NGC 4845

C.D.S. - SIMBAD4 rel 1.7 - 2018.12.15CET16:16:38

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


Basic data :
NGC 4845 -- Active Galaxy Nucleus
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:
G (Ref,EVCC,...), AGN (Ref,[VV2006c],...), IR (IRAS,PSCz), GiG ([CHM2007]), H2G (Ref)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (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 defined epoch and convolved with error on propermotion),
    position angle (in degrees North celestial pole to East)
  • 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) :
12 58 01.242 +01 34 32.09 (Infrared) [ ] C 2006AJ....131.1163S
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (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 defined epoch and convolved with error on propermotion),
    position angle (in degrees North celestial pole to East)
  • 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) :
12 55 27.969 +01 50 43.75 [ ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (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 defined epoch and convolved with error on propermotion),
    position angle (in degrees North celestial pole to East)
  • 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) :
306.741296 +64.398630 [ ]
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) 1107 [27] / z(spectroscopic) 0.00370 [0.00009] / cz 1109.2 [27.0]
   (Opt) C 2009yCat.2294....0A
Syntax of morphological type is : mtype quality bibcode
  • mtype : Hubble morphological class (spirals, ellipticals, etc)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the morphological type reference
Morphological type:
Sb C 2014A&A...569A.124V
Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z
  • (System) : may be AB (default is Vega)
  • 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 (10) :
B 17.40 [~] D 2010A&A...518A..10V
V 16.31 [~] D 2010A&A...518A..10V
J 8.809 [0.018] C 2006AJ....131.1163S
H 8.080 [0.019] C 2006AJ....131.1163S
K 7.794 [0.023] C 2006AJ....131.1163S
u (AB) 14.739 [0.007] C 2009yCat.2294....0A
g (AB) 12.722 [0.002] C 2009yCat.2294....0A
r (AB) 11.698 [0.002] C 2009yCat.2294....0A
i (AB) 11.176 [0.002] C 2009yCat.2294....0A
z (AB) 10.804 [0.002] C 2009yCat.2294....0A
SIMBAD with radius arcmin
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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!).

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 5 : 3191 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (22) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

NGC 4845 MCG+00-33-025 UZC J125801.3+013433 [CHM2007] LDC 904 J125801.24+0134320
EVCC 1264 2MFGC 10266 WOSH 862G1 [NLB95] f862g001
IRAS F12554+0150 NGC 4910 Z 15-49 [VV2006c] J125801.2+013433
IRAS 12554+0150 PSCz Q12554+0150 Z 1255.5+0150 [VV2010c] J125801.2+013433
LEDA 44392 SDSS J125801.18+013433.0 [BEC2010] HRS 285
2MASX J12580124+0134320 UGC 8078 [CHM2007] HDC 729 J125801.24+0134320

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References (196 between 1850 and 2019) (Total 196)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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Collections of Measurements


distance : 6    velocities : 12   

   

Observing logs


herschel : 3   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database : NGC 4845

Link by name to the catalogue in VizieR :

NGC 4845 IRAS F12554+0150 IRAS 12554+0150 2MASX J12580124+0134320 NGC 4910
SDSS J125801.18+013433.0 UGC 8078

Search by coordinates in Vizier (radius: 5 arcsec)


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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2018.12.15-16:16:38

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