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[vsnet-campaign-nova 172] Re: (fwd) V445 Pup (Eyres)

Re: (fwd) V445 Pup (Eyres)

> A number of symbiotic stars, particularly the so-called symbiotic
> novae (e.g. HM Sge) have spectra early in their outbursts which show
> no hint of a red giants, and often these objects were not even
> identified as symbiotic stars until outburst.  Also, as far as I can
> tell some symbiotic novae (e.g. HM Sge, V1016 Cyg) do not appear in
> the  2MASS Second Incremental Release Point Source Catalog.  The
> H-deficiency is harder to explain in the symbiotic model however.

   They are very bright 2MASS sources.

   HM Sge:

2MASS 194157.072 +164439.48 (2000.0)  0.000  0.000  0.000
2MASS 194157.072 +164439.84 (2000.0)  0.000  0.000  0.000
2MASS 194157.086 +164439.85 (2000.0)  7.619  6.011  4.652

   V1016 Cyg:

2MASS 195705.030 +394936.33 (2000.0)  7.017  5.794  4.721
2MASS 195705.064 +394935.76 (2000.0)  0.000  0.000  0.000

Regards,
Taichi Kato

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