[vsnet-chat 1959] Re: (fwd) Sequence for M88 supernova / magnitude IR ?

[Taichi Kato <tkato>]

> Circular " IAUC 7198 " finishes by
> .  "Observations of SN 1999cl,
> particularly in the infrared, are encouraged."
> 
> Which are, please, the magnitudes IR of the stars Al com1, com2, com3 and
> com4?
> one or two people of the Group " AUDE " has a filter IR Soon, ten
> observers of AUDE will have filters BVRI.

   I presume the infrared observations more refer to longer-wavelength
JHK bands (less affected by extinction), which, with optical observations,
may more sensitive to the extinction law.

Regards,
Taichi Kato

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