Observation by Robin Leadbeater: R CrB Chromospheric Sodium emission du...

Uploaded by

Robin Leadbeater

Observer

Robin Leadbeater

Observed

2023 Jun 14 - 21:57

Uploaded

2023 Jun 15 - 14:56

Objects

R-CrB
Variable star
Spectrum

Equipment

LHIRES III spectrograph 2400l/mm
ATIK 460ex camera
Celestron C11 280mm aperture SCT

Exposure

14x 600s

Location

Wigton Cumbria UK

Target name

R CrB

Title

R CrB Chromospheric Sodium emission during fade

About this image

A High resolution (R~10000) spectrum showing characteristic narrow chromospheric emission lines from Sodium (and other elements) seen during fades of R CrB. Compared here with a spectrum during the normal high brightness state from the ELODIE archive

Files associated with this observation

RCrB_poster_20230613.png (147.5 kB)

Like this image

Mike Harlow, Andy Wilson, Hugh Allen, Dr Paul Leyland

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