La Superba — Variable Star in Canes Venatici
HIP 62223
Excellent (68/100)
Observe
1Physical Properties
Magnitude
4.99
Range
4.86 - 5.88
Period
268 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
C7I
supergiant
Star Color
Deep ruby red
(B-V 2.54)
Distance
1,631 ly
2Position & Identifiers
RA
12h 45m 07.8s
Dec
+45° 26' 25.0"
Constellation
Canes Venatici
(CVn)
HR
4846
HIP
62223
HD
110914
SAO
44317
Variable ID
Y CVn
Querying VizieR catalog...
3How easy to follow?
Magnitude
4.9 – 5.9 mag
Amplitude
1.0 mag
Period
267.8 d
Type
SRB
Sign in
and configure your equipment and default location to see a personalized row.
| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard | Hard | V. hard+ |
| 50 mm finder 50mm finder | Medium+ | Medium+ | Medium+ |
| 150 mm telescope 150mm scope | Easy | Easy | Medium+ |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Feb – Apr
(peak: Mar)
5Survey Image
Loading survey image…
6Light Curve
7Comparison Stars for La Superba (4.9–5.9)
Nearby stable stars for estimating brightness (AAVSO)
Loading comparison stars…
Explore
8
Size Comparison
Querying VizieR for stellar data…
9
Compare Stars
10
Spectral Classification
11
Hertzsprung-Russell Diagram
Loading HR diagram…
12
Stellar Lifecycle
13
Blackbody Spectrum
14
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
15
Stellar Fusion
Discover
16Stellar Notes
SRb 7.4 - 10.0p, 158.0d, some cycles 250 and 90d. Possible secondary 2000 - 2200d.
Infrared spectra show CO, CN and C2 molecules.
17
Light Travel Time Machine
18
Relativistic Travel
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
Explore Nightbase
Related knowledge, tools, and stories — no observation planning required.
Arthur Eddington
1919 eclipse expedition confirming general relativity; first theory of stellar interiors; the Eddington limit
Biography
Variable Stars — A Guide for Observers
A practical guide to visual observation of variable stars: estimating magnitudes, finding comparison stars, recording data, and contributing to science with AAVSO.
Article
Canes Venatici
Mythology, bright stars, and deep-sky highlights.
Constellation
