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Delta1 Lyrae

Delta1 Lyrae, its name Latinized from δ1 Lyrae, is a binary star system in the northern constellation of Lyra. It is dimly visible to the naked eye at night with a combined apparent visual magnitude of 5.56. The system is located at a distance of approximately 1,160 light years from the Sun based on parallax, but is drifting closer with a radial velocity…

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Overview

Latinized Binary star Constellation Lyra Apparent visual magnitude

27 related topics

Key facts & relationships

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Apparent magnitude (V): 5.56
B−V color index: −0.15
Constellation: Lyra
Declination: +36° 58′ 18.1891″
Right ascension: 18h 53m 43.55924s
Spectral type: B2.5V

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Delta1 Lyrae

Nodes29

Edges28

Triples7

Avg. degree1.93

Density0.068966

Components1

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Delta1 Lyrae

Top relations

Apparent magnitude (V) · 1

Delta1 Lyrae → 5.56

B−V color index · 1

Delta1 Lyrae → −0.15

Constellation · 1

Delta1 Lyrae → Lyra

Declination · 1

Delta1 Lyrae → +36° 58′ 18.1891″

Right ascension · 1

Delta1 Lyrae → 18h 53m 43.55924s

Spectral type · 1

Delta1 Lyrae → B2.5V

U−B color index · 1

Delta1 Lyrae → −0.67

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Important terminology

star years distance lyrae magnitude radial velocity sun lyra parallax eccentricity binary system visible visual light discovered orbital component around

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Delta1 Lyrae	Apparent magnitude (V)	5.56	1.00	infobox
Delta1 Lyrae	B−V color index	−0.15	1.00	infobox
Delta1 Lyrae	Constellation	Lyra	1.00	infobox
Delta1 Lyrae	Declination	+36° 58′ 18.1891″	1.00	infobox
Delta1 Lyrae	Right ascension	18h 53m 43.55924s	1.00	infobox
Delta1 Lyrae	Spectral type	B2.5V	1.00	infobox
Delta1 Lyrae	U−B color index	−0.67	1.00	infobox

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