[vsnet-chat 5405] Re: CGCS 2792

[Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>]

Re: [vsnet-chat 5402] CGCS 2792

> In the April issue of Communique by the Southern CCD and Photometry Group,
> there was a note on this carbon star.
> Observations by Colin Henshaw and Albert Jones suggest this is a variable
> star. Although the reported magnitudes (9.1-10.0) are far from the V
> maeasures (V= 8.36, B-V= 4.04 from the GCPD and 8.35 from Tycho-2) and
> remind me of the UY Centauri case, it is very important to keep track of
> this carbon star since the probbilities of this being variable are high.
> My first observation a couple of weeks ago gives 8.1 suggesting the star is
> brighter than the catalogued 8.36 value.

   Identifications of CGCS 2792:

GSC8961.1219 103417.94 -624239.5 (2000.0)  7.56 6 N
GSC8961.1219 103418.01 -624239.6 (2000.0)  8.17 6
USNO0225.08847278 103417.982 -624239.59 (2000.0)  7.9 99.9
IRAS10325-6227 103231.6 -622706 (1950.0)
    F12=63.08  F25=19.05  F60=4.78  F100=20.89L
    VAR= 0 LRS=45
    blue, 11micron (SiC) emission, strength=5
    VII: variable star with more evolved C-rich circumstellar shell
103417.6 -624243 (2000.0) CD-62.466 8.5
103417.7 -624236 (2000.0) CGCS_J1034-6242 (CGCS2792) 12.8 8.2 4.0 N(Thack49) 
103417.7 -624237 (2000.0) CS2792 12.8 8.2 4.0 CD-62.466
103417.7 -624237 (2000.0) IRAS10325-6227 62.450 19.430 4.916 21.340L 0% 6(LRS)
103417.7 -624237 (2000.0) SSC10325-6227 62.450 19.430 4.916 21.340L
103417.9 -624238 (2000.0) SAO251015 99.9 8.6 F0
103418.0 -624239 (2000.0) MSX5C_G287.9294-03.9043 -28 141 71 57 29 19 V(%):-:1:2:1:0:3
103417.8 -624239 (2000.0) 830EVv TYC8961.1219.1 plx=4.3(12.8)
103417.8 -624239 (2000.0) 835 4.51 TYC2-8961.1219.1 (8.83 0.01) (14.13 0.49)

103417.9 -624200 (2000.0) G0(V)(Buscombe) V=8.6 - -
103417.9 -624200 (2000.0) S(Buscombe) - - -

   It may be interesting to note that Buscombe gave discrepant spectroscopic
classifications (S and G0V) to the apparently same star.

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