| Hierarchy: | in a pair |
|---|---|
| Description: | in a pair |
| Exact Classifications Count: | 2318 |
| Associated Data Count: | 2318 entries for 1963 objects (retrieve objects) |
| Associated Reference Codes: | 1937AnLun...6....1H 1972AISAO...7....3K 1973UGC...C...0000N 1975ApJ...196..313S 1975SSS.....9..557d 1976ApJ...208...20T 1976RC2...C...0000d 1978AJ.....83..904S 1979ApJS...40..527P 1993ApJ...419...30C 1995A&AS..110..371S |