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HD 202383


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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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Observation and Astrometry data

Constellation:はくちょう座
Right ascension:21h13m43.74s
Declination:+48°03'41.3"
Apparent magnitude:8.401
Distance:247.525 parsecs
Proper motion RA:7.7
Proper motion Dec:1.6
B-T magnitude:8.411
V-T magnitude:8.402

Catalogs and designations:
Proper Names
HD 1989HD 202383
TYCHO-2 2000TYC 3593-988-1
USNO-A2.0USNO-A2 1350-13682670
HIPHIP 104789

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