[vsnet-ecl 7394] V391 Boo observations by K.Nagai (2/Apr/2020)

K.Nagai pxs10547 at nifty.ne.jp
Thu Apr 9 07:25:05 JST 2020


object           YYMMDD(UT)        mag    code
BOOV391        20200402.57294    11.651B  Nga.VSOLJ
BOOV391        20200402.57612    11.573B  Nga.VSOLJ
BOOV391        20200402.57929    11.520B  Nga.VSOLJ
BOOV391        20200402.58247    11.384B  Nga.VSOLJ
BOOV391        20200402.58565    11.377B  Nga.VSOLJ
BOOV391        20200402.58882    11.358B  Nga.VSOLJ
BOOV391        20200402.59200    11.252B  Nga.VSOLJ
BOOV391        20200402.59517    11.207B  Nga.VSOLJ
BOOV391        20200402.59836    11.240B  Nga.VSOLJ
BOOV391        20200402.60153    11.177B  Nga.VSOLJ
BOOV391        20200402.60470    11.182B  Nga.VSOLJ
BOOV391        20200402.60788    11.139B  Nga.VSOLJ
BOOV391        20200402.61105    11.195B  Nga.VSOLJ
BOOV391        20200402.61422    11.204B  Nga.VSOLJ
BOOV391        20200402.56853    10.836V  Nga.VSOLJ
BOOV391        20200402.57170    10.766V  Nga.VSOLJ
BOOV391        20200402.57488    10.709V  Nga.VSOLJ
BOOV391        20200402.57806    10.646V  Nga.VSOLJ
BOOV391        20200402.58124    10.613V  Nga.VSOLJ
BOOV391        20200402.58441    10.541V  Nga.VSOLJ
BOOV391        20200402.58758    10.499V  Nga.VSOLJ
BOOV391        20200402.59076    10.476V  Nga.VSOLJ
BOOV391        20200402.59394    10.452V  Nga.VSOLJ
BOOV391        20200402.59712    10.417V  Nga.VSOLJ
BOOV391        20200402.60029    10.404V  Nga.VSOLJ
BOOV391        20200402.60347    10.399V  Nga.VSOLJ
BOOV391        20200402.61300    10.378V  Nga.VSOLJ
BOOV391        20200402.56765    9.929Ic  Nga.VSOLJ
BOOV391        20200402.57082    9.912Ic  Nga.VSOLJ
BOOV391        20200402.57400    9.858Ic  Nga.VSOLJ
BOOV391        20200402.57718    9.832Ic  Nga.VSOLJ
BOOV391        20200402.58036    9.752Ic  Nga.VSOLJ
BOOV391        20200402.58353    9.670Ic  Nga.VSOLJ
BOOV391        20200402.58670    9.673Ic  Nga.VSOLJ
BOOV391        20200402.58988    9.623Ic  Nga.VSOLJ
BOOV391        20200402.59306    9.582Ic  Nga.VSOLJ
BOOV391        20200402.59624    9.600Ic  Nga.VSOLJ
BOOV391        20200402.59941    9.554Ic  Nga.VSOLJ
BOOV391        20200402.60258    9.543Ic  Nga.VSOLJ
BOOV391        20200402.60576    9.529Ic  Nga.VSOLJ
BOOV391        20200402.61212    9.508Ic  Nga.VSOLJ
BOOV391        20200402.61529    9.516Ic  Nga.VSOLJ
---------------------------------------------------------------------
observer: K.Nagai (Kanagawa,Japan)
Instruments: 15L(F2) ST-402(KAF-402ME) , 0deg 2x2bin , B 120sec V 90sec I 60sec
comp. star TYC2-902.1116.1 9.60B 8.42V 7.24I
check star TYC2-902.1159.1
AIP4Win v.2.4.0, Aperture 5radius
error 0.076(B) 0.014(V) 0.135(I)
------------------------------------------------------------

It is an EW-type eclipsing binary.
I observed the same phase that in March.

              - 02/Apr/2020 V391 Boo (By K.Nagai) -
09 +                                                         
   |                                                         
   +                                *  **  * * *   * *       
   |                     *  * * * *                          
10 +                 * *                                     
   |                                                         
   +                          * *  * * * * *  *     *        
   |                  * * * *                                
11 +                                                         
   |                               *  * * * * * * *  *       
   +                       * * * *                           
   |                     *                                   
12 +                                                         
    +---------------------------+---------------------------+
   13                          14                          15 (UT)

Kazuo Nagai / PXS10547 at nifty.ne.jp ( http://eclipsingbinary.web.fc2.com/ )


More information about the vsnet-ecl mailing list