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Stars Classified as Constant in the General Catalogue of Variable Stars, II
Photometric observations have been made of 36 stars classified as CST orCST: in the General Catalogue of Variable Stars. Six of these stars arefound to vary and three others were deemed possible variables. Of thecertain variables, two (MR Her and TY Sge) are red pulsators, one (V1585Cyg) is a rapid irregular variable, one is apparently a short periodCepheid-strip star (V432 Oph), one is an eclipsing binary (AQ Boo) andone is uncertain type (V351 Cyg). The stars we have observed as MR Herand TY Sge are the same ones which were identified on finding charts inthe discovery papers suggesting that these stars have intervals ofvariability and intervals of quiescence. V432 Oph is of special interestbecause our photometry indicates that it may be either a double modeCepheid or a peculiar long period RR Lyrae star depending on which of acouple of possible periods turns out to be correct. (SECTION: Stars)
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Osservazione e dati astrometrici
| Costellazione: | Toro |
| Ascensione retta: | 05h51m48.60s |
| Declinazione: | +15°52'55.5" |
| Magnitudine apparente: | 9.449 |
| Moto proprio RA: | -5.2 |
| Moto proprio Dec: | -8.4 |
| B-T magnitude: | 9.929 |
| V-T magnitude: | 9.489 |
Cataloghi e designazioni:
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