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Ω_matter

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Results for object NGC 7387 (ABELL 2506:[CBW93] G)

Overview
Cross-IDs (26)
Coordinates (12)
Redshifts (9)
Distances (1)
Classifications (4)
Galactic Extinctions
Notes (1)
Diameters (6)
Photometry & SED (39)
Images (2)
References (42)
External Links
Survey Coverage

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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 NGC 7387†. More information in the tabs above.
Cross-identifications				Essential note
NGC 7387; CGCG 430-019; CGCG 2247.8+1122; MCG +02-58-022; GIN 668
Coordinates for Preferred Position
Equatorial (J2000)					Galactic
RA, Dec	RA, Dec [Deg]	Unc Semi-major,minor ["]	Unc PA [deg]	Reference	Lon, Lat [deg]
22h50m17.643s, +11d38m12.20s	342.573512, 11.636723	5.00E-01, 5.00E-01	0	1987AJ.....94..501K	81.779066, -41.357143
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
0.02374 +/- 0.00004	7117.973327 +/- 11.092322	1999MNRAS.305..259W	6750 +/- 28	99.55 +/- 6.98	1
Classifications
Object Type	Morphology	Reference	Activity Type	Reference	Other
G	S0^-:	1991RC3.9.C...0000d			S0-:
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_0 (blue)	40.60	1991RC3.9.C...0000d	15.71	0.199	0.022
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
UV	NUV (GALEX) AB	20.3706 +/- 0.207371 mag	2012GASC..C...0000S	-14.14 +/- 0.21 [mag]	6.60E+07 +/- 1.26E+07
Visible	V (V_T^0)	13.80 mag	1991RC3.9.C...0000d	-2.07E+01 [mag]	1.18E+10
Near-IR	H	10.966 +/- 0.030 mag	20032MASX.C.......:	-23.54 +/- 0.03 [mag]	1.52E+10 +/- 4.26E+08
Far-IR
Radio
†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 NGC 7387

Coordinates for NGC 7387

Preferred Position: 22h50m17.643s +11d38m12.20s Equatorial J2000.0 ()

Preferred Position of NGC 7387

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)	342.573512	11.636723	22h50m17.643s	+11d38m12.20s	5.00E-01	5.00E-01	0
RA/Dec Equatorial (B1950.0)	341.950071	11.371572	22h47m48.017s	+11d22m17.66s	5.00E-01	5.00E-01	0
Galactic	81.779066	-41.357143			5.00E-01	5.00E-01	0
Supergalactic	300.333292	32.872257			5.00E-01	5.00E-01	0
Ecliptic (J2000.0)	348.572827	17.562137			5.00E-01	5.00E-01	0
Ecliptic (B1950.0)	347.876306	17.562955			5.00E-01	5.00E-01	0

Measured Positions for NGC 7387

Redshifts and Derived Quantities for NGC 7387

Preferred Redshift: Z = 0.02374, H₀ = 67.8 km/sec/Mpc, Ωmatter = 0.308, Ωvacuum = 0.698

Quantities Derived from Preferred Redshift for NGC 7387

Calculated and Corrected Velocities
Type	Velocities	Reference
V (Heliocentric)	7118 ± 11 km/s	1999MNRAS.305..259W
V (Kinematic LSR)	7125 ± 11 km/s	1986MNRAS.221.1023K
V (Galactocentric GSR)	7287 ± 13 km/s	1991RC3.9.C...0000d
V (Local Group)	7365 ± 18 km/s	1996AJ....111..794K
V (3K CMB)	6750 ± 28 km/s	1996ApJ...473..576F
V (Virgo Infall only)	7223 ± 21 km/s	2000ApJ...529..786M
V (Virgo + GA only)	7103 ± 23 km/s	2000ApJ...529..786M
V (Virgo + GA + Shapley)	7092 ± 23 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)	107.47 ± 7.53 Mpc	(m-M) = 35.16 ± 0.15 mag
D (Local Group)	108.62 ± 7.61 Mpc	(m-M) = 35.18 ± 0.15 mag
D (3K CMB)	99.55 ± 6.98 Mpc	(m-M) = 34.99 ± 0.15 mag
D (Virgo Infall only)	106.54 ± 7.46 Mpc	(m-M) = 35.14 ± 0.15 mag
D (Virgo + GA only)	104.76 ± 7.34 Mpc	(m-M) = 35.10 ± 0.15 mag
D (Virgo + GA + Shapley)	104.60 ± 7.32 Mpc	(m-M) = 35.10 ± 0.15 mag

Scale at Hubble Flow Distances
Type	Values
Scale (Galactocentric GSR)	521 pc/arcsec = 0.521 kpc/arcsec = 31.26 kpc/arcmin = 1.88 Mpc/degree
Scale (Local Group)	527 pc/arcsec = 0.527 kpc/arcsec = 31.60 kpc/arcmin = 1.90 Mpc/degree
Scale (3K CMB)	483 pc/arcsec = 0.483 kpc/arcsec = 28.96 kpc/arcmin = 1.74 Mpc/degree
Scale (Virgo Infall only)	517 pc/arcsec = 0.517 kpc/arcsec = 30.99 kpc/arcmin = 1.86 Mpc/degree
Scale (Virgo + GA only)	508 pc/arcsec = 0.508 kpc/arcsec = 30.47 kpc/arcmin = 1.83 Mpc/degree
Scale (Virgo + GA + Shapley)	507 pc/arcsec = 0.507 kpc/arcsec = 30.43 kpc/arcmin = 1.83 Mpc/degree
Cosmology-Corrected Quantities [H₀ = 67.8 km/sec/Mpc, Ω_matter = 0.308, Ω_vacuum = 0.698]
[Redshift 0.022515 as corrected to the Reference Frame defined by the 3K CMB]
Type	Values
Luminosity Distance	101 Mpc (m-M) = 35.03 mag
Angular-Size Distance	96.9 (m-M) = 34.93 mag
Co-Moving Radial Distance	99 (m-M) = 34.98 mag
Co-Moving Tangential Distance	99 (m-M) = 34.98 mag
Co-Moving Volume	0.00407 Gpc^3
Light Travel-Time	0.319 Gyr
Age at Redshift 0.022515	13.511 Gyr
Age of Universe	13.830 Gyr
Scale (Cosmology Corrected)	470 pc/arcsec = 0.470 kpc/arcsec = 28.18 kpc/arcmin = 1.69 Mpc/degree
Surface Brightness Dimming	Flux Density per Unit Area = 0.91479; Magnitude per Unit Area = 0.0967 mag

Measured Redshifts of NGC 7387

Images for object NGC 7387 (ABELL 2506:[CBW93] G)

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 NGC 7387

External Resource Links for NGC 7387

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Help Detailed Information for a Named Object

Results for object NGC 7387 (ABELL 2506:[CBW93] G)

Images for object NGC 7387 (ABELL 2506:[CBW93] G)