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UBV observations of V1500 Cyg.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1977PASP...89...44W&db_key=AST
| Photometric observations of Nova V1500 Cygni
UBV photometric observations of Nova Cygni 1975 = V1500 Cygni wereobtained in the time interval from September 1975 to October 1976. Theshort-period variability discovered by Tempesti (1975) and Koch andAmbruster (1975) has always been present but with greatly varyingamplitude in a range from 0.03 to 0.7 mag. The period decreased from0.1410 day in September 1975, when the short-term variations were firstdiscovered, to 0.1380 day in autumn 1976. The roughly sinusoidal lightcurve changes its shape from cycle to cycle, and there are irregularfluctuations superposed.
| Light curve of Nova V1500 CYG 1975.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976ApJ...209..882Y&db_key=AST
| A Short Period Light Variation in Nova Cygni 1975
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Osservazione e dati astrometrici
| Costellazione: | Cigno |
| Ascensione retta: | 21h13m43.74s |
| Declinazione: | +48°03'41.3" |
| Magnitudine apparente: | 8.401 |
| Distanza: | 247.525 parsec |
| Moto proprio RA: | 7.7 |
| Moto proprio Dec: | 1.6 |
| B-T magnitude: | 8.411 |
| V-T magnitude: | 8.402 |
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