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\IBVShead{4793}{4 November 1999}

\IBVStitletl{ New Variable Stars Discovered in the MISAO Project }{ V: M\lowercase{is}V0251--M\lowercase{is}V0300 }

\IBVSauth{Seiichi Yoshida$^1$, KenIchi Kadota$^2$, Taichi Kato$^3$}

\IBVSinst{MISAO Project, 1065-16 Miyawada Fujishiro-machi Kitasoma-gun Ibaraki 300-1514, Japan,\\ \indent e-mail: seiichi@muraoka.info.waseda.ac.jp}

\IBVSinst{MISAO Project, 77-1-3-12-204 Koshikiya Ageo City Saitama 362-0064, Japan,\\ \indent e-mail: kenic-k@astroarts.co.jp}

\IBVSinst{Dept.\ of Astronomy, Kyoto University, Kyoto 606-8502, Japan, e-mail: tkato@kusastro.kyoto-u.ac.jp}

\IBVSabs{This report describes 50 new variable stars (MisV0251-MisV0300)}
\IBVSabs{discovered in the course of the MISAO Project.}

\begintext

This report describes 50 new variable stars (MisV0251--MisV0300) discovered in the course of the MISAO Project.

These objects are detected automatically by the PIXY system as candidates of variable stars from unfiltered CCD images taken by Kadota between 1999 April and August, then confirmed by Yoshida and Kadota. Further details are same as described in Yoshida and Kadota (1999). 

Table 1 contains the list of 50 new variable stars. The position and magnitude are measured using USNO-A1.0 catalog. The magnitude is based on a preliminary {\it V} magnitude calculated from $R$ and $B$ magnitude in the catalog based on Kato's (1998) equation:
\[
V = R + 0.375 (B - R)
\]
The finding charts are available electronically as 4793-f$[nnn]$.eps where $[nnn]$ refers to the serial number assigned to the star in the first column of Table~1.

NSV 12738 is 4.4 arcmin from MisV0251. However, it was detected on our unfiltered CCD image as around 16 mag. Therefore, MisV0251 is another new variable star.

EM Oph is 4.5 arcmin from MisV0261. QY Oph is 4.0 arcmin from MisV0263. IN Sco is 4.7 arcmin from MisV0265. No star brighter than 14 mag was detected at these positions on our unfiltered CCD images. However, considering the large distance, MisV0261, MisV0263 and MisV0265 are probably new variable objects.

MisV0297 is located at a distance of 129 arcsec from the cataloged position of the obscure nova DZ Ser. A slight uncertainly of the coordinates reported among existing references (Duerbeck 1987) may have led to a possible identification. More extensive study of the new variable and the comparison with the discovery material of DZ Ser are needed to clarify the situation.

\references

Duerbeck, H. W., 1987, {\it Space Sci. Rev.}, {\bf 45}, 58

Kato, T., 1998, \\ {\tt http://www.kusastro.kyoto-u.ac.jp/vsnet/Mail/vsnet-chat/msg00700.html}

Yoshida, S., Kadota, K., 1999, {\it IBVS}, No.\ 4746

Yoshida, S., Kadota, K., Kato, T., 1999, {\it IBVS}, No.\ 4770

Yoshida, S., Kadota, K., Kato, T., 1999, {\it IBVS}, No.\ 4771

Yoshida, S., Kadota, K., Kato, T., 1999, {\it IBVS}, No.\ 4780

Yoshida, S., 1999, in preparation

\endreferences

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Table 1: List of New Variable Stars
\vskip2mm
\begin{tabular}{crrrrcl} \hline
Code & \multicolumn{2}{c}{R.A. (J2000.0) Decl.} & 
\multicolumn{2}{c}{\begin{tabular}{c} Unfiltered \\ CCD Mag. \\ Max \hfill Min \end{tabular}} & 
Type & Identified with \\ \hline
MisV0251 & 20\hr02\mm23\fsec74 & +45\deg31\arcm48\farcs0 & 11.4 & 12.4 & ? & USNO-A1.0 1350.11732426 \\
\multicolumn{6}{c}{} & IRAS 20008+4523 \\
MisV0252 & 18 02 20.11 & $-$03 40 43.9 & 12.9 & 14.1 & ? & USNO-A1.0 0825.11795307 \\
\multicolumn{6}{c}{} & IRAS 17596-0340 \\
MisV0253 & 18 57 42.25 & +11 12 57.3 & 11.6 & 12.3 & ? & IRAS 18553+1108 \\
MisV0254 & 17 57 23.02 & $-$18 02 45.8 & 12.6 & 13.4 & ? & IRAS 17544-1802 \\
MisV0255 & 19 01 32.35 & +15 00 21.7 & 11.8 & 12.7 & ? & IRAS 18592+1455 \\
MisV0256 & 18 59 47.58 & +13 28 44.5 & 12.6 & 13.3 & ? & USNO-A1.0 0975.14019473 \\
\multicolumn{6}{c}{} & IRAS 18574+1324 \\
MisV0257 & 20 03 12.50 & +32 21 57.8 & 13.6 & 14.7 & ? & USNO-A1.0 1200.14514625 \\
\multicolumn{6}{c}{} & IRAS 20012+3213 \\
MisV0258 & 21 00 41.79 & +38 49 59.4 & 11.6 & 12.3 & ? & USNO-A1.0 1275.14728592 \\
\multicolumn{6}{c}{} & IRAS 20587+3838 \\
MisV0259 & 19 59 44.71 & +26 52 03.5 & 14.2 & 15.2 & ? & USNO-A1.0 1125.15056625 \\
\multicolumn{6}{c}{} & IRAS 19577+2643 \\
MisV0260 & 20 00 27.38 & +27 12 27.3 & 12.7 & 13.6 & ? & USNO-A1.0 1125.15087259 \\
\multicolumn{6}{c}{} & IRAS 19584+2704 \\
MisV0261 & 16 59 35.06 & $-$25 54 29.0 & 11.8 & 13.9 & ? & \\
MisV0262 & 16 59 36.49 & $-$27 47 36.4 & 11.2 & 13.2 & ? & USNO-A2.0 0600.22839578 \\
MisV0263 & 17 02 59.91 & $-$29 06 44.0 & 11.9 & [14.1 & ? & USNO-A2.0 0600.23335362 \\
MisV0264 & 16 57 01.88 & $-$29 14 14.9 & 12.7 & 13.9 & ? & USNO-A2.0 0600.22499831 \\
MisV0265 & 17 00 31.51 & $-$30 20 54.9 & 12.0 & 13.4 & ? & \\
MisV0266 & 17 59 53.52 & $-$07 50 18.1 & 13.6 & 15.0 & ? & \\
MisV0267 & 17 57 39.59 & $-$02 48 19.9 & 13.1 & 15.0 & SR? & USNO-A2.0 0825.11617631 \\
MisV0268 & 18 58 29.87 & +22 58 20.5 & 12.1 & 13.5 & ? & USNO-A2.0 1125.10932827 \\
MisV0269 & 18 57 18.98 & +24 53 50.5 & 13.0 & [15.1 & SR? & USNO-A2.0 1125.10869563 \\
MisV0270 & 16 59 41.97 & $-$22 50 13.0 & 11.7 & 13.4 & ? & USNO-A2.0 0600.22852019 \\
\multicolumn{6}{c}{} & IRAS 16566-2245 \\
MisV0271 & 17 01 48.55 & $-$23 01 15.3 & 10.7 & 11.7 & ? & USNO-A2.0 0600.23151309 \\
\multicolumn{6}{c}{} & IRAS 16587-2256 \\
MisV0272 & 17 01 34.34 & $-$22 44 47.6 & 12.2 & 14.5 & ? & USNO-A2.0 0600.23118070 \\
\multicolumn{6}{c}{} & IRAS 16585-2240 \\
MisV0273 & 16 59 45.19 & $-$24 12 49.8 & 13.0 & 13.8 & ? & IRAS 16567-2408 \\
MisV0274 & 17 00 04.55 & $-$23 56 41.8 & 11.9 & 14.0 & ? & USNO-A2.0 0600.22904491 \\
\multicolumn{6}{c}{} & IRAS 16570-2352 \\
MisV0275 & 17 01 37.70 & $-$23 38 44.0 & 11.0 & 13.1 & ? & GSC 6811.0931 \\
\multicolumn{6}{c}{} & USNO-A2.0 0600.23126044 \\
\multicolumn{6}{c}{} & IRAS 16585-2334 \\
\hline
\end{tabular}
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Table 1 (cont.)
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\begin{tabular}{crrrrcl} \hline
Code & \multicolumn{2}{c}{R.A. (J2000.0) Decl.} & 
\multicolumn{2}{c}{\begin{tabular}{c} Unfiltered \\ CCD Mag. \\ Max \hfill Min \end{tabular}} & 
Type & Identified with \\ \hline
MisV0276 & 16\hr58\mm22\fsec42 & $-$25\deg48\arcm46\farcs9 & 11.7 & [13.1 & ? & IRAS 16552-2544 \\
MisV0277 & 16 58 52.97 & $-$27 58 03.7 & 11.7 & 12.8 & ? & USNO-A2.0 0600.22739287 \\
\multicolumn{6}{c}{} & IRAS 16557-2753 \\
MisV0278 & 16 56 57.13 & $-$30 01 10.1 & 10.7 & 11.7 & ? & USNO-A2.0 0525.24992420 \\
\multicolumn{6}{c}{} & IRAS 16537-2956 \\
MisV0279 & 16 57 12.82 & $-$12 51 22.7 & 11.1 & 12.0 & SR? & USNO-A2.0 0750.10195334 \\
\multicolumn{6}{c}{} & IRAS 16544-1246 \\
MisV0280 & 16 58 46.73 & $-$12 43 46.7 & 11.2 & [14.2 & M? & GSC 5651.1718 \\
\multicolumn{6}{c}{} & USNO-A2.0 0750.10225820 \\
\multicolumn{6}{c}{} & IRAS 16559-1239 \\
MisV0281 & 18 02 43.59 & $-$02 52 45.1 & 13.9 & 14.8 & SR? & IRAS 18001-0252 \\
MisV0282 & 17 59 30.06 & $-$04 10 50.8 & 14.0 & 14.9 & ? & IRAS 17568-0410 \\
MisV0283 & 17 58 11.47 & $-$05 45 13.3 & 14.0 & 14.9 & ? & IRAS 17555-0545 \\
MisV0284 & 18 02 49.22 & $-$06 32 36.0 & 13.9 & 14.7 & ? & IRAS 18001-0632 \\
MisV0285 & 18 00 00.16 & $-$05 54 11.1 & 13.5 & 14.4 & ? & USNO-A2.0 0825.11696058 \\
\multicolumn{6}{c}{} & IRAS 17573-0554 \\
MisV0286 & 18 01 51.07 & $-$06 30 15.2 & 12.9 & 15.5 & ? & IRAS 17591-0630 \\
MisV0287 & 18 01 13.99 & $-$06 08 42.5 & 12.8 & 15.2 & ? & USNO-A2.0 0825.11733574 \\
\multicolumn{6}{c}{} & IRAS 17585-0608 \\
MisV0288 & 17 58 08.32 & $-$07 17 42.2 & 13.7 & 16.3 & ? & USNO-A2.0 0825.11634411 \\
\multicolumn{6}{c}{} & IRAS 17554-0717 \\
MisV0289 & 18 00 07.51 & $-$07 02 35.4 & 13.0 & 14.8 & ? & IRAS 17573-0702 \\
MisV0290 & 18 00 38.43 & $-$07 14 20.0 & 13.5 & 15.7 & ? & IRAS 17579-0714 \\
MisV0291 & 17 59 17.66 & $-$06 57 51.5 & 12.4 & 14.5 & ? & USNO-A2.0 0825.11673408 \\
\multicolumn{6}{c}{} & IRAS 17565-0657 \\
MisV0292 & 17 58 19.70 & $-$07 31 55.4 & 13.2 & 14.6 & ? & USNO-A2.0 0750.12420588 \\
\multicolumn{6}{c}{} & IRAS 17556-0731 \\
MisV0293 & 18 00 07.23 & $-$08 07 45.0 & 12.5 & 13.5 & ? & IRAS 17573-0807 \\
MisV0294 & 18 00 10.41 & $-$08 09 54.3 & 13.5 & 15.3 & ? & USNO-A2.0 0750.12483760 \\
MisV0295 & 17 59 36.57 & $-$09 28 32.5 & 11.0 & 13.3 & ? & IRAS 17568-0928 \\
MisV0296 & 17 59 01.18 & $-$08 32 06.9 & 12.9 & 14.5 & ? & IRAS 17563-0831 \\
MisV0297 & 18 00 53.02 & $-$10 32 36.0 & 12.3 & 14.6 & SR? & USNO-A2.0 0750.12507224 \\
\multicolumn{6}{c}{} & IRAS 17581-1032 \\
MisV0298 & 17 58 13.22 & $-$09 47 54.5 & 11.9 & [14.5 & ? & USNO-A2.0 0750.12417014 \\
\multicolumn{6}{c}{} & IRAS 17554-0947 \\
MisV0299 & 18 58 29.95 & +20 06 35.5 & 9.8 & 10.6 & ? & USNO-A2.0 1050.12423588 \\
\multicolumn{6}{c}{} & IRAS 18563+2002 \\
MisV0300 & 18 57 26.51 & +19 48 47.6 & 11.1 & 12.6 & SR? & GSC 1593.1782 \\
\multicolumn{6}{c}{} & USNO-A2.0 1050.12354776 \\
\multicolumn{6}{c}{} & IRAS 18552+1944 \\
\hline
\end{tabular}
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