M90

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Basic data :
M 90 -- Seyfert 2 Galaxy 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: Sy2 (), G (Ref,APG,...), AGN ([VV2000c],[VV2003c],...), X (1E,RX,...), IR (IRAS,ISOSS,...), GiC (VPC), GiG ([CHM2007]), HI (ALFALFA), Rad (NVSS) 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 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) : 12 36 49.816 +13 09 46.33 (Infrared) [ ] B 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 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) : 12 34 18.50 +13 26 16.4 [ ] 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 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) : 288.4675 +75.6228 [ ] 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) -235 [4] / z(~) -0.000784 [0.000013] / cz -235.04 [3.90]    D 1991RC3v9.C......0D 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: Sab C 2014A&A...569A.124V Syntax of angular size is : "maj-axis min-axis angle (wtype) quality bibcode" maj-axis : major axis size (arc minutes) min-axis : minor axis size (arc minutes) angle : orientation angle (in degrees) (incl) : inclination (in units of 15° from 0 to 7) (wtype) : wavelength class for the origin of the angular size (Rad, mm, IR, Opt, UV, Xray, Gam) quality : flag of quality of the angular size values ( A=best quality -> E=worst quality, {� } =unknown quality) bibcode : bibcode of the angular size reference Angular size (arcmin): 6.917 2.767 15 (IR) C 2006AJ....131.1163S 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 (11) : U 10.56 [0.09] D 2007ApJS..173..185G B 10.26 [0.08] D 2007ApJS..173..185G V 9.54 [0.08] D 2007ApJS..173..185G J 7.503 [0.02] C 2006AJ....131.1163S H 6.788 [0.024] C 2006AJ....131.1163S K 6.581 [0.027] C 2006AJ....131.1163S u (AB) 15.011 [0.012] C 2009yCat.2294....0A g (AB) 15.158 [0.013] C 2009yCat.2294....0A r (AB) 10.984 [0.006] C 2009yCat.2294....0A i (AB) 10.382 [0.007] C 2009yCat.2294....0A z (AB) 12.665 [0.007] C 2009yCat.2294....0A	SIMBAD with radius arcmin Interactive AladinLite view 2MASS DSS SDSSXMMIRACIRISGALEX VizieR photometry viewer    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!).

M 90	MCG+02-32-155	VCC 1690	[TBH2001] PSPC 14
ALFALFA 1-370	NGC 4569	VPC 1082	[THP2000] NGC 4569 0
APG 76	NVSS B123418+132627	Z 70-192	[VDD93] 166
1E 1234.2+1326	PCCS1 545 G288.44+75.62	Z 1234.3+1326	[VV2000c] J123649.9+130950
EQ 1234+134	PCCS1 857 G288.41+75.62	[BEC2010] HRS 217	[VV2003c] J123649.9+130950
EVCC 2184	PSCz Q12343+1326	[CHM2007] HDC 720 J123649.81+1309463	[VV2006c] J123649.9+130950
IRAS 12343+1326	RX J123650+13092	[CHM2007] LDC 904 J123649.81+1309463	[VV2010c] J123649.9+130950
IRAS F12343+1326	RX J123649.7+130947	[DSB94] 236	[VV98c] J123649.9+130950
ISOSS J12368+1311	RX J1236.8+1309	[M98c] 123418.7+132618	[YOF95] 206
LEDA 42089	SDSS J123649.79+130946.6	[RW2000] NGC 4569 X-1
LJHY 39	UGC 7786	[SLK2004] 724
2MASX J12364981+1309463	UZC J123649.7+130946	[TBH2001] HRI 6

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References (503 between 1998 and 2018) (Total 738) Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system). Follow new references on this object

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

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