| space telescope imaging spectrograph | STIS | 72 | 10 | 2.000934 | 0207426,0207559,etc |
| all sky monitor | ASM | 61 | 9 | 2.002235 | 0207007,0207587,etc |
| inverse compton | IC | 60 | 7 | 2.002973 | 0207184,0207481,etc |
| tully fisher | TF | 87 | 6 | 1.001125 | 0207097,0207112,etc |
| proportional counter array | PCA | 67 | 6 | 2.001792 | 0207599,0207001,etc |
| wolf rayet | W-R | 57 | 5 | 2.004671 | 0207171,0207300,etc |
| wide field planetary camera 2 | WFPC2 | 20 | 5 | 1.000324 | 0207426,0207588,etc |
| cold neutral medium | CNM | 469 | 5 | 2.004899 | 0207264,0207105,etc |
| high energy x ray timing experiment | HEXTE | 22 | 5 | 1.000976 | 0207003,0207599,etc |
| colour magnitude diagram | CMD | 198 | 5 | 2.005795 | 0207182,0207087,etc |
| wide field camera | WFC | 20 | 5 | 1.000459 | 0207182,0207555,etc |
| european photon imaging camera | EPIC | 18 | 4 | 1.000492 | 0207171,0207296,etc |
| hard x ray | HXR | 194 | 4 | 1.007215 | 0207361,0207217,etc |
| kolmogorov smirnov | KS | 10 | 4 | 1.000073 | 0207659,0207597,etc |
| hot ionized medium | HIM | 45 | 4 | 2.000323 | 0207105,0207521,etc |
| sunyaev zeldovich | SZ | 18 | 4 | 2.00456 | 0207147,0207443,etc |
| goddard high resolution spectrograph | GHRS | 22 | 4 | 1.000674 | 0207040,0207579,etc |
| full width half maximum | FWHM | 13 | 4 | 1.000461 | 0207432,0207325,etc |
| low luminosity agn | LLAGN | 38 | 4 | 2.001584 | 0207207,0207091,etc |
| sunyaev zel'dovich | SZ | 101 | 3 | 2.005765 | 0207600,0207218,etc |
| warm ionized medium | WIM | 19 | 3 | 2.00027 | 0207460,0207105,etc |
| signal to noise | S/N | 6 | 3 | 1.000093 | 0207171,0207451,etc |
| particle physics and astronomy research council | PPARC | 7 | 3 | 1.00024 | 0207329,0207489,etc |
| long wavelength spectrometer | LWS | 22 | 3 | 1.000377 | 0207264,0207385,etc |
| photodissociation region | PDR | 8 | 3 | 1.000256 | 0207567,0207344,etc |
| ministry for university and research | MURST | 3 | 3 | 1.000178 | 0207176,0207432,etc |
| planetary camera | PC | 32 | 3 | 2.000724 | 0207182,0207069,etc |
| warm neutral medium | WNM | 419 | 3 | 2.002443 | 0207105,0207104,etc |
| soft x ray | SXR | 239 | 3 | 2.006024 | 0207217,0207481,etc |
| solar geophysical data | SGD | 10 | 3 | 1.000317 | 0207217,0207239,etc |
| large velocity gradient | LVG | 15 | 3 | 1.001724 | 0207313,0207586,etc |
| advanced ccd imaging spectrometer | ACIS | 30 | 3 | 2.00036 | 0207092,0207602,etc |
| metallicity distribution function | MDF | 12 | 3 | 1.002958 | 0207521,0207155,etc |
| period luminosity | P-L | 37 | 3 | 1.004136 | 0207485,0207168,etc |
| message passing interface | MPI | 94 | 3 | 1.013657 | 0207260,0207389,etc |
| dwarf irregular | dIrr | 19 | 3 | 2.000288 | 0207040,0207087,etc |
| low surface brightness | LSB | 119 | 3 | 1.002969 | 0207268,0207314,etc |
| swedish eso submillimetre telescope | SEST | 8 | 3 | 1.00092 | 0207406,0207355,etc |
| faint object spectrograph | FOS | 24 | 3 | 2.000556 | 0207326,0207355,etc |
| rosat all sky survey | RASS | 8 | 3 | 1.000394 | 0207400,0207216,etc |