OHIO I 090.4

Basic data :
QSO B0754+10 -- BL Lac 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 (2010AJ,BWE,...), BLL (2011NewA,[VV2000b],...), gam (1FGL,2FGL,...), Bla (2016ApJS,[DGT2001],...), X (2009A&A,2E,...), QSO (2016A&A,QSO,...), AGN (2011AJ,CGRaBS), V* (2018AJ,CSV,...), Bz? (2022ApJS,[SRM2005]), MIR (WISEA,WISE), BL? (2021MNRAS), G (LEDA), * (Gaia), NIR (2MASS), IR (IRAS), Opt (ATO) 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] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), 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) : 07 57 06.64295154 +09 56 34.8522544 (Radio) [ 0.0360503 0.05 0 ] A 2020A&A...644A.159C 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] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), 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) : 07 54 22.58360044 +10 04 39.6962380 [ 0.0360503 0.05 0 ] 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] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), 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) : 211.31158878418 +19.05693234587 [ 0.0360503 0.05 0 ] Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode" pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr) pm-dec : mu-dec (expressed in the ICRS system in mas/yr) [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg) quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) bibcode : bibcode of the proper motion reference Proper motions mas/yr : 0.166 0.271 [0.074 0.048 90] A 2020yCat.1350....0G 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) 69427 [~] / z(spectroscopic) 0.266 [~] / cz 79745 [~]    D 2011NewA...16..503M Syntax of parallax is : 'value quality [error] bibcode' value : parallax value quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) [error] : mean error bibcode : bibcode of the parallax reference Parallaxes (mas): 0.1236 [0.071] A 2020yCat.1350....0G 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) (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): 0.0000120 0.0000047 -1 (Rad) D 2010AJ....139.1713C 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 (7) : B 15.43 [~] D 2010A&A...518A..10V V 15.00 [~] D 2010A&A...518A..10V R 15.99 [~] D 2008ApJS..175...97H G 16.847582 [0.022897] C 2020yCat.1350....0G J 14.587 [0.039] C 2003yCat.2246....0C H 13.706 [0.032] C 2003yCat.2246....0C K 12.934 [0.033] C 2003yCat.2246....0C	SIMBAD within arcmin ', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay points in this preview 2MASS DSS SDSSXMMIRACIRISGALEX All (CDSPortal) Send to within 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!).
Some important notes on this object about identifications and objects associations. notes: See also Specfind radio flux densities.

QSO B0754+10	ICRF J075706.6+095634	PMN J0757+0956	WMAP J0757+0957
ATO J119.2776+09.9430	IERS B0754+100	QSO B0754+101	WMAP J0757+0956
BWE 0754+1004	IRAS F07543+1004	QSO B0754+100	WMAP J0757+0953
CGRaBS J0757+0956	IVS B0754+100	QSO J0757+0956	[CAB95] IRAS F07543+1004
CLASS J075706.6425+095634.850	JVAS J0757+0956	RFC J0757+0956	[DGT2001] B0754+100
CRATES J075706+095612	JVAS B0754+100	RGB J0757+099	[HB93] 0754+100
CSV 1180	LEDA 2825311	RGB J0757.1+0956	[IN88] 0754+101
2E 1890	MASIV J0757+0956	RORF 0754+100	[MGL2009] BZB J0757+0956
2E 0754.4+1004	2MASS J07570663+0956348	RX J0757.1+0956	[MML2015] 5BZB J0757+0956
1FGL J0757.2+0956	MITG J075708+0956	1RXS J075706.7+095647	[SRM2005] J075706.64+095634.8
2FGL J0757.1+0957	MRC 0754+100	SV* R 200	[VV2000b] J075706.7+095635
3FGL J0757.0+0956	NAIC 0754+100	SV* P 512	[VV2003b] J075706.7+095635
4FGL J0757.1+0956	NEWPS5 J0757+0956	TGSSADR J075706.2+095634	[VV2006b] J075706.7+095635
1FHL J0757.2+0955	NVSS J075706+095634	TIC 271137291	[VV2010b] J075706.7+095635
2FHL J0756.8+0955	OHIO I 090.4	TXS 0754+100	[VV98b] J075706.7+095635
3FHL J0757.1+0957	PCCS2 143 G211.31+19.05	VLSSr J075705.2+095628	AAVSO 0751+20
FIRST J075706.6+095634	PKS 0754+100	VLSS J0757.0+0956	Gaia DR3 3147336302046608384
GB6 J0757+0956	PKS J0757+0956	WB 0754+1004	Gaia DR1 3147336297748900096
GB6 B0754+1004	PKS 0754+10	WISEA J075706.64+095634.8	Gaia DR2 3147336302046608384
87GB 075422.6+100411	PKS 0754+110	WISE J075706.64+095634.8
GLEAM J075705+095633	PKS 0754+101	WMAP 120

References (439 between 1850 and 2024) (Total 439) 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

Collections of Measurements

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : OHIO I 090.4

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