T Scorpii

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T Scorpii

Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Scorpius
Right ascension 16h 17m 02.82s[1]
Declination −22° 58′ 33.9″
Apparent magnitude (V) 6.8-<12.0[1]
Variable type NA (Fast nova)[1]
Other designations
AAVSO 1611-22C[1]

T Scorpii, or Nova 1860 AD was a nova in the globular cluster Messier 80. It was discovered on 21 April 1860 by Arthur von Auwers at Koenigsberg Observatory.[2] It was at magnitude 7.5 at discovery, reaching a maximum of magnitude 6.8, outshining the whole cluster.[3]


  1. ^ a b c d "VSX: Detail for T Sco". The International Variable Star Index. AAVSO. Archived from the original on 16 May 2015. Retrieved 16 May 2015. 
  2. ^ Steinicke, Wolfgang: Observing and Cataloguing Nebulae and Star Clusters, Cambridge University Press, 2010 ISBN 978-0-521-19267-5 page 148
  3. ^ Stoyan, Ronald et al, Atlas of the Messier Objects, Cambridge University Press, 2008 ISBN 978-0-521-89554-5 page 275