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🌎  Greenwich, United Kingdom [change]

HR1668

HR1668 is a main-sequence star in the constellation of Auriga.

HR1668 visual magnitude is 5.68. Because of its reltive faintness, HR1668 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR1668:

5.68
Main-sequence
HR1668 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 67°.

Celestial coordinates and finder chart of HR1668

HR1668 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1668 are provided in the following table:

05h 10m 42s
+46° 57’ 43”
161.2°
4.29°
Auriga

The simplified sky map below shows the position of HR1668 in the sky:

Finder chart HR1668 star
Simplified finder chart for HR1668.

Visibility of HR1668 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR1668 is circumpolar and transits at 04:07 UTC (altitude: 85.5°)

Digitized Sky Survey image of HR1668

The image below is a photograph of HR1668 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR1668 is 0.055 arcsec per year in Right Ascension and -0.147 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR1668 star
DSS2 image of HR1668. The red arrow shows the motion of HR1668 during the next 1000 years (0.92 arcmin in Right Ascension and -2.45 arcmin in declination);

Distance of HR1668 from the Sun and relative movement

HR1668 is distant 150.65 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

46.21 pc
150.65 ly
33 km/s
0.055 arcsec/year
-0.147 arcsec/year

Spectral properties of HR1668

HR1668 belongs to spectral class F5 and has a luminosity class of V corresponding to a main-sequence star.

2.36
F5V
6776K

The red dot in the diagram below shows where HR1668 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1668. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1668

SAO40077
SAO40077