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HIP 78849

HIP 78849 DoubleStar Oph Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 6.53
Spectral Type F2IV
Star Color Yellow (B-V 0.48)
Distance 271.8 ly

Position & Identifiers

RA 16h 05m 44.5s
Dec -06° 17' 30.0"
Constellation Oph
HR 5989
HIP 78849
Double Cat 9918

Visibility

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Multiple Star System

Components 5
Component IDs AP
Separation 0.6″
Companion Mag 9.0
Position Angle 72°
Star Colors A: Yellow
Discoverer BU 948

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 72° A (6.5) B (9.0)

Sep: 0.6″ · PA: 72° · N up, E left

Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Notes

AB binary, B, 9.2v at 1"; C, 10.4 at 29" fixed; and D, 10.8 at 53" optical.
Other UBV: 6.55, 6.34 and 6.31V; +0.47, +0.41 and +0.44(B-V); +0.05, -0.04 and -0.05(U-B).

Survey Image

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