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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
north SunriseRise: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sleep NighttimeWhat's Visible Now?
All Constellations » Puppis » 

HR3237

Altitude: -40.4°   Azimuth: 99.6°   Direction: East

HR3237 is a variable giant star in the constellation of Puppis.

HR3237 visual magnitude is 4.78. Because of its moderate brightness, HR3237 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR3237:

4.78
Giant

HR3237 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -40.4°
Azimuth: 99.6°
Direction: East

Celestial coordinates and finder chart of HR3237

HR3237 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3237 are provided in the following table:

08h 13m 29s
-35° 53’ 58”
253.58°
-0.84°
Puppis

The simplified sky map below shows the position of HR3237 in the sky:

Finder chart HR3237 star
Simplified finder chart for HR3237.

Visibility of HR3237 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 HR3237 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: 125.9°
Max altitude: 2.6°
Azimuth: 234.1°

Digitized Sky Survey image of HR3237

The image below is a photograph of HR3237 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 HR3237 is 0.002 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3237 star
DSS2 image of HR3237. The red arrow shows the motion of HR3237 during the next 100000 years (3.33 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR3237 from the Sun and relative movement

HR3237 is distant 978.98 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

300.30 pc
978.98 ly
35 km/s
0.002 arcsec/year
-0.002 arcsec/year

Spectral properties of HR3237

HR3237 belongs to spectral class B1 and has a luminosity class of III corresponding to a giant star.

-2.61
B1III
11744K

The red dot in the diagram below shows where HR3237 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3237. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3237

SAO198957
SAO198957