U Hydrae: Difference between revisions
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'''U Hydrae''' ('''U Hya''') is a [[Carbon star|carbon star]] in the [[constellation]] [[Hydra (constellation)|Hydra]]. It is also a [[variable star]], with its brightness ranging from 4.7 to 5.2 over a 450 day period, with some irregularity.<ref name="Monks">{{cite book|last1=Monks|first1=Neale|title=Go-To Telescopes Under Suburban Skies|date=2010|publisher=Springer|isbn=978-1-4419-6851-7|page=65|url=https://books.google.com.au/books?id=waO6tUtfblsC&pg=PA65&lpg=PA65&dq=u+hydrae&source=bl&ots=5Sq9MELKft&sig=kAZfFfU_zfV3_o3FxEzOb_TIRck&hl=en&sa=X&ved=0ahUKEwiDpuWhpefRAhVEjLwKHd6rBOE4ChDoAQgZMAA#v=onepage&q=u%20hydrae&f=false|accessdate=29 January 2017}}</ref> |
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'''U Hydrae''' ('''U Hya''') is a Carbon [[star]] in the [[constellation]] [[Hydra (constellation)|Hydra]]. Its [[apparent magnitude]] is 4.93. |
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==References== |
==References== |
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Revision as of 12:07, 29 January 2017
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Hydra |
| Right ascension | 10h 37m 33.27295s [1] |
| Declination | −13° 23′ 04.3529″ [1] |
| Spectral type | C [1] |
U Hydrae (U Hya) is a carbon star in the constellation Hydra. It is also a variable star, with its brightness ranging from 4.7 to 5.2 over a 450 day period, with some irregularity.[2]
References
- ^ a b c SIMBAD, U Hydrae (accessed 29 September 2012)
- ^ Monks, Neale (2010). Go-To Telescopes Under Suburban Skies. Springer. p. 65. ISBN 978-1-4419-6851-7. Retrieved 29 January 2017.
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