HR3745

Above the horizon. Rise: 13:16 | Tran: 16:19 | Set: 19:23

Alt: 9.51° Az: 175.82° Direction: South-South-West

HR3745 is a variable and double main-sequence star of spectral class B6 in the constellation of Pyxis.

HR3745 visual magnitude is 6.1. Because of its faintness, HR3745 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR3745. The red arrow shows the motion of HR3745 during the next 10000 years (-4.50 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 27m 51s

Declination -28° 53’ 56”

Hour Angle 23h 41m 09s

Sidereal Time 09h 09m 01s

J2000

Right Ascension 09h 26m 44s

Declination -28° 47’ 15”

Galactic Coordinates

Galactic Longitude 257.78°

Galactic Latitude 15.63°

Finder Chart

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Finder chart for HR3745.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.1

Class Main-sequence

Absolute magnitude -2.34

Spectral Type B6V

Color Index (B-V) -0.1

Temperature 11573K

The red dot in the diagram below shows where HR3745 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3745. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3745 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 HR3745 double sysyem:

Main star magnitude 6.1

Secondary star magnitude 6.8

Magnitude difference 0.7

Separation 0.5 arcsec

Distance, Radial Speed, Proper Motion

HR3745 is distant 1,590.24 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 487.80

Distance (light year) 1,590.24

Radial Speed 4 km/s

Proper Motion RA -0.027 arcsec/y

Proper Motion Dec -0.001"/y

Alternative Designations

Henry Draper Catalogue HD81753

SAO Catalogue SAO177461

Hipparcos Catalogue HIP46329

Durchmusterung Catalogue CD-28 7271

General Catalogue of Variable Stars 4492

Aitken Double Star Catalogue ADS7379

Visibility from Your Location

Today's HR3745 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.9° RISE 13:16

Max altitude: 9.6° TRANSIT 16:19

Azimuth: 241.1° SET 19:23

Set Location

Other stars in Pyxis