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* Profile

MisV0909 = V2520 Oph

R.A.17h02m58s.92
Decl.-28o57'15".6(2000.0)
Mag.11.2-12.1C
TypeSR:
= USNO-A2.0_0600.23332867  17 02 58.919  -28 57 15.56  12.6R  16.8B

Digitized Sky Survey GIF image (15 x 15 arcmin)

SIMBAD Query

AAVSO VSX Database

ASAS-3 Light Curve

* Discovery Information

Seiichi Yoshida, MISAO Project; and Ken-ichi Kadota, Ageo, Saitama, Japan, discovered a new variable star MisV0909.

It was detected by the PIXY system as one of the candidates of new variable stars from images taken by Kadota, then confirmed by Yoshida.

MisV0910 is 19 arcsec to the west of MisV0909. The brightness of these two stars reversed between 1999 April and 2000 February.

* Special Notes

A pair of double variable stars with 19 arcsec distance.

* Light Curve

    11.1  +--------------------------------------------------------+
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    12.2  +--------------------------------------------------------+
       2451267                                                  2451615
     1999 Mar. 29                                             2000 Mar. 11

* Observations by MISAO Project

DateMagFilterObserver
1999 Apr. 14.7245911.2CKen-ichi Kadota
1999 Apr. 14.7252111.2CKen-ichi Kadota
1999 Aug. 1.4986211.5CKen-ichi Kadota
1999 Aug. 1.4990511.5CKen-ichi Kadota
2000 Feb. 24.8119012.1CKen-ichi Kadota
2000 Feb. 24.8124712.1CKen-ichi Kadota

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