Menu

Theta Doradus — Star in Dorado

Magnitude 4.8m Star Dorado (Dor) Visible
Star Map
+ List + Plan

Observe

1Physical Properties

Magnitude 4.83
Spectral Type K2.5IIIa bright giant
Star Color Red (B-V 1.28)

2Position & Identifiers

RA 05h 13m 45.4s
Dec -67° 11' 07.0"
Constellation Dorado (Dor)
HR 1744
HIP 24372
HD 34649
SAO 249225
Bayer Theta
SIMBAD

3How easy to spot?

Sign in and configure your equipment and default location to see a personalized row.
Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium+ Medium Hard+
50mm finder Easy Easy Easy
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 Nov – Jan (peak: Dec)

5Survey Image

Loading survey image…

Explore

6

Size Comparison

Querying VizieR for stellar data…
7

Compare Stars

8

Spectral Classification

9

Hertzsprung-Russell Diagram

Loading HR diagram…
Read: The Hertzsprung-Russell Diagram — Reading Stars Like a Map
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

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 1844
Hard+
Open cluster
Open Cluster mag 12.08 0.6° Dorado
NGC 1846
Medium+
Compact globular cluster
Globular Cluster mag 11.0 0.7° Dorado
IC 2128
Hard+
Diffuse nebula
Diffuse Nebula mag 11.10 1.2° Dorado
NGC 1763
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 9.40 1.8° Dorado
Show on Map

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
Dorado
Mythology, bright stars, and deep-sky highlights.
Constellation
The Life of Stars
From birth in a nebula to spectacular death — how stars are born, shine, swell, and die, and how to read the clues in their starlight.
Article
}