\documentstyle[twoside, epsf]{article}

\input ibvs2.sty
\input ibvse.sty

\begin{document}
\IBVShead{5434}{30 June 2003}

\IBVStitle{New Times of Minima of Eclipsing Binary Systems}

\IBVSauth{Borkovits, Tam\'as$^{1,5}$;  B\'ir\'o, Imre Barna$^1$; Heged\"us, Tibor$^1$; Csizmadia, Szil\'ard$^2$; Szabados, L\'aszl\'o$^2$; P\'al, Andr\'as$^{3,5,6}$; Posztob\'anyi, K\'alm\'an$^{3,5}$; K\"onyves, Vera$^{3,5}$; K\'osp\'al, \'Agnes$^{3,6}$; Cs\'ak, Bal\'azs$^4$; M\'esz\'aros, Szabolcs$^4$}

\IBVSinst{Baja Astronomical Observatory  of B\'acs-Kiskun County, Baja, Szegedi \'ut, POB. 766, H--6500 Hungary;\\ e-mail: borko@electra.bajaobs.hu}
\IBVSinst{Konkoly Observatory of the Hungarian Academy of Sciences,
Budapest, PO. Box 67, H--1525, Hungary}
\IBVSinst{Department of Astronomy, E\"otv\"os Lor\'and University,
Budapest, POB. 32, H--1518 Hungary}
\IBVSinst{Department of Experimental Physics and Astronomical Observatory, University of
Szeged, Szeged, D\'om~t\'er~9, H--6720, Hungary}
\IBVSinst{Guest observer at Piszk\'estet\H o Observatory of Konkoly Observatory}
\IBVSinst{Guest observer at Baja Astronomical Observatory}

\SIMBADobj{XZ And}
\SIMBADobj{AB And}
\SIMBADobj{SS Ari}
\SIMBADobj{HP Aur}
\SIMBADobj{IM Aur}
\SIMBADobj{IU Aur}
\SIMBADobj{VW Cep}
\SIMBADobj{V477 Cyg}
\SIMBADobj{AK Her}
\SIMBADobj{GU Her}
\SIMBADobj{V861 Her}
\SIMBADobj{SW Lac}
\SIMBADobj{UV Leo}
\SIMBADobj{UZ Leo}
\SIMBADobj{V404 Lyr}
\SIMBADobj{AG Per}
\SIMBADobj{XY UMa}
\SIMBADobj{DW UMa}
\SIMBADobjAlias{LP UMa}{GSC 03822-01056}
\IBVStyp{ Binaries: eclipsing }
\IBVSkey{Photoelectric photometry}
\IBVSabs{We present 58 photoelectric minima observations of}
\IBVSabs{19 eclipsing binaries.}

\begintext

\IBVSEobs{50-cm $f/8.4$ Ritchey--Chr\'etien telescope of the Baja
Astronomical Observatory (Hungary) (Ba50)\\ 
50-cm $f/15$ Cassegrain telescope (Pi50),\\
60/90/180 Schmidt telescope (Pi90), and \\
 1m $f/13.3$ RCC telescope (Pi100) of the Konkoly
Observatory at Piszk\'estet\H o Mountain Station (Hungary) \\
40-cm Cassegrain telescope (Sz40) of Szeged Observatory (Hungary)}

\IBVSEdet{$512\times512$ Apogee AP-7 CCD camera (Ba50)\\
&UBVRI Photometer (Pi50)\\
&$1536\times1024$ Photometrics CCD-camera (Pi90)\\
&$1536\times1024$ Photometrics CCD-camera (Pi100P)\\
&$1152\times770$ Wright Instruments CCD-camera (Pi100W)\\
&$512\times512$ SBIG ST9-E CCD camera (Sz40)}

\IBVSEred{Reduction of the CCD frames was made with a customly developed
IRAF\footnotemark \, package.}

\footnotetext{IRAF is distributed by the National Optical Astronomical
Observatories, operated by the Association of the Universities for
Research in Astronomy, inc., under cooperative agreement with the
National Science Foundation}

\IBVSEmethod{The minima times were computed
with parabolic fitting, and in some cases with linearized
Pogson-method or Kwee-van Woerden method (Kwee \& van Woerden, 1956).}

{\small
\IBVSEstars{
XZ And & EA & 01 56 52 & +42 06 02 & 2824-1778 & 49313.53034 & 1.3572965 & 1\\
AB And & EW & 23 11 32 & +36 53 35 & BD+36$\deg$5018 & 51534.2504 & 0.33189106 & 2 \\
SS Ari & EW & 02 04 15 & +24 00 06 & BD+23$\deg$277 & 52528.7093 & 0.40598385 & 3\\
HP Aur & EB & 05 10 22 & +35 47 47 & 2401-1128 & 46353.2360 & 1.4228191 & 4\\           
IM Aur & EA & 05 15 30 & +46 24 21 & HD 33732$^a$ & 38327.7974 & 1.2472891 & 5 \\
&&&& 3358-1208$^b$&&& \\
IU Aur & EA & 05 27 52 & +34 46 58 & HD 35619$^*$ & 47469.5535 & 1.811474 & 6 \\
&&&& 2411-1937$^{**}$&&& \\
&&&& HD 35669$^{***}$&&& \\
VW Cep & EW & 20 37 21 & +75 35 57 & BD+75$\deg$751 & 44157.4131 & 0.2783146 & 7 \\
V477 Cyg &EA& 20 05 28 & +31 58 18 & BD+31$\deg$3929 & 44189.2639 & 2.34699060 & 7\\
AK Her & EW & 17 13 58 & +16 21 01 & 1536-1834 & 42186.4600 & 0.42152201 & 7 \\
GU Her & EA & 16 32 05 & +30 23 21 & 2581-2356 & 50983.46694& 4.34320188 & 8 \\
V861 Her&EW & 16 51 13 & +41 17 58 & 3079-0194 & 43684.3250 & 0.3446322  & 9 \\
SW Lac & EW & 22 53 42 & +37 56 19 & 3215-1406 & 45275.3477 & 0.3207209 & 7 \\
UV Leo & EA & 10 38 21 & +14 16 04 & BD+14$\deg$2273 & 48617.5761 & 0.6000864 & 10 \\
UZ Leo & EW & 10 40 33 & +13 34 01 & 0845-0996 & 47240.4180 & 0.6180508 & 11 \\
V404 Lyr &EB& 19 19 06 & +38 22 00 & 3121-1597 & 35836.448  & 0.7309432 & 12 \\
AG Per & EA & 04 06 56 & +33 26 47 & BD+33$\deg$791 & 44584.5830 & 2.02870904 & 7 \\
XY UMa &EA/RS&09 09 56 & +54 29 18 & HD 237784 & 52351.5911 & 0.47899511 & 3 \\
DW UMa & EA & 10 33 53 & +58 46 54 & 3822-0070 & 46229.00691 & 0.13660653 & 13\\
LP UMa & EW & 10 33 58 & +58 52 16 & 3822-0070 & 50495.5212 & 0.30989069 & 14 \\
}  
}

\IBVSEsource{
1. Demircan et al., 1995 \\
2. Pribulla et al., 2001 \\
3. Pribulla et al., 2002 \\
4. Wolf \& Sarounov\'a, 1996 \\
5. Bartolini \& Zoffoli, 1986 \\
6. Drechsel et al., 1994 \\
7. Kholopov et al., 1985 \\
8. Borkovits et al., 2001 \\
9. Antipin, 1996 \\
10. Mikuz, et al., 2002 \\
11. Heged\"us \& J\"ager, 1992 \\
12. Csizmadia \& S\'andor, 2001 \\
13. B\'\i r\'o, 2000\\
14. B\'\i r\'o \& Borkovits, 2000 
}


{\small
\IBVSEmin{
XZ And & 52534.4460 & 1 & I & $R$ & $0.0511$ & Bor/Ba50 \\
AB And & 52517.3162 & 1 & I & $R$ & $0.0045$ & Bor/Ba50 \\
       & 52517.4811 & 2 &II & $R$ & $0.0034$ & Bor/Ba50 \\
       & 52548.3470 & 4 &II &$B,V,R$& $0.0035$ & Bor+PK+P\'al/Pi50 \\
SS Ari & 52528.5021 & 1 &II & $V$ & $-0.0042$ & Bor/Ba50 \\
       & 52547.3805 & 7 & I &$B,V,R$& $-0.0041$ & Bor+P\'al+PK/Pi50 \\
HP Aur & 52606.5288 & 3 & I &$B,V,R$& $0.0029$ & B\'\i r/Ba50 \\
IM Aur & 52567.4615 & 6 &II & $R$ & $-0.0119$ & B\'\i r/Ba50$^a$ \\
       & 52599.2683 & 3 & I &$V,R$& $-0.0110$ & Csiz+Bor/Pi100P$^b$ \\
       & 52607.372  & 3 &II &$V,R$& $-0.015$ & Bor/Ba50$^a$ \\
       & 52655.3973 & 3 & I & $V$ & $-0.0100$ & Heg/Ba50$^b$ \\
       & 52723.377  & : &II & $R$ & $-0.007$ & B\'\i r/Ba50$^b$ \\
       & 52728.365  & : &II & $V$ & $-0.009$ & Bor/Ba50$^a$ \\
}
}

{\small
\IBVSEmin{
IU Aur & 52533.519  & 4 &II & $V$ & $-0.010$ & Heg/Ba50$^*$ \\
       & 52553.451  & 3 &II &$B,V,R$&$-0.004$& B\'\i r/Ba50$^{**}$ \\
       & 52572.4699 & 9 & I &$B,V$& $-0.0059$ & Bor+P\'al/Pi50$^*$ \\
       & 52572.4700 & 9 & I &$V,R$& $-0.0058$ & B\'\i r/Ba50$^*$ \\
       & 52572.4706 & 2 & I & $V$ & $-0.0052$ & Cs\'ak+M\'esz/Sz40$^*$ \\
       & 52602.3561 &17 &II &$B,V,R$&$-0.0090$& Bor/Ba50$^*$ \\
       & 52619.565 & 4& I &$U,B,V,R$&$-0.009$& Szab/Pi50$^*$ \\
       & 52641.3032 & 2 & I & $R$ & $-0.0086$ & Bor/Ba50$^*$ \\
       & 52651.266  & 1 &II & $R$ & $-0.009$ & Bor/Ba50$^{**}$ \\
       & 52669.3803 & 5 &II & $V$ & $-0.0093$ & B\'\i r/Ba50$^{***}$ \\
       & 52697.4660 &13 & I &$B,V,R$&$-0.0015$& Bor/Pi50$^*$ \\
       & 52698.3725 & 8 &II &$B,V,R$&$-0.0007$& Bor/Pi50$^*$ \\
VW Cep & 52787.3891 & 2 &II & $R$ & $0.1360$ & B\'\i r+Bor/Ba50 \\
V477 Cyg&52767.4991 & 1 & I & $R$ & $-0.0154$ & P\'al/Ba50 \\
AK Her & 52747.4943 & 5 &II & $R$ & $0.0111$ & Bor/Ba50 \\
       & 52758.4549 & 1 &II & $R$ & $0.0121$ & Bor/Ba50 \\
       & 52766.4631 & 1 &II & $R$ & $0.0114$ & K\'os+P\'al+Bor/Ba50 \\
GU Her & 52779.3942 & 6 &II & $R$ & $0.0133$ & Bor/Ba50 \\ 
V861 Her&52693.6196 & 4 & I &$V,R,I$&$0.0919$ & Csiz/Pi100W \\
       & 52696.5519 & 4 &II &$V,R,I$&$0.0949$ & Csiz/Pi100W \\
SW Lac & 52518.424  & 1 & I & $R$ & $-0.405$ & Bor/Ba50 \\
UV Leo & 52725.4682 & 2 &II & $V$ & $0.0006$ & B\'\i r/Ba50 \\
UZ Leo & 52767.3666 & 3 &II & $R$ & $0.0293$ & P\'al/Ba50 \\
V404 Lyr&52765.4568 & 4 &II &$V,R$& $-0.0012$ & B\'\i r/Ba50 \\
AG Per & 52555.473  & 1 & I & $R$ & $0.092$ & Bor/Ba50 \\
XY UMa & 52693.5986 & 2 & I & $V$  & $0.0050$ & K\"ony/Pi90 \\
DW UMa & 52607.5755 & 2 & I & $R$ & $-0.0001$ & Bor/Ba50 \\
       & 52709.3477 & 1 & I & $R$ & $0.0002$ & Bor/Ba50 \\
       & 52716.3139 & 1 & I & $R$ & $-0.0005$ & Bor/Ba50 \\
       & 52716.4508 & 1 & I & $R$ & $-0.0002$ & Bor/Ba50 \\
       & 52716.5871 & 1 & I & $R$ & $-0.0005$ & Bor/Ba50 \\
       & 52721.36905& 6 & I & $R$ & $0.00020$ & Bor/Ba50 \\
       & 52721.50524& 5 & I & $R$ & $-0.00022$ & Bor/Ba50 \\
       & 52721.6418 & 2 & I & $R$ & $-0.0003$ & Bor/Ba50 \\
       & 52724.37426& 6 & I & $R$ & $0.00006$ & Bor/Ba50 \\
       & 52730.3851 & 1 & I & $R$ & $0.0002$ & Bor/Ba50 \\
       & 52730.5215 & 1 & I & $R$ & $0.0000$ & Bor/Ba50 \\
LP UMa & 52607.595  & 1 & II& $R$ & $0.014$ & Bor/Ba50 \\
       & 52709.3980 & 3 & I & $R$ & $0.0177$ & Bor/Ba50 \\
       & 52716.376  & : &II & $R$ & $0.023$ & Bor/Ba50 \\
       & 52716.5258 & 8 & I & $R$ & $0.0181$ & Bor/Ba50 \\
       & 52721.3320 & 6 &II & $R$ & $0.0210$ & Bor/Ba50 \\
       & 52721.4828 & 1 & I & $R$ & $0.0168$ & Bor/Ba50 \\
       & 52724.4284 & : &II & $R$ & $0.0184$ & Bor/Ba50 \\
       & 52730.4698 & 3 & I & $R$ & $0.0170$ & Bor/Ba50 \\
}
}

\IBVSEremexp{Observer(s)/Instrument \\
(Superscripts $^{a,b}$ indicate the comparison stars used in the actual 
reduction for IM~Aur, as well as asterisks have the same meanings for IU~Aur, 
as labeled in Table `Observed star(s)'.)}

\IBVSEack{This work was partly supported by National Grant OTKA T034551.}

\newpage

\references

Antipin, S. V., 1996, {\it IBVS}, 4360

Bartolini, C., Zoffoli, M., 1986, {\it A\&A}, {\bf 168}, 377

B\'\i r\'o, I. B., 2000, {\it A\&A}, {\bf 364}, 573

B\'\i r\'o, I. B., Borkovits, T., 2000, {\it IBVS}, 4967

Borkovits, T., B\'\i r\'o, I. B., Kov\'acs, T., 2001, {\it IBVS}, 5206

Csizmadia, Sz., S\'andor, Zs., 2001, {\it IBVS}, 5045

Demircan, O., Akalin, A., Selam, S., Derman, E., M\"uyessero\v glu, Z., 1995,
   {\it A\&AS}, {\bf 114}, 167
   
Drechsel, H., Haas, S., Lorenz, R., Mayer, P., 1994, {\it A\&A}, {\bf 284}, 853
   
Heged\"us, T., J\"ager, Z., 1992, {\it PASP}, {\bf 104}, 733

Kholopov, P. N., et al., 1985, {\it General Catalog of Variable Stars}, 4th Eds.

Kwee, K. K., \& van Woerden, H., 1956, {\it Bull.\ Astron.\ Inst.\ Neth.}, {\bf 12}, 327

Mikuz, H., Dintinjana, B., Prsa, A., Munari, U., Zwitter, T., 2002, {\it IBVS}, 5338

Pribulla, T., Vanko, M., Parimucha, S., Chochol, D, 2001, {\it IBVS}, 5056

Pribulla, T., Vanko, M., Parimucha, S., Chochol, D., 2002, {\it IBVS}, 5341

Wolf, M., Sarounov\'a, L., 1996, {\it IBVS}, 4292

\end{document}


