47 Aquarii
47 Aquarii, abbreviated 47 Aqr, is a star in the zodiac constellation of Aquarius. "47 Aquarii" is its Flamsteed designation. It is a faint star but visible to the naked eye in good seeing conditions, having an apparent visual magnitude of 5.135. Based upon an annual parallax shift of , it is located 181 light years away. At that distance, the visual magnitude of the star is diminished by an extinction of 0.088 due to interstellar dust. It is moving further from the Earth with a heliocentric radial velocity of +48 km/s.

This is an evolved giant star currently on the red giant branch with a stellar classification of K0 III. The star has 1.35 times the mass of the Sun and has expanded to 7.86 times the Sun's radius. It is radiating 30 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,750 K.
Q523
star
Concept
Q40540
zodiac
Concept
Q8928
constellation
Concept
Q10576
Aquarius
CEL
Q111116
Flamsteed designation
Concept
Q124313
apparent visual magnitude
Concept
Q906561
parallax shift
Concept
Q531
light year
Concept
Q943247
extinction
Concept
Q193384
interstellar dust
Concept
Q240105
radial velocity
Concept
Q6472
evolved
Concept
Q5875
giant star
Concept
Q3929897
red giant branch
Concept
Q25377588
stellar classification
Concept
Q180892
mass of the Sun
Concept
Q48440
Sun's radius
Concept
Q843877
Sun's luminosity
Concept
Q6372
photosphere
Concept
Q854050
effective temperature
Concept
Q1747901
47 Aquarii
CEL
Q1747901
47 Aquarii
CEL
+47^^http://www.w3.org/2001/XMLSchema#decimal
47
NUMBER
+47^^http://www.w3.org/2001/XMLSchema#decimal
47
NUMBER
+47^^http://www.w3.org/2001/XMLSchema#decimal
47
NUMBER
+5.135^^http://www.w3.org/2001/XMLSchema#decimal
5.135
NUMBER
+0.088^^http://www.w3.org/2001/XMLSchema#decimal
0.088
NUMBER
++48^^http://www.w3.org/2001/XMLSchema#decimal
+48
NUMBER
0^^http://www.w3.org/2001/XMLSchema#decimal
0
NUMBER
+1.35^^http://www.w3.org/2001/XMLSchema#decimal
1.35
NUMBER
+7.86^^http://www.w3.org/2001/XMLSchema#decimal
7.86
NUMBER
+30^^http://www.w3.org/2001/XMLSchema#decimal
30
NUMBER
instance of
constellation
mass
radius
instance of