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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:38  
clear_day Transit: 12:10  
SunsetSet: 17:43
sleep NighttimeWhat's Visible Now?
All Constellations » Taurus » 


Altitude: 6.1°   Azimuth: 266.9°   Direction: West

HR1257 is a sub-giant star in the constellation of Taurus.

HR1257 visual magnitude is 5.36. Because of its reltive faintness, HR1257 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR1257 is 0.147 arcsec per year in Right Ascension and -0.125 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR1257 star
DSS2 image of HR1257. The red arrow shows the motion of HR1257 during the next 1000 years (2.45 arcmin in Right Ascension and -2.08 arcmin in declination);

Key facts about HR1257


HR1257 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.1°
Azimuth: 266.9°
Direction: West

Celestial coordinates and finder chart of HR1257

HR1257 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1257 are provided in the following table:

04h 04m 09s
+02° 49’ 36”

The simplified sky map below shows the position of HR1257 in the sky:

Finder chart HR1257 star
Simplified finder chart for HR1257.

Visibility of HR1257 from your location

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

Today's HR1257 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 87.2°
Max altitude: 41.3°
Azimuth: 272.8°

Distance of HR1257 from the Sun and relative movement

HR1257 is distant 112.92 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

34.64 pc
112.92 ly
-18 km/s
0.147 arcsec/year
-0.125 arcsec/year

Spectral properties of HR1257

HR1257 belongs to spectral class F6 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR1257 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1257. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1257