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Results for object MESSIER 087 (NGC 4486)

Overview
Cross-IDs (97)
Coordinates (70)
Redshifts (50)
Distances (67)
Classifications (96)
Galactic Extinctions
Notes (55)
Diameters (8)
Photometry & SED (413)
Spectra (12)
Images (194)
References (2881)
External Links

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POSS-II F (North), AAO-SES/SERC-ER (South), Red image
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Image Credit: Caltech or AAO/ROE

Selected data and derived quantities for MESSIER 087†. More information in the tabs above.
Cross-identifications				Essential note
MESSIER 087; NGC 4486; Virgo A; UGC 07654; ARP 152
Coordinates for Preferred Position
Equatorial (J2000)					Galactic
RA, Dec	RA, Dec [Deg]	Unc Semi-major,minor ["]	Unc PA [deg]	Reference	Lon, Lat [deg]
12h30m49.4233s, +12d23m28.043s	187.705930, 12.391123	6.50E-04, 6.30E-04	90	2004AJ....127.3587F	283.777798, 74.491131
Preferred Redshift & Derived Quantities [H₀ = 67.8 km/sec/Mpc], Ωmatter = 0.308, Ωvacuum = 0.698]					Redshift-independent Distances
z (Helio)	V (Helio) [km/s]	Reference	V (CMB) [km/s]	Hubble Distance (CMB) [Mpc]	# Measurements
0.00428 +/- 0.00002	1284.011278 +/- 5.096472	2011MNRAS.413..813C	1613 +/- 24	23.79 +/- 1.70	67
Classifications
Object Type	Morphology	Reference	Activity Type	Reference	Other
G	cD pec	1991RC3.9.C...0000d	S3	2006A&A...455..773V	E+0-1 pec;NLRG Sy
Quick-look Angular & Physical Diameters				Foreground Galactic Extinction (2011ApJ...737..103S)
Passband	Diameter ["]	Reference	Diameter [kpc]	A_λ [mag] V	A_λ [mag] K
RC3 D_25; R_25 (blue)	499.10	1991RC3.9.C...0000d	40.00	0.063	0.007
Quick-look Photometry & Luminosities (brightest flux in each spectral region)
Spectral region	Band	Apparent mag or flux	Reference	Absolute Mag or νL_ν [W]	νL_ν [L_☉(bol)]
X-Ray	0.1-2.4 keV (ROSAT)	1.05E-10 +/- 1.99E-12 ergs sec^-1^ cm^-2^	1994A&A...281..355B	3.43E+35 +/- 1.75E+34 [W]	8.93E+08 +/- 4.56E+07
UV	UVW1 (Swift) AB	12.88 +/- 0.10 mag	2014ApJS..212...18B	-18.18 +/- 0.16 [mag]	2.50E+09 +/- 2.60E+08
Visible	F850LP (HST/ACS) AB	7.19 mag	2006ApJS..164..334F	-2.39E+01 [mag]	1.30E+11
Near-IR	K	3.87E-23 +/- 0.01E-23 W cm^-2 Hz^-1 sr^-1	1983ApJ...265L..55B	1.61E+36 +/- 1.45E+35 [W]	4.18E+09 +/- 3.77E+08
Far-IR	160 microns (MIPS)	896 +/- 91 milliJy	2009ApJ...707..890T	5.63E+34 +/- 6.30E+33 [W]	1.46E+08 +/- 1.64E+07
Radio	10 MHz	11090 +/- 1995.00 Jy	1981A&AS...45..367K	3.63E+33 +/- 6.73E+32 [W]	9.44E+06 +/- 1.75E+06
†Derived quantities are based on the median redshift-independent distance when available, otherwise the preferred redshift is used with the selected cosmological parameters (which can be changed in search options).
Cosmological params can be changed in search options.

Cross-identifications for MESSIER 087

Coordinates for MESSIER 087

Preferred Position: 12h30m49.4233s +12d23m28.043s Equatorial J2000.0 ()

Preferred Position of MESSIER 087

Reference Frame	Longitude	Latitude	Longitude	Latitude	Uncertainty Ellipse (arcsec)
	Decimal Degrees	Decimal Degrees	Sexagesimal	Sexagesimal	Semimajor (a)	Semiminor (b)	PA (deg)
RA/Dec Equatorial (J2000.0)	187.705930	12.391123	12h30m49.4233s	+12d23m28.043s	6.50E-04	6.30E-04	90
RA/Dec Equatorial (B1950.0)	187.073228	12.667189	12h28m17.5748s	+12d40m01.880s	6.50E-04	6.30E-04	90
Galactic	283.777798	74.491131			6.50E-04	6.30E-04	73
Supergalactic	102.880599	-2.347922			6.50E-04	6.30E-04	17
Ecliptic (J2000.0)	182.059261	14.416686			6.50E-04	6.30E-04	66
Ecliptic (B1950.0)	181.359070	14.417409			6.50E-04	6.30E-04	66

Measured Positions for MESSIER 087

Redshifts and Derived Quantities for MESSIER 087

Preferred Redshift: Z = 0.00428, H₀ = 67.8 km/sec/Mpc, Ωmatter = 0.308, Ωvacuum = 0.698

Quantities Derived from Preferred Redshift for MESSIER 087

Calculated and Corrected Velocities
Type	Velocities	Reference
V (Heliocentric)	1284 ± 5 km/s	2011MNRAS.413..813C
V (Kinematic LSR)	1288 ± 5 km/s	1986MNRAS.221.1023K
V (Galactocentric GSR)	1231 ± 6 km/s	1991RC3.9.C...0000d
V (Local Group)	1180 ± 8 km/s	1996AJ....111..794K
V (3K CMB)	1613 ± 24 km/s	1996ApJ...473..576F
V (Virgo Infall only)	957 ± 18 km/s	2000ApJ...529..786M
V (Virgo + GA only)	1016 ± 18 km/s	2000ApJ...529..786M
V (Virgo + GA + Shapley)	1017 ± 18 km/s	2000ApJ...529..786M
Hubble Flow Distance and Distance Modulus (where H₀ = 67.8 km/sec/Mpc ± km/sec/Mpc)
Type	Distance	Modulus
D (Galactocentric GSR)	18.16 ± 1.27 Mpc	(m-M) = 31.30 ± 0.15 mag
D (Local Group)	17.40 ± 1.22 Mpc	(m-M) = 31.20 ± 0.15 mag
D (3K CMB)	23.79 ± 1.70 Mpc	(m-M) = 31.88 ± 0.15 mag
D (Virgo Infall only)	14.12 ± 1.02 Mpc	(m-M) = 30.75 ± 0.15 mag
D (Virgo + GA only)	14.99 ± 1.05 Mpc	(m-M) = 30.88 ± 0.15 mag
D (Virgo + GA + Shapley)	15.00 ± 1.05 Mpc	(m-M) = 30.88 ± 0.15 mag

Scale at Hubble Flow Distances
Type	Values
Scale (Galactocentric GSR)	88 pc/arcsec = 0.088 kpc/arcsec = 5.28 kpc/arcmin = 0.32 Mpc/degree
Scale (Local Group)	84 pc/arcsec = 0.084 kpc/arcsec = 5.06 kpc/arcmin = 0.30 Mpc/degree
Scale (3K CMB)	115 pc/arcsec = 0.115 kpc/arcsec = 6.92 kpc/arcmin = 0.42 Mpc/degree
Scale (Virgo Infall only)	68 pc/arcsec = 0.068 kpc/arcsec = 4.11 kpc/arcmin = 0.25 Mpc/degree
Scale (Virgo + GA only)	73 pc/arcsec = 0.073 kpc/arcsec = 4.36 kpc/arcmin = 0.26 Mpc/degree
Scale (Virgo + GA + Shapley)	73 pc/arcsec = 0.073 kpc/arcsec = 4.36 kpc/arcmin = 0.26 Mpc/degree
Cosmology-Corrected Quantities [H₀ = 67.8 km/sec/Mpc, Ω_matter = 0.308, Ω_vacuum = 0.698]
[Redshift 0.005380 as corrected to the Reference Frame defined by the 3K CMB]
Type	Values
Luminosity Distance	23.9 Mpc (m-M) = 31.89 mag
Angular-Size Distance	23.6 (m-M) = 31.87 mag
Co-Moving Radial Distance	23.8 (m-M) = 31.88 mag
Co-Moving Tangential Distance	23.8 (m-M) = 31.88 mag
Co-Moving Volume	5.62e-05 Gpc^3
Light Travel-Time	0.077 Gyr
Age at Redshift 0.005380	13.753 Gyr
Age of Universe	13.830 Gyr
Scale (Cosmology Corrected)	115 pc/arcsec = 0.115 kpc/arcsec = 6.87 kpc/arcmin = 0.41 Mpc/degree
Surface Brightness Dimming	Flux Density per Unit Area = 0.97877; Magnitude per Unit Area = 0.0233 mag

Measured Redshifts of MESSIER 087

Images for object MESSIER 087 (NGC 4486)

POSS-II F (North), AAO-SES/SERC-ER (South), Red image
View in IRSA Finderchart

Image Credit: Caltech or AAO/ROE

Preview	File Size KB	Information	Lambda m	Clambda	Spectral Region	Band	FOV 1 arcmin	FOV 2 arcmin	Res. arcsec	Telescope	Refcode
Preview	File Size KB	Information	Lambda m	Clambda	Spectral Region	Band	FOV 1 arcmin	FOV 2 arcmin	Res. arcsec	Telescope	Refcode

Literature References for MESSIER 087

External Resource Links for MESSIER 087

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Results for object MESSIER 087 (NGC 4486)

Images for object MESSIER 087 (NGC 4486)