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HIP 74449

HIP 74449 DoubleStar Lup Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 4.82
Spectral Type B3IV
Star Color Blue (B-V -0.17)

Position & Identifiers

RA 15h 12m 49.5s
Dec -44° 30' 02.0"
Constellation Lup
HR 5651
HIP 74449
Variable ID Var?

Visibility

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Multiple Star System

Separation 5.5″
Companion Mag 17.7
Position Angle 120°
Star Colors A: Blue
Discoverer SHT 59

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 120° A (4.8) B (17.7)

Sep: 5.5″ · PA: 120° · N up, E left

Resolved · 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

Var? Amp. 0.015b.
0.9014d, K 22k/s, V0 +13.5k/s, asini .273.
Member of the local association (Pleiades group); Sco-Cen assoc.

Survey Image

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