V440 Per
Observable Variable Star
Good (45/100)
Period: 7.6d
HIP 11174
VariableStar
Per
Visible
Level 3
Medium telescope (6-8") - Monitor brightness changes
Physical Properties
Magnitude
6.28
Spectral Type
F7Ib
Star Color
Orange
(B-V 0.86)
Position & Identifiers
RA
02h 23m 51.8s
Dec
+55° 21' 52.0"
Constellation
Per
HR
690
HIP
11174
Variable ID
V440 Per
Double Cat
1820
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Visibility
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Comparison Stars for V440 Per
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
10.9″
Companion Mag
14.6
Position Angle
131°
Star Colors
A: Orange
Discoverer
BU 1373
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 10.9″ · PA: 131° · 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
CDelta, amp. 0.123V, 7.572d.
Survey Image
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