Return to Home Page
Dear colleagues,
Y Cyg observations by Mr.Nakajima (Sep. 26)
object YYMMDD(UT) mag code
CYGY 20030926.39821 7.40V Njh
CYGY 20030926.39959 7.45V Njh
CYGY 20030926.40098 7.43V Njh
CYGY 20030926.40237 7.45V Njh
CYGY 20030926.40376 7.43V Njh
CYGY 20030926.40515 7.41V Njh
CYGY 20030926.40654 7.43V Njh
CYGY 20030926.40793 7.45V Njh
CYGY 20030926.40932 7.43V Njh
CYGY 20030926.41071 7.44V Njh
CYGY 20030926.41209 7.42V Njh
CYGY 20030926.41348 7.41V Njh
CYGY 20030926.41487 7.43V Njh
CYGY 20030926.41626 7.44V Njh
CYGY 20030926.41765 7.43V Njh
CYGY 20030926.41904 7.42V Njh
CYGY 20030926.42043 7.42V Njh
CYGY 20030926.42182 7.44V Njh
CYGY 20030926.42321 7.43V Njh
CYGY 20030926.42459 7.43V Njh
CYGY 20030926.42598 7.44V Njh
CYGY 20030926.42737 7.43V Njh
CYGY 20030926.42876 7.44V Njh
CYGY 20030926.43015 7.44V Njh
CYGY 20030926.43154 7.44V Njh
CYGY 20030926.43293 7.43V Njh
CYGY 20030926.43432 7.44V Njh
CYGY 20030926.43571 7.42V Njh
CYGY 20030926.43709 7.43V Njh
CYGY 20030926.43848 7.44V Njh
CYGY 20030926.43987 7.42V Njh
CYGY 20030926.44126 7.45V Njh
CYGY 20030926.44265 7.42V Njh
CYGY 20030926.44404 7.47V Njh
CYGY 20030926.44543 7.44V Njh
CYGY 20030926.44682 7.44V Njh
CYGY 20030926.44821 7.43V Njh
CYGY 20030926.44959 7.43V Njh
CYGY 20030926.45098 7.42V Njh
CYGY 20030926.45237 7.44V Njh
CYGY 20030926.60133 7.64V Njh
CYGY 20030926.60272 7.66V Njh
CYGY 20030926.60411 7.67V Njh
CYGY 20030926.60550 7.68V Njh
CYGY 20030926.60689 7.65V Njh
CYGY 20030926.60828 7.67V Njh
CYGY 20030926.60966 7.65V Njh
CYGY 20030926.61105 7.66V Njh
CYGY 20030926.61244 7.65V Njh
CYGY 20030926.61383 7.66V Njh
CYGY 20030926.61522 7.64V Njh
CYGY 20030926.61661 7.66V Njh
CYGY 20030926.61800 7.72V Njh
CYGY 20030926.61939 7.69V Njh
CYGY 20030926.62078 7.70V Njh
CYGY 20030926.62216 7.70V Njh
CYGY 20030926.62355 7.68V Njh
CYGY 20030926.62494 7.70V Njh
CYGY 20030926.62633 7.73V Njh
CYGY 20030926.62772 7.76V Njh
CYGY 20030926.62911 7.73V Njh
CYGY 20030926.63050 7.71V Njh
CYGY 20030926.63189 7.74V Njh
CYGY 20030926.63328 7.73V Njh
CYGY 20030926.63466 7.74V Njh
CYGY 20030926.63605 7.70V Njh
CYGY 20030926.63744 7.73V Njh
CYGY 20030926.63883 7.72V Njh
CYGY 20030926.64022 7.73V Njh
CYGY 20030926.64161 7.75V Njh
CYGY 20030926.64300 7.72V Njh
CYGY 20030926.64439 7.75V Njh
CYGY 20030926.64578 7.73V Njh
CYGY 20030926.64716 7.74V Njh
CYGY 20030926.64855 7.76V Njh
CYGY 20030926.64994 7.75V Njh
CYGY 20030926.65133 7.78V Njh
CYGY 20030926.65272 7.79V Njh
CYGY 20030926.65411 7.81V Njh
CYGY 20030926.65550 7.78V Njh
CYGY 20030926.65689 7.79V Njh
CYGY 20030926.65828 7.82V Njh
CYGY 20030926.66105 7.85V Njh
CYGY 20030926.66244 7.85V Njh
CYGY 20030926.66522 7.84V Njh
CYGY 20030926.66661 7.87V Njh
CYGY 20030926.67078 7.86V Njh
CYGY 20030926.67216 7.87V Njh
CYGY 20030926.67633 7.86V Njh
CYGY 20030926.67772 7.88V Njh
observer : Kazuhiro Nakajima (Kumano, Mie, Japan)
instruments: 25SC + CV-04(CCD) + V filter
the check star is SAO70626.
SAO70626 = BD+34.4196 = HD199007 = HIP103073 = TYC2696.1914.1
- 26/Sep/2003 Y Cyg (By Mr. Nakajima) -
07 +
|
|
|
|
| **********
+ *
|
| ***** *
| *******
| *****
| *
08 +
+------+------+------+------+------+------+------+------+
18 19 20 21 22 23 24 25 26 (UT+0900)
At 09:10 2003/09/22 +0200, you wrote:
> Dear colleagues,
>
> I have measured Y Cyg with CCD ST8 (filter R) attached to RF80 on Jul 7,
> 2003 (52828,38-0,58). The ascending branch is measured (421 points). Light
> changes are approx. between 1.8-1.2 mag (V-C) to the check star SAO 70575.
>
> With best regards Miloslav Zejda
>
> ********************************************************
> Miloslav Zejda
> Nicholas Copernicus Observatory and Planetarium in Brno
> Kravi hora 2, 616 00 Brno, Czech Republic
> -------------------------------------------------------------------------
> phone:420+5 4132 1287
> fax: 420+5 412 333 89
> privat phone: 420+5 46 22 10 72
> mobil phone: 420+721 377 398
> zejda@hvezdarna.cz
>
>
>
> ----- Original Message -----
> From: "Taichi Kato" <tkato@kusastro.kyoto-u.ac.jp>
> To: <vsnet-campaign-ecl@ooruri.kusastro.kyoto-u.ac.jp>;
> <vsnet-ecl@ooruri.kusastro.kyoto-u.ac.jp>
> Sent: Sunday, September 21, 2003 2:38 AM
> Subject: [vsnet-ecl 1069] (fwd) Y Cyg Brighter?
>
>
> > From: DWest61506@aol.com
> > Date: Sat, 20 Sep 2003 10:03:25 EDT
> > Subject: [vsnet-chat 6869] Y Cyg Brighter?
> >
> > >From a quick review of past observations in the AAVSO database and some
> > literature sources, Y Cyg usually varies between V=7.3 and 7.9. Y Cyg is
> an Algol
> > type eclipsing binary. On Sep 17.104 visually I observed Y Cyg at 6.6
> using
> > AAVSO chart 2039+35aa. On Sep 18.08 I measured Y Cyg at V=6.8 +/- 0.15
> > photographically using the same AAVSO chart. As a check star I measured
> SAO 70575
> > which is very close to Y Cyg at V=6.6. SIMBAD gives V=6.65 for SAO 70575.
> > Based on this check star and others I see no reason to doubt my
> photographic
> > photometry. I digitize the images and use MIRA to perform differential
> photometry.
> > Someone please confirm if Y Cyg is brighter than normal.
> >
> > Thanks,
> > Doug West
> > http://hometown.aol.com/dwest61506/index.html
>
Return to the Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
