Eta Cancri

Eta Cancri
Observation data; Epoch J2000 Equinox J2000
Constellation	Cancer
Right ascension	08h 32m 42.49600s
Declination	20° 26′ 28.1865″
Apparent magnitude (V)	5.34
Characteristics
Spectral type	K3III
B−V color index	+1.26
Astrometry
Radial velocity (Rv)	+22.46 km/s
Proper motion (μ)	RA: -46.33 mas/yr; Dec.: -44.31 mas/yr
Parallax (π)	10.93 ± 0.40 mas
Distance	300 ± 10 ly; (91 ± 3 pc)
Absolute magnitude (MV)	0.54
Other designations
	33 Cancri, HR 3366, HD 72292, BD+20°2109, FK5 321, HIP 41909, SAO 80243, GC 11687
Database references
SIMBAD	data

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Eta Cancri (η Cnc, η Cancri) is a class K3III^[2] (orange giant) star in the constellation Cancer. Its apparent magnitude is 5.34^[2] and it is approximately 298 light years away based on parallax.^[1]

References

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 Lua error in package.lua at line 80: module 'strict' not found. Vizier catalog entry
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 ^2.5 Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ Absolute magnitude calculated as $M = m + 5 (1 + \log_{10}{p})\!\,$ , where $M$ is the star's absolute magnitude, $m$ is the star's apparent magnitude, and $p$ is the star's measured parallax in arcseconds.

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[vanLeeuwen2007-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 Lua error in package.lua at line 80: module 'strict' not found. Vizier catalog entry

[SIMBAD-2] 2.0 ^2.1 ^2.2 ^2.3 ^2.4 ^2.5 Lua error in package.lua at line 80: module 'strict' not found.

[Famaey2005-3] Lua error in package.lua at line 80: module 'strict' not found.

[4] Absolute magnitude calculated as $M = m + 5 (1 + \log_{10}{p})\!\,$ , where $M$ is the star's absolute magnitude, $m$ is the star's apparent magnitude, and $p$ is the star's measured parallax in arcseconds.

[1]

[2]

[3]

[4]

Observation data Epoch J2000 Equinox J2000
Constellation	Cancer
Right ascension	08^h 32^m 42.49600^s ^[1]
Declination	20° 26′ 28.1865″ ^[1]
Apparent magnitude (V)	5.34 ^[2]
Characteristics
Spectral type	K3III ^[2]
B−V color index	+1.26 ^[2]
Astrometry

Radial velocity (R_v)	+22.46^[3] km/s
Proper motion (μ)	RA: -46.33^[1] mas/yr Dec.: -44.31^[1] mas/yr
Parallax (π)	10.93 ± 0.40^[1] mas
Distance	300 ± 10 ly (91 ± 3 pc)
Absolute magnitude (M_V)	0.54 ^[4]

Other designations
33 Cancri, HR 3366, HD 72292, BD+20°2109, FK5 321, HIP 41909, SAO 80243, GC 11687 ^[2]
Database references
SIMBAD	data

Eta Cancri

References

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