HR757

Above the horizon. Rise: 0:10 | Tran: 9:35 | Set: 18:55

Alt: 0.94° Az: 325.45° Direction: South-South-West

HR757 is a hypergiant star of spectral class K0 in the constellation of Triangulum.

HR757 visual magnitude is 6.1. Because of its faintness, HR757 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR757. The red arrow shows the motion of HR757 during the next 10000 years (-7.00 arcmin in Right Ascension and -0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 38m 14s

Declination +31° 43’ 01”

Hour Angle 09h 12m 48s

Sidereal Time 11h 51m 02s

J2000

Right Ascension 02h 36m 42s

Declination +31° 36’ 27”

Galactic Coordinates

Galactic Longitude 147.8°

Galactic Latitude -26.13°

Finder Chart

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Finder chart for HR757.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.1

Class Hypergiant

Absolute magnitude 0.39

Spectral Type K0

Color Index (B-V) 1.05

Temperature 4626K

The red dot in the diagram below shows where HR757 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR757. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR757 is distant 452.15 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 138.70

Distance (light year) 452.15

Radial Speed 3 km/s

Proper Motion RA -0.042 arcsec/y

Proper Motion Dec -0.004"/y

Alternative Designations

Henry Draper Catalogue HD16187

SAO Catalogue SAO55703

Hipparcos Catalogue HIP12160

Durchmusterung Catalogue BD+30 418

Visibility from Your Location

Today's HR757 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.3° RISE 0:10

Max altitude: 70.2° TRANSIT 9:35

Azimuth: 301.7° SET 18:55

Set Location

Other stars in Triangulum