501452,0501224,etc |
| markov chain monte carlo | MCMC | 191 | 33 | 1.546454 | 0501174,0501631,etc |
| integrated sachs wolfe | iSW | 321 | 33 | 1.456827 | 0502208,0502139,etc |
| super massive black hole | SMBH | 315 | 32 | 1.345194 | 0501253,0501520,etc |
| two dimensional | 2D | 437 | 30 | 1.200967 | 0501315,0501253,etc |
| soft gamma ray repeater | SGR | 433 | 30 | 1.50263 | 0502320,0502417,etc |
| infrared array camera | IRAC | 607 | 30 | 1.468426 | 0502100,0502189,etc |
| magneto rotational instability | MRI | 184 | 28 | 1.287068 | 0501468,0501198,etc |
| rosat all sky survey | RASS | 220 | 28 | 1.429923 | 0501113,0501586,etc |
| proportional counter unit | PCU | 176 | 27 | 1.296719 | 0501087,0501064,etc |
| nasa extragalactic database | NED | 62 | 26 | 1.230971 | 0501664,0501188,etc |
| european photon imaging camera | EPIC | 219 | 26 | 1.385422 | 0502461,0502298,etc |
| burst alert telescope | BAT | 230 | 26 | 1.309592 | 0502326,0502468,etc |
| power density spectra | PDS | 379 | 25 | 1.801988 | 0501186,0501306,etc |
| ultra luminous x ray source | ULX | 1537 | 25 | 1.724815 | 0501306,0501242,etc |
| ultra luminous infrared galaxy | ULIRG | 368 | 25 | 1.521396 | 0501250,0501486,etc |
| infrared spectrograph | IRS | 335 | 25 | 1.602581 | 0502103,0502569,etc |
| x ray luminosity function | XLF | 443 | 25 | 1.682171 | 0503477,0503150,etc |
| hubble deep field north | HDFN | 79 | 24 | 1.083523 | 0501382,0501397,etc |
| charge transfer inefficiency | CTI | 134 | 23 | 1.131772 | 0501432,0501542,etc |
| orion nebula cluster | ONC | 453 | 23 | 1.827441 | 0501075,0501534,etc |
| submillimeter array | SMA | 266 | 23 | 1.697132 | 0504468,0504074,etc |
| sunyaev zel'dovich | SZ | 516 | 22 | 1.276384 | 0502234,0502413,etc |
| dwarf elliptical | dE | 519 | 22 | 1.912807 | 0502517,0502525,etc |
| ultra deep field | UDF | 470 | 22 | 1.684505 | 0503093,0503275,etc |
| good time interval | GTI | 54 | 21 | 1.095429 | 0501347,0501521,etc |
| period luminosity | PL | 516 | 21 | 1.623821 | 0503598,0503637,etc |
| power law | PL | 213 | 20 | 1.751149 | 0501528,0501253,etc |
| innermost stable circular orbit | ISCO | 193 | 20 | 1.251282 | 0502140,0502461,etc |
| collisional ionization equilibrium | CIE | 90 | 19 | 1.474053 | 0501543,0501561,etc |
| burst and transient source experiment | BATSE | 138 | 19 | 1.896147 | 0501576,0501386,etc |
| dwarf irregular | dIrr | 197 | 19 | 1.687247 | 0502525,0502402,etc |
| ultra high energy | UHE | 264 | 19 | 1.685967 | 0503304,0503612,etc |
| compact steep spectrum | CSS | 179 | 18 | 1.33461 | 0501544,0501616,etc |
| particle mesh | PM | 543 | 18 | 1.615121 | 0501029,0501098,etc |
| particle in cell | PIC | 77 | 18 | 1.27853 | 0502331,0502372,etc |
| cosmic infrared background | CIRB | 389 | 18 | 2.004202 | 0503389,0503503,etc |
| black hole candidate | BHC | 183 | 18 | 1.891609 | 0504168,0504318,etc |
| line of sight velocity distribution | LOSVD | 164 | 17 | 1.588979 | 0501418,0501446,etc |
| wide field and planetary camera 2 | WFPC2 | 160 | 17 | 1.647884 | 0502378,0502268,etc |
| wide field channel | WFC | 300 | 17 | 1.472033 | 0507521,0507394,etc |
| medium energy grating | MEG | 141 | 16 | 1.750595 | 0501472,0501122,etc |
| low luminosity agn | LLAGN | 118 | 16 | 1.75035 | 0501411,0501008,etc |
| herbig haro | HH | 482 | 16 | 1.752543 | 0502285,0502107,etc |
| legacy archive for microwave background data analysis | LAMBDA | 34 | 16 | 1.000219 | 0503388,0503402,etc |
| tully fisher | TF | 80 | 16 | 1.250835 | 0503536,0503597,etc |
| 2 micron all sky survey | 2MASS | 262 | 16 | 1.814297 | 0504320,0504016,etc |
| blue compact dwarf | BCD | 285 | 16 | 1.502952 | 0505128,0505340,etc |
| ultra violet | UV | 136 | 15 | 1.801088 | 0501347,0501382,etc |
| cold neutral medium | CNM | 276 | 15 | 1.869313 | 0501550,0501482,etc |
| narrow line seyfert 1 galaxy | NLS1 | 243 | 15 | 2.002696 | 0501656,0501521,etc |
| atacama large millimeter array | ALMA | 70 | 15 | 1.200672 | 0502218,0502586,etc |
| near infrared camera and multi object spectrometer | NICMOS | 168 | 15 | 1.534776 | 0503093,0503310,etc |
| large velocity gradient | LVG | 91 | 15 | 1.134048 | 0504377,0504569,etc |
| magnetohydrodynamical | MHD | 170 | 15 | 1.400668 | 0504247,0504381,etc |
| high energy transmission grating spectrometer | HETGS | 70 | 14 | 1.428878 | 0501472,0501097,etc |
| warm neutral medium | WNM | 101 | 14 | 1.286072 | 0501550,0501332,etc |
| adaptive refinement tree | ART | 55 | 14 | 1.143077 | 0501227,0501179,etc |
| high energy grating | HEG | 238 | 14 | 1.644767 | 0501472,0501122,etc |
| kelvin helmholtz | K-H | 81 | 14 | 1.214859 | 0501501,0501288,etc |
| short wavelength spectrometer | SWS | 139 | 14 | 1.144312 | 0502400,0502079,etc |
| optical monitor | OM | 95 | 14 | 1.643436 | 0503470,0503678,etc |
| chandra x ray center | CXC | 36 | 14 | 1.000229 | 0503430,0503319,etc |
| narrow line seyfert 1 | NLS1 | 166 | 14 | 1.859645 | 0504159,0504152,etc |
| japan society for the promotion of science | JSPS | 23 | 14 | 1.000233 | 0506013,0506233,etc |
| power density spectrum | PDS | 196 | 13 | 1.387082 | 0501297,0501277,etc |
| very large telescope interferometer | VLTI | 143 | 13 | 1.770845 | 0501261,0501532,etc |
| deutsche forschungsgemeinschaft | DFG | 14 | 13 | 1.000071 | 0501525,0501654,etc |
| hertzsprung russell | HR | 49 | 13 | 1.000466 | 0501210,0501497,etc |
| hardness ratio | HR | 134 | 13 | 1.385595 | 0501377,0501076,etc |
| position velocity | P-V | 121 | 13 | 2.001813 | 0502101,0502036,etc |
| high resolution camera | HRC | 96 | 13 | 1.539045 | 0502242,0502347,etc |
| optical transient | OT | 218 | 13 | 1.618162 | 0504592,0504602,etc |
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