Delta Equ
HIP 104858; Delta Equ; 7 Equ
DoubleStar
Equ
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
4.49
Spectral Type
F5V+G0V
Star Color
Yellow
(B-V 0.50)
Distance
56.2 ly
Position & Identifiers
RA
21h 14m 28.9s
Dec
+10° 00' 25.0"
Constellation
Equ
HR
8123
HIP
104858
Bayer
Delta
Flamsteed
7 Equ
Double Cat
14773
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
0.2″
Companion Mag
5.5
Companion Sp
F6V
Position Angle
214°
Star Colors
A: Yellow
B: Yellow
Discoverer
STT 535
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 214° · 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 5.2 F7V, 5.3 F7V, 5.70y, a = 0.26". Combined mag., colors. Component C, 9.5v at 48" optical.
5.70y D, K 24.9k/s, V0 -15.2k/s, asini 633. Resolved by speckle interferometry 1983.93, sep. 0.41".
0.062".
Survey Image
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