Delta Telescopii — Star in Telescopium
HIP 90853; Delta2 Telescopii
Observe
1Physical Properties
Magnitude
5.07
Spectral Type
B3III
giant
Star Color
Blue-white
(B-V -0.14)
2Position & Identifiers
RA
18h 32m 02.0s
Dec
-45° 45' 26.0"
Constellation
Telescopium
(Tel)
HR
6938
HIP
90853
HD
170523
SAO
229095
Bayer
Delta2
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
May – Jul
(peak: Jun)
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
21.7056d, K 34.9k/s, V0 -7.6k/s, asini 10.2.
Sco-Cen assoc.; Sco-Cen cluster?
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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