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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:15 
Transit: 12:47 
Sunset: 18:17
sunny   (Daytime)  
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All Constellations »  Boötes »  Deep Sky Objects » 

NGC 5557 - Elliptical Galaxy in Boötes

Above the horizon.  Rise: 3:37 | Tran: 14:04 | Set: 0:32
Alt: 72.69°   Az: 146.12°   Direction: South-East

NGC 5557 is a Elliptical Galaxy in the Boötes constellation. NGC 5557 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its B magnitude of 12.2, NGC 5557 is visible with the help of a telescope having an aperture of 8 inches (200mm) or more.

The image below is a photograph of NGC 5557 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 0.5000x0.5000 degrees (30.00x30.00 arcmins).

Image of NGC 5557 - Elliptical Galaxy in Boötes star
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DSS2 image of NGC 5557 in the Red band. The green region on the image is a representation of the major (2.28 arcmin) and minor (1.12 arcmin) axes of the object's apparent size.

Celestial Coordinates

Apparent

14h 19m 28s
+36° 22’ 48”
23h 12m 26s
13h 31m 55s

J2000

14h 18m 25s
+36° 29’ 36”

Finder Chart

The simplified sky charts below show the position of NGC 5557 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.

Finder chart NGC 5557 - Elliptical Galaxy in Boötes star
Simplified finder chart for NGC 5557 - Elliptical Galaxy in Boötes.

Finder chart NGC 5557 - Elliptical Galaxy in Boötes star
Simplified finder chart for NGC 5557 - Elliptical Galaxy in Boötes.

Photometric Information

The following table lists the magnitude of NGC 5557 in different bands of the electomagnetic spectrum (when available), from the B band (445nm wavelength, corresponding to the Blue color), to the V band ( 551nm wavelength, corresponding to Green/Yellow color), to the J, H, K bands (corresponding to 1220nm, 1630nm, 2190nm wavelengths respectively, which are colors not visible to the human eye).

12.2
9.03
8.34
8.08

For more information about photometry in astronomy, check the photometric system article on Wikipedia.

The surface brightess reported below is an indication of the brightness per unit of angular area of NGC 5557.

22.54 mag/arcsec2

Apparent Size

The following table reports NGC 5557 apparent angular size. The green area displayed on top of the DSS2 image of NGC 5557 is a visual representation of it.
2.28 arcmin
1.12 arcmin
97°

Morphological Classification

NGC 5557 - Elliptical Galaxy in Boötes is classified as Elliptical (E) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 5557 - Elliptical Galaxy in Boötes in the Hubble de Vaucouleurs sequence.

NGC 5557 - Elliptical Galaxy in Boötes
Visualization of the morphological classification of NGC 5557 - Elliptical Galaxy in Boötes, Elliptical (E).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Rise and Set Times

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

Today's NGC 5557 - Elliptical Galaxy in Boötes rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.6°
Max altitude: 74.9°
Azimuth: 306.4°