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HIP 84720

Observable Double Star Excellent (63/100)

Sep: 10.6", Companion: mag 8.9

HIP 84720 DoubleStar Ara Visible Level 2 Small telescope (4") - Requires steady seeing
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Physical Properties

Magnitude 5.48
Spectral Type G8-K0V
Star Color Orange (B-V 0.80)
Distance 25 ly

Position & Identifiers

RA 17h 19m 03.2s
Dec -46° 38' 02.0"
Constellation Ara
HR 6416
HIP 84720

Visibility

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Multiple Star System

Components 4
Component IDs AB
Separation 10.6″
Companion Mag 8.9
Position Angle 259°
Star Colors A: Orange B: Red

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 259° A (5.5) B (8.9)

Sep: 10.6″ · PA: 259° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″

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Stellar Notes

AB 5.53 G8V, 8.65 M0V, 693.24y, a = 10.415", or 2205y, a = 23.90". Various published orbits range from 242 to 2205y. | Combined mag., colors.
0.117".
Comp. B, +21k/s.

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