Lambda Crateris — Star in Crater
Observe
1Physical Properties
Magnitude
5.09
Spectral Type
F5III
giant
Star Color
Yellow-white
(B-V 0.42)
Distance
142 ly
2Position & Identifiers
RA
11h 23m 21.9s
Dec
-18° 46' 48.0"
Constellation
Crater
(Crt)
HR
4395
HIP
55598
HD
98991
SAO
156646
Bayer
Lambda
Flamsteed
13 Crt
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium | Hard+ | Hard+ |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
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
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Explore
6
Size Comparison
Querying VizieR for stellar data…
7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
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10
Stellar Lifecycle
11
Blackbody Spectrum
12
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
13
Stellar Fusion
Discover
14Stellar Notes
1940d, K 6.9k/s, V0 +13.0k/s, asini 144. Orbit questioned by Morbey and Griffin (1987, ApJ, 317, 343). Period | may be correct, but large errors in elements. Orbital eccentricity may be high. Unresolved by speckle interferometry | 1982.17 and 1983.10.
15
Light Travel Time Machine
16
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.
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