DE Boötis

DE Boötis: DE Boötis A/B
Observation data
Epoch 2000 Equinox 2000

Constellation Boötes

Right ascension 14_h 53_m 23.8_s

Declination +19° 09' 10.1"

Apparent magnitude (V) 6.00

Characteristics

Spectral type K2 V/?

U−B color index 0.50

B−V color index 0.84

R−I color index 0.42

Astrometry

Radial velocity (R_v) -31.0 km/s

Proper motion (μ) RA: -442.75 mas/yr
Dec.: 216.84 mas/yr

Parallax (π) 86.68 ± 0.80 mas

Distance 37.6 ± 0.3 ly
(11.5 ± 0.1 pc)

Absolute magnitude (M_V) 5.68

Details

Age (0.7–1.3) × 10⁹^[1] years

Other designations

BD+19 2881, GJ 567, HD 131511, HIP 72848, HR 5553, LHS 5279, Nstars 1453+1909

DE Boötis is a binary star system located thirty-eight light-years away, in the constellation Boötes. The A component is an orange, main sequence (K2 V) star.

References

^ 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.

External links

ARICNS: 01173 (A)

NStars: 1453+1909

v · ← «Bright» star systems within 30–40 light-years →

Star systems within 30–40 light-years from Earth with brightest member's absolute magnitude of +8.5 or brighter.

Giant
star

K III

Pollux (33.7 ± 0.3 ly; 1 star, 1 planet: planet b) • Arcturus (36.7 ± 0.3 ly; 1 star)

A
(White)

IV

Delta Capricorni «Scheddi» (38.6 ± 0.4 ly; 4 stars)

V

Denebola (36.2 ± 0.4 ly; 1 star)

F
(Yellow-
white)

IV

Zeta Herculis «Rutilicus» (34.8 ± 0.2 ly; 2 stars) • Beta Trianguli Australis (40.2 ± 0.3 ly; 2 stars)‡

V

Gamma Pavonis (30.1 ± 0.2 ly; 1 star)‡ • Beta Virginis «Zavijava» (35.6 ± 0.3 ly; 2 stars) • Gamma Serpentis (36.3 ± 0.3 ly; 1 star) • Theta Persei (36.6 ± 0.3 ly; 2 stars) • Zeta Doradus (38.0 ± 0.2 ly; 1 star) • Iota Pegasi (38.3 ± 0.3 ly; 2 stars) • Gamma Virginis «Porrima» (38.7 ± 0.4 ly; 2 stars) • Zeta Trianguli Australis (39.5 ± 0.3 ly; 2 stars)

G
(Yellow)

IV

Eta Boötis «Muphrid» (37.0 ± 0.3 ly; 2 stars)

V

Beta Comae Berenices (29.9 ± 0.2 ly; 1 star)‡ • Kappa¹ Ceti (29.9 ± 0.2 ly; 1 star)‡ • HR 4523 (30.1 ± 0.2 ly; 2 stars, 1 planet: planet b)‡ • 61 Ursae Majoris (31.1 ± 0.2 ly; 1 star) • Alpha Mensae (33.1 ± 0.2 ly; 1 star) • Iota Persei (34.4 ± 0.3 ly; 1 star) • Delta Trianguli (35.4 ± 0.3 ly; 2 stars) • 11 Leonis Minoris (36.5 ± 0.3 ly; 2 stars) • Lambda Serpentis (38.3 ± 0.4 ly; 1 star) • Zeta Reticuli (39.4 ± 0.3 ly; 2 stars) • 85 Pegasi (39.5 ± 0.4 ly; 3 stars)

VI

Groombridge 1830 (29.9 ± 0.2 ly; 1 star)‡

K V
(Orange)

HR 4458 (31.1 ± 0.2 ly; 2 stars) • Gliese 638 (31.9 ± 0.3 ly; 1 star) • 12 Ophiuchi (31.9 ± 0.3 ly; 1 star) • HR 511 (32.5 ± 0.2 ly; 1 star) • HR 5256 (33.0 ± 0.2 ly; 1 star) • Gliese 453 (33.2 ± 0.3 ly; 1 star) • HR 857 (33.9 ± 0.3 ly; 1 star) • Gliese 688 (34.9 ± 0.5 ly; 1 star) • Gliese 653 (35.1 ± 0.4 ly; 2 stars) • HR 9038 (35.2 ± 0.2 ly; 2 stars) • HR 637 (35.6 ± 0.2 ly; 2 stars, 1 planet: planet b) • HR 6806 (36.2 ± 0.2 ly; 1 star) • 54 Piscium (36.2 ± 0.3 ly; 1 star, 1 brown dwarf, 1 planet: planet b) • Gliese 320 (36.3 ± 0.2 ly; 1 star) • Gliese 370 (36.4 ± 0.3 ly; 1 star, 1 planet: planet b) • Gliese 505 (36.6 ± 0.4 ly; 2 stars) • Gliese 208 (37.1 ± 0.6 ly; 1 star) • Gliese 902 (37.2 ± 0.3 ly; 1 star) • Gliese 169 (37.4 ± 0.5 ly; 1 star) • HR 5553 (37.6 ± 0.4 ly; 2 stars) • Gliese 542 (38.6 ± 0.4 ly; 1 star) • HR 3384 (39.7 ± 0.3 ly; 1 star)‡ • HR 1925 (39.9 ± 0.4 ly; 1 star)‡

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.

Categories:
Main sequence star stubs
Boötes constellation
Henry Draper Catalogue objects
HIP objects
K-type main sequence stars

DE Boötis A/B
Observation data Epoch 2000 Equinox 2000
Constellation	Boötes
Right ascension	14_h 53_m 23.8_s
Declination	+19° 09' 10.1"
Apparent magnitude (V)	6.00
Characteristics
Spectral type	K2 V/?
U−B color index	0.50
B−V color index	0.84
R−I color index	0.42
Astrometry

Radial velocity (R_v)	-31.0 km/s
Proper motion (μ)	RA: -442.75 mas/yr Dec.: 216.84 mas/yr
Parallax (π)	86.68 ± 0.80 mas
Distance	37.6 ± 0.3 ly (11.5 ± 0.1 pc)
Absolute magnitude (M_V)	5.68

Details

Age	(0.7–1.3) × 10⁹^[1] years

Other designations
BD+19 2881, GJ 567, HD 131511, HIP 72848, HR 5553, LHS 5279, Nstars 1453+1909

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Kappa Boötis — (κ Boo / κ Boötis) is a star system in the constellation Boötes. It also has the traditional name Asellus Tertius (Latin for third donkey colt ) and the Flamsteed designation 17 Boötis. Kappa Boötis is approximately 155 light years from Earth.κ1… … Wikipedia
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DE Boötis

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