Home Page Updated on December 16, 2020
MisV1220
|
| R.A. | 23h18m59s.22 | |
| Decl. | +48o31'30".8 | (2000.0) |
| Mag. | 13.80-15.14C | |
| Type | EB | |
| Period | 0.9784 | |
| Epoch | 2452958.0826 |
= 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 ag(B):14.4
Digitized Sky Survey GIF image (15 x 15 arcmin)
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
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Reports on New Discoveries
IBVS 5600
Nakajima, K.; Yoshida, S.; Ohkura, N.; Kadota, K.
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Kazuhiro Nakajima's observations
Light Curve
Reports on New Discoveries
IBVS 5600
Nakajima, K.; Yoshida, S.; Ohkura, N.; Kadota, K.
Observations by MISAO Project
| Date | Mag | Filter | Observer |
|---|---|---|---|
| 2000 Oct. 11.53065 | 13.81 | C | Nobuo Ohkura |
| 2000 Oct. 11.53250 | 13.85 | C | Nobuo Ohkura |
| 2001 Aug. 23.63904 | 13.56 | C | Nobuo Ohkura |
| 2001 Aug. 23.64089 | 13.56 | C | Nobuo Ohkura |
| 2001 Aug. 23.64274 | 13.45 | C | Nobuo Ohkura |
| 2001 Aug. 24.62884 | 13.58 | C | Nobuo Ohkura |
| 2001 Oct. 5.56395 | 14.54 | C | Nobuo Ohkura |
| 2001 Oct. 5.56493 | 14.30 | C | Nobuo Ohkura |
| 2001 Oct. 5.56638 | 14.89 | C | Nobuo Ohkura |
| 2001 Oct. 23.49630 | 13.37 | C | Nobuo Ohkura |
| 2001 Oct. 23.49826 | 13.33 | C | Nobuo Ohkura |
| 2001 Oct. 23.50023 | 13.26 | C | Nobuo Ohkura |
| 2001 Oct. 23.50220 | 13.44 | C | Nobuo Ohkura |
| 2001 Oct. 24.49166 | 13.55 | C | Nobuo Ohkura |
| 2001 Oct. 24.49362 | 13.26 | C | Nobuo Ohkura |
| 2001 Oct. 24.49559 | 13.41 | C | Nobuo Ohkura |
| 2001 Oct. 24.49757 | 13.50 | C | Nobuo Ohkura |