Random triples
| Subject | Object |
|---|---|
| gptkb:USNO-A2.0 | entire sky |
| gptkb:GSC_1.0 | entire sky |
| gptkb:ADS_(Aitken_Double_Star)_Catalogue | north of declination -30 degrees |
| gptkb:Aitken_Double_Star_Catalogue | north of declination -30 degrees |
| Subject | Object |
|---|---|
| gptkb:USNO-A2.0 | entire sky |
| gptkb:GSC_1.0 | entire sky |
| gptkb:ADS_(Aitken_Double_Star)_Catalogue | north of declination -30 degrees |
| gptkb:Aitken_Double_Star_Catalogue | north of declination -30 degrees |