Rho Lupi — Star in Lupus
Observe
1Physical Properties
Magnitude
4.05
Range
4.04 - 4.05
Period
10.7 hours
Variable Type
SPB:
Spectral Type
B5V
Star Color
Blue
(B-V -0.15)
2Position & Identifiers
RA
14h 37m 53.2s
Dec
-49° 25' 33.0"
Constellation
Lupus
(Lup)
HR
5453
HIP
71536
HD
128345
SAO
225071
Bayer
Rho
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Easy | Medium+ | Medium |
| 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
Mar – May
(peak: Apr)
5Survey Image
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7
Size Comparison
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8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
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15Stellar Notes
S, amp. 0.1:V, 0.20U. Expanding circumstellar shell.
Member of Pleiades group.
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.
Alpha Lup
Bright naked-eye star, mag 2.3
Star
mag 2.30
2.1°
Lupus
NGC 5670
Bright spiral galaxy
Galaxy
mag 11.96
3.5°
Lupus
NGC 5460
Rich open cluster
Open Cluster
mag 5.6
5.1°
Centaurus
Pi Lup
HIP 73807; Pi Lupi
Tight double — a rewarding split at 1.6″
Double Star
mag 4.72
5.1°
Lupus
V716 Cen
Eclipsing binary, period 1.5d
Variable Star
mag 6.11
6.4°
Centaurus
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Biography
Lupus
Mythology, bright stars, and deep-sky highlights.
Constellation
The Hertzsprung-Russell Diagram — Reading Stars Like a Map
The HR diagram turns the night sky into a physics map: every named star has a spot, every spot tells you mass, age, and fate. A guide for amateur observers.
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