Menu

HIP 45101 — Star in Carina

Magnitude 4.0m Star Carina (Car) Visible
Star Map
+ List + Plan

Observe

1Physical Properties

Magnitude 3.97
Spectral Type B3III giant
Star Color Blue (B-V -0.18)

2Position & Identifiers

RA 09h 11m 16.6s
Dec -62° 19' 02.0"
Constellation Carina (Car)
HR 3663
HIP 45101
HD 79447
SAO 250471
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 Easy 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 Jan – Mar (peak: Feb)

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

15Stellar Notes

Helium var.?
Sco-Cen assoc.; probable member of Sco-Cen cluster. See HR 2702.

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 2842
Hard+
Bright spiral galaxy
Galaxy mag 12.49 0.9° Carina
R Car
Easy
Mira-type variable, range 3.9–10.1
Variable Star mag 6.10 2.5° Carina
NGC 2808
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 6.3 2.6° Carina
Turais
HIP 45556; Iota Carinae
Easy
Bright naked-eye star, mag 2.2
Star mag 2.25 3.1° Carina
V376 Car
Easy
Easy double, sep 40.1″
Double Star mag 4.92 3.5° Carina
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
Carina
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
}