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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
SunriseRise: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
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All Constellations » Apus » 

δ1 Apodis (delta1 Apodis)

Altitude: -58.3°   Azimuth: 195.8°   Direction: South-South-West

δ1 Apodis is a variable and multiple giant star in the constellation of Apus.

δ1 Apodis visual magnitude is 4.68. Because of its moderate brightness, δ1 Apodis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of δ1 Apodis is -0.014 arcsec per year in Right Ascension and -0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of δ1 Apodis (delta1 Apodis) star
DSS2 image of δ1 Apodis. The red arrow shows the motion of δ1 Apodis during the next 10000 years (-2.33 arcmin in Right Ascension and -5.83 arcmin in declination);

Key facts about δ1 Apodis

4.68
Giant

δ1 Apodis (delta1 Apodis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -58.3°
Azimuth: 195.8°
Direction: South-South-West

Celestial coordinates and finder chart of δ1 Apodis

δ1 Apodis is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of δ1 Apodis are provided in the following table:

16h 20m 20s
-78° 41’ 44”
312.42°
-19.89°
Apus

The simplified sky map below shows the position of δ1 Apodis in the sky:

Finder chart δ1 Apodis (delta1 Apodis) star
Simplified finder chart for δ1 Apodis (delta1 Apodis).

Visibility of δ1 Apodis from your location

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

δ1 Apodis (delta1 Apodis) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of δ1 Apodis from the Sun and relative movement

δ1 Apodis is distant 765.26 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

234.74 pc
765.26 ly
-12 km/s
-0.014 arcsec/year
-0.035 arcsec/year

Spectral properties of δ1 Apodis

δ1 Apodis belongs to spectral class M5 and has a luminosity class of III corresponding to a giant star.

-2.17
M5III
3528K

The red dot in the diagram below shows where δ1 Apodis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of δ1 Apodis. Attribution: Richard Powell / CC BY-SA

δ1 Apodis star system properties

δ1 Apodis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the δ1 Apodis double sysyem:

4.68
5.08
0.4
102.9 arcsec

Alternative designations of δ1 Apodis

δ1 Apodis
(delta1 Apodis)
SAO257380
SAO257380