Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:43  
clear_day Transit: 12:58  
SunsetSet: 21:13 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Camelopardalis » 

HR1491

Altitude: 38.9°   Azimuth: 8.9°   Direction: North

HR1491 is a double sub-giant star in the constellation of Camelopardalis.

HR1491 visual magnitude is 6.06. Because of its reltive faintness, HR1491 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 HR1491:

6.06
Sub-giant

HR1491 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 38.9°
Azimuth: 8.9°
Direction: North

Celestial coordinates and finder chart of HR1491

HR1491 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1491 are provided in the following table:

04h 48m 50s
+75° 56’ 27”
135.73°
19.4°
Camelopardalis

The simplified sky map below shows the position of HR1491 in the sky:

Finder chart HR1491 star
Simplified finder chart for HR1491.

Visibility of HR1491 from your location

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

HR1491 is circumpolar and transits at 11:30 UTC (altitude: 65.5°)

Digitized Sky Survey image of HR1491

The image below is a photograph of HR1491 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 HR1491 is 0.035 arcsec per year in Right Ascension and -0.135 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR1491 star
DSS2 image of HR1491. The red arrow shows the motion of HR1491 during the next 1000 years (0.58 arcmin in Right Ascension and -2.25 arcmin in declination);

Distance of HR1491 from the Sun and relative movement

HR1491 is distant 148.72 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

45.62 pc
148.72 ly
-6 km/s
0.035 arcsec/year
-0.135 arcsec/year

Spectral properties of HR1491

HR1491 belongs to spectral class A9 and has a luminosity class of IV corresponding to a sub-giant star.

2.76
A9IV
7591K

The red dot in the diagram below shows where HR1491 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1491. Attribution: Richard Powell / CC BY-SA

HR1491 star system properties

HR1491 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR1491 double sysyem:

6.06
12.06
6
96.9 arcsec

Alternative designations of HR1491

SAO5309
SAO5309