| all sky monitor | ASM | 89 | 9 | 2.002587 | 9903306,9903228,etc |
| proportional counter array | PCA | 71 | 7 | 2.002192 | 9903083,9903062,etc |
| wolf rayet | WR | 97 | 5 | 2.002732 | 9903018,9903197,etc |
| very high energy | VHE | 100 | 5 | 2.003047 | 9903244,9903263,etc |
| optical transient | OT | 141 | 5 | 2.006196 | 9903021,9903271,etc |
| signal to noise | S/N | 33 | 5 | 1.000576 | 9903007,9903059,etc |
| kolmogorov smirnov | K-S | 21 | 5 | 1.001142 | 9903063,9903458,etc |
| synchrotron self compton | SSC | 47 | 4 | 1.002114 | 9903099,9903263,etc |
| low surface brightness | LSB | 58 | 4 | 2.003032 | 9903164,9903064,etc |
| residual dark distribution | RDD | 20 | 4 | 1.00029 | 9903278,9903424,etc |
| inverse compton | IC | 22 | 4 | 2.001056 | 9903044,9903321,etc |
| extended medium sensitivity survey | EMSS | 94 | 4 | 2.003087 | 9903044,9903117,etc |
| burst and transient source experiment | BATSE | 51 | 4 | 1.004547 | 9903399,9903126,etc |
| nasa extragalactic database | NED | 9 | 4 | 1.000776 | 9903443,9903250,etc |
| optical module | OM | 95 | 4 | 2.003699 | 9903342,9903341,etc |
| wide field planetary camera 2 | WFPC2 | 36 | 3 | 1.00152 | 9903065,9903245,etc |
| dwarf spheroidal | dSph | 31 | 3 | 2.001724 | 9903065,9903017,etc |
| surface of last scattering | SLS | 25 | 3 | 2.00088 | 9903032,9903038,etc |
| wide field camera | WFC | 40 | 3 | 1.002299 | 9903198,9903217,etc |
| intermediate dispersion spectrograph | IDS | 10 | 3 | 2.00005 | 9903018,9903226,etc |
| solid state imaging spectrometer | SIS | 34 | 3 | 2.000744 | 9903243,9903424,etc |
| rosat all sky survey | RASS | 38 | 3 | 1.003417 | 9903396,9903125,etc |
| uk infrared telescope | UKIRT | 17 | 3 | 1.000434 | 9903340,9903410,etc |
| high surface brightness | HSB | 27 | 3 | 2.001205 | 9903184,9903064,etc |
| gas imaging spectrometer | GIS | 43 | 3 | 2.001194 | 9903424,9903376,etc |
| oriented scintillation spectrometer experiment | OSSE | 24 | 3 | 1.000561 | 9903424,9903247,etc |
| press schechter | PS | 11 | 3 | 1.00057 | 9903027,9903117,etc |
| star formation history | SFH | 40 | 3 | 2.000924 | 9903371,9903421,etc |
| performance verification | PV | 13 | 3 | 1.001024 | 9903376,9903372,etc |
| high resolution imager | HRI | 22 | 3 | 2.001114 | 9903058,9903224,etc |
| power density spectra | PDS | 20 | 3 | 1.001241 | 9903306,9903212,etc |
| friedmann robertson walker | FRW | 34 | 3 | 2.001548 | 9903486,9903260,etc |
| sunyaev zel'dovich | SZ | 73 | 3 | 2.003663 | 9903379,9903166,etc |
| lyon meudon extragalactic database | LEDA | 10 | 3 | 1.000425 | 9903443,9903394,etc |
| tully fisher | TF | 7 | 3 | 1.000172 | 9903380,9903005,etc |