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NASA/IPAC EXTRAGALACTIC DATABASE Date and Time of the Query: 2019-02-18 T00:52:07 PST Help | Comment | NED Home

You have selected the following parameters to search on:

Velocity(km/s): Unconstrained
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Parameters for Distances and Cosmology: H_o= 73.0; Ω_matter = 0.27; Ω_vacuum = 0.73;
Derived Quantities use a Redshift corrected to a Reference Frame defined by the 3K CMB

Detailed Information for Object No. 1

INDEX for NGC 6391

Essential Data (jump to sub-section of this query report):

Essential Note
Cross-IDs
Coordinates
Basic Data
Quantities Derived from Redshift
Redshift-Independent Distances
Quick-Look Photometry and Luminosities
Quick-Look Angular and Physical Sizes
Classifications
Foreground Galactic Extinction
External Services

Detailed Data (NED queries):

63 Photometric data point(s) and SED

Spectra
Redshift-Independent Distances
24 Reference(s)
10 Position data point(s)
5 Redshift data point(s)
11 Diameter data point(s)

ESSENTIAL NOTE for NGC 6391 (Back to INDEX)

N/A

CROSS-IDENTIFICATIONS for NGC 6391 (Back to INDEX)

Object Names	Type	Object Names	Type
NGC 6391	G	GALEXMSC J172849.03+585102.3	UvS
CGCG 300-041	G	LDCE 1253 NED008	G
CGCG 1728.1+5854	G	HDCE 1006 NED004	G
MCG +10-25-049	G	ASK 020996.0	G
2MASX J17284891+5851032	IrS	FLS26(R) J172848.9+585103	G
2MASS J17284896+5851033	IrS	NSA 004889	G
SDSS J172848.98+585103.1	G	PGC 060358	G
SDSS J172848.98+585103.2	G	UZC J172849.0+585103	G
SDSS J172848.98+585103.4	G	[BFW2006] J262.20411+58.85096	G
SDSS J172848.99+585103.2	G	Mr18:[BFW2006] 05541 NED17	G
SDSS J172848.99+585103.3	G	Mr19:[BFW2006] 10818 NED13	G
GALEXASC J172849.02+585102.4	UvS	Mr20:[BFW2006] 18447 NED03	G

COORDINATES for NGC 6391 (Back to INDEX)

Position Reference:2007SDSS6.C...0000:

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)  262.019864   58.889065 17h28m04.767s +58d53m20.63s  5.00E-01  5.00E-01    0
Equatorial (J2000.0)  262.204113   58.850886 17h28m48.987s +58d51m03.19s  5.00E-01  5.00E-01    0
Ecliptic   (B1950.0)  240.883803   81.522449                              5.00E-01  5.00E-01    0
Ecliptic   (J2000.0)  241.600630   81.516552                              5.00E-01  5.00E-01    0
Galactic               87.428141   33.547909                              5.00E-01  5.00E-01    0
SuperGalactic          41.769825   44.015567                              5.00E-01  5.00E-01    0

Additional detailed measurements with references are also available by clicking below:
10 Position data point(s)

REDSHIFT-INDEPENDENT DISTANCES for NGC 6391 (Back to INDEX)

1 Distances found in NED View 1 Individual Distance Measurement(s) for NGC 6391

Summary Statistics computed by NED from 1 Distance(s) in the literature:
NOTE: These summary statistics are provided for "quick-look" reference only;
they are based exclusively on original values, as published.
No homogenization or corrections have been applied.

NGC 6391	Distance Modulus (mag)	Metric Distance (Mpc)
Mean	35.35	118.000
Std. Dev.	N/A	N/A
Min.	35.35	118.000
Max.	35.35	118.000
Median	35.35	118.000

CLASSIFICATIONS (TYPES, ATTRIBUTES) for NGC 6391 (Back to INDEX)

Type	As Published	NED Homogenized	Flag	Reference Code
Galaxy Morphology	-5	E	...	2010ApJS..186..427N

1 Detailed Classification(s)

FOREGROUND GALACTIC EXTINCTION for NGC 6391 (Back to INDEX)

Galactic Extinction from the Schlafly & Finkbeiner 2011, Appendix; 2011ApJ...737..103S (SF11) recalibration 
of the Schlegel, Finkbeiner & Davis 1998, Appendix B; 1998ApJ...500..525S (SFD98) infrared-based dust map. 
The map is based on dust emission from COBE/DIRBE and IRAS/ISSA; 
the recalibration assumes a Fitzpatrick (1999PASP..111...63F) reddening law with R_v = 3.1 and different source spectrum than SFD98.



     L  a  n  d  o  l  t S  D  S  S U  K  I  R  T
Filter [µm] U (0.35) B (0.43) V (0.54) R (0.64) I (0.80) u (0.36) g (0.47) r (0.62) i (0.75) z (0.89) J (1.25) H (1.66) K (2.19) L' (3.78)
A_λ [mag] 0.134 0.112 0.085 0.067 0.047 0.131 0.102 0.071 0.052 0.039 0.022 0.014 0.009 0.005

  

Show/Hide A_λ magnitudes in all 88 photometric bands based on SF11
 

Bandpass [µm] A_λ [mag]
Landolt U (0.35)  0.134
Landolt B (0.43)  0.112
Landolt V (0.54)  0.085
Landolt R (0.64)  0.067
Landolt I (0.80)  0.047
CTIO U (0.37)  0.127
CTIO B (0.43)  0.113
CTIO V (0.55)  0.083
CTIO R (0.65)  0.066
CTIO I (0.80)  0.047
UKIRT J (1.25)  0.022
UKIRT H (1.66)  0.014
UKIRT K (2.19)  0.009
UKIRT L' (3.78)  0.005
Gunn g (0.52)  0.090
Gunn r (0.66)  0.064
Gunn i (0.79)  0.048
Gunn z (0.91)  0.038
Spinrad R_S (0.69)  0.059
Stromgren u (0.35)  0.133
Stromgren b (0.47)  0.104
Stromgren v (0.41)  0.117
Stromgren beta (0.49)  0.098
Stromgren y (0.55)  0.083
SDSS u (0.36)  0.131
SDSS g (0.47)  0.102
SDSS r (0.62)  0.071
SDSS i (0.75)  0.052
SDSS z (0.89)  0.039
DSS-II g (0.46)  0.105
DSS-II r (0.65)  0.065
DSS-II i (0.81)  0.046
PS1 g (0.49)  0.098
PS1 r (0.62)  0.070
PS1 i (0.75)  0.052
PS1 z (0.87)  0.041
PS1 y (0.97)  0.034
PS1 w (0.62)  0.072
LSST u (0.37)  0.128
LSST g (0.48)  0.100
LSST r (0.62)  0.070
LSST i (0.75)  0.052
LSST z (0.87)  0.041
LSST y (0.97)  0.034
WFPC2 F300W (0.31)  0.152
WFPC2 F450W (0.46)  0.105
WFPC2 F555W (0.54)  0.085
WFPC2 F606W (0.60)  0.075
WFPC2 F702W (0.69)  0.060
WFPC2 F814W (0.79)  0.048
WFC3 F105W (1.04)  0.030
WFC3 F110W (1.12)  0.027
WFC3 F125W (1.23)  0.022
WFC3 F140W (1.37)  0.019
WFC3 F160W (1.53)  0.016
WFC3 F200LP (0.55)  0.091
WFC3 F218W (0.22)  0.240
WFC3 F225W (0.24)  0.216
WFC3 F275W (0.27)  0.170
WFC3 F300X (0.29)  0.162
WFC3 F336W (0.34)  0.138
WFC3 F350LP (0.59)  0.081
WFC3 F390W (0.40)  0.120
WFC3 F438W (0.43)  0.112
WFC3 F475W (0.48)  0.100
WFC3 F475X (0.50)  0.096
WFC3 F555W (0.53)  0.088
WFC3 F600LP (0.74)  0.055
WFC3 F606W (0.59)  0.077
WFC3 F625W (0.62)  0.070
WFC3 F775W (0.76)  0.051
WFC3 F814W (0.80)  0.047
WFC3 F850LP (0.91)  0.037
ACS clear (0.62)  0.075
ACS F435W (0.43)  0.112
ACS F475W (0.48)  0.101
ACS F550M (0.56)  0.081
ACS F555W (0.54)  0.086
ACS F606W (0.59)  0.076
ACS F625W (0.63)  0.069
ACS F775W (0.77)  0.050
ACS F814W (0.80)  0.047
ACS F850LP (0.90)  0.038
DES g (0.48)  0.100
DES r (0.64)  0.067
DES i (0.78)  0.049
DES z (0.91)  0.038
DES Y (0.99)  0.033


For completeness, we include the original SFD98 values:


     L  a  n  d  o  l  t S  D  S  S U  K  I  R  T
Filter [µm] U (0.34) B (0.44) V (0.54) R (0.65) I (0.81) u (0.35) g (0.49) r (0.63) i (0.78) z (0.93) J (1.27) H (1.67) K (2.22) L' (3.81)
A_λ [mag] 0.166 0.132 0.101 0.082 0.059 0.158 0.116 0.084 0.064 0.045 0.028 0.018 0.011 0.005


Galactic Extinction based on H I Column Densities and Galaxy Counts 
(Burstein & Heiles; 1982AJ.....87.1165B) assuming R_v = 3.1:
A_B = 0.100 mag 

See Notes on Galactic Extinction for important caveats.

BASIC DATA for NGC 6391 (Back to INDEX)

Helio. Radial Velocity     :      8132 +/-       31 km/s      
Redshift                   :  0.027124 +/- 0.000104        2003SDSS1.C...0000:
Major Diameter (arcmin)    :  0.85
Minor Diameter (arcmin)    :  0.68
Magnitude and Filter       : 14.6g
Classifications            : E0                  

NOTE: This information is indicative only. With the exception of the
      redshift they are unreferenced and highly inhomogeneous as to
      their origin. The Radial Velocity (when available) is computed
      from the listed redshift. The remaining values are designed to
      orient the user with a quick-look, overall assessment of the
      general properties of the object in question. They are not
      averages nor are they standardized in any way.

Additional detailed measurements with references are also available by clicking below:
5 Redshift data point(s)      63 photometric data point(s)      11 Diameter data point(s)

QUANTITIES DERIVED FROM REDSHIFT for NGC 6391 (Details)(Back to INDEX)

Calculated and Corrected Velocities
V (Heliocentric)           :    8132 +/-     31 km/s      2003SDSS1.C...0000:
V (Kinematic LSR)          :    8149 +/-     31 km/s      1986MNRAS.221.1023K
V (Galactocentric GSR)     :    8329 +/-     32 km/s      1991RC3.9.C...0000d
V (Local Group)            :    8381 +/-     35 km/s      1996AJ....111..794K
V (3K CMB)                 :    8079 +/-     31 km/s      1996ApJ...473..576F
V (Virgo Infall only)      :    8468 +/-     35 km/s      2000ApJ...529..786M
V (Virgo + GA only)        :    8448 +/-     35 km/s      2000ApJ...529..786M
V (Virgo + GA + Shapley)   :    8472 +/-     35 km/s      2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where H_o =   73.0 +/-   5 km/sec/Mpc)
D (Galactocentric GSR)     :   114.1 +/-    8.0 Mpc      (m-M) = 35.29 +/- 0.15 mag
D (Local Group)            :   114.8 +/-    8.1 Mpc      (m-M) = 35.30 +/- 0.15 mag
D (3K CMB)                 :   110.7 +/-    7.8 Mpc      (m-M) = 35.22 +/- 0.15 mag
D (Virgo Infall only)      :   116.0 +/-    8.1 Mpc      (m-M) = 35.32 +/- 0.15 mag
D (Virgo + GA only)        :   115.7 +/-    8.1 Mpc      (m-M) = 35.32 +/- 0.15 mag
D (Virgo + GA + Shapley)   :   116.1 +/-    8.1 Mpc      (m-M) = 35.32 +/- 0.15 mag

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :     553 pc/arcsec =  0.553 kpc/arcsec =  33.19 kpc/arcmin =   1.99 Mpc/degree
Scale (Local Group)        :     557 pc/arcsec =  0.557 kpc/arcsec =  33.40 kpc/arcmin =   2.00 Mpc/degree
Scale (3K CMB)             :     537 pc/arcsec =  0.537 kpc/arcsec =  32.19 kpc/arcmin =   1.93 Mpc/degree
Scale (Virgo Infall only)  :     562 pc/arcsec =  0.562 kpc/arcsec =  33.74 kpc/arcmin =   2.02 Mpc/degree
Scale (Virgo + GA only)    :     561 pc/arcsec =  0.561 kpc/arcsec =  33.66 kpc/arcmin =   2.02 Mpc/degree
Scale(Virgo + GA + Shapley):     563 pc/arcsec =  0.563 kpc/arcsec =  33.76 kpc/arcmin =   2.03 Mpc/degree











To Search for Nearby Objects (Physical Companions):
Enter Your Preferred Values and click on "Submit Environment Search" button 

Search for Objects within +/-arcmin where 100 kpc =  2.962 arcmin  
and Selected Redshift, defined by the Velocity Range:
from  to km/sec where V(Heliocentric) =   8132 km/sec  






Cosmology-Corrected Quantities [H_o =  73.00 km/sec/Mpc, Ω_matter =   0.27, Ω_vacuum =   0.73]
[Redshift 0.026949 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation]
Luminosity Distance        : 113 Mpc      (m-M) = 35.27 mag
Angular-Size Distance      : 107 Mpc      (m-M) = 35.15 mag
Co-Moving Radial Distance  : 110 Mpc      (m-M) = 35.21 mag
Co-Moving Tangential Dist. : 110 Mpc      (m-M) = 35.21 mag
Co-Moving Volume           : 0.00558 Gpc^3
Light Travel-Time          :    0.354 Gyr
Age at Redshift 0.026949   :   12.945 Gyr
Age of Universe            :   13.299 Gyr
Scale (Cosmology Corrected):     520 pc/arcsec =  0.520 kpc/arcsec =  31.18 kpc/arcmin =   1.87 Mpc/degree
Surface Brightness Dimming : Flux Density per Unit Area =  0.89909; Magnitude per Unit Area = 0.1155 mag







To change Cosmological Input Parameters for Derived Quantities:
Enter Your Preferred Values and click on "Submit Changed Hubble Parameters for this object" button 

H_oΩ_matterΩ_vacuum
    


Correct Redshift To the Reference Frame defined by:

as Input for Calculation of the Distances and Cosmology-Corrected Quantities

QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 6391 (Back to INDEX)

The brightest flux in each of the following spectral regions, when available:
Gamma-Ray (ν > 2E19 Hz); X-Ray (2E19 Hz > ν > 2E16 Hz); Ultraviolet (2E16 Hz > ν > 9E14 Hz); Visual (9E14 Hz > ν > 3E14 Hz);
Near-Infrared (3E14 Hz > ν > 6E13 Hz); Mid-Infrared (6E13 Hz > ν > 7.5E12 Hz); Far-Infrared (7.5E12 Hz > ν > 1E12 Hz);
Sub-Millimeter (1E12 Hz > ν > 3E11 Hz); Millimeter (3E11 Hz > ν > 3E10 Hz); Radio (3E10 Hz > ν).

Spectral Region	Band	Apparent Mag or Flux	Refcode	Absolute Mag or νL_ν [W]	νL_ν [L_☉(Bolometric)]
Ultraviolet	NUV (GALEX) AB	19.6681 +/- 0.0434816 mag	2012GMSC..C...0000S	-15.68 +/- 0.04 [mag]	2.76E+08 +/- 1.10E+07
Visual	z (SDSS Model) AB	12.886 +/- 0.003 asinh mag	2004SDSS2.C...0000:	-22.46 +/- 0.00 [mag]	3.52E+10 +/- 8.39E+07
Near-Infrared	H	11.008 +/- 0.031 mag	20032MASX.C.......:	-24.34 +/- 0.03 [mag]	3.19E+10 +/- 9.23E+08

NOTE: The above quantities are derived using an estimated Distance Modulus of (35.35 +/- N/A) mag corresponding to
a Metric Distance of (118.000 +/- N/A) Mpc using the Average NED-D value.
The quantities quoted above have not necessarily been corrected for foreground extinction, and no K-Corrections have been applied.

View details and SED for 63 Photometric data point(s) available in NED.

QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 6391 (Back to INDEX)

The largest diameters in the Visual and Near-Infrared spectral regions, when available:

Passband	Apparent Major Axis (2a) [arcsec]	Apparent Minor Axis (2b) [arcsec]	PA [degrees] (J2000.0)	Reference Level	Refcode	Physical Major Axis (2a) [kpc]	Physical Minor Axis (2b) [kpc]
r (SDSS Isophotal)	60.78	51.06	80	25.0 mag arcsec^-2^	2004SDSS2.C...0000:	34.77	29.21
K_s (2MASS "total")	64.10	37.18	90	Diameter for "total" magnitude 20032MASX.C.......:	20032MASX.C.......:	36.67	21.27

NOTE: Physical diameters are derived using a scale of 0.5721 kpc/arcsec based on Average NED-D Metric Distance of (118.000 +/- N/A) Mpc.
The quantities quoted above have not necessarily been corrected for foreground extinction.

View details for 11 Diameter data point(s) available in NED.

EXTERNAL ARCHIVES AND SERVICES for NGC 6391 Help (Back to INDEX)

Resources for Object Names	Site/Service
Query SIMBAD by primary NED object name -- NGC 6391	SIMBAD (CDS, Strasbourg, France)
Revised New General Catalogue -- NGC 6391	VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Original Zwicky Catalog -- CGCG 300-041	VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Query UZC Spectral Archive (60 arcsec search radius)	Updated Zwicky Catalog Data (Harvard/SAO)
Morphological Catalog of Galaxies -- MCG +10-25-049	VizieR Catalog Query (U.S. mirror, CfA/Harvard)
2MASS Extended Source Images (JHKs) -- 2MASX J17284891+5851032	NASA/IPAC Infrared Science Archive (IRSA)
version	SDSS Sky Server
Catalogue of Principal Galaxies -- PGC 060358	VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Retrieve mean data from LEDA -- PGC 060358	The Lyon/Meudon Extragalactic Database (LEDA)
Query GALEX (NUV/FUV) Mission Archive (7.2 arcsec search radius) -- NGC 6391	GALEX Mission Data Archive at MAST
Explore IRSA resources with RADAR (10 arcsec search radius) -- NGC 6391	NASA/IPAC Infrared Science Archive (IRSA)
Resources for position 17h28m49.0s, +58d51m03s (J2000)	Site/Service
Query Optical and UV Mission Archives (Default search radius)	Multimission Archive at STScI (MAST)
Query High Energy Mission Archives (Default search radius)	HEASARC (NASA/GSFC)
Explore resources with DataScope (15 arcmin search radius)	HEASARC (NASA/GSFC)
version	SDSS Sky Server
Query IRSA for WISE images (10 arcmin search radius)	NASA/IPAC Infrared Science Archive (IRSA)
Band(s): Size:	NASA/IPAC Infrared Science Archive (IRSA)
Band(s): Size:	NASA/IPAC Infrared Science Archive (IRSA)
	NASA/IPAC Infrared Science Archive (IRSA)
Size: Contours (PS) JPEG FITS File	NRAO/VLA Sky Survey (NVSS)
	The NRAO Data Archive System

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