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	8.748	01 05 45.78072	+49 32 03.2712	1350-01083627	016.440753	+49.534242			17.5	16.6	1953.784
2	17.740	01 05 44.92152	+49 32 11.7816	1350-01083400	016.437173	+49.536606			16.5	14.9	1953.784

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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 mag	e_ mag	Class	a pix	e
1	8.808	01 05 45.78096	+49 32 03.0660	N33002011656	016.440754	+49.534185	1989.615	16.93	0.42	17.83	0.40	0	2.80	0.03
2	17.775	01 05 44.89920	+49 32 11.2452	N33002011667	016.437080	+49.536457	1989.615	15.24	0.41	16.59	0.40	0	3.52	0.02

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>	\BegDIVclass='sort-down ' </A>
dec 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	5.420	01 05 47.02752	+49 32 09.7404	1395-0027928	016.445948	+49.536039	87	55	1989.6	0	0	2			21.43	20.76
2	8.943	01 05 45.75888	+49 32 03.3000	1395-0027919	016.440662	+49.534250	36	47	1976.3	0	0	5	18.24	17.18	18.55	17.11	16.85
3	18.101	01 05 44.87208	+49 32 11.4900	1395-0027913	016.436967	+49.536525	69	136	1976.3	-8	-6	5	17.18	15.15	17.58	15.25	14.74
4	25.692	01 05 44.95416	+49 32 25.6308	1395-0027915	016.437309	+49.540453	277	159	1991.3	0	0	3			21.16	19.43	19.63
5	27.579	01 05 48.51408	+49 31 45.1812	1395-0027936	016.452142	+49.529217	109	74	1981.9	8	-12	4		19.72	21.34	20.31	19.28

Note: More recent versions available: UCAC3 (I/315) and UCAC4 (I/322); see also the UCAC home page at http://ad.usno.navy.mil/ucac/

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	2UCAC	RAJ2000 deg	e_ mas	DEJ2000 deg	e_ mas	UCmag mag	No	Nc	pmRA mas/yr	pmDE mas/yr	2Mkey	Jmag mag	Kmag mag
1	18.077	01 05 44.865552	+49 32 11.21028	48016297	016.4369398	35	+49.5364473	39	15.81	2	2	-6.0	-14.6	463306544	13.684	12.999

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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	[****ClosingBrace(s)Inserted****]
">

mag&%">\BegDIVclass='sort-down ' </A>decHmag
magKmag
mag

R

1 5.41901 05 47.027328+49 32 09.740041395-0028272..016.4459472+49.5360389B 0.0 0.0 0.0 0.021.430B    20.760B         2 8.94501 05 45.758664+49 32 03.300001395-0028263YM016.4406611+49.5342500B 0.0 0.0 0.0 0.017.430Y16.780Y17.110B15.70115.50615.570   318.07701 05 44.865528+49 32 11.209921395-0028257YM016.4369397+49.5364472C -6.0 5.0 -14.6 5.016.300Y15.500Y15.250B13.68413.14112.999   425.69301 05 44.953992+49 32 25.630081395-0028259..016.4373083+49.5404528B 0.0 0.0 0.0 0.021.160B    19.430B         527.57901 05 48.514008+49 31 45.180121395-0028280..016.4521417+49.5292167B 8.0 4.0 -12.0 3.021.340B    20.310B         %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	9.062	01 05 45.75168	+49 32 03.1236	010545.7+493203		016.440632	+49.534201	16.824	1	15.701
2	18.095	01 05 44.86368	+49 32 11.2128	010544.8+493211		016.436932	+49.536448	15.343	1	13.684	13.141	12.999

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.3	RAJ2000 deg	DEJ2000 deg	Epoch yr	Fmag mag	jmag mag	Vmag mag	Nmag mag	Class	a pix	e
1	8.807	01 05 45.78096	+49 32 03.0696	NBVL001656	016.440754	+49.534186	1989.615	16.93	17.83	17.33	16.82	0	2.80	0.03
2	17.774	01 05 44.89944	+49 32 11.2488	NBVL001667	016.437081	+49.536458	1989.615	15.24	16.59	15.55	14.88	0	3.52	0.02
3	25.328	01 05 45.00192	+49 32 25.5408	NBVL001696	016.437508	+49.540428	1989.615	19.24	20.50			3	2.02	0.11
[****ClosingBrace(s)Inserted****]
">

%3cEM%3e3&%3cFONT%20COLOR=%27#CD5B45%27>25.328&%3cFONT%20COLOR=%27#CD5B45%27>01%2005%2045.00192&%3cFONT%20COLOR=%27#CD5B45%27>%2b49%2032%2025.5408&NBVL001696&016.437508&%2b49.540428&1989.615&19.24&20.50&%20&%20&3&%20%202.02&%200.11%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ66382e96212548&-out.add=.&-source=I/305/out&GSC2.3===NBVL001624&-out.orig=o' class='full'427.97301 05 48.54384+49 31 44.9112NBVL001624016.452266+49.5291421989.61519.4020.61  18.663 1.92 0.16 %0a%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	pmRA mas/yr	pmDE mas/yr	Jmag mag	Kmag mag	b1mag mag	b2mag mag	r1mag mag	r2mag mag	imag mag	No	fl
1	8.973	01 05 45.76392	+49 32 03.0444	016.440683	+49.534179	-0.8	-1.5	15.701	15.571	18.24	18.55	17.18	17.11	16.85	6	0
2	17.992	01 05 44.87544	+49 32 11.2344	016.436981	+49.536454	-9.3	-6.9	13.684	12.999	17.18	17.58	15.15	15.25	14.74	6	0
3	27.758	01 05 48.51840	+49 31 44.9796	016.452160	+49.529161	7.6	-11.6				21.34	19.72	20.31	19.28	4	0

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