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NASA/IPAC EXTRAGALACTIC DATABASE Date and Time of the Query: 2024-05-03 T07:24:54 PDT Help | Comment | NED Home

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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. 12

INDEX for SDSS J164809.38+165842.7

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

Essential Note
Cross-IDs
Coordinates
Basic Data
Quantities Derived from Redshift
Redshift-Independent Distances
Classifications
Foreground Galactic Extinction
External Services

Detailed Data (NED queries):

Spectra
Redshift-Independent Distances
1 Position data point(s)
1 Redshift data point(s)

ESSENTIAL NOTE for SDSS J164809.38+165842.7 (Back to INDEX)

N/A

CROSS-IDENTIFICATIONS for SDSS J164809.38+165842.7 (Back to INDEX)

Object Names	Type
SDSS J164809.38+165842.7	VisS

COORDINATES for SDSS J164809.38+165842.7 (Back to INDEX)

Position Reference:2016SDSSD.C...0000:

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)  251.479311   17.065660 16h45m55.035s +17d03m56.38s  5.00E-01  5.00E-01    0
Equatorial (J2000.0)  252.039110   16.978541 16h48m09.386s +16d58m42.75s  5.00E-01  5.00E-01    0
Ecliptic   (B1950.0)  246.984821   39.042793                              5.00E-01  5.00E-01    0
Ecliptic   (J2000.0)  247.685078   39.036622                              5.00E-01  5.00E-01    0
Galactic               35.472786   34.698900                              5.00E-01  5.00E-01    0
SuperGalactic         109.552425   59.572456                              5.00E-01  5.00E-01    0

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

REDSHIFT-INDEPENDENT DISTANCES for SDSS J164809.38+165842.7 (Back to INDEX)

N/A

CLASSIFICATIONS (TYPES, ATTRIBUTES) for SDSS J164809.38+165842.7 (Back to INDEX)

N/A

FOREGROUND GALACTIC EXTINCTION for SDSS J164809.38+165842.7 (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] 0.365 0.305 0.231 0.182 0.127 0.357 0.278 0.192 0.143 0.106 0.060 0.038 0.025 0.013

  

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

Bandpass [µm] A_λ [mag]
Landolt U (0.35)  0.365
Landolt B (0.43)  0.305
Landolt V (0.54)  0.231
Landolt R (0.64)  0.182
Landolt I (0.80)  0.127
CTIO U (0.37)  0.345
CTIO B (0.43)  0.306
CTIO V (0.55)  0.226
CTIO R (0.65)  0.178
CTIO I (0.80)  0.128
UKIRT J (1.25)  0.060
UKIRT H (1.66)  0.038
UKIRT K (2.19)  0.025
UKIRT L' (3.78)  0.013
Gunn g (0.52)  0.245
Gunn r (0.66)  0.173
Gunn i (0.79)  0.131
Gunn z (0.91)  0.104
Spinrad R_S (0.69)  0.162
Stromgren u (0.35)  0.362
Stromgren b (0.47)  0.282
Stromgren v (0.41)  0.319
Stromgren beta (0.49)  0.268
Stromgren y (0.55)  0.226
SDSS u (0.36)  0.357
SDSS g (0.47)  0.278
SDSS r (0.62)  0.192
SDSS i (0.75)  0.143
SDSS z (0.89)  0.106
DSS-II g (0.46)  0.284
DSS-II r (0.65)  0.176
DSS-II i (0.81)  0.125
PS1 g (0.49)  0.267
PS1 r (0.62)  0.191
PS1 i (0.75)  0.141
PS1 z (0.87)  0.111
PS1 y (0.97)  0.091
PS1 w (0.62)  0.197
LSST u (0.37)  0.349
LSST g (0.48)  0.272
LSST r (0.62)  0.191
LSST i (0.75)  0.142
LSST z (0.87)  0.111
LSST y (0.97)  0.092
WFPC2 F300W (0.31)  0.412
WFPC2 F450W (0.46)  0.287
WFPC2 F555W (0.54)  0.232
WFPC2 F606W (0.60)  0.203
WFPC2 F702W (0.69)  0.164
WFPC2 F814W (0.79)  0.130
WFC3 F105W (1.04)  0.082
WFC3 F110W (1.12)  0.074
WFC3 F125W (1.23)  0.061
WFC3 F140W (1.37)  0.052
WFC3 F160W (1.53)  0.043
WFC3 F200LP (0.55)  0.249
WFC3 F218W (0.22)  0.653
WFC3 F225W (0.24)  0.588
WFC3 F275W (0.27)  0.462
WFC3 F300X (0.29)  0.440
WFC3 F336W (0.34)  0.375
WFC3 F350LP (0.59)  0.221
WFC3 F390W (0.40)  0.328
WFC3 F438W (0.43)  0.305
WFC3 F475W (0.48)  0.273
WFC3 F475X (0.50)  0.262
WFC3 F555W (0.53)  0.240
WFC3 F600LP (0.74)  0.150
WFC3 F606W (0.59)  0.209
WFC3 F625W (0.62)  0.190
WFC3 F775W (0.76)  0.138
WFC3 F814W (0.80)  0.129
WFC3 F850LP (0.91)  0.102
ACS clear (0.62)  0.205
ACS F435W (0.43)  0.304
ACS F475W (0.48)  0.275
ACS F550M (0.56)  0.220
ACS F555W (0.54)  0.235
ACS F606W (0.59)  0.208
ACS F625W (0.63)  0.187
ACS F775W (0.77)  0.137
ACS F814W (0.80)  0.128
ACS F850LP (0.90)  0.105
DES g (0.48)  0.272
DES r (0.64)  0.183
DES i (0.78)  0.134
DES z (0.91)  0.102
DES Y (0.99)  0.089


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] 0.488 0.388 0.298 0.240 0.174 0.463 0.341 0.247 0.187 0.133 0.081 0.052 0.033 0.014


Galactic Extinction based on H I Column Densities and Galaxy Counts 
(Burstein & Heiles; 1982AJ.....87.1165B) assuming R_v = 3.1:
A_B = 0.280 mag 

See Notes on Galactic Extinction for important caveats.

BASIC DATA for SDSS J164809.38+165842.7 (Back to INDEX)

Helio. Radial Velocity     :    207020 +/-       21 km/s SLS  
Redshift                   :  0.690545 +/- 0.000069  SLS   2016SDSSD.C...0000:
Major Diameter (arcmin)    :      
Minor Diameter (arcmin)    :      
Magnitude and Filter       :      
Classifications            :                     

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:
1 Redshift data point(s)

QUANTITIES DERIVED FROM REDSHIFT for SDSS J164809.38+165842.7 (Details)(Back to INDEX)

Calculated and Corrected Velocities
V (Heliocentric)           :  207020 +/-     21 km/s SLS  2016SDSSD.C...0000:
V (Kinematic LSR)          :  207039 +/-     21 km/s SLS  1986MNRAS.221.1023K
V (Galactocentric GSR)     :  207141 +/-     21 km/s SLS  1991RC3.9.C...0000d
V (Local Group)            :  207147 +/-     22 km/s SLS  1996AJ....111..794K
V (3K CMB)                 :  207044 +/-     21 km/s SLS  1996ApJ...473..576F
V (Virgo Infall only)      :  207241 +/-     23 km/s SLS  2000ApJ...529..786M
V (Virgo + GA only)        :  207339 +/-     24 km/s SLS  2000ApJ...529..786M
V (Virgo + GA + Shapley)   :  207378 +/-     24 km/s SLS  2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where H_o =   73.0 +/-   5 km/sec/Mpc)
D (Galactocentric GSR)     :  2837.5 +/-  198.6 Mpc      (m-M) = 42.26 +/- 0.15 mag
D (Local Group)            :  2837.6 +/-  198.6 Mpc      (m-M) = 42.26 +/- 0.15 mag
D (3K CMB)                 :  2836.2 +/-  198.5 Mpc      (m-M) = 42.26 +/- 0.15 mag
D (Virgo Infall only)      :  2838.9 +/-  198.7 Mpc      (m-M) = 42.27 +/- 0.15 mag
D (Virgo + GA only)        :  2840.3 +/-  198.8 Mpc      (m-M) = 42.27 +/- 0.15 mag
D (Virgo + GA + Shapley)   :  2840.8 +/-  198.9 Mpc      (m-M) = 42.27 +/- 0.15 mag

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :   13757 pc/arcsec = 13.757 kpc/arcsec = 825.41 kpc/arcmin =  49.52 Mpc/degree
Scale (Local Group)        :   13757 pc/arcsec = 13.757 kpc/arcsec = 825.43 kpc/arcmin =  49.53 Mpc/degree
Scale (3K CMB)             :   13750 pc/arcsec = 13.750 kpc/arcsec = 825.02 kpc/arcmin =  49.50 Mpc/degree
Scale (Virgo Infall only)  :   13763 pc/arcsec = 13.763 kpc/arcsec = 825.81 kpc/arcmin =  49.55 Mpc/degree
Scale (Virgo + GA only)    :   13770 pc/arcsec = 13.770 kpc/arcsec = 826.20 kpc/arcmin =  49.57 Mpc/degree
Scale(Virgo + GA + Shapley):   13773 pc/arcsec = 13.773 kpc/arcsec = 826.35 kpc/arcmin =  49.58 Mpc/degree











To Search for Nearby Objects (Physical Companions):
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Search for Objects within +/-arcmin where 100 kpc =  0.121 arcmin  
and Selected Redshift, defined by the Velocity Range:
from  to km/sec where V(Heliocentric) = 207020 km/sec  






Cosmology-Corrected Quantities [H_o =  73.00 km/sec/Mpc, Ω_matter =   0.27, Ω_vacuum =   0.73]
[Redshift 0.690623 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation]
Luminosity Distance        :     4074 Mpc      (m-M) = 43.05 mag
Angular-Size Distance      :     1425 Mpc      (m-M) = 40.77 mag
Co-Moving Radial Distance  :     2410 Mpc      (m-M) = 41.91 mag
Co-Moving Tangential Dist. :     2410 Mpc      (m-M) = 41.91 mag
Co-Moving Volume           : 58.6 Gpc^3
Light Travel-Time          :    6.069 Gyr
Age at Redshift 0.690623   :    7.230 Gyr
Age of Universe            :   13.299 Gyr
Scale (Cosmology Corrected):    6910 pc/arcsec =  6.910 kpc/arcsec = 414.62 kpc/arcmin =  24.88 Mpc/degree
Surface Brightness Dimming : Flux Density per Unit Area =  0.12241; Magnitude per Unit Area = 2.28 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

EXTERNAL ARCHIVES AND SERVICES for SDSS J164809.38+165842.7 Help (Back to INDEX)

Resources for Object Names	Site/Service
Query SIMBAD by primary NED object name -- SDSS J164809.38+165842.7	SIMBAD (CDS, Strasbourg, France)
version	SDSS Sky Server
Query GALEX (NUV/FUV) Mission Archive (7.2 arcsec search radius) -- SDSS J164809.38+165842.7	GALEX Mission Data Archive at MAST
Explore IRSA resources with RADAR (10 arcsec search radius) -- SDSS J164809.38+165842.7	NASA/IPAC Infrared Science Archive (IRSA)
Resources for position 16h48m09.4s, +16d58m43s (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)
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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