We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate Now! Help keep this site free and ads-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Cancer » 

Tegmine - ζ1 Cancri (zeta1 Cancri)

Altitude: -13.1°   Azimuth: 37.5°   Direction: North-East

Tegmine, also designated as ζ1 Cancri (zeta1 Cancri), is a multiple main-sequence star in the constellation of Cancer.

Tegmine visual magnitude is 5.63. Because of its reltive faintness, Tegmine 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 Tegmine is 0.066 arcsec per year in Right Ascension and -0.135 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Tegmine - ζ1 Cancri (zeta1 Cancri) star
DSS2 image of Tegmine. The red arrow shows the motion of Tegmine during the next 1000 years (1.10 arcmin in Right Ascension and -2.25 arcmin in declination);

Key facts about Tegmine

5.63
Main-sequence

Tegmine - ζ1 Cancri (zeta1 Cancri) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -13.1°
Azimuth: 37.5°
Direction: North-East

Celestial coordinates and finder chart of Tegmine

Tegmine 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 Tegmine are provided in the following table:

08h 12m 12s
+17° 38’ 52”
205.3°
25.53°
Cancer

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

Finder chart Tegmine - ζ1 Cancri (zeta1 Cancri) star
Simplified finder chart for Tegmine - ζ1 Cancri (zeta1 Cancri).

Visibility of Tegmine 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 Tegmine - ζ1 Cancri (zeta1 Cancri) 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: 72.4°
Max altitude: 56.2°
Azimuth: 287.6°

Spectral properties of Tegmine

Tegmine belongs to spectral class F8 and has a luminosity class of V corresponding to a main-sequence star.

F8V
6213K

Tegmine star system properties

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

5.63
6.03
0.4
0.9 arcsec

Alternative designations of Tegmine

Tegmine
ζ1 Cancri
(zeta1 Cancri)
SAO97645
SAO97645