Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:38  ☀️ Transit: 13:03  🌅 Sunset: 19:28

HR1639

HR1639 is a main-sequence star in the constellation of Auriga.

HR1639 visual magnitude is 6.52. Because of its reltive faintness, HR1639 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 HR1639:

6.52
Main-sequence
HR1639 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 27°.

Celestial coordinates and finder chart of HR1639

HR1639 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1639 are provided in the following table:

05h 06m 00s
+35° 56’ 11”
169.53°
-3°
Auriga

The simplified sky map below shows the position of HR1639 in the sky:

Finder chart HR1639 star
Simplified finder chart for HR1639.

Visibility of HR1639 from your location

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

Today's HR1639 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 54.1°
Max altitude: 74.5°
Azimuth: 305.9°
HR1639 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1639

The image below is a photograph of HR1639 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 HR1639 is -0.011 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.

Image of HR1639 star
DSS2 image of HR1639. The red arrow shows the motion of HR1639 during the next 10000 years (-1.83 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR1639 from the Sun and relative movement

HR1639 is distant 268.53 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

82.37 pc
268.53 ly
14 km/s
-0.011 arcsec/year
-0.01 arcsec/year

Spectral properties of HR1639

HR1639 belongs to spectral class A5 and has a luminosity class of V corresponding to a main-sequence star.

1.94
A5V
8486K

The red dot in the diagram below shows where HR1639 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1639. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1639

SAO57629
SAO57629