Basic object information

Name: M 63
Type of object: Galaxy
Magnitude: 9.3
Surface brightness: 12.4 mag/sq arcmin
Size: 12.6'x7.5'
Position angle: 105°

Position (epoch of date)

Right ascension: 13h 15m 59s
Declination: +42° 1' 0"
Constellation: Canes Venatici

Local information

Altitude:  63° 27' 3"
Azimuth: 283° 22' 44"

Rise: 14h 41m 57s  
Transit: 0h 21m 42s
Set: 9h 57m 30s  

Star atlas chart numbers:

Herald-Bobroff Astroatlas, Chart C-29
Millennium Star Atlas, Charts 609-610 (Vol II)
Sky Atlas 2000.0, Chart 7
Uranometria 2000 Chart 76, Vol 1


Revised NGC/IC Catalog Data

Wolfgang Steinicke, Feb 2001

Names and designations

M 63
PGC 46153
NGC 5055
UGC 8334
MCG 7-27-54
ZWG 217.23

Type of object: Galaxy

Catalog position for epoch J2000.0

Right ascension:	13h 15m 49.0s
Declination:		+42° 01' 57"


Object information

Magnitude: 9.3
Size: 12.6'x7.5'
Position angle: 105°

Object classification: Sb-c    
Remarks: Sunflower galaxy

Saguaro Astronomy Club v7.2 Catalog Data

Saguaro Astronomy Club, August 2000

Names and designations

M 63
NGC 5055

Type of object: Galaxy

Catalog position for epoch J2000.0

Right ascension:	13h 15m 49.2s
Declination:		+42° 02' 05"

Constellation: Canes Venatici

Object information

Magnitude: 8.6
Size: 12.6'x7.5'
Position angle: 105°

Object classification: Sbc
Description: vB,L,pME120,vsmbM,BN
Notes: vsvB stell. N in B inner lens;many filam

LEDA Catalog Data

Lyon-Meudon Extragalactic Database (LEDA) supplied by the LEDA team at the CRAL-Observatoire de Lyon (France)

Names and designations

PGC 46153
MESS 63
NGC 5055
UGC 8334
MCG 7-27- 54
CGCG 217- 23

Position information

Right ascension (J2000.0):	13h 15m 49.2s
Declination (J2000.0):		+42° 02' 05"
(Coordinates have high accuracy)

Galactic longitude:	106.00°
Galactic latitude:	74.28°

Supergalactic longitude:	76.03°
Supergalactic latitude:	14.25°

Size and shape information

Apparent major isophotal diameter (D25): 13.3'
Mean error in log10 diameter: 0.037
Ratio of major to minor axes (R25): 1.67
Mean error in log10 R25: 0.032
Major axis position angle: 105°
Inclination between line of sight and polar axis: 55.299°
Apparent corrected diameter: 13.7'
Lyon galaxy group membership number: 347

Morphological information

Morphological type: Sbc   
Morphological type code: 3.969
Error in morphological type code: 0.188
Luminosity class code: 3.043
Error in luminosity class code: 0.226

Magnitude and colour index information

Total B magnitude: 9.297
Error in B magnitude: 0.114
Mean surface brightness: 21.326 mag/sq arcsec
Error in surface brightness: 0.490 mag/sq arcsec
Total B-V colour index: 0.720
Effective U-B colour index: 0.030
Effective B-V colour index: 0.800
21cm line width at 20% of peak (w20): 400.000 km/sec
Error in w20: 8.564 km/sec
21cm line width at 50% of peak (w50): 374.249 km/sec
Error in w50: 12.981 km/sec
21cm line flux in magnitude: 10.929
Error in 21cm line flux in magnitude: 0.235
Far infrared magnitude: 8.709
Galactic extinction in B mag: 0.258 mag
Extinction in B mag due to inclination: 0.357 mag
21cm self-absorption in magnitude: 0.029 mag
Luminosity index: 0.697
Total apparent corrected B mag: 8.679
Mean surface brightness within isophote 25: 23.250 mag/sq arcsec
Maximum rotational velocity: 213.3 km/sec
Error in log10 rotational velocity: 0.022
Corrected 21cm line flux in magnitude: 10.899
21cm index bt-am21c in magnitude. 2.220

Radial velocity information

Heliocentric RV from radio measurements: 502.5 km/sec
Error in radio measurements: 6.5 km/sec
Heliocentric RV from optical measurements: 511.1 km/sec
Error in optical measurements: 44.3 km/sec
Mean heliocentric RV: 502.7 km/sec
Error in mean measurements: 6.5 km/sec
RV with respect to local group: 549.3 km/sec
RV with respect to GSR: 569.2 km/sec
RV corrected for infall of LG onto Virgo: 693.3 km/sec
RV with respect to the 3K CMB: 709.4 km/sec
Kinematic distance modulus: 29.829
Absolute B magnitude: -21.150