δ3 Tauri (delta3 Tauri)

Below the horizon. Rise: 5:51 | Tran: 13:25 | Set: 20:59

Alt: -6.26° Az: 50.47° Direction: North-East

δ3 Tauri is a variable and multiple sub-giant star of spectral class A2 in the constellation of Taurus.

δ3 Tauri visual magnitude is 4.29. Because of its moderate brightness, δ3 Tauri is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of δ3 Tauri. The red arrow shows the motion of δ3 Tauri during the next 1000 years (1.80 arcmin in Right Ascension and -0.47 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 26m 57s

Declination +17° 59’ 03”

Hour Angle 15h 34m 50s

Sidereal Time 20h 01m 47s

J2000

Right Ascension 04h 25m 29s

Declination +17° 55’ 41”

Galactic Coordinates

Galactic Longitude 178.12°

Galactic Latitude -21.3°

Finder Chart

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Finder chart for δ3 Tauri (delta3 Tauri).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.29

Class Sub-giant

Absolute magnitude 1.01

Spectral Type A2IV

Color Index (B-V) 0.05

Temperature 9542K

The red dot in the diagram below shows where δ3 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of δ3 Tauri. Attribution: Richard Powell / CC BY-SA

Star System Properties

δ3 Tauri is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the δ3 Tauri double sysyem:

Main star magnitude 4.29

Secondary star magnitude 7.99

Magnitude difference 3.7

Separation 1.5 arcsec

Distance, Radial Speed, Proper Motion

δ3 Tauri is distant 147.85 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

Distance (parsec) 45.35

Distance (light year) 147.85

Radial Speed 35 km/s

Proper Motion RA 0.108 arcsec/y

Proper Motion Dec -0.028"/y

Alternative Designations

Bayer designation δ3 Tauri
(delta3 Tauri)

Flamsteed designation 68 Tauri

Henry Draper Catalogue HD27962

SAO Catalogue SAO93923

Hipparcos Catalogue HIP20648

Durchmusterung Catalogue BD+17 719

General Catalogue of Variable Stars V776 Tau

Aitken Double Star Catalogue ADS3206

Visibility from Your Location

Today's δ3 Tauri (delta3 Tauri) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 72.0° RISE 5:51

Max altitude: 56.5° TRANSIT 13:25

Azimuth: 288.0° SET 20:59

Set Location

Other stars in Taurus