IBVS Volume 1801

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1801	REDISCUSSION OF THE PHOTOMETRIC ELEMENTS OF SW Lyn
	F. Predolin, G. Giuricin, F. Mardirossian
	9 June 1980
ASCII text
[1801.txt]
PDF [1801.pdf]

1802	THE LIGHT VARIATION AND ORBITAL ELEMENTS OF AW UMa
	L.F. Istomin, L.M. Orlov, V.V. Kulagin
	12 June 1980
ASCII text
[1802.txt]
PDF [1802.pdf]

1803	PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR YZ CMi IN 1976
	G. Asteriadis, G. Kareklidis, L.N. Mavridis
	16 June 1980
ASCII text
[1803.txt]
PDF [1803.pdf]

1804	PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR UV Cet IN 1976
	G. Asteriadis, G. Kareklidis, L.N. Mavridis, P. Varvoglis
	16 June 1980
ASCII text
[1804.txt]
PDF [1804.pdf]

1805	UBV-OBSERVATIONS OF SOME CATACLYSMIC VARIABLES
	A. Bruch
	16 June 1980
ASCII text
[1805.txt]
PDF [1805.pdf]

1806	PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR UV Cet IN 1975
	G. Asteriadis, M.E. Contadakis, F. Mahmoud, L.N. Mavridis
	18 June 1980
ASCII text
[1806.txt]
PDF [1806.pdf]

1807	RADIUS VARIATION OF TEN CLASSICAL CEPHEIDS
	G. Russo, C. Sollazzo
	18 June 1980
ASCII text
[1807.txt]
PDF [1807.pdf]

1808	OBSERVATIONS OF CI Cyg IN 1979
	T.S. Belyakina
	23 June 1980
ASCII text
[1808.txt]
PDF [1808.pdf]

1809	ONE MORE CRITERION FOR DISTINGUISHING BETWEEN W VIRGINIS STARS (CW)
	AND CLASSICAL CEPHEIDS (Cdelta)
	B.N. Batyushkova, G.E. Erleksova
	23 June 1980
ASCII text
[1809.txt]
PDF [1809.pdf]

1810	ON THE LARGE-SCALE VARIATIONS OF MV LYRAE
	W. Wenzel
	1 July 1980
ASCII text
[1810.txt]
PDF [1810.pdf]

1811	ON THE VARIABILITY OF THE OLD NOVA HR DELPHINI 1967
	H. Drechsel, J. Rahe
	1 July 1980
ASCII text
[1811.txt]
PDF [1811.pdf]

1812	NEW BV LIGHT CURVES AND MINIMA OF THE ECLIPSING BINARIES W UMa, AW UMa
	AND 44i Boo
	Joanna Mikolajewska, M. Mikolajewski
	3 July 1980
ASCII text
[1812.txt]
PDF [1812.pdf]

1813	PHOTOELECTRIC OBSERVATIONS OF SYMBIOTIC STARS
	R. Burchi
	7 July 1980
ASCII text
[1813.txt]
PDF [1813.pdf]

1814	THE LIGHT CURVE OF STEPANIAN'S STAR
	P. Rovithis
	10 July 1980
ASCII text
[1814.txt]
PDF [1814.pdf]

1815	A LIST OF ECLIPSING BINARIES TO BE CONTINUOUSLY MONITORED
	A. Gimenez, A.J. Delgado
	11 July 1980
ASCII text
[1815.txt]
PDF [1815.pdf]

1816	INFRARED PHOTOMETRY OF HR 1099 DURING LATE 1979
	E. Antonopoulou
	14 July 1980
ASCII text
[1816.txt]
PDF [1816.pdf]

1817	UBV PHOTOMETRY OF DN CASSIOPEIAE
	T.J. Davidge
	16 July 1980
ASCII text
[1817.txt]
PDF [1817.pdf]

1818	UBV PHOTOMETRY OF THE NOVA CYGNI 1975 ON SEPTEMBER 1975. A
	PHOTOELECTRIC LIGHTCURVE
	M.E. Contadakis
	18 July 1980
ASCII text
[1818.txt]
PDF [1818.pdf]

1819	V AND B-V MAGNITUDES OF BRIGHT CEPHEIDS FROM ELECTROSPECTROPHOTOMETRIC
	OBSERVATIONS
	E.A. Depenchuk
	21 July 1980
ASCII text
[1819.txt]
PDF [1819.pdf]

1820	HR 3593, A NEW BRIGHT Beta CEPHEI STAR
	G. Burki, M. Burnet, F. Rufener
	23 July 1980
ASCII text
[1820.txt]
PDF [1820.pdf]

1821	HD 39917: A NEW, PROBABLY NON-ECLIPSING RS CVn-TYPE VARIABLE
	J. Andersen, B. Nordstrom, E.H. Olsen
	23 July 1980
ASCII text
[1821.txt]
PDF [1821.pdf]

1822	PHOTOELECTRIC PHOTOMETRY OF THE ECLIPSING BINARY DM Del
	R. Diethelm
	23 July 1980
ASCII text
[1822.txt]
PDF [1822.pdf]

1823	PHOTOELECTRIC MINIMA OF AB ANDROMEDAE
	P. Rovithis, H. Rovithis-Livaniou
	28 July 1980
ASCII text
[1823.txt]
PDF [1823.pdf]

1824	NOUVELLE RECHERCHE DE PERIODES D'ETOILES Ap OBSERVEES A L'ESO-V
	J. Manfroid, P. Renson
	30 July 1980
ASCII text
[1824.txt]
PDF [1824.pdf]

1825	VARIABILITY OF HD 137147 (COMPARSION STAR OF U CrB) AND "A FLARE" OF
	HD 137050
	E.C. Olson
	4 August 1980
ASCII text
[1825.txt]
PDF [1825.pdf]

1826	PHOTOELECTRIC PHOTOMETRY OF THE BRIGHT METALLIC-LINE ECLIPSING BINARY
	Delta CAPRICORNI
	J.D. Dorren, M.J. Siah, E.F. Guinan, G.P. McCook, M.J. Acierno, 
	R.R. del Conte, O.L. Lupie, K.N. Young
	4 August 1980
ASCII text
[1826.txt]
PDF [1826.pdf]

1827	REVISED PHOTOMETRIC ELEMENTS OF XZ Sgr
	G. Russo, C. Sollazzo
	4 August 1980
ASCII text
[1827.txt]
PDF [1827.pdf]

1828	PERIODS AND PHOTOGRAPHIC MEAN LIGHT CURVES OF 17 LONG PERIOD VARIABLES
	IN A FIELD AROUND alpha= 17h, delta= -70d
	M. Goossens, C. Waelkens
	11 August 1980
ASCII text
[1828.txt]
PDF [1828.pdf]

1829	THE VARIABILITY OF HR 7442
	D.R. Skillman, T.G. McFaul
	14 August 1980
ASCII text
[1829.txt]
PDF [1829.pdf]

1830	LIGHT ELEMENTS OF AG PHOENICIS
	M.A. Cerruti
	19 August 1980
ASCII text
[1830.txt]
PDF [1830.pdf]

Table [1830-t3.txt]
1831	VARIABILITY OF COOL CARBON STARS SITUATED NEAR OR IN INTERMEDIATE-AGE
	OPEN CLUSTERS
	Z. Alksne, A. Alksnis
	25 August 1980
ASCII text
[1831.txt]
PDF [1831.pdf]

1832	SHORTER SECONDARY VARIATION OF RS BOOTIS
	S. Kanyo
	27 August 1980
ASCII text
[1832.txt]
PDF [1832.pdf]

1833	93 LEONIS
	A.H. Batten
	28 August 1980
ASCII text
[1833.txt]
PDF [1833.pdf]

1834	DY PEGASI - A DOUBLE MODE DWARF CEPHEID?
	T. Kozar
	28 August 1980
ASCII text
[1834.txt]
PDF [1834.pdf]

1835	SPECTROSCOPY OF THE NOVA-LIKE OBJECT KUWANO (NOVA VULPECULAE 1979) IN
	THE YEAR 1979
	L. Hric, D. Chochol, J. Grygar
	1 September 1980
ASCII text
[1835.txt]
PDF [1835.pdf]

1836	PROVISIONAL ELEMENTS FOR AN ECLIPSING VARIABLE IN SAGITTARIUS
	Ann Schwarzmann
	2 September 1980
ASCII text
[1836.txt]
PDF [1836.pdf]

1837	PHOTOELECTRIC LIGHT CURVES OF RZ COLUMBAE
	B.B. Bookmyer, D.R. Faulkner
	2 September 1980
ASCII text
[1837.txt]
PDF [1837.pdf]

1838	PHOTOELECTRIC OBSERVATIONS OF XY LEONIS
	J.S. Hebron, M.R.A. Shegelski
	4 September 1980
ASCII text
[1838.txt]
PDF [1838.pdf]

1839	ERUPTIVE MASS-TRANSFER EVENTS IN RW TAURI
	E.C. Olson
	8 September 1980
ASCII text
[1839.txt]
PDF [1839.pdf]

1840	TIMES OF MINIMA OF SIX ALGOL-LIKE ECLIPSING BINARIES
	E.C. Olson
	8 September 1980
ASCII text
[1840.txt]
PDF [1840.pdf]

1841	IS THERE A MAGNETIC FIELD-PERIOD RELATION FOR THE HOTTER Ap STARS?
	W.W. Weiss
	10 September 1980
ASCII text
[1841.txt]
PDF [1841.pdf]

1842	PHOTOELECTRIC MINIMA OBSERVATIONS OF THE ECLIPSING BINARY SV CENTAURI
	H. Drechsel, H.-D. Radecke, J. Rahe, G. Rupprecht, B. Wolf
	13 September 1980
ASCII text
[1842.txt]
PDF [1842.pdf]

1843	PERIOD CHANGE OF AW URSAE MAIORIS
	Maria Kurpinska-Winiarska
	16 September 1980
ASCII text
[1843.txt]
PDF [1843.pdf]

1844	A LIGHT CURVE AND TIME OF MINIMUM FOR W UMa OBTAINED WITH THE IUE
	SATELLITE
	S.M. Rucinski, P. Gondhalekar, J.E. Pringle, J.A.J. Whelan
	17 September 1980
ASCII text
[1844.txt]
PDF [1844.pdf]

1845	A PHOTOGRAPHIC LIGHT CURVE OF NOVA V1668 CYGNI AND SOME OBSERVATIONS
	OF SS CYGNI
	H.W. Duerbeck, H. Pollok
	19 September 1980
ASCII text
[1845.txt]
PDF [1845.pdf]

1846	RAPID VARIABILITY OF SYMBIOTIC STARS: CH CYGNI AND EG ANDROMEDAE
	Joanna Mikolajewska, M. Mikolajewski
	19 September 1980
ASCII text
[1846.txt]
PDF [1846.pdf]

1847	PHOTOELECTRIC BEHAVIOUR OF V818 Sco AND X Per
	B.B. Sanwal
	24 September 1980
ASCII text
[1847.txt]
PDF [1847.pdf]

1848	ON THE VARIABILITY OF CENTRAL STARS OF TWO PLANETARY NEBULAE
	B.E. Zhiljaev, A.G. Totochava
	26 September 1980
ASCII text
[1848.txt]
PDF [1848.pdf]

1849	OPTICAL VARIABILITY OF THE RS CVn CANDIDATE HD 174429
	D.W. Coates, L. Halprin, P. Sartori, K. Thompson
	29 September 1980
ASCII text
[1849.txt]
PDF [1849.pdf]

1850	PHOTOELECTRIC y AND lambda6585 OBSERVATIONS OF VW CEPHEI
	E.F. Guinan, S.-I. Najafi, F. Zamani-Noor
	2 October 1980
ASCII text
[1850.txt]
PDF [1850.pdf]

1851	HD 37819, A NEW DELTA SCUTI STAR
	G. Burki, M. Mayor
	6 October 1980
ASCII text
[1851.txt]
PDF [1851.pdf]

1852	ON THE VARIABILITY OF V1068 CYGNI
	R.I. Chuprina, V.G. Derevyagin
	10 October 1980
ASCII text
[1852.txt]
PDF [1852.pdf]

1853	A CEPHEID VARIABLE IN NGC 6067
	O.J. Eggen
	13 October 1980
ASCII text
[1853.txt]
PDF [1853.pdf]

1854	UBV PHOTOMETRY OF SZ Lyn
	G.A. Garbusov
	13 October 1980
ASCII text
[1854.txt]
PDF [1854.pdf]

1855	THE MAXIMUM TIMES AND NEW LIGHT ELEMENTS OF 28 AQUILAE
	A.Y. Ertan, Z. Tunca, O. Tumer, S. Evren, M. Kurutac, C. Ibanoglu
	15 October 1980
ASCII text
[1855.txt]
PDF [1855.pdf]

1856	NARROW- AND INTERMEDIATE-BAND Halpha PHOTOELECTRIC PHOTOMETRY OF
	VW CEPHEI
	E.F. Guinan, A.G. Weisenberger
	17 October 1980
ASCII text
[1856.txt]
PDF [1856.pdf]

1857	THE PERIOD OF V154 IN NGC 5272 (M3)
	U. Hopp
	20 October 1980
ASCII text
[1857.txt]
PDF [1857.pdf]

1858	THE SPECTRUM OF R SEXTANTIS
	W.P. Bidelman
	24 October 1980
ASCII text
[1858.txt]
PDF [1858.pdf]

1859	SURPRISINGLY HIGH OPTICAL POLARIZATION OF Mu CEPHEI
	Jelisaveta Arsenijevic, A. Kubicela, I. Vince
	24 October 1980
ASCII text
[1859.txt]
PDF [1859.pdf]

1860	H AND K EMISSIONS IN V471 TAURI (BD +16d516)
	E. Hamzaoglu
	27 October 1980
ASCII text
[1860.txt]
PDF [1860.pdf]

1861	PRESENT ACTIVITY OF CH CYGNI
	R. Faraggiana, M. Hack
	27 October 1980
ASCII text
[1861.txt]
PDF [1861.pdf]

1862	A SUDDEN ACCELERATION IN THE MIGRATION RATE OF RS CVn
	J.A. Eaton, D.S. Hall, G.W. Henry
	12 November 1980
ASCII text
[1862.txt]
PDF [1862.pdf]

1863	PHOTOELECTRIC MINIMA OF DO CASSIOPEIAE
	O. Tumer, S. Evren
	12 November 1980
ASCII text
[1863.txt]
PDF [1863.pdf]

1864	PERIOD OF SV CENTAURI STOPPED DECREASING
	Z. Kviz, K.J. Murray
	12 November 1980
ASCII text
[1864.txt]
PDF [1864.pdf]

1865	NEW VARIABLE STARS IN THE FIELD OF 9 URSAE MAIORIS
	G. Romano
	12 November 1980
ASCII text
[1865.txt]
PDF [1865.pdf]

1866	AN INTERESTING PHENOMENON OF THE FLARE STAR BD +22d3406
	F.M. Mahmoud, M.A. Soliman
	13 November 1980
ASCII text
[1866.txt]
PDF [1866.pdf]

1867	LIGHT CURVE OF RS SCUTI
	D.A.H. Buckley
	13 November 1980
ASCII text
[1867.txt]
PDF [1867.pdf]

1868	RESULTS OF THE PHOTOELECTRIC OBSERVATIONS OF 88 Her
	N.L. Magalashvili, J.I. Kumsishvili
	13 November 1980
ASCII text
[1868.txt]
PDF [1868.pdf]

1869	REVISED BLUE MOUNTAIN OBSERVATORY TIMINGS
	Th.E. Margrave
	15 November 1980
ASCII text
[1869.txt]
PDF [1869.pdf]

1870	HD 200925, A PULSATING VARIABLE
	S.K. Gupta, T.D. Padalia
	17 November 1980
ASCII text
[1870.txt]
PDF [1870.pdf]

1871	THE ECLIPSE OF CI Cyg IN 1980
	R. Burchi, A. di Paolantonio, S. Mancuso, L. Milano, A. Vittone
	21 November 1980
ASCII text
[1871.txt]
PDF [1871.pdf]

1872	ON THE PHOTOMETRIC ELEMENTS OF RX Her
	G. Giuricin, F. Mardirossian
	24 November 1980
ASCII text
[1872.txt]
PDF [1872.pdf]

1873	CW UMa - A NEW FLARE STAR
	W.P. Bidelman
	2 December 1980
ASCII text
[1873.txt]
PDF [1873.pdf]

1874	VARIABLE STAR IN THE GALACTIC CLUSTER NGC 7654
	W. Pfau
	3 December 1980
ASCII text
[1874.txt]
PDF [1874.pdf]

1875	PHOTOELECTRIC TIMES OF MINIMA OF TT Her
	A. D'Orsi, S. Marcozzi, L. Milano
	3 December 1980
ASCII text
[1875.txt]
PDF [1875.pdf]

1876	SPECTROSCOPIC MEASUREMENTS OF THE YELLOW SUPERGIANT CO Aur
	M. Hoffmann
	5 December 1980
ASCII text
[1876.txt]
PDF [1876.pdf]

1877	TZ BOOTIS' 1980 LIGHT CURVE
	M. Hoffmann
	5 December 1980
ASCII text
[1877.txt]
PDF [1877.pdf]

1878	OBSERVATIONS OF THE SPOT STARS EQ Vir AND UZ Lib IN 1977
	M. Hoffmann
	5 December 1980
ASCII text
[1878.txt]
PDF [1878.pdf]

1879	ON THE SUSPECTED ULTRASHORT PERIOD W UMa TYPE BINARIES BG CrA AND
	AB Tel
	M. Hoffmann
	5 December 1980
ASCII text
[1879.txt]
PDF [1879.pdf]

1880	SUPPLEMENTARY OBSERVATIONS OF AR Lac IN 1974
	M. Hoffmann
	5 December 1980
ASCII text
[1880.txt]
PDF [1880.pdf]

1881	THE NEW PHOTOELECTRIC EPHEMERIS AND LIGHT CURVES OF NN CEPHEI
	N. Gudur, O. Gulmen
	8 December 1980
ASCII text
[1881.txt]
PDF [1881.pdf]

1882	FURTHER ON THE PERIOD OF NY CEPHEI
	D.J. Barlow, D.W. Forbes
	10 December 1980
ASCII text
[1882.txt]
PDF [1882.pdf]

1883	PHOTOGRAPHIC OBSERVATIONS OF THE POSSIBLE COUNTERPART OF THE X RAY
	SOURCE 1E 0643.0-1648
	B. Fuhrmann
	11 December 1980
ASCII text
[1883.txt]
PDF [1883.pdf]

1884	Tau CYGNI
	C. Bartolini, A. Dapergolas
	12 December 1980
ASCII text
[1884.txt]
PDF [1884.pdf]

1885	REQUEST FOR CONFIRMATION OF A NEW DISCOVERED ECLIPSING BINARY
	(SAO 072799)
	P. Frank
	12 December 1980
ASCII text
[1885.txt]
PDF [1885.pdf]

1886	14 Lac: A NEW LIGHT VARIABLE Be STAR
	L. Mantegazza
	15 December 1980
ASCII text
[1886.txt]
PDF [1886.pdf]

1887	FLARE STARS IN THE Gamma CYGNI REGION
	Katya P. Tsvetkova
	16 December 1980
ASCII text
[1887.txt]
PDF [1887.pdf]

1888	FLARE STARS IN THE PLEIADES
	M.K. Tsvetkov, A.G. Tsvetkova, S.A. Tsvetkov
	16 December 1980
ASCII text
[1888.txt]
PDF [1888.pdf]

1889	FLARE STARS IN ORION
	M.K. Tsvetkov, S.A. Tsvetkov, A.G. Tsvetkova
	16 December 1980
ASCII text
[1889.txt]
PDF [1889.pdf]

1890	TWO NEW VARIABLE STARS IN THE Gamma CYGNI REGION
	Katya P. Tsvetkova
	16 December 1980
ASCII text
[1890.txt]
PDF [1890.pdf]

1891	PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR BY Dra IN 1975
	L.N. Mavridis, P. Varvoglis
	17 December 1980
ASCII text
[1891.txt]
PDF [1891.pdf]

1892	PHOTOMETRY OF TWO SUSPECTED LONG PERIOD CEPHEIDS
	J.F. Dean
	18 December 1980
ASCII text
[1892.txt]
PDF [1892.pdf]

1893	SEARCH FOR AN ECLIPSE OF HR 913
	G.W. Henry
	18 December 1980
ASCII text
[1893.txt]
PDF [1893.pdf]

1894	ON THE INTERCONNECTION OF THE PULSATIONAL AND ORBITAL PERIOD VALUES
	FOR BINARY SYSTEMS
	M.S. Frolov, E.N. Pastukhova, A.V. Mironov, V.G. Moshkalev
	19 December 1980
ASCII text
[1894.txt]
PDF [1894.pdf]

1895	NEW PERIOD INCREASE IN THE CEPHEID S Vul
	F. Mahmoud, L. Szabados
	22 December 1980
ASCII text
[1895.txt]
PDF [1895.pdf]

1896	PHOTOGRAPHIC OBSERVATIONS OF 1980 ECLIPSE OF CI CYGNI
	M. Huruhata
	22 December 1980
ASCII text
[1896.txt]
PDF [1896.pdf]

1897	FLARE ACTIVITY OF V914 Sco
	I.C. Busko, F.J. Jablonski, G.R. Quast, C.A.O. Torres
	28 December 1980
ASCII text
[1897.txt]
PDF [1897.pdf]

1898	VYSS 124 AS A BY Dra VARIABLE
	I.C. Busko, G.R. Quast, C.A.O. Torres
	28 December 1980
ASCII text
[1898.txt]
PDF [1898.pdf]

1899	PHOTOELECTRIC MINIMA OF THE ECLIPSING BINARY DM PERSEI
	C. Sezer
	29 December 1980
ASCII text
[1899.txt]
PDF [1899.pdf]

1900	DETERMINATIONS OF SIX TIMES OF MINIMA, AND A NEW EPHEMERIS FOR BS Dra
	P.B. Etzel
	29 December 1980
ASCII text
[1900.txt]
PDF [1900.pdf]


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