| astrophysical research consortium | ARC | 18 | 13 | 1.000095 | 0504581,0504382,etc |
| max planck institute for astronomy | MPIA | 11 | 10 | 1.00007 | 0504581,0504319,etc |
| kolmogorov smirnov | KS | 54 | 9 | 2.000633 | 0504470,0504355,etc |
| advanced camera for surveys | ACS | 65 | 8 | 1.001173 | 0504373,0504164,etc |
| signal to noise | S/N | 47 | 8 | 1.000936 | 0504008,0504181,etc |
| inverse compton | IC | 85 | 8 | 1.001564 | 0504120,0504602,etc |
| space telescope imaging spectrograph | STIS | 86 | 7 | 2.001854 | 0504540,0504382,etc |
| advanced ccd imaging spectrometer | ACIS | 55 | 6 | 1.002545 | 0504622,0504609,etc |
| infrared spectrograph | IRS | 116 | 5 | 1.0051 | 0504336,0504431,etc |
| intra cluster medium | ICM | 67 | 5 | 2.002974 | 0504008,0504092,etc |
| two dimensional | 2D | 58 | 5 | 1.002032 | 0504444,0504393,etc |
| proportional counter array | PCA | 19 | 5 | 1.000448 | 0504101,0504182,etc |
| particle mesh | PM | 339 | 5 | 2.012849 | 0504095,0504530,etc |
| power density spectra | PDS | 137 | 5 | 2.002992 | 0504018,0504469,etc |
| very high energy | VHE | 74 | 5 | 1.003178 | 0504120,0504515,etc |
| narrow line seyfert 1 galaxy | NLSy1 | 31 | 5 | 2.003061 | 0504208,0504168,etc |
| large velocity gradient | LVG | 24 | 4 | 1.001422 | 0504377,0504569,etc |
| friedmann robertson walker | FRW | 7 | 4 | 1.000234 | 0504192,0504519,etc |
| damped lyman | DLA | 76 | 4 | 2.009335 | 0504565,0504402,etc |
| dwarf spheroidal | dSph | 72 | 4 | 2.006747 | 0504239,0504270,etc |
| rayleigh taylor | RT | 14 | 4 | 1.000294 | 0504492,0504435,etc |
| wide field camera | WFC | 28 | 4 | 1.001539 | 0504236,0504602,etc |
| proportional counter unit | PCU | 11 | 4 | 1.000334 | 0504101,0504144,etc |
| wolf rayet | WR | 29 | 4 | 2.002414 | 0504163,0504440,etc |
| high energy transmission grating | HETG | 23 | 4 | 2.000391 | 0504559,0504187,etc |
| herbig haro | HH | 47 | 4 | 2.001083 | 0504010,0504012,etc |
| wide field and planetary camera 2 | WFPC2 | 18 | 4 | 2.000379 | 0504127,0504622,etc |
| kelvin helmholtz | KH | 26 | 4 | 1.000563 | 0504277,0504168,etc |
| chandra x ray center | CXC | 14 | 4 | 1.000167 | 0504609,0504138,etc |
| dwarf elliptical | dE | 31 | 4 | 2.004572 | 0504459,0504142,etc |
| black hole candidate | BHC | 34 | 4 | 2.001917 | 0504168,0504318,etc |
| line of sight velocity distribution | LOSVD | 43 | 4 | 2.001117 | 0504660,0504387,etc |
| full width half maximum | FWHM | 14 | 3 | 2.000081 | 0504336,0504439,etc |
| magnetohydrodynamical | MHD | 39 | 3 | 2.000042 | 0504247,0504381,etc |
| orion nebula cluster | ONC | 71 | 3 | 2.002101 | 0504204,0504559,etc |
| x ray luminosity function | XLF | 57 | 3 | 2.000855 | 0504204,0504205,etc |
| optical transient | OT | 31 | 3 | 1.000933 | 0504592,0504602,etc |
| colour magnitude diagram | CMD | 49 | 3 | 2.002616 | 0504029,0504207,etc |
| dark energy survey | DES | 6 | 3 | 1.000259 | 0504519,0504300,etc |
| period luminosity | PL | 98 | 3 | 1.010716 | 0504326,0504207,etc |
| photodissociation region | PDR | 11 | 3 | 1.000398 | 0504413,0504304,etc |
| star formation history | SFH | 24 | 3 | 2.000485 | 0504219,0504264,etc |
| burst and transient source experiment | BATSE | 24 | 3 | 2.001717 | 0504020,0504602,etc |
| dwarf irregular | dIrr | 33 | 3 | 2.011282 | 0504277,0504385,etc |
| compact steep spectrum | CSS | 24 | 3 | 1.000859 | 0504622,0504330,etc |
| particle physics and astronomy research council | PPARC | 3 | 3 | 1.000142 | 0504120,0504432,etc |
| science analysis system | SAS | 8 | 3 | 1.000394 | 0504145,0504233,etc |
| brans dicke | BD | 10 | 3 | 2.00045 | 0504034,0504582,etc |
| low luminosity agn | LLAGN | 48 | 3 | 2.000549 | 0504208,0504066,etc |
| point source catalogue | PSC | 11 | 3 | 1.000121 | 0504012,0504603,etc |
| iras sky survey atlases | ISSA | 8 | 3 | 1.000203 | 0504012,0504011,etc |
| nasa extragalactic database | NED | 6 | 3 | 1.000188 | 0504432,0504604,etc |
| submillimeter array | SMA | 19 | 3 | 2.000425 | 0504468,0504074,etc |
| synchrotron self compton | SSC | 45 | 3 | 2.00296 | 0504515,0504137,etc |
| power density spectrum | PDS | 102 | 3 | 1.003338 | 0504469,0504446,etc |
| press schechter | PS | 24 | 3 | 2.001615 | 0504499,0504172,etc |
| super massive black hole | SMBH | 28 | 3 | 1.00234 | 0504473,0504660,etc |
| ultra high energy | UHE | 21 | 3 | 2.000499 | 0504638,0504575,etc |