NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-11-13 T10:49:02 PST
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You have selected the following parameters to search on:

Parameters for Distances and Cosmology: Ho= 73.0; Ωmatter = 0.27; Ωvacuum = 0.73;
Derived Quantities use a Redshift corrected to a Reference Frame defined by the 3K CMB

NED results for object NGC 7550*


1 objects found in NED.    

SOURCE LIST

 Row          Object Name                 EquJ2000.0       Object  Velocity/Redshift    Mag./  Separ.               Number of                                 Row 
 No.     (* => Essential Note)       RA               DEC  Type     km/s       z   Qual Filter arcmin Refs Notes Phot Posn Vel/z Diam Assoc Images   Spectra  No. 
1    NGC 7550                       23h15m16.0s +18d57m42s G        5072  0.016918      13.16    ...   111     3   49   15    13    7     0 Retrieve Retrieve 1   

Detailed information for each object


Object No. 1 - NGC 7550

INDEX for NGC 7550
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):

Images
   
49 Photometric data point(s) and SED   
Spectra   
Redshift-Independent Distances
111 Reference(s)   
15 Position data point(s)
13 Redshift data point(s)   
7 Diameter data point(s)   
3 Note(s)   
UGC data    
RC3 data    

ESSENTIAL NOTE for NGC 7550 (Back to INDEX)
N/A

CROSS-IDENTIFICATIONS for NGC 7550 (Back to INDEX)
Object Names Type Object Names Type
NGC 7550G USGC U837 NED02 G
UGC 12456 G NSA 150909 G
ARP 099 NED02 G PGC 070830 G
CGCG 454-012 G UZC J231516.1+185741 G
CGCG 2312.8+1841 G UZC-CG 284 NED02 G
MCG +03-59-015 G UZC-BGP 85A G
2MASX J23151609+1857409 IrS 87GB 231246.8+184119 RadioS
GALEXASC J231516.08+185740.7 UvS 87GB[BWE91] 2312+1841 RadioS
GALEXMSC J231516.16+185741.3 UvS NVSS J231516+185741 RadioS
KTG 78B G [GG2000] 231246.90+184119.0 G
HCG 093A G [JBB2007] J231516.06+185741.2 RadioS
WBL 700-003 G [WG2008] 24 G
LDCE 1563 NED003 G v2MCG 81:[DMP2012] 1 G
HDCE 1233 NED002 G    
     

COORDINATES for NGC 7550 (Back to INDEX)

Position Reference:1999AJ....118.2561G

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)  348.194917   18.689000 23h12m46.780s +18d41m20.40s  5.00E-01  5.00E-01    0
Equatorial (J2000.0)  348.816699   18.961797 23h15m16.008s +18d57m42.47s  5.00E-01  5.00E-01    0
Ecliptic   (B1950.0)  356.894800   21.782424                              5.00E-01  5.00E-01    0
Ecliptic   (J2000.0)  357.590754   21.782628                              5.00E-01  5.00E-01    0
Galactic               93.503260  -38.352836                              5.00E-01  5.00E-01    0
SuperGalactic         309.884446   28.153303                              5.00E-01  5.00E-01    0
Additional detailed measurements with references are also available by clicking below:
15 Position data point(s)

REDSHIFT-INDEPENDENT DISTANCES for NGC 7550 (Back to INDEX)

2 Distances found in NED View 2 Individual Distance Measurement(s) for NGC 7550

Summary Statistics computed by NED from 2 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 7550 Distance Modulus
(mag)
Metric Distance
(Mpc)
Mean 34.04 64.300
Std. Dev. 0.07 1.980
Min. 33.99 62.900
Max. 34.09 65.700
Median 34.04 64.300

CLASSIFICATIONS (TYPES, ATTRIBUTES) for NGC 7550 (Back to INDEX)
TypeAs PublishedNED HomogenizedFlagReference Code
HierarchyPRPair member, radial velocity confirmed...2006A&A...456..467F
Galaxy MorphologySA0^-SA0^-...1991RC3.9.C...0000d
Distance IndicatorTully-FisherTully-Fisher...2007A&A...465...71T
11 Detailed Classification(s)


FOREGROUND GALACTIC EXTINCTION for NGC 7550 (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 Rv = 3.1 and different source spectrum than SFD98.

L a n d o l tS D S SU 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)
Aλ [mag]0.5930.4960.3750.2970.2060.5800.4520.3130.2320.1730.0970.0610.0410.021
Show/Hide Aλ magnitudes in all 88 photometric bands based on SF11
For completeness, we include the original SFD98 values:
L a n d o l tS D S SU 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)
Aλ [mag]0.7240.5750.4420.3560.2590.6870.5050.3670.2780.1970.1200.0770.0490.020


Galactic Extinction based on H I Column Densities and Galaxy Counts
(Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1:
AB = 0.180 mag
See Notes on Galactic Extinction for important caveats.

BASIC DATA for NGC 7550 (Back to INDEX)
Helio. Radial Velocity     :      5072 +/-       20 km/s      
Redshift                   :  0.016918 +/- 0.000067        1999PASP..111..438F
Major Diameter (arcmin)    :   1.4
Minor Diameter (arcmin)    :   1.2
Magnitude and Filter       : 13.16
Classifications            : SA0-           AGN  

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:
13 Redshift data point(s)      49 photometric data point(s)      7 Diameter data point(s)      

QUANTITIES DERIVED FROM REDSHIFT for NGC 7550 (Details)(Back to INDEX)
Calculated and Corrected Velocities
V (Heliocentric)           :    5072 +/-     20 km/s      1999PASP..111..438F
V (Kinematic LSR)          :    5078 +/-     20 km/s      1986MNRAS.221.1023K
V (Galactocentric GSR)     :    5249 +/-     21 km/s      1991RC3.9.C...0000d
V (Local Group)            :    5333 +/-     25 km/s      1996AJ....111..794K
V (3K CMB)                 :    4709 +/-     32 km/s      1996ApJ...473..576F
V (Virgo Infall only)      :    5203 +/-     27 km/s      2000ApJ...529..786M
V (Virgo + GA only)        :    5067 +/-     29 km/s      2000ApJ...529..786M
V (Virgo + GA + Shapley)   :    5054 +/-     29 km/s      2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where Ho =   73.0 +/-   5 km/sec/Mpc)
D (Galactocentric GSR)     :    71.9 +/-    5.0 Mpc      (m-M) = 34.28 +/- 0.15 mag
D (Local Group)            :    73.1 +/-    5.1 Mpc      (m-M) = 34.32 +/- 0.15 mag
D (3K CMB)                 :    64.5 +/-    4.5 Mpc      (m-M) = 34.05 +/- 0.15 mag
D (Virgo Infall only)      :    71.3 +/-    5.0 Mpc      (m-M) = 34.26 +/- 0.15 mag
D (Virgo + GA only)        :    69.4 +/-    4.9 Mpc      (m-M) = 34.21 +/- 0.15 mag
D (Virgo + GA + Shapley)   :    69.2 +/-    4.9 Mpc      (m-M) = 34.20 +/- 0.15 mag

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :     349 pc/arcsec =  0.349 kpc/arcsec =  20.92 kpc/arcmin =   1.25 Mpc/degree
Scale (Local Group)        :     354 pc/arcsec =  0.354 kpc/arcsec =  21.25 kpc/arcmin =   1.27 Mpc/degree
Scale (3K CMB)             :     313 pc/arcsec =  0.313 kpc/arcsec =  18.76 kpc/arcmin =   1.13 Mpc/degree
Scale (Virgo Infall only)  :     346 pc/arcsec =  0.346 kpc/arcsec =  20.73 kpc/arcmin =   1.24 Mpc/degree
Scale (Virgo + GA only)    :     336 pc/arcsec =  0.336 kpc/arcsec =  20.19 kpc/arcmin =   1.21 Mpc/degree
Scale(Virgo + GA + Shapley):     336 pc/arcsec =  0.336 kpc/arcsec =  20.14 kpc/arcmin =   1.21 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 = 4.965 arcmin and Selected Redshift, defined by the Velocity Range: from to km/sec where V(Heliocentric) = 5072 km/sec
Cosmology-Corrected Quantities [Ho = 73.00 km/sec/Mpc, Ωmatter = 0.27, Ωvacuum = 0.73] [Redshift 0.015708 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation] Luminosity Distance : 65.3 Mpc (m-M) = 34.07 mag Angular-Size Distance : 63.3 Mpc (m-M) = 34.01 mag Co-Moving Radial Distance : 64.3 Mpc (m-M) = 34.04 mag Co-Moving Tangential Dist. : 64.3 Mpc (m-M) = 34.04 mag Co-Moving Volume : 0.00111 Gpc^3 Light Travel-Time : 0.208 Gyr Age at Redshift 0.015708 : 13.091 Gyr Age of Universe : 13.299 Gyr Scale (Cosmology Corrected): 307 pc/arcsec = 0.307 kpc/arcsec = 18.42 kpc/arcmin = 1.10 Mpc/degree Surface Brightness Dimming : Flux Density per Unit Area = 0.93956; Magnitude per Unit Area = 0.06769 mag
To change Cosmological Input Parameters for Derived Quantities: Enter Your Preferred Values and click on "Submit Changed Hubble Parameters for this object" button
HoΩmatterΩvacuum     
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 7550 (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 νLν [W] νLν [L(Bolometric)]
UltravioletNUV (GALEX) AB 18.6999 +/- 0.0393491 mag 2012GMSC..C...0000S-15.34 +/- 0.12 [mag] 1.99E+08 +/- 1.13E+07
VisualR_I_ (24.0) 11.85 mag 1989ApJS...70..687H-22.19 [mag] 2.93E+10
Near-InfraredH 9.203 +/- 0.015 mag 20032MASX.C.......:-24.84 +/- 0.11 [mag] 4.99E+10 +/- 2.28E+09
Mid-Infrared12 microns (IRAS) 0.120 +/- 0.038 Jy 1994PrivC.U..J....K 1.48E+36 +/- 4.74E+35 [W] 3.86E+09 +/- 1.23E+09
Far-Infrared100 microns (IRAS) 0.500 +/- 0.224 Jy 1994PrivC.U..J....K 7.42E+35 +/- 3.34E+35 [W] 1.93E+09 +/- 8.69E+08
Radio1635 MHz (VLA) 49.57 milliJy 1985ApJ...296...60M 4.02E+31 [W] 1.05E+05
NOTE: The above quantities are derived using an estimated Distance Modulus of (34.04 +/- 0.07) mag corresponding to
a Metric Distance of (64.300 +/- 1.980) 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 49 Photometric data point(s) available in NED.

QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 7550 (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 RefcodePhysical Major Axis
(2a) [kpc]
Physical Minor Axis
(2b) [kpc]
RC3 D_0 (blue) 86.70...... 25.0 B-mag arcsec^-2^ 1991RC3.9.C...0000d27.03...
K_s (2MASS "total") 113.20104.14150 Diameter for "total" magnitude 20032MASX.C.......:20032MASX.C.......:35.2932.47
NOTE: Physical diameters are derived using a scale of 0.3117 kpc/arcsec based on Average NED-D Metric Distance of (64.300 +/- 1.980) Mpc.
The quantities quoted above have not necessarily been corrected for foreground extinction.

View details for 7 Diameter data point(s) available in NED.

EXTERNAL ARCHIVES AND SERVICES for NGC 7550 Help (Back to INDEX)
Resources for Object NamesSite/Service
Query SIMBAD by primary NED object name -- NGC 7550SIMBAD (CDS, Strasbourg, France)
Revised New General Catalogue -- NGC 7550VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Uppsala General Catalog -- UGC 12456 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Original Zwicky Catalog -- CGCG 454-012 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 +03-59-015 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
2MASS Extended Source Images (JHKs) -- 2MASX J23151609+1857409 NASA/IPAC Infrared Science Archive (IRSA)
Catalogue of Principal Galaxies -- PGC 070830 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Retrieve mean data from LEDA -- PGC 070830 The Lyon/Meudon Extragalactic Database (LEDA)
NRAO/VLA Sky Survey (NVSS)
Query GALEX (NUV/FUV) Mission Archive (7.2 arcsec search radius) -- NGC 7550GALEX Mission Data Archive at MAST
Explore IRSA resources with RADAR (10 arcsec search radius) -- NGC 7550NASA/IPAC Infrared Science Archive (IRSA)
Resources for position 23h15m16.0s, +18d57m42s (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)
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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