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* Profile

MisV0187

R.A.18h58m28s.04
Decl.+11o11'48".8(2000.0)
Mag.13.4-14.2C
TypeSR?
= IRAS 18560+1107  R.A.=18 58 26.85  Decl.=+11 11 41.9  (56 x 8", p.a.
  =79)  flux(12)=0.73  flux(25)=0.34  flux(60)=<0.67  flux(100)=<7.64 
   24% 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.

* Special Notes

John Greaves pointed out the identification with AC2000 383539. AC2000 383539 is bright as 11.8 mag (B), but not recorded in any of Hipparcos Input Catalog, Tycho Catalog, GSC. So MisV0187 may be a cataclysmic variable and was in outburst by chance on the AC2000 plate in 1920.

However, Seiichi Yoshida investigated the DSS 2 R-band image and revealed that there are two stars with the same magnitude with 6-7 arcsec distance in the east-west direction at the position of MisV0187, one is MisV0187 and another is AC2000 383539. So they are not the same. Only AC2000 383539 is found on the DSS 2 Bj-band image, so MisV0187 is probably a red variable.

* Research and Publication

* Light Curve

    13.4  +--------------------------------------------------------+
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          |  *                                                     |
    14.3  +--------------------------------------------------------+
       2451295                                                  2451371
     1999 Apr. 26                                             1999 July 11

* Observations by MISAO Project

DateMagFilterObserver
1999 Apr. 29.7154914.2CKen-ichi Kadota
1999 Apr. 29.7159314.2CKen-ichi Kadota
1999 July 7.6592613.4CKen-ichi Kadota
1999 July 7.6596813.4CKen-ichi Kadota

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