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RY Tau

Special Notice #306: Telluric standards for T Tau stars campaign spectroscopists

7 November 2012: Further to AAVSO Alert Notice 473 ( alert-notice/473), Principal Investigator Darryl Sergison (University of Exeter) requests that spectroscopists planning to observe the targets RY Tau, DN Tau, and/or DR Tau image the corresponding telluric standards below at the same time:

Telluric standard for RY Tau
HD 283567     B9     Vmag = 10.38   RA 04 20 33.072  Dec +28 39 08.55

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