40 Leonis

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40 Leonis
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS)
Constellation	Leo
Right ascension	10^h 19^m 44.16688^s ^[1]
Declination	+19° 28′ 15.2943″ ^[1]
Spectral type	F6IV ^[1]

40 Leonis (40 Leo) is a star in the constellation Leo. Its apparent magnitude is 4.80.

References

↑ 1.0 1.1 1.2 SIMBAD, 40 Leonis (accessed 7 October 2012)

← Star systems within 65–70 light-years →

Star systems (including brown dwarf systems) within 65–70 light-years from Earth.

Giant star

K III	Aldebaran (65.1 ± 1.3 ly; 1 star) Epsilon Scorpii «Wei» (65.4 ± 1.1 ly; 1 star) Alpha Arietis «Hamal» (65.9 ± 1.3 ly; 1 star, 1 planet: b) Nu Octantis (69.1 ± 4.5 ly; 1 star)

F
(Yellow-white)

IV	Tau Cygni (66.4 ± 0.8 ly; 2 stars) Theta Draconis (68.3 ± 0.8 ly; 2 stars) 40 Leonis (69.0 ± 1.2 ly; 1 star) I Puppis (69.1 ± 0.8 ly; 1 star) Iota Virginis «Syrma» (69.8 ± 1.3 ly; 1 star)

V	Alpha Caeli (65.7 ± 0.7 ly; 2 stars) Kappa Tucanae (66.04 ± 1.2 ly; 4 stars) HR 8853 (66.1 ± 0.8 ly; 1 star) Gamma Doradus (66.2 ± 0.7 ly; 1 star) HR 6349 (66.5 ± 1.2 ly; 1 star) Sigma² Ursae Majoris (66.7 ± 0.9 ly; 3 stars) HR 8531 (66.8 ± 0.8 ly; 1 star) HR 8843 (67.1 ± 0.8 ly; 1 star) 17 Cygni (68.0 ± 0.8 ly; 2 stars) HR 7631 (68.1 ± 0.5 ly; 1 star) 13 Ceti (68.3 ± 1.8 ly; 3 stars) HD 33564 (68.4 ± 0.8 ly; 2 stars, 1 planet: b) HR 8013 (68.5 ± 1.4 ly; 1 star) HD 124580 (68.7 ± 1.2 ly; 1 star) 71 Orionis (68.9 ± 1.3 ly; 4 stars) HR 3578 (69.5 ± 1.5 ly; 1 star) 50 Persei (69.6 ± 1.2 ly; 3 stars) B Carinae (69.8+5.4 −4.7 ly; 1 star) Kappa Reticuli (69.9 ± 0.7 ly; 2 stars)

G
(Yellow)

IV	HD 114613 (66.8 ± 1.1 ly; 1 star, 1(+?) planets: b) 94 Aquarii (67.6+8.3 −6.6 ly; 2 stars) HD 210277 (69.4 ± 1.2 ly; 1 star, 1 planet: b) HD 10086 (69.8 ± 1.2 ly; 1 star)

V	GJ 1233 (65.2 ± 0.7 ly; 1 star) 53 Aquarii (65.5 ± 3.5 ly; 2 stars) Pi¹ Cancri (65.7 ± 1.4 ly; 2 stars, 2 brown dwarfs) Gliese 762.2 (65.7 ± 1.3 ly; 1 star) GJ 3863 (66.4 ± 0.9 ly; 1 star) 9 Ceti (66.5 ± 1.3 ly; 1 star) GJ 1262 (66.8 ± 1.1 ly; 1 star) GJ 3593 (67.3 ± 1.2 ly; 1 star) HD 24496 (67.4 ± 1.5 ly; 1 star, 1 planet: b) HR 7330 (68.0 ± 1.9 ly; 1 star) HR 5 (68.2 ± 1.3 ly; 2 stars) HR 7260 (68.3 ± 1.1 ly; 2 stars) Gliese 59.1 (68.5 ± 0.9 ly; 1 star) HR 7914 (68.5 ± 1.1 ly; 2 stars) 51 Arietis (69.0 ± 1.3 ly; 1 star) V774 Tauri (69.1 ± 1.6 ly; 1 star) HR 5070 (69.6 ± 0.8 ly; 1 star) GJ 3917 (69.6 ± 1.6 ly; 1 star) GJ 3257 (69.8 ± 1.5 ly; 1 star) c (16) Cygni (69.8 ± 0.8 ly; 3 stars, 1 planet: Bb)

K V
(Orange)

Gliese 292.1 (65.2 ± 1.4 ly; 1 star)
Gliese 268.2 (65.2 ± 1.3 ly; 1 star)
GJ 1278 (65.3 ± 1.4 ly; 1 star)
Gliese 342 (65.4 ± 1.4 ly; 1 star)
Gliese 747.3 (65.4 ± 2.0 ly; 1 star)
Gliese 456.1 (65.6 ± 1.3 ly; 2 stars)
HD 110810 (65.6 ± 1.3 ly; 1 star)
HD 136923 (65.7 ± 1.2 ly; 1 star)
HD 149806 (65.7 ± 1.2 ly; 2 stars)
GJ 3620 (65.9 ± 1.7 ly; 1 star)
Gliese 765.4 (65.9 ± 1.1 ly; 2 stars)
Gliese 199 (66.1 ± 3.0 ly; 2 stars)
Gliese 836.8 (66.2 ± 2.0 ly; 1 star)
Gliese 221 (66.3+2.3
−2.1 ly; 1 star, 3 planets: b
c
d)
Gliese 840 (66.3 ± 1.3 ly; 1 star)
GJ 2001 (66.3 ± 1.1 ly; 1 star)
Gliese 558 (66.4 ± 1.8 ly; 1 star)
Gliese 257.1 (66.6 ± 1.3 ly; 1 star)
GJ 1069 (66.6+6.7
−5.6 ly; 1 star, 1 brown dwarf)
HD 114783 (66.6 ± 1.5 ly; 1 star, 1 planet: b)
DK Leonis (66.6 ± 2.4 ly; 1 star)
HD 30501 (66.7 ± 0.9 ly; 2 stars)
GJ 9714 (66.7 ± 2.4 ly; 1 star)
Gliese 783.2 (66.8 ± 1.3 ly; 2 stars)
GJ 1172 (66.9 ± 2.3 ly; 1 star)
GJ 3358 (66.9 ± 1.4 ly; 1 star)
HD 155712 (67.0 ± 1.4 ly; 1 star)
Gliese 217 (67.1 ± 1.4 ly; 1 star)
HD 332518 (67.3 ± 1.7 ly; 1 star)
Gliese 808.2 (67.4 ± 2.6 ly; 1 star)
GJ 1108 (67.6+4.7
−4.2 ly; 2 stars)
Gliese 53.1 (67.7 ± 1.5 ly; 2 stars)
GJ 1084 (67.7 ± 1.5 ly; 1 star)
GJ 1008 (67.7 ± 2.5 ly; 1 star)
Gliese 30 (67.7 ± 1.5 ly; 1 star)
Gliese 544 (67.8 ± 1.6 ly; 2 stars)
GJ 1280 (67.9 ± 1.5 ly; 1 star)
HD 104067 (67.9 ± 1.5 ly; 1 star, 1 planet: b)
Gliese 533 (68.0 ± 2.6 ly; 2 stars)
Gliese 415 (68.2 ± 2.8 ly; 1 star)
Gliese 371 (68.4 ± 2.3 ly; 1 star)
HD 220221 (68.4 ± 1.4 ly; 1 star)
HD 119802 (68.5 ± 1.7 ly; 1 star)
Gliese 491 (68.5 ± 1.3 ly; 2 stars)
HD 216259 (68.6 ± 1.7 ly; 1 star)
Gliese 396 (68.6 ± 0.9 ly; 1 star)
Gliese 889 (68.9 ± 2.8 ly; 2 stars)
GJ 1165 (69.1 ± 2.9 ly; 1 star)
Gliese 659 (69.2 ± 2.9 ly; 2 stars)
Gliese 276 (69.3 ± 1.9 ly; 1 star)
GJ 1048 (69.3 ± 1.6 ly; 1 star)
Gliese 155.2 (69.5 ± 1.4 ly; 1 star)
HD 97658 (69.5 ± 1.5 ly; 1 star, 1 planet: b)
HD 92945 (69.8 ± 1.0 ly; 1 star)
Gliese 857.1 (69.8 ± 2.6 ly; 2 stars)
V775 Herculis (69.9 ± 1.6 ly; 1 star)
GJ 4268 (70.0 ± 1.0 ly; 2 stars)
GJ 3071 (70.0 ± 2.5 ly; 1 star)

M V (Red dwarf)	Gliese 328 (65.3 ± 3.0 ly; 1 star, 1 planet: b) Gliese 330.1 (67.2 ± 1.8 ly; 1 star) CR Draconis (67.4 ± 1.7 ly; 1 star) HIP 105533 (67.6 ± 2.3 ly; 1 star) Gliese 336 (69.0+4.5 −4.0 ly; 1 star) Gliese 122 (69.5 ± 2.1 ly; 1 star) GJ 4254 (69.8+14.1 −10.1 ly; 1 star)

White
dwarf

DC	GD 356 (68.8+5.5 −4.7 ly; 1 star)

Brown
dwarf

L	DENIS-P J1228.2-1547 (66.0+2.6 −2.4 ly; 2 brown dwarfs)

T	WISE 0413-4750 (~66.2 ly; 1 brown dwarf) WISE 0123+4142 (~67.2 ly; 1 brown dwarf) WISE 0625+5646 (~67.2 ly; 1 brown dwarf) WISE 0821+1443 (~68.2 ly; 1 brown dwarf) WISE 0448-1935 (~69.8 ly; 1 brown dwarf)

Y	WISE 0535-7500 (68.5+42.4 −35.9 ly; 1 brown dwarf)

In left column are stellar classes of primary members of star systems. Bold are systems containing at least one component with absolute magnitude of +8.5 or brighter. Italic are systems without known trigonometric parallax.

v t e Stars of Leo

Bayer	α (Regulus) β (Denebola) γ (Algieba) δ (Zosma) ε (Algenubi) ζ (Adhafera) η θ (Chertan) ι κ (Al Minliar al Asad) λ (Alterf) μ (Rasalas) ν ξ ο (Subra) π ρ σ τ υ φ χ ψ ω

Flamsteed	3 6 7 8 9 10 11 12 13 15 18 19 20 21 22 23 31 34 35 37 39 40 42 43 44 45 46 48 49 50 51 52 53 54 55 56 58 59 60 61 62 64 65 67 69 71 72 73 75 76 79 80 81 83 85 86 87 88 89 90 92 93 95 18 LMi 37 Sex 52 LMi

Variable	R S X Y RR RZ SS ST TU TV UV UZ XY XZ AD AM AP AQ CE DH DK DN DP DR DX DY EE EO EX GX HN

HR	3723 3736 3792 3804 3820 3869 3876 3926 3938 3942 3969 4006 4012 4032 4048 4097 4197 4244 4245 4249 4253 4303 4341 4358 4394 4404 4419 4459 4465 4512 4531 4535 4543

HD	81040 84680 86986 88133 89307 95989 96063 96372 97658 99109 100456 100659 100777 102272

Gliese	Gliese 408 Gliese 410 Gliese 436 GJ 3685A

Other	BD+20°2457 IRC +10216 2MASSI J0937347+293142 PG 1031+234 PSR B0919+06 PSR B0943+10 PSR B0950+08 PSR B1133+16 PSR J1022+1001 SDSS J102915+172927 WD 1105-048 Wolf 359

List

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