HR7909

Below the horizon. Rise: 21:22 | Tran: 2:35 | Set: 7:49

Alt: -32.46° Az: 116.60° Direction: South-South-West

HR7909 is a hypergiant star of spectral class M0 in the constellation of Microscopium.

HR7909 visual magnitude is 5.76. Because of its faintness, HR7909 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 HR7909. The red arrow shows the motion of HR7909 during the next 1000 years (1.88 arcmin in Right Ascension and -1.08 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 42m 57s

Declination -31° 30’ 22”

Hour Angle 16h 08m 56s

Sidereal Time 12h 51m 54s

J2000

Right Ascension 20h 41m 23s

Declination -31° 35’ 53”

Galactic Coordinates

Galactic Longitude 12.13°

Galactic Latitude -36.07°

Finder Chart

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Finder chart for HR7909.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.76

Class Hypergiant

Absolute magnitude 0.21

Spectral Type M0III

Color Index (B-V) 1.53

Temperature 3749K

The red dot in the diagram below shows where HR7909 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7909. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7909 is distant 419.02 light years from the Sun and it is moving towards the Sun at the speed of 97 kilometers per second.

Distance (parsec) 128.53

Distance (light year) 419.02

Radial Speed -97 km/s

Proper Motion RA 0.113 arcsec/y

Proper Motion Dec -0.065"/y

Alternative Designations

Henry Draper Catalogue HD196917

SAO Catalogue SAO212345

Hipparcos Catalogue HIP102092

Durchmusterung Catalogue CD-3216130

FK5 Catalogue 3652

Visibility from Your Location

Today's HR7909 rise, transit and set times from Gadu, Philippines are the following (all times relative to the local timezone Asia/Manila):

Azimuth: 121.5° RISE 21:22

Max altitude: 40.9° TRANSIT 2:35

Azimuth: 238.5° SET 7:49

Name:	Gadu, Philippines
Latitude:	17° 37' 45.1" N
Longitude:	121° 36' 36.0" E
Timezone:	Asia/Manila

Set Location

Other stars in Microscopium