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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations » Taurus » 

HR1997

Altitude: -11.2°   Azimuth: 33.6°   Direction: North-North-East

HR1997 is a multiple main-sequence star in the constellation of Taurus.

HR1997 visual magnitude is 6.07. Because of its reltive faintness, HR1997 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 HR1997 is 0.014 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1997 star
DSS2 image of HR1997. The red arrow shows the motion of HR1997 during the next 10000 years (2.33 arcmin in Right Ascension and -2.67 arcmin in declination);

Key facts about HR1997

6.07
Main-sequence

HR1997 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -11.2°
Azimuth: 33.6°
Direction: North-North-East

Celestial coordinates and finder chart of HR1997

HR1997 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 HR1997 are provided in the following table:

05h 48m 22s
+20° 52’ 09”
187.23°
-3.64°
Taurus

The simplified sky map below shows the position of HR1997 in the sky:

Finder chart HR1997 star
Simplified finder chart for HR1997.

Visibility of HR1997 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 HR1997 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: 69.1°
Max altitude: 59.4°
Azimuth: 290.9°

Distance of HR1997 from the Sun and relative movement

HR1997 is distant 594.89 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

182.48 pc
594.89 ly
7 km/s
0.014 arcsec/year
-0.016 arcsec/year

Spectral properties of HR1997

HR1997 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

-0.24
B9V
11247K

The red dot in the diagram below shows where HR1997 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1997. Attribution: Richard Powell / CC BY-SA

HR1997 star system properties

HR1997 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR1997 double sysyem:

6.07
7.47
1.4
0.5 arcsec

Alternative designations of HR1997

SAO77578
SAO77578