Home Page Updated on December 16, 2020
MisV1228
|
| R.A. | 22h12m25s.84 | |
| Decl. | +54o53'21".2 | (2000.0) |
| Mag. | 14.15-14.53C | |
| Type | EA | |
| Period | 6.6490 | |
| Epoch | 2453675.1063 |
= USNO-A2.0 1425.12994156 22h12m25s.863 +54o53'21".74 Mag(R):14.6 M ag(B):14.6
Digitized Sky Survey GIF image (15 x 15 arcmin)
Discovery Information
Seiichi Yoshida, MISAO Project; Nobuo Ohkura, Okayama, Japan; and Ken-ichi Kadota, MISAO Project, discovered a new variable star MisV1228.
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), Seiichi Yoshida, and other contributors.
Special Notes
Kazuhiro Nakajima's observations revealed it is an Algol-type (EA) eclipsing variable with unfiltered CCD variations of 14.15 mag at maximum, 14.53 mag at primary minimum, 14.48 mag at secondary minimum, and period of 6.6490 days (IBVS 5700).
Research and Publication
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Reports on New Discoveries
IBVS 5700
Nakajima, K.; Yoshida, S.; Ohkura, N.; Kadota, K.
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Kazuhiro Nakajima's observations
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Visual and CCD minima of eclipsing binaries during 2005
Variable Star Bulletin No.44
Kazuo Nagai
Light Curve
Reports on New Discoveries
IBVS 5700
Nakajima, K.; Yoshida, S.; Ohkura, N.; Kadota, K.
Observations by MISAO Project
| Date | Mag | Filter | Observer |
|---|---|---|---|
| 2000 Oct. 4.50318 | 13.9 | C | Nobuo Ohkura |
| 2000 Oct. 4.50503 | 14.0 | C | Nobuo Ohkura |
| 2000 Oct. 4.50690 | 14.0 | C | Nobuo Ohkura |
| 2001 Aug. 27.59170 | 14.1 | C | Nobuo Ohkura |
| 2001 Aug. 27.59355 | 14.1 | C | Nobuo Ohkura |
| 2001 Oct. 13.47304 | 14.1 | C | Nobuo Ohkura |
| 2003 Oct. 25.44545 | 14.50 | V | Nobuo Ohkura |
| 2003 Oct. 25.44742 | 14.34 | V | Nobuo Ohkura |
| 2003 Oct. 25.44939 | 14.16 | V | Nobuo Ohkura |
| 2003 Oct. 29.44185 | 14.16 | V | Nobuo Ohkura |
| 2003 Oct. 29.44382 | 14.29 | V | Nobuo Ohkura |
| 2003 Oct. 29.44579 | 14.49 | V | Nobuo Ohkura |
| 2003 Oct. 30.43826 | 15.23 | V | Nobuo Ohkura |
| 2003 Oct. 30.44022 | 15.16 | V | Nobuo Ohkura |
| 2003 Oct. 30.44220 | 15.01 | V | Nobuo Ohkura |
| 2003 Nov. 4.41465 | 14.45 | V | Nobuo Ohkura |
| 2003 Nov. 4.41662 | 14.29 | V | Nobuo Ohkura |
| 2003 Nov. 4.41859 | 14.20 | V | Nobuo Ohkura |
| 2004 Oct. 15.46087 | 14.34 | V | Nobuo Ohkura |
| 2004 Oct. 28.42395 | 14.39 | V | Nobuo Ohkura |
| 2004 Oct. 28.42788 | 14.42 | V | Nobuo Ohkura |
| 2004 Nov. 1.40731 | 14.31 | V | Nobuo Ohkura |
| 2004 Nov. 1.41125 | 14.40 | V | Nobuo Ohkura |
| 2004 Nov. 1.41517 | 14.51 | V | Nobuo Ohkura |