[vsnet-chat 4997] Re: MisV1147 = HBHA 65-63

[Seiichi Yoshida <comet@aerith.net>]

Dear colleagues,

I researched the MisV1147 = HBHA 65-53 on DSS images.

Here is the gallery of 4 MisV1147 images on DSS, 1 on DSS 1 and 3 on
DSS 2.

  http://vsnet.aerith.net/tmp/MisV1147-DSS-gallery-mark.gif

MisV1147 looks at similar brightness on all images, so I am sure it is
not a red variable.

Here is the list of the magnitude measured with the PIXY System 2 from
the DSS images.

Date          Mag      Plate      Reference
--------------------------------------------------------
1953 Oct. 31  12.53R   DSS1 07O0  Tycho-2 Catalogue (Rc)  
1989 Sept. 2  13.18Bj  DSS2 A0AJ  Tycho-2 Catalogue (B)   
1991 Sept. 3  12.00R   DSS2 A1UC  Tycho-2 Catalogue (Rc)  
1993 Aug. 16  11.88I   DSS2 A2BN  Tycho-2 Catalogue (Ic)  

Note on reference magnitude:

  Rc = V - 0.5 * (B-V)

  Ic = B - 2.36 * (B-V)

  Reference:
  Natali F., Natali G., Pompei E., Pedichini F., 1994, A&A 289, 756
  The use of the (B-I) color index and applications of the (B-I) versus (B-V) relationship

Here are all of the MISAO observations and magnitude from the DSS
images of MisV1147 = HBHA 65-53. These are measured automatically by
the PIXY System 2.

1953 Oct. 31	12.53R		DSS 1
1989 Sept. 2	13.18Bj		DSS 2
1991 Sept. 3	12.00R		DSS 2
1993 Aug. 16	11.88I		DSS 2
2000 Aug. 30	12.27C		Nobuo Ohkura
2000 Aug. 31	12.57C		Nobuo Ohkura
2000 Oct. 11	13.50C		Nobuo Ohkura
2000 Oct. 13	13.43C		Nobuo Ohkura
2001 Sept.17	14.19C		Nobuo Ohkura
2001 Oct.  2	12.52C		Nobuo Ohkura
2001 Oct.  3	12.33C		Nobuo Ohkura
2001 Oct. 31	12.24C		Nobuo Ohkura
2001 Nov. 20	12.16C		Nobuo Ohkura
2001 Nov. 21	12.20C		Nobuo Ohkura

Best regards,

--
Seiichi Yoshida
comet@aerith.net
http://vsnet.aerith.net/

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