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Saiph

Kappa Orionis, 53 Orionis

Proper NameSaiph
Bayer DesignationKappa Orionis
Flamsteed Number53 Orionis
HR (BSC)2004
HD38771
ConstellationOrion
Right Ascension5h 47m 45s
Declination-9° 40' 11"
Distance647 light years
198 parsecs
MagnitudeApparent: +2.1
Absolute: -4.7
Spectral ClassB0 Blue Supergiant
Optimum VisibilityDecember / January

Forming the easternmost 'foot' of Orion in the night sky, Saiph is an immense and hot blue star of the supergiant type. Like many of the stars of Orion, it is distant from the Solar System, lying more than 600 light years from Earth.

HR Diagram
Liesma
Mekbuda
w Carinae
Miram
Rukbat
Polis
Poerava
Struve 2398 A
Struve 2398 B
s Velorum A
Rastaban
Rana
Sharjah
θ Hydrae
Nashira
ο1 Cygni
b Velorum
Cerberus
Copernicus
β Reticuli
41 Draconis
Alkaphrah
a Velorum
Adhafera
Acubens
Felixvarela
HR 5546
HD 37131
GQ Andromedae
Guniibuu
GX Andromedae
Ebla
Dombay
La Superba
Koeia
Erakis
ι1 Scorpii
La Superba
Lalande 18115
Meissa
Wolf 498
Mira
Zaniah
KX Librae
Mebsuta
Yed Prior
van Maanen's Star
61 Cygni B
V626 Arae
Wezen
ζ Trianguli Australis
UV Ceti
Achird
15 Orionis
61 Cygni A
Kitalpha
Menkar
W Virginis
HR 7687
Wolf 359
δ Caeli
Mirfak
Rigel
ο Capricorni B
Schedar
β Doradus
η Carinae
Sargas
Saiph
Sadr
ε Reticuli
Enif
Betelgeuse
EE Leonis
Ross 154
α Centauri A
BZ Crucis
Azmidi
Canopus
Capella
Caph
Castor B
Deneb Algedi
Deneb
χ Cygni
Ran
π5 Orionis
δ Pavonis
Polaris
δ Circini
Dabih Major
Proxima Centauri
Sham
Avior
Unurgunite
WX Ursae Majoris
U Sagittarii
Tureis
Alchiba
HO Librae
HH Andromedae
Alfirk
Alherem
Hatysa
Almaaz
Naos
Alnilam
Alnitak
Teegarden's Star
Gliese 536
δ Andromedae
Atria
ν2 Canis Majoris
τ Ceti
α Telescopii
Tarazed
Sulafat
Suhail
Antares
FI Virginis
Arneb
Sirius B
Sirius
Aspidiske
σ Orionis
ρ Cygni
Saiph

Hertzprung-Russell diagram plotting the temperature and luminosity of Saiph (marked by the red circle) relative to other stars.

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