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* Profile

MisV1137 = V2457 Cyg

R.A.21h32m29s.76
Decl.+49o43'23".3(2000.0)
Mag.13.1-14.4C
TypeSR:
= IRAS 21307+4930  21h32m30s.0 +49o43'26"  Ellipse:10x9"  P.A.:40  Flu
  x(12):0.6108  Flux(25):0.2382  Flux(60):<0.5014  Flux(100):<13.69  V
  ar:12%

Digitized Sky Survey GIF image (15 x 15 arcmin)

SIMBAD Query

AAVSO VSX Database

ASAS-3 Light Curve

* Discovery Information

Seiichi Yoshida, MISAO Project; Nobuo Ohkura, Okayama, Japan; and Ken-ichi Kadota, Ageo, Saitama, Japan, discovered a new variable star MisV1137.

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 comparing with images taken by Ken-ichi Kadota, and confirmed by Ken-ichi Kadota.

The identification is researched by Taichi Kato (Kyoto University), John Greaves (the United Kingdom), and Seiichi Yoshida.

* Light Curve

    13.0  +--------------------------------------------------------+
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          |  *                                           *         |
    14.5  +--------------------------------------------------------+
       2451346                                                  2451854
     1999 June 16                                             2000 Nov. 5

* Observations by MISAO Project

DateMagFilterObserver
1999 July 9.6772814.4CKen-ichi Kadota
1999 July 9.6778614.4CKen-ichi Kadota
2000 Aug. 5.5645114.1CNobuo Ohkura
2000 Aug. 5.5663714.4CNobuo Ohkura
2000 Aug. 10.5425813.9CNobuo Ohkura
2000 Aug. 10.5444314.1CNobuo Ohkura
2000 Sept. 2.5162813.5CNobuo Ohkura
2000 Sept. 2.5181413.4CNobuo Ohkura
2000 Sept. 13.5097813.4CNobuo Ohkura
2000 Sept. 13.5116313.4CNobuo Ohkura
2000 Oct. 13.4618213.2CNobuo Ohkura
2000 Oct. 13.4636713.1CNobuo Ohkura
2000 Oct. 13.4655213.1CNobuo Ohkura

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