MISAO Project

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* Profile

MisV1220 = V452 And

= GSC 3640-00577  23h18m59s.22 +48o31'30".3  Error:0.2"  Mag:13.62  Ma
  gError:0.18  Band:1  Class:0  Plate:036O  Flag:F  Epoch:04 SEP 1983
= USNO-A2.0 1350.18116859  23h18m59s.201 +48o31'30".20  Mag(R):13.9  M

Digitized Sky Survey GIF image (15 x 15 arcmin)


AAVSO VSX Database

ASAS-3 Light Curve

NSVS Light Curve (NSVS 6205431)
NSVS Light Curve (NSVS 3555211)

* Discovery Information

Seiichi Yoshida, MISAO Project; Nobuo Ohkura, Okayama, Japan; and Ken-ichi Kadota, MISAO Project, discovered a new variable star MisV1220.

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), John Greaves, and Seiichi Yoshida.

* Special Notes

Kazuhiro Nakajima's observations revealed it is a beta Lyr-type (EB) eclipsing variable with unfiltered CCD variations of 13.80 mag at maximum, 15.14 mag at primary minimum, 14.04 mag at secondary minimum, and period of 0.9784 days (IBVS 5600).

* Research and Publication

* Light Curve

Reports on New Discoveries
IBVS 5600
Nakajima, K.; Yoshida, S.; Ohkura, N.; Kadota, K.

* Observations by MISAO Project

2000 Oct. 11.5306513.81CNobuo Ohkura
2000 Oct. 11.5325013.85CNobuo Ohkura
2001 Aug. 23.6390413.56CNobuo Ohkura
2001 Aug. 23.6408913.56CNobuo Ohkura
2001 Aug. 23.6427413.45CNobuo Ohkura
2001 Aug. 24.6288413.58CNobuo Ohkura
2001 Oct. 5.5639514.54CNobuo Ohkura
2001 Oct. 5.5649314.30CNobuo Ohkura
2001 Oct. 5.5663814.89CNobuo Ohkura
2001 Oct. 23.4963013.37CNobuo Ohkura
2001 Oct. 23.4982613.33CNobuo Ohkura
2001 Oct. 23.5002313.26CNobuo Ohkura
2001 Oct. 23.5022013.44CNobuo Ohkura
2001 Oct. 24.4916613.55CNobuo Ohkura
2001 Oct. 24.4936213.26CNobuo Ohkura
2001 Oct. 24.4955913.41CNobuo Ohkura
2001 Oct. 24.4975713.50CNobuo Ohkura

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