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RT Cru monitoring requested for campaign

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weo
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BV and visual monitoring of the symbiotic variable RT Cru are requested beginning now for an upcoming campaign by Dr. Margarita Karovska and colleagues. Please see AAVSO Alert Notice 503 for details.

Many thanks and Good observing,

Elizabeth Waagen, AAVSO HQ
 

Chandra obs scheduled for RT Cru
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weo
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AAVSO Special Notice #409 announces the scheduling of Chandra observations for the symbiotic variable RT Cru. Photometry, visual observations, and spectroscopy are requested. Please see the Special Notice for observing instructions. This campaign was announced in August 2014 in AAVSO Alert Notice 503.

Good observing,

Elizabeth Waagen, AAVSO HQ

Spectroscopy instructions for RT Cru
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Regarding the specifics of obtaining spectra of RT Cru (see AAVSO Special Notice #409), Dr. Maragarita Karovska, who is on travel, says that: "in general, high-resolution spectra around Halpha and [OIII]5007A will be helpful, in addition to the spectrum for the full range (echelle, for example)."

I will find out from her how spectra should be reported and will post the information in the Spectroscopy forum.

Good observing,

Elizabeth

Please continue RT Cru observations
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weo
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AAVSO Special Notice #411 urgently requests the continuation of B, V, and visual observations of the symbiotic variable RT Cru, per Dr. Margarita Karovska. Spectroscopy is also requested. Please see the Notice for details.

Thank you, and good observing,

Elizabeth Waagen, AAVSO HQ

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484