HR7077

HR7077 is a variable star in the constellation of Sagittarius.

HR7077 visual magnitude is 6.75. Because of its reltive faintness, HR7077 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 HR7077:

Color of HR7077 ⬤

Magnitude of HR7077 6.75

Class

VISIBILITY RIGHT NOW HR7077 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 7°.

Celestial coordinates and finder chart of HR7077

HR7077 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 HR7077 are provided in the following table:

Right Ascension J2000 18h 49m 35s

Declination J2000 -19° 08’ 31”

Galactic Longitude 15.57°

Galactic Latitude -8.21°

Constellation Sagittarius

The simplified sky map below shows the position of HR7077 in the sky:

Simplified finder chart for HR7077.

Visibility of HR7077 from your location

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

Today's HR7077 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.1° RISE 3:16

Max altitude: 19.4° TRANSIT 7:31

Azimuth: 250.9° SET 11:47

RIGHT NOW HR7077 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7077

The image below is a photograph of HR7077 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 HR7077 is 0.017 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7077. The red arrow shows the motion of HR7077 during the next 10000 years (2.83 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR7077 from the Sun and relative movement

HR7077 is distant 418.49 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

Distance (parsec) 128.37 pc

Distance (light year) 418.49 ly

Heliocentric radial velocity -43 km/s

Proper Motion RA 0.017 arcsec/year

Proper Motion Dec 0.01 arcsec/year

Spectral properties of HR7077

HR7077 belongs to spectral class A1

Absolute magnitude 1.21

Spectral Type A1

Color Index (B-V) 0.2

Temperature of HR7077 8163K

The red dot in the diagram below shows where HR7077 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7077. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7077

Henry Draper Catalogue HD174115

SAO Catalogue SAO161871

Hipparcos Catalogue HIP92384

Durchmusterung Catalogue BD-19 5182

General Catalogue of Variable Stars Var?

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In Evidence

Other stars in Sagittarius