| max planck institute for astronomy | MPIA | 23 | 22 | 1.000083 | 0609695,0609462,etc |
| signal to noise | S/N | 42 | 12 | 2.000393 | 0609128,0609656,etc |
| astrophysical research consortium | ARC | 12 | 11 | 1.000072 | 0609462,0609514,etc |
| advanced camera for surveys | ACS | 84 | 9 | 2.001567 | 0609330,0609332,etc |
| very high energy | VHE | 171 | 8 | 2.003665 | 0609586,0609697,etc |
| three dimensional | 3D | 142 | 8 | 1.001355 | 0609088,0609505,etc |
| kolmogorov smirnov | K-S | 23 | 8 | 1.000588 | 0609404,0609513,etc |
| soft gamma ray repeater | SGR | 147 | 7 | 2.002694 | 0609571,0609078,etc |
| orion nebula cluster | ONC | 103 | 6 | 2.002101 | 0609160,0609679,etc |
| x ray imaging spectrometer | XIS | 161 | 6 | 2.0024 | 0609217,0609245,etc |
| intra cluster medium | ICM | 109 | 6 | 1.00211 | 0609615,0609191,etc |
| inverse compton | IC | 87 | 6 | 2.003151 | 0609724,0609149,etc |
| particle physics and astronomy research council | PPARC | 10 | 5 | 1.00055 | 0609586,0609710,etc |
| full width half maximum | FWHM | 18 | 5 | 1.000204 | 0609783,0609525,etc |
| front illuminated | FI | 25 | 5 | 1.000504 | 0609217,0609310,etc |
| space telescope imaging spectrograph | STIS | 45 | 5 | 1.002057 | 0609603,0609656,etc |
| infrared array camera | IRAC | 70 | 5 | 2.002403 | 0609619,0609670,etc |
| herbig haro | HH | 77 | 5 | 1.002486 | 0609222,0609234,etc |
| synchrotron self compton | SSC | 11 | 5 | 1.000293 | 0609009,0609534,etc |
| monte carlo | MC | 98 | 5 | 1.003612 | 0609228,0609751,etc |
| good time interval | GTI | 8 | 4 | 1.000067 | 0609462,0609160,etc |
| berkeley illinois maryland association | BIMA | 51 | 4 | 2.00119 | 0609590,0609176,etc |
| infrared spectrograph | IRS | 34 | 4 | 2.000604 | 0609135,0609706,etc |
| short low | SL | 41 | 4 | 2.000867 | 0609135,0609706,etc |
| colour magnitude diagram | CMD | 82 | 4 | 2.00331 | 0609764,0609277,etc |
| legacy archive for microwave background data analysis | LAMBDA | 7 | 4 | 1.000233 | 0609288,0609814,etc |
| back illuminated | BI | 14 | 4 | 1.000357 | 0609217,0609310,etc |
| proportional counter array | PCA | 49 | 4 | 2.000229 | 0609821,0609424,etc |
| particle in cell | PIC | 10 | 4 | 1.00017 | 0609407,0609034,etc |
| science analysis system | SAS | 8 | 4 | 1.000204 | 0609480,0609746,etc |
| atmospheric dispersion corrector | ADC | 8 | 4 | 1.000399 | 0609260,0609702,etc |
| rosat all sky survey | RASS | 115 | 4 | 2.005379 | 0609048,0609191,etc |
| advanced ccd imaging spectrometer | ACIS | 19 | 4 | 2.000465 | 0609758,0609585,etc |
| friends of friends | FOF | 22 | 4 | 2.001377 | 0609191,0609751,etc |
| dwarf spheroidal | dSph | 87 | 4 | 2.001979 | 0609116,0609652,etc |
| charge transfer inefficiency | CTI | 26 | 4 | 2.001078 | 0609560,0609664,etc |
| position velocity | PV | 15 | 4 | 1.000322 | 0609498,0609145,etc |
| short high | SH | 37 | 3 | 1.000785 | 0609135,0609157,etc |
| potsdam wolf rayet | PoWR | 10 | 3 | 1.000708 | 0609672,0609675,etc |
| initial stellar mass function | IMF | 7 | 3 | 1.000335 | 0609360,0609443,etc |
| science analysis software | SAS | 14 | 3 | 1.000061 | 0609160,0609758,etc |
| x ray luminosity function | XLF | 30 | 3 | 2.000647 | 0609160,0609085,etc |
| star formation history | SFH | 41 | 3 | 2.001024 | 0609760,0609698,etc |
| dwarf irregular | dIrr | 13 | 3 | 1.000705 | 0609330,0609246,etc |
| two dimensional | 2D | 52 | 3 | 2.001697 | 0609088,0609247,etc |
| submillimeter array | SMA | 26 | 3 | 2.000265 | 0609369,0609455,etc |
| photodissociation region | PDR | 16 | 3 | 1.000662 | 0609186,0609010,etc |
| calibration database | CALDB | 4 | 3 | 1.000173 | 0609123,0609412,etc |
| non x ray background | NXBG | 19 | 3 | 1.00097 | 0609217,0609215,etc |
| collisional ionization equilibrium | CIE | 11 | 3 | 1.000656 | 0609217,0609215,etc |
| x ray reflection nebula | XRN | 18 | 3 | 1.001045 | 0609217,0609310,etc |
| low energy electrons | LEE | 5 | 3 | 1.000177 | 0609217,0609310,etc |
| extreme horizontal branch | EHB | 34 | 3 | 2.001014 | 0609742,0609650,etc |
| uv visual echelle spectrograph | UVES | 19 | 3 | 2.000295 | 0609742,0609718,etc |
| tauri stars | TTS | 71 | 3 | 2.000665 | 0609235,0609291,etc |
| large eddy simulation | LES | 3 | 3 | 1.000128 | 0609631,0609457,etc |
| cluster initial mass function | CIMF | 19 | 3 | 1.004551 | 0609062,0609018,etc |
| gc luminosity function | GCLF | 110 | 3 | 2.007065 | 0609067,0609786,etc |
| wide field camera | WFC | 7 | 3 | 1.000753 | 0609439,0609104,etc |
| sunyaev zel'dovich | SZ | 62 | 3 | 2.003487 | 0609124,0609188,etc |
| windowed timing | WT | 9 | 3 | 2.000508 | 0609269,0609205,etc |
| tully fisher | TF | 316 | 3 | 1.004836 | 0609249,0609091,etc |
| proportional counter unit | PCU | 21 | 3 | 1.001396 | 0609424,0609092,etc |
| burst alert telescope | BAT | 101 | 3 | 2.003438 | 0609205,0609437,etc |
| super massive black hole | SMBH | 14 | 3 | 2.002154 | 0609466,0609452,etc |
| ultra luminous infrared galaxy | ULIRG | 10 | 3 | 1.000555 | 0609466,0609175,etc |
| national center for supercomputing applications | NCSA | 3 | 3 | 1.000079 | 0609004,0609247,etc |
| adaptive refinement tree | ART | 3 | 3 | 1.000012 | 0609247,0609763,etc |
| wolf rayet | WR | 100 | 3 | 2.005267 | 0609498,0609454,etc |
| european photon imaging camera | EPIC | 5 | 3 | 1.000105 | 0609664,0609226,etc |
| low surface brightness | LSB | 42 | 3 | 2.004254 | 0609145,0609148,etc |