[vsnet-j 770] KV CMa

[Taichi Kato <tkato>]

KV CMa

　まだ周期の判明していない長周期？Hipparcos食連星らしい天体の食が起きている
　らしい、との報告です。日本でも見える位置で、できれば今晩の観測が望まれます
　が、変光範囲が小さいのでPEP/CCD向きかも知れません。

＃MEI/NEKOさんところにぴったりだったりして (^^;

From: "Sebastian Otero" <varsao@fullzero.com.ar>
Date: Wed, 14 Feb 2001 03:09:14 -0300
Subject: [vsnet-ecl 307] KV CMa  first eclipse detected

Last night I detected an eclipse of the Hipparcos EA star KV CMa.
Hipparcos had detected just one so, unlike V438 Pup, more observations 
are needed to find a period.
Yesterday I suspected something was different (the star at 7.2- 7.3 but 
with doubts...) Tonight the star was at 7.3- 7.4.
The eclipse may be long and so the period. That would explain the lack 
of eclipse observations from Hipparcos.
Moreover, the eclipse observed by the satellite seemed to be long, so 
yesterday's observation may be not error after all.

Tomorrow I'll send the data with my report.

Best regards,
Sebastian.

　以下の天体です。

GSC5962.986 065052.48 -205436.7 (2000.0)  6.70 0 N
GSC5962.986 065052.66 -205437.5 (2000.0)  7.19 4
USNO0675.02660280 065052.673 -205437.30 (2000.0) 11.9 11.9 *
2MASS 065052.661 -205437.51 (2000.0)  7.502  7.641  7.636
2MASS 065052.680 -205431.29 (2000.0) 10.403 14.337 10.661
065052.4 -205443 (2000.0) SD-20.1603 7.5
065052.8 -205437 (2000.0) CPD-20.1703 7.2
065051.5 -205435 (2000.0) HD50118 B2III/IV(Michigan)
065051.8 -205435 (2000.0) V=7.173(5) b-y=-0.078(-) m1=0.103(-) c1=0.191(-) beta=2.646(1)
065051.8 -205435 (2000.0) UBV_ 7.16 -0.18 -0.74 - - - B2III/IV N=1 Nm=3 -
065052.5 -205437 (2000.0) SAO172425 99.9 7.1 B3
065052.6 -205437 (2000.0) 716GV1 -0.17 HIP032856 plx=0.39(0.79) (0.01 0.00) U 7.09-7.14
065052.6 -205437 (2000.0) 717 -0.18 TYC5962.986.1 plx=2.0(2.8) (0.01 0.01)
065052.6 -205436 (2000.0) 714 -0.16 TYC2-5962.986.1 (7.13 0.01) (6.93 0.01)
065052.6 -205437 (2000.0) CMAKV E: 7.087 7.140 Hp - - - B2III/IV
065053.5 -205503 (2000.0) HD50118 7.09 6.8 B3