MISAO Project

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    MisV0173    

* Profile

MisV0173 = V2221 Cyg

R.A.19h57m43s.76
Decl.+30o46'20".5(2000.0)
Mag.12.4-13.7C
TypeSR:
= USNO-A1.0_1200.14177493  19 57 43.758  +30 46 20.48  14.8R  17.4B
= IRAS 19557+3038  R.A.=19 57 43.98  Decl.=+30 46 22.7  (28 x 5", p.a.
  =73)  flux(12)=1.68  flux(25)=1.06  flux(60)=<2.29  flux(100)=<33.69
    98% variable

Digitized Sky Survey GIF image (15 x 15 arcmin)

SIMBAD Query

AAVSO VSX Database

ASAS-3 Light Curve

* Discovery Information

It was detected by the PIXY system as one of the candidates of new variable stars from images taken by Ken-ichi Kadota, Ageo City, Saitama, Japan, then confirmed by Seiichi Yoshida.

V2000 Cyg is 4.3 arcmin from this object, but this is another variable star.

* Research and Publication

* Light Curve

    12.3  +--------------------------------------------------------+
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    13.8  +--------------------------------------------------------+
       2451295                                                  2451397
     1999 Apr. 26                                             1999 Aug. 6

* Observations by MISAO Project

DateMagFilterObserver
1999 Apr. 30.6988312.4CKen-ichi Kadota
1999 Apr. 30.6992712.4CKen-ichi Kadota
1999 July 7.6853913.1CKen-ichi Kadota
1999 July 7.6858213.3CKen-ichi Kadota
1999 Aug. 1.6036013.7CKen-ichi Kadota
1999 Aug. 1.6040313.6CKen-ichi Kadota

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