1999A&AS..139..575W

Query : 1999A&AS..139..575W

1999A&AS..139..575W - Astron. Astrophys., Suppl. Ser., 139, 575-599 (1999/November-1)

An AGN sample with high x-ray-to-optical flux ratio from RASS. I. The optical identification.

WEI J.Y., XU D.W., DONG X.Y. and HU J.Y.

Abstract (from CDS):

We present the first results of a program to identify the unknown bright active galactic nuclei (AGN) in the ROSAT All Sky Survey Bright Source Catalog (RASS-BSC). We have used logC + 0.4R as an alternative expression for log(f_X/f_opt), where C is X-ray count rate and R stands for R magnitude. Then a high X-ray-to-optical flux ratio criterion has been used to select an AGN sample with 165 unidentified X-ray sources for optical spectroscopy. Those 165 X-ray sources have been identified in the following classes: 115 emission line AGN (QSOs and Seyferts), 2 BL Lac objects and 4 BL Lac candidates, 22 clusters of galaxies, 12 Galactic stars and 10 objects remain unidentified. This represent a success rate of about 73% for detecting AGN using our selection criteria. Plausibility is based upon the optical classification and X-ray characteristics of the sources.

Abstract Copyright: ∼

Journal keyword(s): surveys - X-rays: general - X-rays: galaxies - galaxies: active

VizieR on-line data: <Available at CDS (J/A+AS/139/575): table2.dat>

Nomenclature: Table 2: [WXD99] JHHMMSS.ss+DDMMSS.s N=174.

Simbad objects: 191

Full paper

View the references in ADS

Number of rows : 191

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2023	#notes
1	LEDA 3095388	Sy1	00 00 11.7263871960	+05 23 17.514764988		16.4				~	15	0
2	QSO B2358+1707	QSO	00 00 55.9698654096	+17 23 38.865142464			17.20			~	8	0
3	LEDA 3095396	Sy1	00 05 49.4949230016	+10 22 37.672629420			16.7			~	11	0
4	ZwCl 0003+1035	ClG	00 06 20.2	+10 51 51						~	22	0
5	LEDA 3095400	Sy1	00 09 15.2002701144	+24 37 39.154673496		17.8	17.6			~	13	0
6	2MASS J00095244+3719100	Sy1	00 09 52.4429494800	+37 19 09.974423640			16.60			~	8	0
7	LEDA 2106152	Sy1	00 11 21.0043242672	+37 39 23.030535240			16.5			~	9	0
8	LEDA 3095403	Sy1	00 14 53.0601056208	+27 05 42.572250492			16.4			~	9	0
9	LEDA 3095409	Sy1	00 20 07.2398282304	+32 44 10.620987468			17.0			~	11	0
10	PSZ2 G114.90-34.35	GrG	00 21 24.6149	+28 03 01.550		17.8				~	21	0
11	2MASS J00213532+2803178	GiC	00 21 35.3206326912	+28 03 17.761192704		19.1				~	3	0
12	2MASS J00213622+2803112	GiC	00 21 36.2243310696	+28 03 11.092399272		16.1				~	3	0
13	2MASS J00213680+2803020	GiC	00 21 36.80	+28 03 02.0		15.0				~	10	0
14	1RXS J002433.0+331237	ClG	00 24 32.7	+33 12 25						~	9	0
15	SDSS J002445.69+082057.0	Sy1	00 24 45.697	+08 20 57.03		17.2	17.2			~	14	0
16	9C J0028+3103	QSO	00 28 10.7266056864	+31 03 48.087918792		15.47	15.22	14.56		~	22	1
17	LEDA 1611295	Sy1	00 29 02.9546	+19 57 10.165			17.50			~	15	0
18	9C J0031+3016	Sy1	00 31 21.9963187416	+30 16 02.222460300			18.2	15.95		~	12	1
19	2MASX J00322105+2423589	Sy1	00 32 21.0346175856	+24 23 59.399983356		17.3				~	15	0
20	GD 8	WD*	00 39 52.1658354768	+31 32 29.133060396	13.255	14.424	14.699	14.844	15.047	DA1.0	33	0
21	2MASS J00445912+1921412	Sy1	00 44 59.1277028184	+19 21 41.244352128			16.1			~	34	0
22	LEDA 3095461	Sy1	00 50 33.7688071008	+04 41 49.213240296			17.2			~	11	0
23	2MASS J00505073+3536429	Sy1	00 50 50.7386735880	+35 36 42.956888112			14.60			~	21	0
24	[VV98] J005607.8+254802	QSO	00 56 07.6762112664	+25 48 04.730037768			14.90			~	16	0
25	MCXC J0112.2+3302	ClG	01 12 17.3	+33 02 18						~	8	0
26	LEDA 2816267	Sy1	01 16 54.0506417712	+25 49 28.396909128		16.7				~	9	0
27	2MASS J01174562+3637144	Sy1	01 17 45.6294902136	+36 37 14.447234532			15.60			~	14	0
28	[WXD99] J011749.45+361026.2	X	01 17 48.0	+36 10 42						~	2	0
29	[VV2000] J011849.5+383619	Sy1	01 18 49.3948727760	+38 36 19.973407464			16.80			~	9	0
30	[WXD99] J012026.39+384915.5	X	01 20 28.0	+38 49 18						~	3	0
31	NAME OKM2018 SWIFT J0126.0+3511	Sy1	01 25 55.9400520384	+35 10 36.844827996		17.28	16.42			~	20	0
32	2MASS J01292245+2231102	Sy1	01 29 22.4565302016	+22 31 10.228283544			17.00			~	13	0
33	87GB 013336.4+385101	BLL	01 36 32.5983798936	+39 05 59.199517428			15.80	15.5		~	117	1
34	2MASS J01373678+8524106	Sy1	01 37 36.6887701104	+85 24 10.602995220			16.60			~	6	0
35	PG 0136+251	WD*	01 38 52.9776840264	+25 23 22.640581464		15.83				DA1.2	83	0
36	LEDA 3095538	Sy1	01 40 22.8953748912	+24 02 51.525519684			17.0			~	13	0
37	LEDA 3095539	Sy1	01 40 24.3452841816	+38 24 09.611584272			16.9			~	8	0
38	ATO J026.8855+34.8977	PM*	01 47 32.4829383792	+34 53 52.630861488						M3.5	8	0
39	[WXD99] J015506.26+335512.0	X	01 55 05.4	+33 54 52						~	2	0
40	LEDA 3095555	Sy1	01 55 36.0252884760	+31 15 17.994533004			17.3			~	12	0
41	LEDA 3095557	Sy1	01 55 46.3831542096	+07 19 03.992732724			17.7			~	9	0
42	LEDA 3095558	Sy1	01 55 55.3234885416	+04 06 20.204469360			17.6			~	14	0
43	LEDA 3095559	Sy1	01 56 21.3544536864	+24 18 37.535660784			17.0			~	9	0
44	V* AI Tri	CV*	02 03 48.6151979976	+29 59 25.897508700						M2.5	42	1
45	2MASS J02285130+3359105	*	02 28 51.2993057256	+33 59 10.496482908						~	1	0
46	1RXS J022851.6+335949	X	02 28 51.6	+33 59 49						~	2	0
47	2MASS J02285318+3359406	*	02 28 53.1814698312	+33 59 40.573132872						~	2	0
48	2MASS J02285366+3400200	NIR	02 28 53.66	+34 00 20.1						~	1	0
49	2MASS J02360137+0821268	Sy1	02 36 01.3818446952	+08 21 27.203295924		19.4	17.80			~	8	0
50	LEDA 1556520	Sy1	02 37 40.4631418560	+18 19 41.910375000			16.40			~	9	0
51	[VV98] J024214.2+074450	QSO	02 42 14.1936675912	+07 44 53.346416028			17.40			~	9	0
52	LEDA 1581349	Sy1	03 35 22.5654279048	+19 07 28.862238504			17.10			~	19	0
53	LEDA 3095647	Sy1	03 43 08.2980291072	+18 58 26.255445924			16.7			~	10	0
54	WD 0340+103	WD*	03 43 14.3363321400	+10 29 38.495543064						DAH	10	0
55	LEDA 3095653	Sy1	03 51 47.8308284208	+10 36 07.487832132			17.6			~	9	0
56	IC 355	Sy1	03 53 46.2475823496	+19 58 26.065455780		15.4	15.4			~	21	0
57	[WXD99] J035346.53+195817.8	?	03 53 46.53	+19 58 17.8						~	1	0
58	LEDA 3095662	Sy1	04 05 13.3091974872	+17 36 43.571250720			20.0			~	8	0
59	2MASS J04114690+1324166	Sy1	04 11 46.9039467936	+13 24 16.726719528			17.40			~	12	0
60	LEDA 2816425	Sy1	04 44 28.7756530728	+12 21 11.721056364						~	57	0
61	LEDA 3095734	Sy1	06 23 35.1247400616	+64 45 36.522367272			17.2			~	18	0
62	V* MU Cam	XB*	06 25 16.2519466536	+73 34 39.105603804				14.3		~	67	0
63	2MASS J06513666+5637379	Sy1	06 51 36.6733983432	+56 37 37.831400220			17.40			~	7	0
64	2MASS J06513689+5637221	*	06 51 36.9090273264	+56 37 22.134547992						~	2	0
65	LEDA 2507028	Sy1	06 52 11.5997938344	+55 34 34.325650704			16.8			~	7	0
66	2MASS J07100680+5002467	Sy1	07 10 06.7985014512	+50 02 46.857024780			16.80			~	14	1
67	ATO J108.4178+38.3444	Sy1	07 13 40.2851797416	+38 20 39.886051164		14.7				~	29	0
68	2MASX J07185777+7059209	Sy1	07 18 57.7710569256	+70 59 21.155137116			17.4			~	9	0
69	2MASS J07192423+5708392	Sy1	07 19 24.2381377488	+57 08 39.380334864		16.3				~	11	0
70	2MASS J07222263+7320350	Sy1	07 22 22.6827302256	+73 20 34.991374020			17.50			~	8	0
71	LEDA 3095752	Sy1	07 24 08.8255530240	+35 53 06.288370296		18.21	17.75			~	10	0
72	LEDA 1908991	Sy1	07 28 26.6795362464	+30 34 12.900636336			17.4			~	9	0
73	LEDA 3095757	Sy1	07 29 12.2640719016	+41 05 51.362962440		18.49	18.06			~	16	0
74	2MASS J07315228+2804215	*	07 31 52.2790423152	+28 04 21.422067600						~	2	0
75	ICRF J073152.7+280432	BLL	07 31 52.7289827136	+28 04 32.936159892			17.60	16.2		~	29	1
76	ACO 586	ClG	07 32 20.3	+31 37 58						~	174	0
77	2MASS J07330920+4555062	Sy1	07 33 09.2030748072	+45 55 06.252756060		16.32	16.01			~	40	0
78	2MASX J07372090+3517416	BLL	07 37 20.929	+35 17 41.71			18.90	15.6		~	15	0
79	LEDA 3095763	Sy1	07 37 35.5914892920	+43 08 51.143227296		18.47	18.04			~	25	0
80	RX J0740.1+2406	X	07 40 03.90	+24 06 15.6						~	3	0
81	LEDA 3095768	Sy1	07 42 27.0835156656	+46 56 43.005441660		17.95	17.60			~	29	0
82	2E 1852	Sy1	07 43 12.5393029560	+74 29 36.758906988			17.53			~	26	0
83	LEDA 1637803	Sy1	07 47 59.1949045488	+20 52 25.352469912		16.42	16.00			~	11	0
84	7C 074532.29+451808.00	Sy1	07 49 06.5072407224	+45 10 33.871524744		17.34	17.10	15.7		~	73	1
85	2MASS J07502636+2707168	Sy1	07 50 26.3608073040	+27 07 16.758672528		19.25	18.47			~	12	0
86	2MASS J07504045+6242131	Sy1	07 50 40.4705421504	+62 42 12.997986048			18.7			~	8	0
87	2MASS J07512509+1730509	BLL	07 51 25.1041069464	+17 30 51.212558772			18.2	18.2		~	29	0
88	2MASSI J0754079+431610	Sy1	07 54 07.9625084328	+43 16 10.591333428		17.66	17.42			~	43	0
89	[VV2000] J075409.7+512429	QSO	07 54 09.6790460904	+51 24 28.967272848		17.99	17.77			~	22	0
90	2MASS J07541195+5124169	*	07 54 11.9651415576	+51 24 16.851364920		17.0				~	2	0
91	[VV2000] J075634.7+362214	QSO	07 56 34.6447446168	+36 22 15.307093344		17.71	17.50			~	28	0
92	2MASS J07563487+3622431	*	07 56 34.8810110232	+36 22 43.083459084						~	2	0
93	LEDA 1399996	Sy1	07 59 10.4435446032	+11 51 56.797424604		17.57	17.25			~	21	0
94	ATO J120.3831+47.6044	Sy1	08 01 31.9656875184	+47 36 16.062127020		16.51	16.29			~	68	1
95	2MASS J08035902+4332367	*	08 03 59.0271339504	+43 32 36.833066448		17.1				~	2	0
96	2MASSI J0803592+433258	Sy1	08 03 59.2337553168	+43 32 58.353489240		17.78	17.72			~	38	0
97	2MASS J08053469+5431288	Sy1	08 05 34.6865960544	+54 31 28.843553568		16.55	16.43			~	25	0
98	2MASS J08054805+1126067	*	08 05 48.0560492976	+11 26 06.826724952						~	2	0
99	2MASX J08054886+1126173	Sy1	08 05 48.8472030480	+11 26 17.579333220		18.82	18.52			~	11	0
100	ICRF J080625.9+593106	BLL	08 06 25.9488552792	+59 31 06.910219092		17.16	16.72	15.7		~	50	1
101	LEDA 3095785	Sy1	08 06 38.9574958032	+72 48 20.403834696		15.9				~	26	1
102	LEDA 3095786	Sy1	08 07 27.3143489208	+14 05 37.095110628		17.60	17.33			~	15	0
103	RX J081010.6+351718	X	08 10 10.601	+35 17 17.99						~	3	0
104	2MASS J08101218+3517188	GiC	08 10 12.1761589968	+35 17 18.747160332		19.4				~	4	0
105	2MASX J08101279+3517224	GiC	08 10 12.8153374008	+35 17 22.360417296		18.5				~	4	0
106	2MASS J08102135+4217128	NIR	08 10 21.3398725848	+42 17 12.815017008		19.3				~	3	0
107	LAMOST J081022.53+421642.2	G	08 10 22.5256486080	+42 16 42.247354620		18.1				~	4	0
108	ClG J0810+4216	ClG	08 10 24.2	+42 16 19						~	26	0
109	LEDA 2232856	Sy1	08 12 37.8330656592	+43 56 35.014538112		18.61	18.19			~	32	0
110	LEDA 3095793	Sy1	08 15 01.8526373232	+52 52 55.459913160		17.34	17.02			~	35	0
111	NAME OKM2018 SWIFT J0817.0+1795	Sy1	08 16 51.1070953776	+18 02 49.752261924		17.54	17.28			~	27	0
112	2MASS J08171856+5201477	Sy1	08 17 18.5672055696	+52 01 47.768877228		18.90	18.25			~	23	0
113	2MASS J08173833+2423301	Sy1	08 17 38.3330892168	+24 23 30.038955216		17.31	17.09			~	35	0
114	RX J0821.0+0752	ClG	08 21 02.4	+07 51 47						~	58	1
115	ZwCl 0823+0425	ClG	08 25 57.8	+04 14 48						~	35	0
116	QSO J0826+0742	QSO	08 26 33.5091753360	+07 42 48.410916120		17.31	16.99			~	37	0
117	7C 082452.20+420348.00	BLL	08 28 14.2042209168	+41 53 51.876352428		19.72	18.70			~	39	1
118	[WXD99] J082904.63+074339.7	X	08 29 04.4	+07 43 35						~	2	0
119	LEDA 2188986	Sy1	08 29 42.6782568912	+41 54 36.832341204		19.07	18.45			~	37	0
120	2MASX J08373702+2547507	Sy1	08 37 37.0388008224	+25 47 50.539297812		19.19	18.33			~	29	0
121	2MASS J08382001+2410250	NIR	08 38 20.0169459336	+24 10 25.146592788		19.2				~	2	0
122	2MASX J08382122+2410367	Sy1	08 38 21.2168679816	+24 10 36.639913476		17.95	17.43			~	24	0
123	[WXD99] J083821.29+241040.0	?	08 38 21.29	+24 10 40.0						~	1	0
124	2MASS J08400013+4437379	Sy1	08 40 00.1420617816	+44 37 37.911969876		18.34	17.95			~	20	0
125	LEDA 3095818	Sy1	08 40 25.5121679232	+03 33 01.791840996		17.49	17.19			~	22	0
126	[VV2000] J084302.9+030218	QSO	08 43 02.9694794088	+03 02 18.917276712		16.25	16.12			~	27	0
127	LEDA 3095824	Sy1	08 46 22.5290288088	+03 13 22.161895140		18.12	17.68			~	19	0
128	RX J0846.9+7044	*	08 46 58.4	+70 44 52						F5V	5	0
129	2MASX J08482803+8111469	BLL	08 48 27.9981141456	+81 11 47.489378460			18.70	15.1		~	13	0
130	LEDA 3095827	Sy1	08 48 55.9528174032	+58 41 54.177918432		19.51	18.88			~	11	0
131	2MASX J08491966+5317298	Sy2	08 49 19.7161313664	+53 17 30.087772656		19.00	18.10			~	24	0
132	LEDA 3095833	Sy1	08 52 33.8105615544	+42 25 44.967378396		18.52	17.98			~	17	0
133	LEDA 3095839	Sy1	08 53 59.4208488264	+77 00 54.563044176			17.0			~	10	0
134	2MASS J08544364+4019077	Sy1	08 54 43.6409310456	+40 19 07.817446380		17.80	17.46			~	29	0
135	LEDA 2632054	Sy1	08 57 05.2527352848	+62 10 47.107755660		19.90	19.13			~	12	0
136	2MASX J08582056+6420476	Sy1	08 58 20.5076404200	+64 20 48.285238560		20.09	19.35			~	13	0
137	ATO J134.7620+48.7692	Sy1	08 59 02.8979138088	+48 46 09.344365284		15.49	15.31			~	22	0
138	2MASS J19091092+6652212	Sy1	19 09 10.8951434880	+66 52 21.340104456			16.20			~	9	0
139	2MASS J19370820+6608213	AG?	19 37 08.2068779784	+66 08 21.361383240						~	4	0
140	2MASS J19392938+7007490	Sy1	19 39 29.4183669816	+70 07 48.999619884		16.3	16.1			~	12	0
141	[WXD99] J194017.24+680729.9	ClG	19 40 17.24	+68 07 29.9						~	4	0
142	1RXS J194639.7+704552	CV?	19 46 38.0848681598	+70 45 55.608643568		14.999	14.158	14.037		~	3	0
143	2MASS J19464053+7045572	*	19 46 40.5406524384	+70 45 57.345430752						~	1	0
144	ZwCl 2102+1351	ClG	21 04 51.0939	+14 02 04.941						~	15	0
145	[WXD99] J210453.14+140130.3	?	21 04 53.14	+14 01 30.3						~	1	0
146	[WXD99] J210453.36+140129.8	?	21 04 53.36	+14 01 29.8						~	1	0
147	2MASX J21055093+0414384	Sy1	21 05 50.9071615632	+04 14 38.298089004						~	6	0
148	LEDA 3096620	Sy1	21 26 53.9609199384	+11 24 00.972270684						~	10	0
149	2MASS J21430928+1537054	Sy1	21 43 09.2874290208	+15 37 05.483292924			16.70			~	7	0
150	[VV98] J214654.1+092049	QSO	21 46 54.0771441576	+09 20 48.821157636			17.10			~	11	0
151	RX J2149.3+0929	X	21 49 23.9	+09 29 21						~	4	0
152	[WXD99] J215852.21+244214.4	X	21 58 53.5	+24 42 06						~	2	0
153	[WXD99] J215912.35+095242.2	?	21 59 12.35	+09 52 42.2						~	1	0
154	[WXD99] J215912.35+095243.4	?	21 59 12.35	+09 52 43.4						~	1	0
155	2MASS J21591235+0952433	Sy1	21 59 12.3574165944	+09 52 43.500920232		16.03	15.52			~	12	0
156	RX J2215.2+1715	X	22 15 13.5	+17 15 24						~	4	0
157	4C 28.53	Sy1	22 15 36.8425811064	+29 02 35.873990232		16.85	16.60			~	21	1
158	[WXD99] J221631.29+290016.1	X	22 16 31.3	+29 00 26						~	3	0
159	LEDA 3096673	Sy1	22 19 18.5300391432	+12 07 53.200096068		17.71	17.19			~	46	0
160	ICRF J221944.1+212053	BLL	22 19 44.17536675	+21 20 53.1858207			17.00			~	26	2
161	[VV2000] J222537.6+225926	Sy1	22 25 37.4758753728	+22 59 26.550764736			16.10			~	10	0
162	2MASS J22265588+2550095	BiC	22 26 55.8849483360	+25 50 09.287627928						~	10	0
163	2MASS J22265606+2549382	NIR	22 26 56.0502066240	+25 49 38.578290384						~	2	0
164	LEDA 2035083	Sy1	22 28 46.2731742480	+33 35 08.706213384						~	9	0
165	B2 2227+30	QSO	22 29 34.1470249584	+30 57 12.086344116			16.80	15.8		~	27	1
166	LEDA 3096684	Sy1	22 30 19.6464542616	+16 31 12.692880732						~	10	0
167	LEDA 3096697	Sy1	22 46 21.6635836464	+31 42 07.973356536						~	13	2
168	LEDA 3096701	Sy1	22 49 39.5463730320	+11 00 28.935249120		15.8				~	15	0
169	LEDA 3096705	Sy1	22 51 47.7262970952	+34 19 30.355243752			16.8			~	9	0
170	LEDA 1785934	Sy1	22 52 09.3577987800	+26 42 41.224859964		16.0	16.0			~	11	0
171	2MASS J22545350+2414407	*	22 54 53.5019164320	+24 14 40.573730112		16.9				~	2	0
172	RX J2254.8+2414	BY*	22 54 55.0054967640	+24 14 45.041924040		15.68	12.70	12.91		M2	8	0
173	LEDA 1771379	BLL	22 56 39.1632299400	+26 18 43.654096980				15.8		~	22	1
174	2MASX J23032499+0756431	BiC	23 03 24.9982932096	+07 56 43.377197136						~	8	0
175	2MASX J23032790+1443491	SyG	23 03 27.9401705184	+14 43 49.301296320		16.4				~	10	0
176	V* V405 Peg	CV*	23 09 49.1427434688	+21 35 17.178113760		16.675	16.193	16.025		?+M3/4.5e	39	1
177	MCXC J2311.1+1137	ClG	23 11 09.0	+11 37 54						~	9	0
178	[VV98] J231455.9+224322	QSO	23 14 55.8927127128	+22 43 22.790179200		16.89	16.30			~	24	0
179	LEDA 3096723	Sy1	23 15 17.0779051800	+18 28 14.604931596			16.5	16.32		~	13	0
180	ACO 2588	ClG	23 23 38.8	+09 08 50						~	17	0
181	SWIFT J2325.6+2157	Sy1	23 25 54.2500433280	+21 53 13.871758596		15.6	15.9			~	42	0
182	2MASS J23284140+2248479	Sy1	23 28 41.4075046752	+22 48 47.978583984		17.3				~	14	0
183	V* EI Psc	CV*	23 29 54.2146447848	+06 28 11.596023228		16.86	16.22			~	123	0
184	BD+19 5116	**	23 31 52.17898	+19 56 14.1505	12.737	11.749	10.165	8.982	7.446	M4+M5	443	0
185	RX J2333.2+2255	X	23 33 16.8	+22 55 49						~	5	1
186	MCG+01-60-030	BiC	23 44 57.4174372704	+09 11 35.283893712		15.6				~	32	0
187	LEDA 3096754	Sy1	23 47 28.7343587784	+24 27 45.719391672		17.1	17.1			~	15	0
188	[VV98] J234735.1+271900	QSO	23 47 35.1747938280	+27 19 01.493679288		16.41	16.06			~	22	1
189	ZwCl 2348+2908	ClG	23 50 34.3	+29 29 55			17.0			~	33	0
190	LEDA 1771917	Sy1	23 51 52.7990140728	+26 19 32.657428164						~	15	0
191	2MASS J23575380+1324094	Sy1	23 57 53.8112075664	+13 24 09.483638544			15.80			~	13	0

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