| max planck institute for astronomy | MPIA | 10 | 10 | 1.000055 | 0506539,0506201,etc |
| advanced camera for surveys | ACS | 138 | 10 | 2.002281 | 0506607,0506470,etc |
| colour magnitude diagram | CMD | 117 | 9 | 2.001202 | 0506481,0506522,etc |
| kolmogorov smirnov | K-S | 20 | 8 | 1.00012 | 0506251,0506547,etc |
| orion nebula cluster | ONC | 177 | 8 | 2.001288 | 0506526,0506134,etc |
| space telescope imaging spectrograph | STIS | 84 | 8 | 1.000578 | 0506101,0506149,etc |
| astrophysical research consortium | ARC | 16 | 8 | 1.000419 | 0506201,0506022,etc |
| signal to noise | S/N | 63 | 7 | 1.00159 | 0506168,0506705,etc |
| low surface brightness | LSB | 124 | 7 | 1.002307 | 0506370,0506039,etc |
| rosat all sky survey | RASS | 31 | 7 | 2.002031 | 0506380,0506356,etc |
| inverse compton | IC | 102 | 7 | 2.003609 | 0506682,0506465,etc |
| proportional counter array | PCA | 65 | 7 | 2.001626 | 0506515,0506170,etc |
| all sky monitor | ASM | 49 | 7 | 2.002368 | 0506438,0506319,etc |
| advanced ccd imaging spectrometer | ACIS | 88 | 6 | 2.00181 | 0506168,0506526,etc |
| wide field camera | WFC | 17 | 6 | 1.000257 | 0506568,0506031,etc |
| wolf rayet | WR | 294 | 6 | 2.005419 | 0506037,0506088,etc |
| photodissociation region | PDR | 102 | 6 | 1.003088 | 0506037,0506003,etc |
| poynting robertson | PR | 42 | 6 | 2.000724 | 0506743,0506703,etc |
| charge transfer inefficiency | CTI | 16 | 5 | 1.000326 | 0506607,0506616,etc |
| science analysis system | SAS | 13 | 5 | 1.000517 | 0506682,0506673,etc |
| dwarf spheroidal | dSph | 41 | 4 | 2.002234 | 0506622,0506197,etc |
| collisional ionization equilibrium | CIE | 19 | 4 | 1.000327 | 0506168,0506346,etc |
| ultra luminous x ray source | ULX | 37 | 4 | 1.001437 | 0506085,0506008,etc |
| soft gamma ray repeater | SGR | 14 | 4 | 1.001373 | 0506095,0506256,etc |
| japan society for the promotion of science | JSPS | 7 | 4 | 1.000415 | 0506013,0506233,etc |
| markov chain monte carlo | MCMC | 28 | 4 | 2.000857 | 0506707,0506748,etc |
| dark energy survey | DES | 28 | 4 | 2.000665 | 0506030,0506043,etc |
| very high energy | VHE | 72 | 4 | 2.00211 | 0506465,0506209,etc |
| integrated sachs wolfe | ISW | 38 | 4 | 2.001179 | 0506748,0506036,etc |
| near infrared camera and multi object spectrometer | NICMOS | 52 | 4 | 1.001088 | 0506101,0506358,etc |
| blue compact dwarf | BCD | 14 | 4 | 1.000503 | 0506113,0506421,etc |
| hertzsprung russell | HR | 20 | 4 | 1.000669 | 0506592,0506612,etc |
| magneto hydrodynamic | MHD | 10 | 4 | 1.000294 | 0506121,0506293,etc |
| x ray luminosity function | XLF | 71 | 4 | 2.000948 | 0506657,0506052,etc |
| chandra x ray center | CXC | 9 | 4 | 1.000279 | 0506616,0506127,etc |
| super massive black hole | SMBH | 25 | 4 | 1.00059 | 0506626,0506697,etc |
| star formation history | SFH | 13 | 4 | 1.000228 | 0506265,0506381,etc |
| period luminosity | PL | 81 | 4 | 2.003609 | 0506114,0506207,etc |
| wide field planetary camera 2 | WFPC2 | 25 | 4 | 2.001782 | 0506653,0506672,etc |
| vimos vlt deep survey | VVDS | 159 | 3 | 2.002842 | 0506150,0506561,etc |
| power law | PL | 25 | 3 | 2.000752 | 0506682,0506149,etc |
| nasa/ipac extra galactic database | NED | 5 | 3 | 1.000133 | 0506682,0506039,etc |
| high resolution channel | HRC | 10 | 3 | 1.00065 | 0506470,0506283,etc |
| tully fisher | TF | 14 | 3 | 1.000842 | 0506372,0506764,etc |
| cold neutral medium | CNM | 48 | 3 | 2.000749 | 0506766,0506555,etc |
| relativistic mean field | RMF | 17 | 3 | 2.001808 | 0506399,0506619,etc |
| nasa extragalactic database | NED | 5 | 3 | 1.000231 | 0506275,0506497,etc |
| first ionisation potential | FIP | 30 | 3 | 2.000653 | 0506185,0506182,etc |
| full width half maximum | FWHM | 12 | 3 | 1.000433 | 0506225,0506307,etc |
| lulin one meter telescope | LOT | 17 | 3 | 2.001994 | 0506236,0506233,etc |
| diffuse ionized gas | DIG | 63 | 3 | 2.002673 | 0506039,0506605,etc |
| low mass x ray binaries | LMXB | 11 | 3 | 1.000666 | 0506019,0506762,etc |
| large velocity gradient | LVG | 12 | 3 | 1.000253 | 0506489,0506572,etc |
| compact steep spectrum | CSS | 39 | 3 | 2.001418 | 0506497,0506394,etc |
| spitzer science center | SSC | 8 | 3 | 1.000188 | 0506743,0506691,etc |
| submillimeter array | SMA | 79 | 3 | 2.000927 | 0506671,0506435,etc |
| monte carlo | MC | 21 | 3 | 1.000793 | 0506459,0506386,etc |
| magnetohydrodynamical | MHD | 19 | 3 | 1.000207 | 0506439,0506440,etc |
| ultracompact hii | UCHII | 85 | 3 | 2.003944 | 0506324,0506553,etc |
| observation data file | ODF | 3 | 3 | 1.000082 | 0506718,0506437,etc |
| tolman oppenheimer volkoff | TOV | 16 | 3 | 1.000358 | 0506417,0506624,etc |
| photon dominated region | PDR | 59 | 3 | 2.001772 | 0506111,0506535,etc |
| warm ionized medium | WIM | 18 | 3 | 2.000917 | 0506555,0506556,etc |
| data analysis tool | DAT | 7 | 3 | 1.000117 | 0506462,0506434,etc |
| wide field and planetary camera 2 | WFPC-2 | 11 | 3 | 2.000917 | 0506314,0506512,etc |
| ultra luminous infrared galaxy | ULIRG | 122 | 3 | 2.002255 | 0506611,0506273,etc |
| high energy transmission grating spectrometer | HETGS | 24 | 3 | 2.000353 | 0506082,0506127,etc |
| ultra violet | UV | 16 | 3 | 2.001264 | 0506676,0506125,etc |
| herbig haro | HH | 87 | 3 | 2.001136 | 0506445,0506710,etc |
| high proper motion | HPM | 22 | 3 | 1.001422 | 0506152,0506733,etc |