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MisV1224     Profile MisV1224 = MQ Cam R.A. 04h01m30s.94 Decl. +55o02'43".4 (2000.0) Mag. 12.69-13.31V Type DCEP Period 6.60 Epoch 2451451.1 = GSC 3722-00763 04h01m30s.98 +55o02'42".8 Error:0.2" Mag:12.49 Ma gError:0.54 Band:1 Class:0 Plate:036F Flag:F Epoch:11 OCT 1983 = USNO-A2.0 1425.04759730 04h01m31s.004 +55o02'43".35 Mag(R):11.4 M ag(B):14.2 Digitized Sky Survey GIF image (15 x 15 arcmin) SIMBAD Query AAVSO VSX Database ASAS-3 Light Curve NSVS Light Curve (NSVS 2089599) NSVS Light Curve (NSVS 1986915) Discovery Information Seiichi Yoshida, MISAO Project; Nobuo Ohkura, Okayama, Japan; and Ken-ichi Kadota, MISAO Project, discovered a new variable star MisV1224. It was picked up by Seiichi Yoshida from the candidates of new variable stars detected by the PIXY system 2 from images taken by Nobuo Ohkura, and confirmed by Ken-ichi Kadota. The identification is researched by Taichi Kato (Kyoto University), Seiichi Yoshida, and other contributors. Special Notes Patrick Wils and John Greaves revealed that it is a Cepheid variable with a period of 6.60 days from the NSVS data (IBVS 5512). Based on the V-band survey from Oct. 25 to Dec. 7 in 2003, and Rc-band survey from Sept. 30 to Dec. 14 in 2004 by Nobuo Ohkura, the light curve is obtained and it was confirmed to be a Cepheid variable with a period of 6.60 days. The magnitude ranges are revealed to be 12.69-13.31 mag in V-band, and 11.96-12.68 mag in Rc-band. Research and Publication New Northern Cepheids IBVS 5512 Wils, Patrick; Greaves, John Light Curve New Northern Cepheids IBVS 5512 Wils, Patrick; Greaves, John Nobuo Ohkura's survey V-band from Oct. 25 to Dec. 7 in 2003 Rc-band from Sept. 30 to Dec. 14 in 2004 Observations by MISAO Project Date Mag Filter Observer 2000 Dec. 23.53572 11.69 C Nobuo Ohkura 2000 Dec. 23.53758 11.58 C Nobuo Ohkura 2000 Dec. 23.53943 11.57 C Nobuo Ohkura 2000 Dec. 23.54128 11.61 C Nobuo Ohkura 2001 Nov. 16.63640 11.58 C Nobuo Ohkura 2001 Nov. 16.63837 11.54 C Nobuo Ohkura 2001 Nov. 16.64034 11.50 C Nobuo Ohkura 2002 Jan. 30.43751 11.66 C Nobuo Ohkura 2002 Jan. 30.43948 11.68 C Nobuo Ohkura 2002 Jan. 30.44145 11.74 C Nobuo Ohkura 2003 Sept. 30.72178 12.28 C Nobuo Ohkura 2003 Sept. 30.72375 12.14 C Nobuo Ohkura 2003 Sept. 30.72572 12.07 C Nobuo Ohkura 2003 Oct. 25.68317 12.84 V Nobuo Ohkura 2003 Oct. 25.68513 12.88 V Nobuo Ohkura 2003 Oct. 25.68708 12.81 V Nobuo Ohkura 2003 Oct. 28.67497 13.30 V Nobuo Ohkura 2003 Oct. 28.67692 13.32 V Nobuo Ohkura 2003 Oct. 28.67889 13.31 V Nobuo Ohkura 2003 Oct. 29.68016 13.08 V Nobuo Ohkura 2003 Oct. 29.68213 13.02 V Nobuo Ohkura 2003 Oct. 29.68410 13.07 V Nobuo Ohkura 2003 Oct. 30.67514 12.67 V Nobuo Ohkura 2003 Oct. 30.67709 12.74 V Nobuo Ohkura 2003 Oct. 30.67906 12.67 V Nobuo Ohkura 2003 Nov. 4.65326 13.24 V Nobuo Ohkura 2003 Nov. 4.65523 13.23 V Nobuo Ohkura 2003 Nov. 4.65720 13.29 V Nobuo Ohkura 2003 Nov. 13.63098 12.74 V Nobuo Ohkura 2003 Nov. 13.63295 12.72 V Nobuo Ohkura 2003 Nov. 13.63492 12.70 V Nobuo Ohkura 2003 Nov. 16.62285 13.21 V Nobuo Ohkura 2003 Nov. 16.62481 13.13 V Nobuo Ohkura 2003 Nov. 16.62678 13.22 V Nobuo Ohkura 2003 Nov. 17.61041 13.25 V Nobuo Ohkura 2003 Nov. 17.61236 13.26 V Nobuo Ohkura 2003 Nov. 17.61433 13.26 V Nobuo Ohkura 2003 Nov. 23.60749 13.30 V Nobuo Ohkura 2003 Nov. 23.60946 13.21 V Nobuo Ohkura 2003 Nov. 23.61142 13.23 V Nobuo Ohkura 2003 Nov. 25.58828 12.83 V Nobuo Ohkura 2003 Nov. 25.59024 12.78 V Nobuo Ohkura 2003 Nov. 25.59221 12.84 V Nobuo Ohkura 2003 Nov. 25.59418 12.80 V Nobuo Ohkura 2003 Dec. 3.57425 12.78 V Nobuo Ohkura 2003 Dec. 3.57622 12.72 V Nobuo Ohkura 2003 Dec. 3.57818 12.71 V Nobuo Ohkura 2003 Dec. 7.56640 13.36 V Nobuo Ohkura 2003 Dec. 7.56837 13.31 V Nobuo Ohkura 2003 Dec. 7.57034 13.23 V Nobuo Ohkura 2004 Sept. 30.76944 12.16 Rc Nobuo Ohkura 2004 Oct. 16.70049 12.37 Rc Nobuo Ohkura 2004 Oct. 16.70442 12.12 Rc Nobuo Ohkura 2004 Oct. 21.66972 12.07 Rc Nobuo Ohkura 2004 Oct. 21.67366 11.90 Rc Nobuo Ohkura 2004 Oct. 21.67758 11.92 Rc Nobuo Ohkura 2004 Oct. 21.68152 11.96 Rc Nobuo Ohkura 2004 Oct. 27.65910 12.10 Rc Nobuo Ohkura 2004 Oct. 27.66303 11.95 Rc Nobuo Ohkura 2004 Oct. 27.66696 12.01 Rc Nobuo Ohkura 2004 Nov. 1.64319 12.78 Rc Nobuo Ohkura 2004 Nov. 1.64714 12.41 Rc Nobuo Ohkura 2004 Nov. 1.65108 12.76 Rc Nobuo Ohkura 2004 Nov. 3.65471 11.99 Rc Nobuo Ohkura 2004 Nov. 3.65866 12.00 Rc Nobuo Ohkura 2004 Nov. 3.66259 11.89 Rc Nobuo Ohkura 2004 Nov. 6.62262 12.45 Rc Nobuo Ohkura 2004 Nov. 6.62655 12.27 Rc Nobuo Ohkura 2004 Nov. 6.63047 12.31 Rc Nobuo Ohkura 2004 Nov. 6.63440 12.19 Rc Nobuo Ohkura 2004 Nov. 7.61931 12.87 Rc Nobuo Ohkura 2004 Nov. 7.62324 12.43 Rc Nobuo Ohkura 2004 Nov. 7.62718 12.50 Rc Nobuo Ohkura 2004 Nov. 7.63111 12.48 Rc Nobuo Ohkura 2004 Nov. 9.62566 12.19 Rc Nobuo Ohkura 2004 Nov. 9.62959 12.07 Rc Nobuo Ohkura 2004 Nov. 9.63352 12.09 Rc Nobuo Ohkura 2004 Nov. 12.61597 12.38 Rc Nobuo Ohkura 2004 Nov. 12.61992 12.50 Rc Nobuo Ohkura 2004 Nov. 12.61997 12.24 Rc Nobuo Ohkura 2004 Nov. 12.62385 12.32 Rc Nobuo Ohkura 2004 Nov. 12.62390 12.27 Rc Nobuo Ohkura 2004 Nov. 12.62784 12.24 Rc Nobuo Ohkura 2004 Nov. 19.59931 12.42 Rc Nobuo Ohkura 2004 Nov. 19.60323 12.62 Rc Nobuo Ohkura 2004 Nov. 19.60716 12.30 Rc Nobuo Ohkura 2004 Nov. 20.59569 12.56 Rc Nobuo Ohkura 2004 Nov. 20.59593 12.40 Rc Nobuo Ohkura 2004 Nov. 20.59963 12.50 Rc Nobuo Ohkura 2004 Nov. 20.59986 12.44 Rc Nobuo Ohkura 2004 Nov. 20.60380 12.77 Rc Nobuo Ohkura 2004 Nov. 21.58139 12.75 Rc Nobuo Ohkura 2004 Nov. 21.58532 12.69 Rc Nobuo Ohkura 2004 Nov. 21.58558 12.70 Rc Nobuo Ohkura 2004 Nov. 21.58927 12.50 Rc Nobuo Ohkura 2004 Nov. 21.58951 12.71 Rc Nobuo Ohkura 2004 Nov. 21.59345 12.70 Rc Nobuo Ohkura 2004 Nov. 22.57935 12.38 Rc Nobuo Ohkura 2004 Nov. 22.58330 12.34 Rc Nobuo Ohkura 2004 Nov. 22.58337 12.23 Rc Nobuo Ohkura 2004 Nov. 22.58723 12.28 Rc Nobuo Ohkura 2004 Nov. 22.58730 12.31 Rc Nobuo Ohkura 2004 Nov. 22.59124 12.22 Rc Nobuo Ohkura 2004 Nov. 23.57242 12.25 Rc Nobuo Ohkura 2004 Nov. 23.57635 11.94 Rc Nobuo Ohkura 2004 Nov. 23.57639 12.14 Rc Nobuo Ohkura 2004 Nov. 23.58030 12.03 Rc Nobuo Ohkura 2004 Nov. 23.58032 12.05 Rc Nobuo Ohkura 2004 Nov. 23.58424 12.02 Rc Nobuo Ohkura 2004 Nov. 23.58424 12.07 Rc Nobuo Ohkura 2004 Nov. 24.58485 12.23 Rc Nobuo Ohkura 2004 Nov. 24.58878 12.21 Rc Nobuo Ohkura 2004 Nov. 24.58898 12.42 Rc Nobuo Ohkura 2004 Nov. 24.59272 12.03 Rc Nobuo Ohkura 2004 Nov. 24.59292 12.24 Rc Nobuo Ohkura 2004 Nov. 24.59667 12.32 Rc Nobuo Ohkura 2004 Nov. 24.59684 12.22 Rc Nobuo Ohkura 2004 Nov. 25.59598 12.25 Rc Nobuo Ohkura 2004 Nov. 25.59992 12.48 Rc Nobuo Ohkura 2004 Nov. 25.60008 12.63 Rc Nobuo Ohkura 2004 Nov. 25.60385 12.21 Rc Nobuo Ohkura 2004 Nov. 25.60402 12.76 Rc Nobuo Ohkura 2004 Nov. 25.60794 12.50 Rc Nobuo Ohkura 2004 Nov. 30.57082 11.98 Rc Nobuo Ohkura 2004 Nov. 30.57476 11.93 Rc Nobuo Ohkura 2004 Nov. 30.57870 11.94 Rc Nobuo Ohkura 2004 Nov. 30.58264 12.02 Rc Nobuo Ohkura 2004 Dec. 14.53473 12.08 Rc Nobuo Ohkura 2004 Dec. 14.53867 11.99 Rc Nobuo Ohkura