Observe
1Physical Properties
Magnitude
4.48
Range
4.43 - 4.73
Variable Type
E:+DSCTC:
Spectral Type
A2V s
Star Color
White
(B-V 0.01)
Distance
93 ly
2Position & Identifiers
RA
06h 19m 37.4s
Dec
+59° 00' 39.0"
Constellation
Lynx
(Lyn)
HR
2238
HIP
30060
HD
43378
SAO
25665
Flamsteed
2 Lyn
Variable ID
UZ Lyn
Querying VizieR catalog...
3How easy to follow?
Magnitude
4.4 – 4.7 mag
Amplitude
0.3 mag
Period
7.2 h
Type
E:+DSCTC:
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard | Hard | V. hard+ |
| 50 mm finder 50mm finder | Hard+ | Hard+ | Hard+ |
| 150 mm telescope 150mm scope | Hard+ | Hard+ | Hard+ |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
Out of reach for typical amateur telescopes, even at Bortle 3.
4Visibility
Set a location in User Settings to see visibility data.
Best season
Nov – Jan
(peak: Dec)
5Survey Image
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6Comparison Stars for 2 Lyn (4.4–4.7)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
8
Size Comparison
Querying VizieR for stellar data…
9
Compare Stars
10
Spectral Classification
11
Hertzsprung-Russell Diagram
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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
E: + Delta Sct: 4.43 - 4.73V. Line widths vary 0.3d.
0.065d.
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.
NGC 2128
Elliptical galaxy
Galaxy
mag 13.0
2.4°
Camelopardalis
RR Lyn
Eclipsing binary, period 9.9d
Variable Star
mag 5.64
2.9°
Lynx
12 Lyn
Tight double — a rewarding split at 1.9″
Double Star
mag 4.87
3.4°
Lynx
NGC 2126
Open cluster
Open Cluster
mag 10.0
9.5°
Auriga
Psi Aur
HIP 30520; Psi1 Aurigae; 46 Aurigae
Semi-regular variable, range 4.8–5.7
Variable Star
mag 4.91
9.8°
Auriga
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Article
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Mythology, bright stars, and deep-sky highlights.
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