Lambda Tucanae

The Bayer designation Lambda Tucanae (λ Tuc / λ Tucanae) is shared by two star systems, λ¹ Tucanae and λ² Tucanae, in the constellation Tucana. They are separated by 0.23° on the sky.

λ¹ Tucanae

Starbox short
name=λ¹ Tucanae
epoch=J2000.0
constell=Tucana
ra=00^h 52^m 24.3^s
dec=−69° 30' 16"
spectral=F7IV-V
appmag_v=+6.67
dist_ly=200 ± 19
dist_pc=61 ± 6
names=HR 252, HD 5190 + HD 5208,
CP-70 37 + CP-70 38, HIP 4084,
SAO 248269 + SAO 248271,
GC 1056, CCDM 00524-6930Lambda-1 Tucanae is a binary star approximately 200 light years from Earth. The primary component, Lambda-1 Tucanae A, is a yellow-white F-type subgiant with an apparent magnitude of +6.67. It has an 8th magnitude companion, Lambda-1 Tucanae B, which is 20 arcseconds from the primary.

λ² Tucanae

Starbox short
name=λ² Tucanae
epoch=J2000.0
constell=Tucana
ra=00^h 55^m 00.3^s
dec=−69° 31' 37"
spectral=K2III
appmag_v=+5.45
dist_ly=210 ± 7
dist_pc=64 ± 2
names=HR 270, HD 5457,
CP-70 40, FK5 34,
HIP 4293, SAO 248281,
GC 1102

Lambda-2 Tucanae is an orange K-type giant with an apparent magnitude of +5.45. It is approximately 210 light years from Earth.