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EntityQ284836· pop 19· linked from 240 articles

91 Aquarii

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Also known as Psi1 Aquarii, HD 219449

star in the constellation Aquarius

Wikidata facts

Constellation
Aquarius
Child body
91 Aquarii b
Distance from Earth
44.0304
Diameter
15200000
Radius
11
Mass
1.4
Orbital period
181.4
Image
Planet at Psi1 Aquarii.png
Show 22 more facts
catalog code
UBV M 26915
spectral class
K0IIICOMP
stellar rotational velocity
1.49
apparent magnitude
3.924721
radial velocity
-26.008
metallicity
-0.08
effective temperature
4665
absolute magnitude
0.959
parallax
22.0924
epoch
J2000.0
luminosity
49.247925
surface gravity
251.2
right ascension component of proper motion
369.477
declination component of proper motion
-11
right ascension
348.97289187323753
declination
-9.08773471223694
age estimated by a dating method
3.56
argument of periapsis
177.3
time of periapsis
2453472.1
M sin i
3.2
orbital eccentricity
0.027
semi-major axis of an orbit
0.7
Sources (2)

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