The 3 columns in color are computed by VizieR, and are not part of the original data.

Note: USNO-A2.0 contains 526,280,881 sources, and is based on a re-reduction of the Precision Measuring Machine (PMM) scans from POSS-I O and E plates (>=-18°) and SRC-J and ESO-R plates (<=-20°). USNO-A2.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory.
The major difference between USNO-A2.0 and its previous version USNO-A1.0 is that A1.0 used the Guide Star Catalog as its reference frame whereas A2.0 uses the ICRF as realized by the USNO ACT catalog (Urban et al. 1997). The VizieR search engine uses an on-line compressed version (3.6Gbytes) which was generated at CDS.

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	USNO-A2.0	RAJ2000 deg	DEJ2000 deg	ACTflag	Mflag	Bmag mag	Rmag mag	Epoch yr
1	6.993	13 16 20.04000	+30 40 39.7416	1200-07050113	199.083500	+30.677706			17.4	16.9	1955.287
2	7.207	13 16 19.99536	+30 40 33.4524	1200-07050107	199.083314	+30.675959			17.3	16.8	1955.287
3	10.452	13 16 19.39752	+30 40 27.1020	1200-07050070	199.080823	+30.674195			19.0	18.3	1955.287
4	14.176	13 16 20.55744	+30 40 42.4020	1200-07050141	199.085656	+30.678445			11.2	10.2	1955.287

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC	RAJ2000 deg	DEJ2000 deg	PosErr arcsec	Pmag mag	e_ mag	n_	Class	Plate	Epoch yr
1	13.96	13 16 20.5560	+30 40 41.808	0253500556	199.08565	+30.67828	0.3	14.09	0.40	1	3	002K	1982.384

%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20%3cB%3eGSC-ACT%20%3cEM%3e%28or%20%3cB%3eGSC1.3%29%0ais%20a%20recalibration%20of%20the%20%3cB%3e<%25E%20I/220%7cGSC1.1>,%20the%20catalogue%20constructed%20%0ato%20support%20the%20operational%20need%20of%20the%20Hubble%20Space%20Telescope,%0awith%20the%20%3cB%3e<%25E%20I/246%7cACT>,%20the%20combination%20of%20the%20Astrographic%20Catalogue%0aand%20the%20%3cB%3e%3cEM%3eTycho%20catalogue%20derived%20from%20the%20%3cEM%3e<%25E%20I/239%7cHipparcos>%0amission;%20see%20http://www.projectpluto.com/gsc_act.htm%20for%20more%20details%0aabout%20this%20recalibration.%0a%3cP%3e%0a%22>

>	\BegDIVclass='sort-down ' </A>
dec Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC	RAJ2000 deg	DEJ2000 deg	PosErr arcsec	Pmag mag	e_ mag	n_	Class	Epoch yr
1	14.16	13 16 20.5680	+30 40 41.988	0253500556	199.08570	+30.67833	0.3	14.09	0.40	1	3	1982.384

Note: The current version includes only the North (POSS-I plates)

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	APM-ID	RAJ2000 deg	DEJ2000 deg	rmag mag	l_	rClass	rStel	rDiam arcsec	rEll	bmag mag	l_	bClass	bStel	bDiam arcsec	b-r mag	Mflag
1	14.355	13 16 20.57400	+30 40 42.3408	EO1393-0089505	199.085725	+30.678428	9.91		1	9.89	47.4	0.44	10.52		1	7.69	48.7	0.61
2	15.042	13 16 18.45000	+30 40 31.7100	EO1393-0089703	199.076875	+30.675475	20.00	L	0				22.11		2	6.07	5.1	2.11
3	16.879	13 16 18.84936	+30 40 51.8412	EO1393-0089343	199.078539	+30.681067	19.79		2	7.59	4.9	0.40	22.12	L	0			2.33

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.2	RA(ICRS) deg	DE(ICRS) deg	Epoch yr	Rmag mag	e_ mag	Bjmag [****ClosingBrace(s)Inserted****]
">

Bjmag

%22>%5cFONT SIZE=-1mage_
magClass

a
pixe

113.55413 16 20.53152+30 40 41.4624N122212318357199.085548+30.6781841982.387        3 8.56 0.49 214.09413 16 20.56680+30 40 41.8116N1222123116199.085695+30.6782811989.17410.25 0.4110.98 0.410 17.92 0.44 %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20Detailed%20introduction%20can%20be%20found%20in%20intro.tex%7cintro.tex%20%28see%20also%20http://aries.usno.navy.mil/ad/ac.html%29%20Direct%20links%20to%20Hipparcos%20and%20Tycho%20observations%20are%20provided%20from%20the%20relevant%20columns.%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 "h:m:s"	DEJ2000 "d:m:s"	Bmag mag	mEp yr	e_RAJ2000 (...)	e_DEJ2000 arcsec	ACnum	TYC2	Vmag mag
1	25.140	13 16 20.46400	+30 40 15.3600	13 16 20.464	+30 40 15.36	12.00	1894.372			4616465

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	USNO-B1.0	RAJ2000 deg	DEJ2000 deg	e_RAJ2000 mas	e_DEJ2000 mas	Epoch yr	pmRA mas/yr	pmDE mas/yr	Ndet	B1mag mag	R1mag mag	B2mag mag	R2mag mag	Imag mag
1	6.429	13 16 20.00544	+30 40 39.2916	1206-0208386	199.083356	+30.677581	341	568	1969.6	0	0	3	17.41	16.78			16.57
2	7.400	13 16 19.89336	+30 40 31.7028	1206-0208385	199.082889	+30.675473	69	315	1969.6	-24	-36	3	17.39	16.66			17.04
3	9.094	13 16 19.72536	+30 40 28.6824	1206-0208381	199.082189	+30.674634	927	999	1973.7	0	0	4	18.90	17.43		17.31	17.59
[****ClosingBrace(s)Inserted****]
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%3cEM%3e3&%3cFONT%20COLOR=%27#CD5B45%27>%209.094&%3cFONT%20COLOR=%27#CD5B45%27>13%2016%2019.72536&%3cFONT%20COLOR=%27#CD5B45%27>%2b30%2040%2028.6824&1206-0208381&199.082189&%2b30.674634&927&999&1973.7&%20%20%20%20%200&%20%20%20%20%200&4&18.90&17.43&%20&17.31&17.59%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ664118c84339c&-out.add=.&-source=I/284/out&USNO-B1.0===1206-0208387&-out.orig=o' class='full'4 9.28413 16 20.03136+30 40 30.77041206-0208387199.083464+30.6752149991001976.8 0 0217.85      18.07 510.04613 16 19.51416+30 40 27.37201206-0208376199.081309+30.6742703458541973.7 40 10419.1918.6918.4918.74   611.46013 16 19.15152+30 40 27.04081206-0208373199.079798+30.6741789995401976.8 0 0220.29      18.89 712.98013 16 20.49888+30 40 40.86121206-0208389199.085412+30.6780175371341996.8 0 02    10.43   9.89 814.25913 16 20.56752+30 40 42.29041206-0208390199.085698+30.678414179 811978.6 0 0511.0410.2810.58 9.72 9.81 915.41113 16 19.37688+30 40 52.70161206-0208375199.080737+30.6813069995991994.2 0 02    19.7320.34   1015.76913 16 19.62072+30 40 53.14081206-0208379199.081753+30.6814284303401994.2 0 02    19.7018.72   1116.01213 16 19.85016+30 40 52.88161206-0208384199.082709+30.6813565981301981.2 -144 -42319.30  19.7518.58   1216.60813 16 19.64016+30 40 53.96161206-0208380199.081834+30.6816566741561983.7 252 524  19.9819.5320.0318.75 1317.37813 16 19.54200+30 40 54.79321206-0208377199.081425+30.681887610 791992.2 0 02    20.4719.12   1417.95413 16 19.75488+30 40 55.13161206-0208382199.082312+30.6819814343341994.2 0 02    19.5719.46   1518.40713 16 19.61400+30 40 55.79041206-0208378199.081725+30.682164 216561979.8 -32 -6320.24  20.6718.88   %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20Naval%20Observatory%20Merged%20Astrometric%20Dataset%20%28NOMAD%29%20contains%0aastrometric%20and%20photometric%20data%20for%20over%201%20billion%20stars%20derived%20from%0athe%20Hipparcos%20%28I/239%29,%20Tycho-2%20%28I/259%29,%20UCAC2%20%28I/289%29,%20and%20USNO-B1.0%0a%28I/284%29%20catalogs%20for%20astrometry%20and%20optical%20photometry,%20supplemented%0aby%202MASS%20%28II/246%29%20near-infrared%20photometry.%3cBR%3e%0a%3cFONT%20SIZE=%27-1%27%3eAn%20efficient%20remote%20query%20program%20%3cB%3efindnomad1%20is%0aavailable%20in%20the%20cdsclient%20%0apackage,%20for%20Unix/Linux%20platforms%0a%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	NOMAD1	YM	RAJ2000 deg	DEJ2000 deg	r	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	Bmag mag	r_	Vmag mag	r_	Rmag mag	r_	Jmag mag	Hmag mag	Kmag mag	R
1	6.427	13 16 20.005344	+30 40 39.29016	1206-0212962	..	199.0833556	+30.6775806	B	0.0	0.0	0.0	0.0	17.410	o			16.780	e
2	7.402	13 16 19.893336	+30 40 31.69992	1206-0212961	..	199.0828889	+30.6754722	B	-24.0	1.0	-36.0	8.0	17.390	o			16.660	e
3	9.097	13 16 19.725336	+30 40 28.67988	1206-0212957	..	199.0821889	+30.6746333	B	0.0	0.0	0.0	0.0	18.900	o			17.310	B
4	9.284	13 16 20.031336	+30 40 30.77004	1206-0212963	..	199.0834639	+30.6752139	B	0.0	0.0	0.0	0.0	17.850	o
5	10.048	13 16 19.513992	+30 40 27.36984	1206-0212952	..	199.0813083	+30.6742694	B	40.0	10.0	10.0	26.0	18.490	B			18.740	B
6	11.462	13 16 19.151328	+30 40 27.04008	1206-0212949	..	199.0797972	+30.6741778	B	0.0	0.0	0.0	0.0	20.290	o
7	12.977	13 16 20.498664	+30 40 40.86012	1206-0212965	YM	199.0854111	+30.6780167	B	0.0	0.0	0.0	0.0	15.040	Y	14.240	Y			14.471	13.893	13.577
[****ClosingBrace(s)Inserted****]
7	12.977	13 16 20.498664	+30 40 40.86012	1206-0212965	YM	199.0854111	+30.6780167	B	0.0	0.0	0.0	0.0	15.040	Y	14.240	Y			14.471	13.893	13.577

%22>\Ahref='VizieR-5?-ref=VIZ664118c84339c&-out.add=.&-source=I/297/out&NOMAD1===1206-0212966' class='full'814.25713 16 20.567328+30 40 42.290041206-0212966..199.0856972+30.6784139B 0.0 0.0 0.0 0.010.580B     9.720B         915.41013 16 19.376664+30 40 52.700161206-0212951..199.0807361+30.6813056B 0.0 0.0 0.0 0.019.730B    20.340B         1015.76913 16 19.620672+30 40 53.140081206-0212955..199.0817528+30.6814278B 0.0 0.0 0.0 0.019.700B    18.720B         1116.01013 16 19.849992+30 40 52.880161206-0212960..199.0827083+30.6813556B -144.0 22.0 -42.0 4.019.750B    18.580B         1216.60613 16 19.639992+30 40 53.960161206-0212956..199.0818333+30.6816556B 252.0 29.0 52.0 6.019.530B    20.030B         1317.37513 16 19.542000+30 40 54.789961206-0212953..199.0814250+30.6818861B 0.0 0.0 0.0 0.020.470B    19.120B         1417.95213 16 19.754664+30 40 55.130161206-0212958..199.0823111+30.6819806B 0.0 0.0 0.0 0.019.570B    19.460B         1518.40713 16 19.614000+30 40 55.790041206-0212954..199.0817250+30.6821639B -32.0 0.0 -6.0 24.020.670B    18.880B         %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20Zone%20-30/%2b50deg%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	CMC14	f_	RAICRS deg	DEICRS deg	r'mag mag	Nt	Jmag mag	Hmag mag	Ksmag mag
1	11.248	13 16 20.31816	+30 40 32.6388	131620.3+304032		199.084659	+30.675733	17.501	1

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