Menu

Psi Aurigae — Variable Star in Auriga

HIP 30520; Psi1 Aurigae; 46 Aurigae

Observable Variable Star Excellent (62/100)

Range: 4.54 - 5.7, Period: 175.0d, Type: SRC

Magnitude 4.8–5.7m VariableStar Auriga (Aur) Visible
Star Map
+ List + Plan

Observe

1Physical Properties

Magnitude 4.91
Range 4.54 - 5.7
Period 175 days
Variable Type Semi-Regular Variable (Supergiant)
Spectral Type K5-M0Iab-Ib
Star Color Red (B-V 1.97) (reddened by dust)
Distance 466 ly

2Position & Identifiers

RA 06h 24m 53.9s
Dec +49° 17' 17.0"
Constellation Auriga (Aur)
HR 2289
HIP 30520
HD 44537
SAO 41076
Bayer Psi1
Flamsteed 46 Aur
Variable ID Psi1 Aur

3How easy to follow?

Magnitude 4.8 – 5.7 mag Amplitude 1.0 mag Period 175 d Type SRC
Sign in and configure your equipment and default location to see a personalized row.
Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Hard Hard V. hard+
50mm finder Medium+ Medium+ Medium+
150mm scope Medium+ Medium+ Medium+
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…

6Light Curve

7Comparison Stars

Nearby stable stars for estimating brightness (AAVSO)

Loading comparison stars…

Explore

8

Size Comparison

Querying VizieR for stellar data…
9

Compare Stars

10

Spectral Classification

11

Hertzsprung-Russell Diagram

Loading HR diagram…
12

Stellar Lifecycle

13

Blackbody Spectrum

14

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

15

Stellar Fusion

Discover

16Stellar Notes

Lc? 4.75 - 5.70V, 6.6 - 7.2p.
17

Light Travel Time Machine

18

Relativistic Travel

}