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NASA/IPAC EXTRAGALACTIC DATABASE Date and Time of the Query: 2024-04-28 T22:15:16 PDT Help | Comment | NED Home

You have selected the following parameters to search on:

Velocity(km/s): Unconstrained
Include ANY Object Type:
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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. 2

INDEX for GRB 070721B HOST

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
65 Reference(s)
6 Position data point(s)
4 Redshift data point(s)

ESSENTIAL NOTE for GRB 070721B HOST (Back to INDEX)

N/A

CROSS-IDENTIFICATIONS for GRB 070721B HOST (Back to INDEX)

Object Names	Type	Object Names	Type
GRB 070721B HOST	G	GRB 070721B OA	VisS

COORDINATES for GRB 070721B HOST (Back to INDEX)

Position Reference:2009ApJ...691..152C

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)   32.502825   -2.428525 02h10m00.678s -02d25m42.69s  5.00E-01  5.00E-01    0
Equatorial (J2000.0)   33.137375   -2.194556 02h12m32.970s -02d11m40.40s  5.00E-01  5.00E-01    0
Ecliptic   (B1950.0)   29.445889  -14.624348                              5.00E-01  5.00E-01    0
Ecliptic   (J2000.0)   30.145808  -14.620627                              5.00E-01  5.00E-01    0
Galactic              164.295322  -58.394600                              5.00E-01  5.00E-01    0
SuperGalactic         299.664195  -19.245941                              5.00E-01  5.00E-01    0

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

REDSHIFT-INDEPENDENT DISTANCES for GRB 070721B HOST (Back to INDEX)

N/A

CLASSIFICATIONS (TYPES, ATTRIBUTES) for GRB 070721B HOST (Back to INDEX)

N/A

FOREGROUND GALACTIC EXTINCTION for GRB 070721B HOST (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] 0.135 0.113 0.085 0.068 0.047 0.132 0.103 0.071 0.053 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)  0.135
Landolt B (0.43)  0.113
Landolt V (0.54)  0.085
Landolt R (0.64)  0.068
Landolt I (0.80)  0.047
CTIO U (0.37)  0.128
CTIO B (0.43)  0.113
CTIO V (0.55)  0.084
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)  0.091
Gunn r (0.66)  0.064
Gunn i (0.79)  0.048
Gunn z (0.91)  0.038
Spinrad R_S (0.69)  0.060
Stromgren u (0.35)  0.134
Stromgren b (0.47)  0.104
Stromgren v (0.41)  0.118
Stromgren beta (0.49)  0.099
Stromgren y (0.55)  0.084
SDSS u (0.36)  0.132
SDSS g (0.47)  0.103
SDSS r (0.62)  0.071
SDSS i (0.75)  0.053
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)  0.099
PS1 r (0.62)  0.071
PS1 i (0.75)  0.052
PS1 z (0.87)  0.041
PS1 y (0.97)  0.034
PS1 w (0.62)  0.073
LSST u (0.37)  0.129
LSST g (0.48)  0.101
LSST r (0.62)  0.071
LSST i (0.75)  0.052
LSST z (0.87)  0.041
LSST y (0.97)  0.034
WFPC2 F300W (0.31)  0.153
WFPC2 F450W (0.46)  0.106
WFPC2 F555W (0.54)  0.086
WFPC2 F606W (0.60)  0.075
WFPC2 F702W (0.69)  0.061
WFPC2 F814W (0.79)  0.048
WFC3 F105W (1.04)  0.030
WFC3 F110W (1.12)  0.027
WFC3 F125W (1.23)  0.023
WFC3 F140W (1.37)  0.019
WFC3 F160W (1.53)  0.016
WFC3 F200LP (0.55)  0.092
WFC3 F218W (0.22)  0.242
WFC3 F225W (0.24)  0.218
WFC3 F275W (0.27)  0.171
WFC3 F300X (0.29)  0.163
WFC3 F336W (0.34)  0.139
WFC3 F350LP (0.59)  0.082
WFC3 F390W (0.40)  0.121
WFC3 F438W (0.43)  0.113
WFC3 F475W (0.48)  0.101
WFC3 F475X (0.50)  0.097
WFC3 F555W (0.53)  0.089
WFC3 F600LP (0.74)  0.055
WFC3 F606W (0.59)  0.078
WFC3 F625W (0.62)  0.070
WFC3 F775W (0.76)  0.051
WFC3 F814W (0.80)  0.048
WFC3 F850LP (0.91)  0.038
ACS clear (0.62)  0.076
ACS F435W (0.43)  0.112
ACS F475W (0.48)  0.102
ACS F550M (0.56)  0.082
ACS F555W (0.54)  0.087
ACS F606W (0.59)  0.077
ACS F625W (0.63)  0.069
ACS F775W (0.77)  0.051
ACS F814W (0.80)  0.048
ACS F850LP (0.90)  0.039
DES g (0.48)  0.101
DES r (0.64)  0.068
DES i (0.78)  0.050
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] 0.171 0.136 0.104 0.084 0.061 0.162 0.119 0.087 0.066 0.047 0.028 0.018 0.012 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 = 0.030 mag 

See Notes on Galactic Extinction for important caveats.

BASIC DATA for GRB 070721B HOST (Back to INDEX)

Helio. Radial Velocity     :   1088187 +/-        0 km/s UUN  
Redshift                   :  3.629800 +/- 0.000000  UUN   2016ApJ...817....7P
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:
4 Redshift data point(s)

QUANTITIES DERIVED FROM REDSHIFT for GRB 070721B HOST (Details)(Back to INDEX)

Calculated and Corrected Velocities
V (Heliocentric)           : 1088187 +/-      0 km/s UUN  2016ApJ...817....7P
V (Kinematic LSR)          : 1088177 +/-      0 km/s UUN  1986MNRAS.221.1023K
V (Galactocentric GSR)     : 1088209 +/-      1 km/s UUN  1991RC3.9.C...0000d
V (Local Group)            : 1088259 +/-      4 km/s UUN  1996AJ....111..794K
V (3K CMB)                 : 1087929 +/-     18 km/s UUN  1996ApJ...473..576F
V (Virgo Infall only)      : 1088081 +/-     13 km/s UUN  2000ApJ...529..786M
V (Virgo + GA only)        : 1087814 +/-     23 km/s UUN  2000ApJ...529..786M
V (Virgo + GA + Shapley)   : 1087745 +/-     23 km/s UUN  2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where H_o =   73.0 +/-   5 km/sec/Mpc)
D (Galactocentric GSR)     : 14907.0 +/- 1043.5 Mpc      (m-M) = 45.87 +/- 0.15 mag
D (Local Group)            : 14907.7 +/- 1043.5 Mpc      (m-M) = 45.87 +/- 0.15 mag
D (3K CMB)                 : 14903.1 +/- 1043.2 Mpc      (m-M) = 45.87 +/- 0.15 mag
D (Virgo Infall only)      : 14905.2 +/- 1043.4 Mpc      (m-M) = 45.87 +/- 0.15 mag
D (Virgo + GA only)        : 14901.6 +/- 1043.1 Mpc      (m-M) = 45.87 +/- 0.15 mag
D (Virgo + GA + Shapley)   : 14900.6 +/- 1043.0 Mpc      (m-M) = 45.87 +/- 0.15 mag

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :   72271 pc/arcsec = 72.271 kpc/arcsec = 4336.26 kpc/arcmin = 260.18 Mpc/degree
Scale (Local Group)        :   72274 pc/arcsec = 72.274 kpc/arcsec = 4336.46 kpc/arcmin = 260.19 Mpc/degree
Scale (3K CMB)             :   72252 pc/arcsec = 72.252 kpc/arcsec = 4335.14 kpc/arcmin = 260.11 Mpc/degree
Scale (Virgo Infall only)  :   72262 pc/arcsec = 72.262 kpc/arcsec = 4335.75 kpc/arcmin = 260.14 Mpc/degree
Scale (Virgo + GA only)    :   72245 pc/arcsec = 72.245 kpc/arcsec = 4334.68 kpc/arcmin = 260.08 Mpc/degree
Scale(Virgo + GA + Shapley):   72240 pc/arcsec = 72.240 kpc/arcsec = 4334.41 kpc/arcmin = 260.06 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 =  0.023 arcmin  
and Selected Redshift, defined by the Velocity Range:
from  to km/sec where V(Heliocentric) = 1088187 km/sec  






Cosmology-Corrected Quantities [H_o =  73.00 km/sec/Mpc, Ω_matter =   0.27, Ω_vacuum =   0.73]
[Redshift 3.628940 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation]
Luminosity Distance        :    31625 Mpc      (m-M) = 47.50 mag
Angular-Size Distance      :     1476 Mpc      (m-M) = 40.85 mag
Co-Moving Radial Distance  :     6832 Mpc      (m-M) = 44.17 mag
Co-Moving Tangential Dist. :     6832 Mpc      (m-M) = 44.17 mag
Co-Moving Volume           : 1.34e+03 Gpc^3
Light Travel-Time          :   11.579 Gyr
Age at Redshift 3.628940   :    1.720 Gyr
Age of Universe            :   13.299 Gyr
Scale (Cosmology Corrected):    7156 pc/arcsec =  7.156 kpc/arcsec = 429.34 kpc/arcmin =  25.76 Mpc/degree
Surface Brightness Dimming : Flux Density per Unit Area =  0.00218; Magnitude per Unit Area = 6.655 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 GRB 070721B HOST Help (Back to INDEX)

Resources for Object Names	Site/Service
Query SIMBAD by primary NED object name -- GRB 070721B HOST	SIMBAD (CDS, Strasbourg, France)
Query GALEX (NUV/FUV) Mission Archive (7.2 arcsec search radius) -- GRB 070721B HOST	GALEX Mission Data Archive at MAST
Explore IRSA resources with RADAR (10 arcsec search radius) -- GRB 070721B HOST	NASA/IPAC Infrared Science Archive (IRSA)
Resources for position 02h12m33.0s, -02d11m40s (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)
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)
Size: GIF FITS File	Faint Images of the Radio Sky at Twenty-Centimeters
	The NRAO Data Archive System

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