Menu

Theta Chamaeleontis — Star in Chamaeleon

Magnitude 4.3m Star Chamaeleon (Cha) Visible
Star Map
+ List + Plan

Observe

1Physical Properties

Magnitude 4.35
Spectral Type K2IIICN0.5 giant
Star Color Red (B-V 1.16)
Distance 91 ly

2Position & Identifiers

RA 08h 20m 38.5s
Dec -77° 29' 04.0"
Constellation Chamaeleon (Cha)
HR 3340
HIP 40888
HD 71701
SAO 256503
Bayer Theta

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+ Medium
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 Dec – Feb (peak: Jan)

5Survey Image

Loading survey image…

Explore

7

Size Comparison

Querying VizieR for stellar data…
8

Compare Stars

9

Spectral Classification

10

Hertzsprung-Russell Diagram

Loading HR diagram…
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

Discover

15

Light Travel Time Machine

16

Relativistic Travel

}