| 1 | eso imaging survey | EIS | 109 | 5 | 2.000582 | 9807336,9807156,etc |
| 2 | optical transient | OT | 85 | 5 | 2.001281 | 9807262,9807069,etc |
| 3 | center of excellence | COE | 5 | 5 | 1.000061 | 9807022,9807016,etc |
| 4 | space telescope imaging spectrograph | STIS | 59 | 5 | 1.002287 | 9807195,9807212,etc |
| 5 | all sky monitor | ASM | 22 | 4 | 2.000701 | 9807281,9807071,etc |
| 6 | low surface brightness | LSB | 40 | 4 | 2.000376 | 9807232,9807010,etc |
| 7 | extreme ultraviolet explorer | EUVE | 34 | 3 | 1.001975 | 9807343,9807265,etc |
| 8 | sunyaev zel'dovich | SZ | 24 | 3 | 1.000622 | 9807003,9807308,etc |
| 9 | proportional counter array | PCA | 24 | 3 | 2.000745 | 9807281,9807278,etc |
| 10 | high surface brightness | HSB | 14 | 3 | 1.000392 | 9807232,9807010,etc |
| 11 | wide field camera | WFC | 33 | 3 | 2.002797 | 9807280,9807195,etc |
| 12 | rosat all sky survey | RASS | 14 | 3 | 1.000252 | 9807024,9807308,etc |
| 13 | signal to noise | S/N | 8 | 3 | 1.000192 | 9807124,9807346,etc |
| 14 | equations of state | EOS | 90 | 3 | 2.001196 | 9807040,9807254,etc |
| 15 | faint object spectrograph | FOS | 64 | 3 | 2.00121 | 9807063,9807309,etc |