HIP 97944
HIP 97944
DoubleStar
Sgr
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.18
Variable Type
BY Draconis (Spotted Rotating)
Spectral Type
K2V
Star Color
Orange
(B-V 1.02)
Distance
43.5 ly
Position & Identifiers
RA
19h 54m 17.7s
Dec
-23° 56' 28.0"
Constellation
Sgr
HR
7578
HIP
97944
Variable ID
Var?
Double Cat
13072
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Visibility
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Multiple Star System
Separation
45.8″
Companion Mag
10.7
Companion Sp
M5
Position Angle
34°
Star Colors
A: Orange
B: Red
Discoverer
HJ 2904
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 45.8″ · PA: 34° · 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
BY Dra type predicted, but variability not yet detected.
Optical.
46.817d, e 0.692, K(A) 48.8 k/s, K(B) 48.7 k/s, V0 -5.1 k/s, m(A)sin3i = m(B)sin3i = 0.85, | a(A)sini 22.7, a(B)sini 22.6.
Survey Image
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