Proxima Centauri________________
ICRS coord. (ep=J2000): 217.4289422216058 -62.6794901890756 FK4 coord. (ep=B1950) : 216.5791786897209 -62.4678813068141Gal coord. (ep=J2000) : 313.9398620493784 -01.9271491330428Parallaxes (mas): 768.0665Distance: 1.302 pc ≈ 4.246 ly
Cartesian galactic coordinates: X=0.9029302658, Y=-0.9369777819, Z=-0.0437836514
Proper motions mas/yr : -3781.741 769.465Transverse velocity: 23.82 km/sRadial velocity: -22.40 km/sSpectral type: M5.5VeVisual magnitude: 11.13
Three confirmed planets: Proxima Centauri b,c,d
https://en.wikipedia.org/wiki/Proxima_Centauri#Planetary_system
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Distance of closest approach (to the Sun): 0.948 pcTime of closest approach = +26.7 kyrGalactic space velocities: U=-29.62 V=+1.91 W=+13.72
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We'll consider right circular (syzygical) cones with aperture arcsin(0.1) ≈
5.739170477267° in the direction of Proxima Centauri, indicating
parallaxes, visual magnitudes and spectral types.
__________________________________________________________________
Syzygical Cone (parallax > 50, within 20 parsecs):
1 NAME Proxima Centauri 768.0665 11.13 M5.5Ve2A * alf Cen A 743 0.01 G2V2B * alf Cen B 743 1.33 K1V2 * alf Cen 742 -0.1 G2V+K1V3 DENIS J145407.8-660447 93.9418 L3.54 HD 125072 84.6029 6.66 K3IV5 VVV J141159.32-592045.7 69.4414 14.55 ~6 L 106-15 61.8603 M37B * alf Cir B 60.8225 8.47 K5V7 * alf Cir 60.35 3.19 A7VpSrCrEu8 PM J14111-6155 51.0449 10.866 M1Ve ________________________________________________________________
Syzygical Cone (plx > 10, within 100 pc, Visial magnitude < 6):
1 NAME Proxima Centauri 768.0665 11.13 M5.5Ve
2A * alf Cen A 743 0.01 G2V2B * alf Cen B 743 1.33 K1V2 * alf Cen 742 -0.1 G2V+K1V3 * alf Cir 60.35 3.19 A7VpSrCrEu4 HD 125158 21.1588 5.23 A5/7mA7-F25 HD 129422 20.433 5.360 A9III/IV6 HD 131342 18.8519 5.180 K2III7 HD 121474 15.2855 4.701 K1.5IIIb:8 HD 121932 13.8056 5.948 F2III9 HD 126862A 12.7533 5.903 ~10 * eta Cir 11.7561 5.168 G8III
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woah why all this info here?
no just asking I know its related to our club name
Right! I also make my own kinematical calculations concerning nearby stars.
Proxima Centauri
________________
ICRS coord. (ep=J2000): 217.4289422216058 -62.6794901890756
FK4 coord. (ep=B1950) : 216.5791786897209 -62.4678813068141
Gal coord. (ep=J2000) : 313.9398620493784 -01.9271491330428
Parallaxes (mas): 768.0665
Distance: 1.302 pc ≈ 4.246 ly
Cartesian galactic coordinates: X=0.9029302658, Y=-0.9369777819, Z=-0.0437836514
Proper motions mas/yr : -3781.741 769.465
Transverse velocity: 23.82 km/s
Radial velocity: -22.40 km/s
Spectral type: M5.5Ve
Visual magnitude: 11.13
Three confirmed planets: Proxima Centauri b,c,d
https://en.wikipedia.org/wiki/Proxima_Centauri#Planetary_system
____________________________________________________________
Distance of closest approach (to the Sun): 0.948 pc
Time of closest approach = +26.7 kyr
Galactic space velocities: U=-29.62 V=+1.91 W=+13.72
=========================================================
We'll consider right circular (syzygical) cones with aperture arcsin(0.1) ≈
5.739170477267° in the direction of Proxima Centauri, indicating
parallaxes, visual magnitudes and spectral types.
__________________________________________________________________
Syzygical Cone (parallax > 50, within 20 parsecs):
1 NAME Proxima Centauri 768.0665 11.13 M5.5Ve
2A * alf Cen A 743 0.01 G2V
2B * alf Cen B 743 1.33 K1V
2 * alf Cen 742 -0.1 G2V+K1V
3 DENIS J145407.8-660447 93.9418 L3.5
4 HD 125072 84.6029 6.66 K3IV
5 VVV J141159.32-592045.7 69.4414 14.55 ~
6 L 106-15 61.8603 M3
7B * alf Cir B 60.8225 8.47 K5V
7 * alf Cir 60.35 3.19 A7VpSrCrEu
8 PM J14111-6155 51.0449 10.866 M1Ve
________________________________________________________________
Syzygical Cone (plx > 10, within 100 pc, Visial magnitude < 6):
1 NAME Proxima Centauri 768.0665 11.13 M5.5Ve
2A * alf Cen A 743 0.01 G2V
2B * alf Cen B 743 1.33 K1V
2 * alf Cen 742 -0.1 G2V+K1V
3 * alf Cir 60.35 3.19 A7VpSrCrEu
4 HD 125158 21.1588 5.23 A5/7mA7-F2
5 HD 129422 20.433 5.360 A9III/IV
6 HD 131342 18.8519 5.180 K2III
7 HD 121474 15.2855 4.701 K1.5IIIb:
8 HD 121932 13.8056 5.948 F2III
9 HD 126862A 12.7533 5.903 ~
10 * eta Cir 11.7561 5.168 G8III
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