HIP 81657
HIP 81657
DoubleStar
Ara
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
6.18
Spectral Type
F2III-IV
Star Color
Yellow
(B-V 0.48)
Position & Identifiers
RA
16h 40m 50.5s
Dec
-60° 26' 46.0"
Constellation
Ara
HR
6177
HIP
81657
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
1.3″
Companion Mag
9.1
Position Angle
35°
Star Colors
A: Yellow
B: Orange
Discoverer
B 1818
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.3″ · PA: 35° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
Querying VizieR for stellar data…
Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
Loading HR diagram…
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Survey Image
Loading survey image…