22 Cas
HIP 3504; 22 Cas
DoubleStar
Cas
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.54
Range
4.31 - 4.62
Variable Type
Gamma Cassiopeiae (Eruptive Be Star)
Spectral Type
B5IIIe
Star Color
Blue-white
(B-V -0.07)
Position & Identifiers
RA
00h 44m 43.5s
Dec
+48° 17' 04.0"
Constellation
Cas
HR
193
HIP
3504
Flamsteed
22 Cas
Variable ID
Omi Cas
Double Cat
622
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
34.4″
Companion Mag
11.2
Position Angle
303°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
BU 231
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 34.4″ · PA: 303° · N up, E left
Resolved · 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 Fusion
Stellar Notes
Gamma Cas, 4.50 - 4.62V, amp. 0.3:R, 1.1679d.
CPM. Companion F8.
1033d. K 19.0, V0 -18.7, asini 268.
Cas-Tau OB1. Member of Pleiades group.
Shell star. Also classified B2V, B4ne, B8III, B2-5IVe.
Survey Image
Loading survey image…