Home Page Updated on December 16, 2020
MisV1427
|
| R.A. | 06h56m24s.51 | |
| Decl. | +42o17'31".5 | (2000.0) |
| Mag. | 15.45-16.20V | |
| Type | EA | |
| Period | 0.393231 | |
| Epoch | 2454598.15 |
= USNO-A2.0 1275.06661768 06h56m24s.535 +42o17'31".55 Mag(R):15.2 M ag(B):16.1
Digitized Sky Survey GIF image (15 x 15 arcmin)
Discovery Information
Seiichi Yoshida, MISAO Project; Nobuo Ohkura and Youichirou Nakashima, Okayama, Japan, discovered new variable stars MisV1408 - MisV1427.
They were 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 Youichirou Nakashima. The variation of MisV1427 was confirmed by Ohkura and Nakashima, the others were confirmed by Yoshida, Ohkura and Nakashima.
Special Notes
Stefan Huemmerich, Klaus Bernhard and Sebastian Otero reported the Catalina Sky Survey data revealed it is an Algol-type (EA) eclipsing variable with a period of 0.393231 days, brightness range of 15.45-16.20 mag(V) (light curve, phase diagram).
Stefan Huemmerich and Klaus Bernhard pointed out that the light curve shows a possible chromospheric activity.
Light Curve
Light curve by Catalina Sky Survey (Stefan Huemmerich and Klaus Bernhard)
Light curve by Catalina Sky Survey (Stefan Huemmerich and Klaus Bernhard)
Recent Observations
2012 Feb. 12.848 15.78 V Diego Rodriguez 2012 Feb. 12.846 15.09 R Diego Rodriguez 2012 Feb. 12.843 15.28 CR Diego Rodriguez
Observations by MISAO Project
| Date | Mag | Filter | Observer |
|---|---|---|---|
| 2007 Mar. 14.43247 | 15.9 | C | Youichirou Nakashima |
| 2007 Mar. 17.42285 | 15.8 | C | Youichirou Nakashima |
| 2007 Mar. 18.44894 | 15.4 | C | Nobuo Ohkura and Youichirou Nakashima |
| 2007 Mar. 20.47319 | 15.5 | C | Nobuo Ohkura and Youichirou Nakashima |
| 2007 Mar. 21.42323 | 15.4 | C | Youichirou Nakashima |
| 2007 Mar. 23.42485 | 15.4 | C | Nobuo Ohkura and Youichirou Nakashima |
| 2007 Mar. 30.43446 | 15.4 | C | Youichirou Nakashima |
| 2009 Feb. 14.60830 | 16.1 | V | Tsutomu Fujiwara |
| 2009 Feb. 21.55981 | 15.8 | V | Tsutomu Fujiwara |
| 2009 Mar. 15.51213 | 15.8 | V | Tsutomu Fujiwara |
| 2009 Mar. 15.52552 | 15.3 | Rc | Tsutomu Fujiwara |
| 2009 Mar. 20.52274 | 15.9 | V | Tsutomu Fujiwara |
| 2009 Mar. 28.50506 | 15.7 | V | Tsutomu Fujiwara |
| 2009 Mar. 28.51154 | 15.3 | Rc | Tsutomu Fujiwara |