28 And
HIP 2355; 28 And
DoubleStar
And
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.23
Range
5.23 - 5.28
Period
1.7 hours
Variable Type
Delta Scuti (Low Amplitude)
Spectral Type
A7III
Star Color
Yellow-white
(B-V 0.24)
Distance
3261.6 ly
Position & Identifiers
RA
00h 30m 07.3s
Dec
+29° 45' 06.0"
Constellation
And
HR
114
HIP
2355
Flamsteed
28 And
Variable ID
GN And
Double Cat
409
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Multiple Star System
Components
3
Component IDs
AC
Separation
2.0″
Companion Mag
13.1
Position Angle
16°
Star Colors
A: Yellow-white
Discoverer
BU 1095
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.0″ · PA: 16° · 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.
Stellar Notes
Delta Sct 5.18 - 5.22V, 0.0689797d.
ADS 409B 13.3v at 3" CPM with A.
Spectrum classified variously as Am, A7III, F0III, F2V.
Survey Image
Loading survey image…