Nu² Lupi

Nu² Lupi: Nu² Lupi
Observation data
Epoch J2000 Equinox J2000

Constellation Lupus

Right ascension 15^h 21^m 48.1499^s

Declination -48° 19′ 03.460″

Apparent magnitude (V) 5.65

Characteristics

Spectral type G4V

Astrometry

Distance 47.5 ly
(14.56 pc)

Absolute magnitude (M_V) 4.83^[1]

Details

Age (3.6–5.2) × 10⁹^[1] years

Other designations

GJ 582, HD 136352, HIP 75181, HR 5699.

Nu² Lupi is a G-type main sequence star approximately 47 light-years away in the constellation Lupus (the Wolf).

Contents

1 Planetary system

2 See also

3 References

4 External links

Planetary system

In september 12 2011, 3 new Planets has been found in this system.^[2]

The Nu² Lupi system^[3]
Companion
(in order from star) Mass Semimajor axis
(AU) Orbital period
(days) Eccentricity

b 5.27 ± 0.79 M_⊕ 0.0933 ± 0.0015 11.577 ± 0.0056 0.18 ± 0.14

c 11.37 ± 0.98 M_⊕ 0.1665 ± 0.0028 27.582 ± 0.0225 0.16 ± 0.07

d 9.53 ± 3.49 M_⊕ 0.411 ± 0.0073 106.72 ± 1.0284 0.43 ± 0.24

See also

Mu Arae

References

^ ^a ^b Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical Journal 687 (2): 1264–1293. Bibcode 2008ApJ...687.1264M. doi:10.1086/591785.

^ Mayor, M.; et al. (2011). The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets. arXiv:1109.2497. Bibcode 2011arXiv1109.2497M.

^ [1]

External links

"Nu2 Lupi". SolStation. http://www.solstation.com/stars2/nu2-lupi.htm. Retrieved 16 July 2009.

v · ← «Bright» star systems within 40–50 light-years →

Star systems within 40–50 light-years from Earth with brightest member's absolute magnitude of +8.5 or brighter.

Giant
star

A III

Alpha Ophiuchi «Rasalhague» (46.7 ± 0.6 ly; 1 star)

G III

Capella (42.2 ± 0.5 ly; 4 stars)

A
(White)

IV

Alpha Cephei «Alderamin» (48.8 ± 0.4 ly; 1 star)

V

Iota Ursae Majoris «Talitha Borealis» (47.7 ± 0.6 ly; 4 stars)

F
(Yellow-
white)

IV

Beta Trianguli Australis (40.2 ± 0.3 ly; 2 stars)‡ • Theta Ursae Majoris «Alhaud» (44.0 ± 0.4 ly; 3 stars) • Delta Aquilae «Denebokab» (50.1 ± 0.6 ly; 3 stars)‡

V

36 Ursae Majoris (41.9 ± 0.4 ly; 2 stars) • Upsilon Andromedae (43.9 ± 0.4 ly; 2 stars, 4 planets: planet b • planet c • planet d • planet e) • 10 Tauri (44.8 ± 0.5 ly; 2 stars) • Iota Piscium (45.0 ± 0.5 ly; 1 star) • Alpha Fornacis «Dalim» (46.0 ± 0.4 ly; 2 stars) • Theta Boötis «Asellus Primus» (47.5 ± 0.4 ly; 2 stars) • Psi Capricorni «Yue» (47.9 ± 0.6 ly; 1 star) • Alpha Corvi «Alchiba» (48.2 ± 0.5 ly; 1 star) • Eta Leporis (49.1 ± 0.5 ly; 1 star) • Nu Phoenicis (49.1 ± 0.5 ly; 1 star) • Sigma Boötis «Hemelein Secunda» (50.4 ± 0.6 ly; 2 stars)‡

G
(Yellow)

IV

Beta Aquilae «Alshain» (44.7 ± 0.5 ly; 2 stars) • b (31) Aquilae (49.4 ± 0.6 ly; 3 stars)

V

Rho¹ (55) Cancri (40.9 ± 0.4 ly; 2 stars, 5 planets: planet e • planet b • planet c • planet f • planet d) • HR 483 (41.2 ± 0.4 ly; 2 stars) • Lambda Aurigae «Al Hurr» (41.2 ± 0.5 ly; 2 stars) • HR 683 (41.4 ± 0.4 ly; 1 star) • i (44) Boötis (41.6 ± 0.3 ly; 3 stars) • HR 6094 (42.0 ± 0.5 ly; 2 stars, 1 planet: planet b) • HR 6998 (42.4 ± 0.5 ly; 1 star) • 58 Eridani (43.4 ± 0.5 ly; 1 star) • HR 8501 (44.4 ± 0.4 ly; 2 stars) • 18 Scorpii (45.7 ± 0.6 ly; 1 star) • 47 Ursae Majoris (45.9 ± 0.4 ly; 1 star, 3 planets: planet b • planet c • planet d) • 26 Draconis (45.9 ± 0.3 ly; 3 stars) • Pi¹ Ursae Majoris (46.6 ± 0.5 ly; 1 star) • 72 Herculis (46.9 ± 0.4 ly; 1 star) • Nu² Lupi (47.5 ± 0.5 ly; 1 star, 3 planets: planet b • planet c • planet d) • HR 7898 (47.8 ± 0.6 ly; 1 star) • Psi Serpentis (47.9 ± 0.6 ly; 2 stars) • HR 3862 (48.5 ± 0.5 ly; 1 star) • 20 Leonis Minoris «Cor» (48.6 ± 0.6 ly; 1 star) • HD 176051 (48.9 ± 0.4 ly; 2 stars, 1 planet: planet b) • Mu Arae (49.8 ± 0.6 ly; 1 star, 4 planets: planet d • planet e • planet b • planet c)‡ • 51 Pegasi (50.1 ± 0.6 ly; 1 star, 1 planet: planet b «Bellerophon»)‡ • HR 2007 (50.8 ± 0.9 ly; 1 star, 1 planet: planet b)‡

K
(Orange)

IV

HR 4587 (42.1 ± 0.4 ly; 1 star) • Gamma Cephei «Errai» (45.0 ± 0.3 ly; 2 stars, 1 planet: planet b) • Eta Cephei «Al Agemim» (46.8 ± 0.3 ly; 1 star)

V

HR 3384 (39.7 ± 0.3 ly; 1 star)‡ • HR 1925 (39.9 ± 0.4 ly; 1 star)‡ • Gliese 435 (40.8 ± 0.5 ly; 1 star) • HR 3259 (41.0 ± 0.4 ly; 1 star, 3 planets: planet b • planet c • planet d) • Gliese 349 (41.4 ± 0.6 ly; 1 star) • HR 6518 (41.7 ± 0.3 ly; 1 star) • HD 40307 (41.8 ± 0.3 ly; 1 star, 3 planets: planet b • planet c • planet d) • Gliese 428 (42.0 ± 1.0 ly; 2 stars) • Gliese 707 (42.3 ± 0.7 ly; 1 star) • Gliese 204 (42.3 ± 0.5 ly; 1 star) • Gliese 167 (42.7 ± 0.3 ly; 1 star) • Gliese 425 (42.9 ± 1.0 ly; 2 stars) • Gliese 716 (43.1 ± 0.5 ly; 1 star) • Gliese 174 (44.0 ± 0.8 ly; 1 star) • Gliese 656 (44.6 ± 0.6 ly; 1 star) • Gliese 5 (44.7 ± 0.5 ly; 2 stars) • AB Doradus (48.7 ± 0.4 ly; 2 stars)

In left column are stellar classes of primary members of star systems. ‡Distance error margin extends out of declared distance interval. Italic are systems possibly located within declared distance interval, but probably not.

v · Lupus

Bayer

α

β

γ

δ

ε

ζ

η

θ

ι

κ¹

κ²

λ

μ

ν¹

ν²

ξ¹

ξ²

ο

π

ρ

σ

τ¹

τ²

υ

φ¹

φ²

χ

ψ¹

ψ²

ω

a

b

c

d

e

f

g

h

i

k

Flamsteed

1 (i)

2 (f)

3 (ψ¹)

4 (ψ²)

5 (χ)

Nearby

Gliese 588

List

Categories:
Bayer objects
G-type main sequence stars
Lupus constellation
Main sequence star stubs

Nu² Lupi
Observation data Epoch J2000 Equinox J2000
Constellation	Lupus
Right ascension	15^h 21^m 48.1499^s
Declination	-48° 19′ 03.460″
Apparent magnitude (V)	5.65
Characteristics
Spectral type	G4V
Astrometry

Distance	47.5 ly (14.56 pc)
Absolute magnitude (M_V)	4.83^[1]

Details

Age	(3.6–5.2) × 10⁹^[1] years

Other designations
GJ 582, HD 136352, HIP 75181, HR 5699.

The Nu² Lupi system^[3]
Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity
b	5.27 ± 0.79 M_⊕	0.0933 ± 0.0015	11.577 ± 0.0056	0.18 ± 0.14
c	11.37 ± 0.98 M_⊕	0.1665 ± 0.0028	27.582 ± 0.0225	0.16 ± 0.07
d	9.53 ± 3.49 M_⊕	0.411 ± 0.0073	106.72 ± 1.0284	0.43 ± 0.24

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Academic Dictionaries and Encyclopedias

Nu² Lupi

Contents

Planetary system

See also

References

External links

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Academic Dictionaries and Encyclopedias

Wikipedia

Nu² Lupi

Contents

Planetary system

See also

References

External links

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