15 Ari
HIP 10155; 15 Ari
DoubleStar
Ari
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
5.70
Spectral Type
M3IIIab
Star Color
Red
(B-V 1.65)
Position & Identifiers
RA
02h 10m 37.6s
Dec
+19° 30' 01.0"
Constellation
Ari
HR
631
HIP
10155
Flamsteed
15 Ari
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
0.1″
Companion Mag
6.7
Position Angle
-1°
Star Colors
A: Red
Discoverer
OCC 209
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: -1° · 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…