Home Page Updated on December 16, 2020
MisV0218
|
| R.A. | 19h59m13s.54 | |
| Decl. | +11o29'30".9 | (2000.0) |
| Mag. | 12.4-15.7C | |
| Type | M | |
| Period | 380: | |
| Epoch | 2455220: |
= IRAS 19568+1121 R.A.=19 59 12.98 Decl.=+11 29 25.7 (35 x 10", p.a
.=73) flux(12)=0.55 flux(25)=0.33 flux(60)=<0.40 flux(100)=<1.58
0% variable
Digitized Sky Survey GIF image (15 x 15 arcmin)
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
Diego Rodriguez and Adolfo San Segundo's observations between 2009 and 2011, with Ken-ichi Kadota, Nobuo Ohkura and Youichirou Nakashima's observations between 1999 and 2007, suggest that MisV0218 is a Mira type with a period of about 380 days (light curve).
Research and Publication
-
New Variable Stars Discovered in the MISAO Project IV: MisV0201-MisV0250
IBVS 4780
Yoshida, S.; Kadota, K.; Kato, T.
Light Curve
Recent Observations
2013 Sept.23.816 15.14 CR Adolfo San Segundo 2013 Aug. 26.927 15.41 CR Adolfo San Segundo 2012 July 22.960 15.45 CR Adolfo San Segundo 2012 July 20.380 15.45 CR Adolfo San Segundo 2012 June 25.021 15.39 CR Adolfo San Segundo 2011 Nov. 23.785 13.72 CR Diego Rodriguez 2011 Nov. 12.757 13.59 CR Diego Rodriguez 2011 Oct. 28.769 13.70 CR Diego Rodriguez 2011 Sept.30.796 14.94 CV Adolfo San Segundo 2011 July 20.972 16.05 CR Diego Rodriguez 2010 Aug. 15.921 15.84 CR Diego Rodriguez 2010 July 29.921 15.90 CR Diego Rodriguez 2010 July 5.927 16.60 CR Diego Rodriguez 2009 Dec. 15.760 13.47 CR Diego Rodriguez 2009 Nov. 3.785 13.49 CR Diego Rodriguez 2009 Oct. 22.793 14.97 CR Diego Rodriguez 2009 Oct. 10.872 15.15 CR Diego Rodriguez 2009 Sept.22.833 15.18 CR Diego Rodriguez 2009 Sept.20.855 15.67 CR Diego Rodriguez 2009 July 20.951 16.70 CR Diego Rodriguez
Observations by MISAO Project
| Date | Mag | Filter | Observer |
|---|---|---|---|
| 1999 Apr. 30.72807 | 15.6 | C | KenIchi Kadota |
| 1999 Apr. 30.72852 | [14.7 | C | KenIchi Kadota |
| 1999 Apr. 30.72920 | 15.3 | C | KenIchi Kadota |
| 1999 Apr. 30.72966 | 15.7 | C | KenIchi Kadota |
| 1999 July 24.55550 | 12.5 | C | KenIchi Kadota |
| 1999 July 24.55631 | 12.5 | C | KenIchi Kadota |
| 1999 Aug. 21.57476 | 12.4 | C | KenIchi Kadota |
| 1999 Aug. 21.57534 | 12.5 | C | KenIchi Kadota |
| 2000 May 5.72843 | 15.9 | C | Nobuo Ohkura |
| 2001 July 26.60240 | 13.6 | C | Nobuo Ohkura |
| 2001 July 26.60426 | 13.5 | C | Nobuo Ohkura |
| 2007 May 31.75550 | [15.3 | C | Youichirou Nakashima |
| 2007 May 31.75970 | [15.4 | C | Youichirou Nakashima |
| 2007 Aug. 9.67130 | 15.2 | C | Youichirou Nakashima |
| 2007 Aug. 9.67546 | 15.1 | C | Youichirou Nakashima |
| 2007 Aug. 9.67755 | 15.1 | C | Youichirou Nakashima |
| 2007 Aug. 13.61770 | 15.7 | C | Youichirou Nakashima |
| 2007 Aug. 13.62394 | 14.6 | C | Youichirou Nakashima |
| 2007 Aug. 17.67267 | 15.1 | C | Youichirou Nakashima |
| 2007 Aug. 17.67476 | 14.8 | C | Youichirou Nakashima |
| 2007 Aug. 17.68138 | 14.6 | C | Youichirou Nakashima |
| 2007 Aug. 20.61838 | 14.8 | C | Youichirou Nakashima |
| 2007 Aug. 20.62255 | 14.7 | C | Youichirou Nakashima |
| 2007 Aug. 20.62463 | 14.7 | C | Youichirou Nakashima |