QSO B0237-2321

Query : QSO B0237-2321 C.D.S. - SIMBAD4 rel 1.225 - 2015.08.04CEST09:28:26

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
QSO B0237-2322 -- Quasar
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types:
Rad (Gopal,ICRF,IERS,IVS,1Jy,MRC​,OHIO,PKS,PMN,RORF​,VCS1,VSOP,WMAP,[CH94]​,[GGR94],[GR92],[MEM2008],[SJS95]), QSO (Ref,QSO,[BDW2002],[HB93],[STW98],[VV2000]​,[VV2003],[VV2006],[VV2010],[VV96]​,[VV98],[WTW94]), X (1E,2E,RX), IR (2MASS,2MASSI), Bla ([DGT2001]), G (LEDA), cm (AT20G), blu (PHL), UV (PG), gam (INTREF)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • quality : flag of quality
    • E >= 10
    • D : 1-10(and some old data)
    • C : 0.1-1
    • B : 0.01-0.1+ 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
ICRS coord. (ep=J2000) :
02 40 08.1757 -23 09 15.779 ( Optical ) [ ] B 2009A&A...505..385A
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • quality : flag of quality
    • E >= 10
    • D : 1-10(and some old data)
    • C : 0.1-1
    • B : 0.01-0.1+ 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK5 coord. (ep=J2000 eq=2000) :
02 40 08.176 -23 09 15.78 [ ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • quality : flag of quality
    • E >= 10
    • D : 1-10(and some old data)
    • C : 0.1-1
    • B : 0.01-0.1+ 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK4 coord. (ep=B1950 eq=1950) :
02 37 52.79 -23 22 06.5 [ ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • quality : flag of quality
    • E >= 10
    • D : 1-10(and some old data)
    • C : 0.1-1
    • B : 0.01-0.1+ 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
Gal coord. (ep=J2000) :
209.7936 -65.1309 [ ]
Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode"
  • value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options
    (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity)
  • [error] : error of the corresponding value displayed before
  • (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown)
  • quality : flag of quality ( A=best quality -> E=worst quality, ~ =unknown quality)
  • bibcode : bibcode of the value's origin
Radial velocity / Redshift / cz :
V(km/s) 247200 [~] / z(~) 2.225 [~] / cz 667038 [~]   (~) D 2001AJ....121.2843B
Syntax of fluxes (or magnitudes) is : "filter-name flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, J, H, K, u, g, r, i, z
  • flux-value : value of flux or magnitude
  • [error] : error value
  • quality : flag of quality of the flux value ( A=best quality -> E=worst quality, ~ =unknown quality)
  • MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4])
  • bibcode : bibcode of the flux reference
Fluxes (5) :
B 16.78 [~] D 2010A&A...518A..10V
V 16.63 [~] D 2010A&A...518A..10V
J 15.116 [0.041] C 2003yCat.2246....0C
H 14.515 [0.057] C 2003yCat.2246....0C
K 13.636 [0.042] C 2003yCat.2246....0C
SIMBAD with radius arcmin
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VizieR photometry viewer    sed-help-icon
within radius arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR.
The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding.
Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (49) :

QSO B0237-2322 LEDA 2823201 QSO B0237-23 [MEM2008] 34
AT20G J024008.1-230915 2MASS J02400818-2309157 QSO B0237-2321 [SJS95] 0237-233
AT20G J024008-230915 2MASSI J0240081-230915 RORF 0237-233 [STW98] 0237-2322
1E 0237.8-2321 MRC 0237-233 RX J0240.1-2309 [VV2000] J024008.1-230915
2E 638 OHIO D -263 VCS1 J0240-2309 [VV2003] J024008.1-230915
2E 0237.8-2322 PG 0237-23 VSOP J0240-2309 [VV2006] J024008.1-230915
Gopal 0237-233 PHL 8462 WMAP J0240-2309 [VV2010] J024008.1-230915
ICRF J024008.1-230915 PKS 0237-233 [BDW2002] q0237-2322 [VV96] J024008.1-230915
IERS B0237-233 PKS J0240-2309 [CH94] 0237-233 [VV98] J024008.1-230915
INTREF 122 PKS 0237-23 [DGT2001] B0237-233 [WTW94] 0237-233
IVS B0237-233 PMN J0240-2309 [GGR94] 0237-233
1Jy 0237-233 QSO B0237-233 [GR92] 0237-233
1Jy 0237-23 QSO J0240-2309 [HB93] 0237-233

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References (431 between 1850 and 2015)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Measurements (6 types) :


Einstein : 1    ISO : 7    posa : 2    velocities : 5    Z : 4    ze : 1   

   


External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

IERS B0237-233 2MASS J02400818-2309157 2MASSI J0240081-230915 PG 0237-23 PHL 8462
PKS 0237-233 PKS J0240-2309 PKS 0237-23 PMN J0240-2309 VSOP J0240-2309

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
The list of all annotations to SIMBAD objects can be found here .

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2015.08.04-09:28:26

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