HR9090

Altitude: -48.5° Azimuth: 323.8° Direction: North-West

HR9090 is a variable star in the constellation of Cetus.

HR9090 visual magnitude is 7.1. Because of its reltive faintness, HR9090 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 HR9090:

Color of HR9090 ⬤

Magnitude of HR9090 7.1

Class

VISIBILITY RIGHT NOW

HR9090 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -48.5°
Azimuth: 323.8°
Direction: North-West

Celestial coordinates and finder chart of HR9090

HR9090 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 HR9090 are provided in the following table:

Right Ascension J2000 00h 02m 07s

Declination J2000 -14° 40’ 33”

Galactic Longitude 77.78°

Galactic Latitude -73.06°

Constellation Cetus

The simplified sky map below shows the position of HR9090 in the sky:

Simplified finder chart for HR9090.

Visibility of HR9090 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 HR9090 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: 104.7° RISE 3:30

Max altitude: 23.8° TRANSIT 8:12

Azimuth: 255.3° SET 12:53

RIGHT NOW HR9090 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR9090

The image below is a photograph of HR9090 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 HR9090 is -0.01 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR9090. The red arrow shows the motion of HR9090 during the next 10000 years (-1.67 arcmin in Right Ascension and -3.17 arcmin in declination);

Spectral properties of HR9090

HR9090 belongs to spectral class S7

Spectral Type S7

Color Index (B-V) 1.8

Temperature of HR9090 3392K

Alternative designations of HR9090

Henry Draper Catalogue HD224960

SAO Catalogue SAO166005

Durchmusterung Catalogue BD-15 6531

General Catalogue of Variable Stars W Cet