Notes
Outline
The Constellation of
Virgo
Slide 2
Star Map of Virgo
Slide 4
Mythological Background:
Stars and Objects for Telescopes
Stellar:
Binaries gamma Vir
Double star theta Vir, tau Vir
Variable star S Vir
Supernova SN1997X
Virgo - Supercluster
Messier Objects:
Spiral galaxies M58, M61, M90, M104
Elliptical Galaxies M49, M59, M60, M84, M86, M87, M89
Meteor Showers: Eta Virginids, Theta Virginids, Pi Virginids
Stars and Objects for Telescopes
M49 in Virgo
Elliptical Galaxy M49 (NGC 4472), type E4
Right Ascension:
12:29.8 (h:m)
Declination:
+08:00 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
8.4
Apparent Dimension:
 9’ x 7.5’
M58 in Virgo
Spiral Galaxy M58 (NGC 4579), type SBc
Right Ascension:
12:37.7 (h:m)
Declination:
+11:49 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
9.7
Apparent Dimension:
 5.5’ x 4.5’
M59 in Virgo
Elliptical Galaxy M59 (NGC 4621), type E5
Right Ascension:
12:42.0 (h:m)
Declination:
+11:39 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
9.6
Apparent Dimension:
 5’ x 3.5’
M60 in Virgo
Elliptical Galaxy M60 (NGC 4649), type E2
Right Ascension:
12:43.7 (h:m)
Declination:
+11:33 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
8.8
Apparent Dimension:
 7’ x 6’
M61 in Virgo
Spiral Galaxy M61 (NGC 4303), type SABbc
Right Ascension:
12:21.9 (h:m)
Declination:
+4:28 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
9.7
Apparent Dimension:
 6’ x 5.5’
M84 in Virgo
Lenticular (S0) Galaxy M84 (NGC 4374), type S0
Right Ascension:
12:25.1 (h:m)
Declination:
+12:53 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
9.1
Apparent Dimension:
 6’
M86 in Virgo
Lenticular (S0) Galaxy M86 (NGC 4406), type S0
Right Ascension:
12:26.2 (h:m)
Declination:
+12:57 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
8.9
Apparent Dimension:
 7.5’ x 5.5’
M87 in Virgo
Elliptical Galaxy M87 (NGC 4486), type E1
Right Ascension:
12:30.8 (h:m)
Declination:
+12:24 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
8.6
Apparent Dimension:
 7.0’
M89 in Virgo
Elliptical Galaxy M89 (NGC 4552), type E0
Right Ascension:
12:35.7 (h:m)
Declination:
+12:33 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
9.8
Apparent Dimension:
 4.0’
M90 in Virgo
Spiral Galaxy M90 (NGC 4569), type Sb
Right Ascension:
12:36.8 (h:m)
Declination:
+13:10 (deg:m)
Distance:
60000 (kly)
Visual Brightness:
9.5
Apparent Dimension:
 9.5 x 4.5’
M104 in Virgo
Spiral Galaxy M104 (NGC 4594), type Sa
Right Ascension:
12:40.0 (h:m)
Declination:
-11:37 (deg:m)
Distance:
50000 (kly)
Visual Brightness:
8.0
Apparent Dimension:
 9’ x 4’