2009ApJ...706..599L

Query : 2009ApJ...706..599L

2009ApJ...706..599L - Astrophys. J., 706, 599-613 (2009/November-3)

Comparison of Hα and UV star formation rates in the local volume: systematic discrepancies for dwarf galaxies.

LEE J.C., GIL DE PAZ A., TREMONTI C., KENNICUTT R.C., SALIM S., BOTHWELL M., CALZETTI D., DALCANTON J., DALE D., ENGELBRACHT C., FUNES J.G., JOHNSON B., SAKAI S., SKILLMAN E., VAN ZEE L., WALTER F. and WEISZ D.

Abstract (from CDS):

Using a complete sample of ∼300 star-forming galaxies within 11 Mpc of the Milky Way, we evaluate the consistency between star formation rates (SFRs) inferred from the far ultraviolet (FUV) non-ionizing continuum and Hα nebular emission, assuming standard conversion recipes in which the SFR scales linearly with luminosity at a given wavelength. Our analysis probes SFRs over 5 orders of magnitude, down to ultra-low activities on the order of ∼10^–4 M_☉/yr. The data are drawn from the 11 Mpc Hα and Ultraviolet Galaxy Survey (11HUGS), which has obtained Hα fluxes from ground-based narrowband imaging, and UV fluxes from imaging with GALEX. For normal spiral galaxies (SFR ∼ 1 M_☉/yr), our results are consistent with previous work which has shown that FUV SFRs tend to be lower than Hα SFRs before accounting for internal dust attenuation, but that there is relative consistency between the two tracers after proper corrections are applied. However, a puzzle is encountered at the faint end of the luminosity function. As lower luminosity dwarf galaxies, roughly less active than the Small Magellanic Cloud, are examined, Hα tends to increasingly underpredict the total SFR relative to the FUV. The trend is evident prior to corrections for dust attenuation, which affects the FUV more than the nebular Hα emission, so this general conclusion is robust to the effects of dust. Although past studies have suggested similar trends, this is the first time this effect is probed with a statistical sample for galaxies with SFR ≲ 0.1 M_☉/yr. By SFR ∼ 0.003 M_☉/yr, the average Hα-to-FUV flux ratio is lower than expected by a factor of two, and at the lowest SFRs probed, the ratio exhibits an order of magnitude discrepancy for the handful of galaxies that remain in the sample. A range of standard explanations does not appear to be able to fully account for the magnitude of the systematic. Some recent work has argued for a stellar initial mass function which is deficient in high-mass stars in dwarf and low surface brightness galaxies, and we also consider this scenario. Under the assumption that the FUV traces the SFR in dwarf galaxies more robustly, the prescription relating Hα luminosity to SFR is re-calibrated for use in the low SFR regime when FUV data are not available.

Abstract Copyright: ∼

Journal keyword(s): galaxies: dwarf - galaxies: evolution - galaxies: photometry - stars: formation - surveys - ultraviolet: galaxies

VizieR on-line data: <Available at CDS (J/ApJ/706/599): table1.dat>

CDS comments: Table 1: numbering NNN not used in SIMBAD.

Simbad objects: 319

Full paper

View the references in ADS

Number of rows : 319

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	MCG-03-01-015	G	00 01 57.9	-15 27 50		11.50	11.10	10.93		~	782	2
2	MCG-05-01-031	EmG	00 05 31.86	-28 05 53.4		15.12		14.56	15.9	~	58	0
3	NGC 24	EmG	00 09 56.542	-24 57 47.27	12.12	12.20	11.58	11.46	11.5	~	269	1
4	NGC 45	Sy2	00 14 04.0072128696	-23 10 55.132646808	11.92	11.21	10.73	10.58	10.4	~	269	1
5	NGC 55	rG	00 14 53.602	-39 11 47.86	8.54	8.58	7.87	7.84		~	828	2
6	NGC 59	EmG	00 15 25.126	-21 26 39.68	14.01	13.21	12.59	12.31		~	111	0
7	MCG-04-02-003	AG?	00 19 11.47	-22 40 05.8		15.90		14.8	15.2	~	31	0
8	ESO 473-24	AG?	00 31 22.51	-22 45 57.5		16.11		15.87	17.7	~	62	1
9	NAME Andromeda IV	G	00 42 32.3	+40 34 19						~	80	0
10	IC 1574	AG?	00 43 03.82	-22 14 48.8	15.25	14.73	14.35	14.24	14.2	~	137	1
11	NGC 247	LSB	00 47 08.554	-20 45 37.44	10.11	9.61	9.10	8.87		~	480	2
12	NGC 253	SyG	00 47 33.134	-25 17 19.68		8.03		6.94	8.1	~	3588	2
13	NAME SMC	G	00 52 38.0	-72 48 01		2.79	2.2			~	12317	1
14	NGC 300	GiG	00 54 53.4465638304	-37 41 03.168402396	8.83	8.69	8.13	7.46		~	1614	2
15	IC 1613	GiC	01 04 48.4071	+02 07 10.185		10.42	10.01	9.77		~	1316	2
16	Z 458-20	AG?	01 07 23.0321	+16 41 00.988	15.01	14.55	14.07			~	148	0
17	Z 385-2	LSB	01 07 46.4168514120	+01 03 49.112609292	15.73	15.26	14.84	14.67	15.6	~	59	0
18	Z 436-33	AG?	01 21 18.90	+12 24 43.0	15.36	14.82	14.36	12.87		~	112	0
19	Z 459-60	AG?	01 28 47.232	+16 41 16.71	16.06	15.45	15.10	15.23		~	47	0
20	Z 460-6	AG?	01 32 42.5190557016	+18 19 01.514434548	15.03	14.56	14.13	13.89		~	101	0
21	M 33	GiG	01 33 50.8965749232	+30 39 36.630403128	6.17	6.27	5.72			~	6226	1
22	NGC 625	AGN	01 35 04.632	-41 26 10.32	12.37	11.78	11.25	11.03	11.5	~	312	2
23	M 74	G	01 36 41.7451236624	+15 47 01.107512304	10.52	10.00	9.46	9.16		~	1934	1
24	UGC 1176	GiP	01 40 10.39	+15 54 18.6	14.60	14.38	14.02	13.69		~	108	0
25	UGCA 20	bCG	01 43 14.6	+19 58 51		16				~	55	0
26	MCG-07-04-032	AG?	01 45 03.74	-43 35 52.9	13.45	12.92	12.63	12.51	12.8	~	152	1
27	IC 1727	GiP	01 47 29.890	+27 20 00.06		12.54	11.98	11.77		~	216	0
28	NGC 672	GiP	01 47 54.4764771528	+27 25 58.020709728	12.04	11.60	11.09	10.81		~	304	0
29	Z 503-26	LSB	01 49 31.71	+32 35 16.2		13.0				~	171	0
30	NGC 784	LSB	02 01 16.932	+28 50 14.13	12.97	12.50	12.07	11.83		~	212	0
31	Z 482-64	AG?	02 04 04.9	+24 12 35		14.7				~	38	0
32	NGC 855	GiG	02 14 03.612	+27 52 37.82	14.19	13.56	12.75	12.40		~	236	1
33	MCG+07-05-040	AG?	02 21 13.40	+42 45 45.7		11.26		14.38		~	46	0
34	NGC 891	H2G	02 22 32.907	+42 20 53.95	11.08	10.81	9.93	7.86		~	1741	2
35	MCG+06-06-028	AG?	02 25 00.22	+36 02 16.0		16.5		14.78		~	46	0
36	NGC 925	H2G	02 27 16.913	+33 34 43.97		10.69	10.12	9.55		~	818	1
37	Z 504-86	GiG	02 27 49.7635	+31 43 30.264		15.4		14.2		~	42	0
38	NGC 949	GiG	02 30 48.6343005912	+37 08 11.754932532		12.667	11.975	11.490	10.790	~	152	0
39	NGC 959	GiG	02 32 23.9241457416	+35 29 40.455279636	12.87	12.95	12.38	11.79		~	123	1
40	MCG+06-06-054	AG?	02 32 54.00	+38 40 50.1		17		14.50		~	50	0
41	Z 505-6	GiG	02 33 18.20	+33 29 28.0		14.9		13.59		~	91	0
42	ESO 115-21	G	02 37 49.563	-61 19 53.77	14.14	13.52	13.13	12.95		~	100	1
43	NGC 1003	GiG	02 39 16.893	+40 52 20.25		12.1		10.83		~	198	0
44	NGC 1058	Sy2	02 43 30.0264850248	+37 20 28.782851784		12.29	11.75	10.85		~	483	0
45	ESO 154-23	AG?	02 56 50.38	-54 34 17.1		12.63		12.18	12.5	~	123	0
46	NGC 1156	GiG	02 59 42.8528847264	+25 14 28.352017320	12.13	12.32	11.74			~	323	1
47	MCG-07-07-007	LSB	03 09 38.398	-41 01 54.23		13.12		12.10	12.8	~	78	0
48	ESO 300-16	AG?	03 10 10.48	-40 00 10.5		15.56		14.95		~	32	0
49	NGC 1269	EmG	03 17 18.5785534752	-41 06 28.628735184	9.85	9.83	8.81	8.72		~	445	1
50	NGC 1313	AG?	03 18 16.046	-66 29 53.74		10.06	10.0	9.40	10.4	~	723	2
51	NGC 1311	Sy2	03 20 06.946	-52 11 07.76	13.89	13.35	12.93	12.75	13.1	~	136	0
52	UGC 2684	AG?	03 20 23.71	+17 17 45.1		18				~	78	0
53	Z 464-15	LSB	03 24 07.257	+17 45 10.94	15.09	14.58	14.11	13.88		~	59	0
54	IC 1959	GiG	03 33 12.576	-50 24 51.13	13.52	13.32	12.96	12.75	12.7	~	119	0
55	IC 342	AGN	03 46 48.514	+68 05 45.98		10.5				~	1579	1
56	IC 2000	GiG	03 49 07.6548649395	-48 51 29.792967442		12.90		11.78	12.6	~	74	0
57	ESO 302-14	GiG	03 51 40.90	-38 27 08.0		14.84		14.54	14.8	~	60	0
58	NGC 1487	GiP	03 55 46.5	-42 22 01		12.28	11.68	11.74	11.02	~	124	0
59	ESO 249-36	LSB	03 59 15.6	-45 52 21		15.19		15.05		~	42	0
60	NGC 1510	GiP	04 03 32.640	-43 24 00.58	14.23	13.63	13.24	13.09		~	201	1
61	NGC 1512	GiP	04 03 54.281	-43 20 55.86	11.30	11.43	10.54	10.37		~	457	1
62	NGC 1522	EmG	04 06 07.900	-52 40 05.91	14.53	14.16	13.78	13.62	14.0	~	70	0
63	NGC 1518	Sy1	04 06 49.708	-21 10 21.42		12.20	11.84	11.19	12.0	~	104	1
64	MCG-04-11-001	EmG	04 12 41.119	-23 09 31.99	14.91	14.23	13.61	13.32	13.8	~	66	0
65	NGC 1556	EmG	04 17 44.8001675160	-50 09 51.553750716		13.53		14.0	13.5	~	60	0
66	MCG-04-11-010	AG?	04 21 13.632	-21 50 46.07		12.75		11.95	12.3	~	68	0
67	NGC 1569	rG	04 30 49.186	+64 50 52.52	11.72	11.86	11.03			~	1297	3
68	NGC 1560	GiG	04 32 49.087	+71 52 59.20		12.1				~	264	0
69	MCG+00-13-014	GiC	04 48 34.50	+00 14 30.0		14.7		13.9	14.4	~	68	0
70	ESO 119-16	AG?	04 51 29.07	-61 38 59.8	15.28	14.98	14.58	14.38	14.0	~	52	0
71	NGC 1705	Sy2	04 54 13.4661493464	-53 21 39.471592428	12.32	12.96	12.56	12.58	12.9	~	692	1
72	NGC 1744	LSB	04 59 57.7383643080	-26 01 19.840639764	12.43	11.90	11.41	11.20	11.7	~	159	0
73	NGC 1796	GiG	05 02 42.4300961400	-61 08 23.840826324	13.63	13.01	12.48	12.21	12.5	~	76	0
74	MCG-04-12-041	AG?	05 03 19.69	-25 25 22.5	14.89	14.41	14.03	13.87	14.0	~	65	0
75	NGC 1800	EmG	05 06 25.737	-31 57 15.21	13.51	13.19	12.70	12.48	12.9	~	185	1
76	NGC 1808	Sy2	05 07 42.343	-37 30 46.98	11.05	10.80	9.94	9.36	10.2	~	756	3
77	MCG-06-12-010	AG?	05 11 59.33	-32 58 21.4	13.66	13.05	12.67	12.55	12.7	~	65	0
78	Z 283-4	GiG	05 14 15.3240846648	+62 34 47.964904644		15.3				~	90	1
79	NAME LMC	G	05 23 34.6	-69 45 22			0.4			~	19090	0
80	MCG-02-15-011	LSB	05 50 54.470	-14 46 47.96		12.4		12.7	12.3	~	32	0
81	UGCA 116	AGN	05 55 42.645	+03 23 32.23	10.74	11.68	11.46		11.82	~	561	0
82	LEDA 95597	LSB	06 47 45.6	+80 07 27		16.4				~	74	0
83	UGC 3600	LSB	06 55 39.81787	+39 05 43.7871		18				~	46	0
84	NGC 2337	rG	07 10 13.6374445464	+44 27 26.716619844		13.1				~	94	1
85	UGC 3817	G	07 22 44.48	+45 06 30.7		17				~	49	0
86	Z 206-10	AG?	07 28 17.724	+40 46 11.36		15.50				~	155	0
87	NGC 2366	H2G	07 28 52.4529	+69 12 38.859	12.25	11.86	11.39	11.33		~	801	0
88	NGC 2403	AGN	07 36 51.3381434280	+65 36 09.650825640	9.31	8.84	8.38	8.19		~	1887	1
89	MCG+07-16-011	AG?	07 41 25.777	+40 06 46.05		16.0				~	125	0
90	Z 87-30	G	07 41 56.3059298112	+16 48 07.451632188		15.4				~	233	0
91	Z 262-28	AG?	07 47 31.944	+51 11 28.95		14.8				~	33	0
92	Z 88-7	G	07 57 01.027	+14 23 47.66		16.0				~	161	0
93	NGC 2500	GiG	08 01 53.1717201720	+50 44 13.602483780	11.98	12.20	11.62	11.34	10.85	~	215	2
94	NGC 2537	H2G	08 13 14.643	+45 59 23.25	12.18	12.50	11.69	11.66		~	314	2
95	IC 2233	LSB	08 13 58.909	+45 44 31.74	12.87	13.41	12.63	12.80		~	253	1
96	UGC 4305	IG	08 19 04.9864630512	+70 43 13.086910452	12.06	11.72	11.39	11.11		~	812	2
97	NGC 2552	EmG	08 19 20.5355420472	+50 00 34.590204468	13.44	13.00	12.56			~	284	1
98	LEDA 2790884	QSO	08 25 55.5166210656	+35 32 31.833368556		18.2				~	128	1
99	MCG+07-18-004	LSB	08 28 28.560	+41 51 27.13		18				~	175	0
100	Z 311-8	GiG	08 34 07.20	+66 10 54.0	15.39	15.03	14.70	14.49		~	357	2
101	Z 331-51	GiG	08 37 03.00	+69 46 31.0	15.70	15.46	14.98	14.89		~	316	0
102	NGC 2683	AGN	08 52 41.3064829584	+33 25 18.597681516	11.57	10.68	9.79	9.38		~	475	1
103	Z 209-15	GiP	08 59 00.28	+39 12 35.7		15.00				~	69	1
104	Z 180-37	AG?	09 07 34.759	+33 16 40.33		14.3				~	65	0
105	NGC 2784	EmG	09 12 19.497	-24 10 21.36	12.02	10.99	10.16	9.30		~	144	1
106	ESO 564-30	AG?	09 13 12.8372	-19 24 31.980		14.91		14.13	15.0	~	32	0
107	NGC 2835	EmG	09 17 52.8523921416	-22 21 16.839119700		11.03		10.32	10.9	~	285	0
108	MCG-04-22-009	AG?	09 21 27.7213	-22 30 00.894		14.87		13.87	15.6	~	46	0
109	Z 332-49	AG?	09 25 10.9152585432	+68 22 59.167851456	15.94	15.13	14.42	14.09		~	50	0
110	NGC 2915	AG?	09 26 11.532	-76 37 34.75	13.13	12.93	12.68	11.90	12.8	~	371	2
111	NGC 2903	AGN	09 32 10.111	+21 30 02.99	10.44	9.75	9.07	8.68		~	1204	3
112	Z 35-7	AG?	09 34 44.716	+06 25 31.76		15.0				~	39	0
113	Z 332-57	LSB	09 40 32.33	+71 10 56.0	14.53	14.00	13.66	13.41		~	372	1
114	IC 559	AG?	09 44 43.816	+09 36 57.37		15.0				~	61	0
115	UGC 5209	LSB	09 45 04.196	+32 14 16.03		19				~	66	0
116	NGC 2976	GiG	09 47 15.458	+67 54 58.97	11.77	11.03	10.16	9.51		~	712	1
117	UGC 5272 B	AG?	09 50 19.484	+31 27 22.22		17.53				~	37	0
118	Z 152-72	EmG	09 50 22.769	+31 29 17.80		14.48		14.10		~	207	0
119	UGC 5288	PaG	09 51 17.241	+07 49 32.05	15.07	14.65	14.18	13.99		~	95	0
120	NGC 3037	EmG	09 51 24.00507	-27 00 40.0860		13.66		12.77	13.4	~	41	1
121	NAME M 81-82 Group	GrG	09 55	+69.1						~	758	0
122	M 81	Sy2	09 55 33.1726556496	+69 03 55.062505368		7.89	6.94			~	4725	3
123	M 82	AGN	09 55 52.430	+69 40 46.93	9.61	9.30	8.41			~	6156	6
124	Z 153-5	AG?	09 56 46.047	+28 49 43.77	14.82	14.74	14.59	14.55	26.509	~	252	1
125	LEDA 28731	G	09 57 02.7	+68 35 30		15.17				~	119	1
126	MCG+12-10-012	AG?	09 57 32.8632	+69 02 50.735	15.19	15.15	14.10	14.12		~	327	4
127	ESO 435-20	rG	09 59 21.226	-28 08 00.04		14.42	14.08	13.33		~	84	2
128	Z 153-10	G	09 59 26.46	+30 44 47.0	14.08	13.54	13.26	13.33		~	652	0
129	Z 36-12	H2G	10 00 00.8217342072	+05 20 09.533389560	12.77	12.25	11.89	11.71		~	569	0
130	MCG-01-26-012	GiG	10 02 36.00	-06 00 49.0	15.70	15.16	14.74	14.55	14.3	~	82	0
131	NGC 3109	AG?	10 03 06.877	-26 09 34.46	11.10	10.42	10.04	9.91		~	825	2
132	Z 153-14	AG?	10 04 40.949	+29 21 51.54		15.2				~	75	0
133	Z 333-17	LSB	10 05 30.45024	+70 21 51.4253	15.95	15.56	15.09	14.87		~	214	1
134	NGC 3125	AGN	10 06 33.318	-29 56 07.32	13.03	13.45	13.00	12.50	13.4	~	253	2
135	Z 240-10	LSB	10 07 18.950	+47 00 23.45		14.1				~	57	0
136	Z 64-68	AG?	10 07 20.182	+10 21 40.16		13.78		13.24		~	125	0
137	Z 211-11	AG?	10 07 22.722	+38 58 10.65		15.5				~	23	0
138	MCG-01-26-030	H2G	10 11 00.5	-04 41 30	12.48	12.13	11.93	11.78		~	789	2
139	NGC 3175	EmG	10 14 42.1304335632	-28 52 19.628995332		12.14		11.7	11.2	~	110	0
140	NGC 3239	AG?	10 25 04.867	+17 09 49.21		13.5				~	202	0
141	Z 124-26	LSB	10 28 21.105	+22 34 10.93	15.29	14.62	13.98	13.74		~	60	0
142	IC 2574	AG?	10 28 23.6148831408	+68 24 43.440012756	11.70	11.07	10.87	10.74		~	703	1
143	Z 333-35	GiG	10 30 35.03	+70 37 07.2	14.81	13.69	13.01	12.73		~	140	0
144	NGC 3274	EmG	10 32 17.2253817864	+27 40 07.165226244		13.30		12.77		~	261	0
145	Z 266-61	LSB	10 34 45.955	+50 46 05.47		15.7				~	48	0
146	NGC 3299	GiG	10 36 23.861	+12 42 27.10		13.60		12.64		~	94	0
147	Z 154-31	AG?	10 36 43.1428583040	+31 32 50.189204040		15.6		15.04		~	121	0
148	Z 9-95	EmG	10 39 25.193	+01 43 09.08	15.68	15.07	14.59	14.37	14.4	~	58	0
149	Z 184-6	AG?	10 42 42.787	+34 26 57.39		13.31	13.09	12.84	12.85	~	173	0
150	NGC 3344	EmG	10 43 31.150	+24 55 19.99	10.38	10.54	9.86	9.71		~	434	1
151	M 95	GiP	10 43 57.7313485800	+11 42 13.301191332	10.71	10.51	9.73	9.48		~	1238	2
152	NGC 3365	GiG	10 46 12.649	+01 48 47.95		13.0		13.0	12.9	~	107	0
153	M 96	GiP	10 46 45.744	+11 49 11.78	10.42	10.15	9.25	8.99		~	862	1
154	Z 241-16	LSB	10 48 53.73288	+46 43 14.8260		15.0				~	25	0
155	Z 38-22	EmG	10 49 07.548	+06 55 02.61	15.41	14.86	14.21	13.93		~	79	0
156	MCG+11-13-039	GiG	10 49 36.412	+65 32 01.07	15.55	15.27	14.79	14.55		~	170	0
157	NGC 3412	GiG	10 50 53.2803559464	+13 24 43.721664876	11.84	11.45	10.54			~	248	1
158	NGC 3432	AG?	10 52 31.132	+36 37 07.60		11.81	11.67	11.29		~	321	1
159	NGC 3489	GiG	11 00 18.5483994744	+13 54 04.206202668	11.46	11.12	10.29			~	429	1
160	NGC 3486	Sy2	11 00 23.946	+28 58 29.35	10.89	11.11	10.53	10.40		~	373	1
161	Z 155-45	AG?	11 01 48.340	+28 41 24.21		14.90				~	30	1
162	NGC 3510	LSB	11 03 43.356	+28 53 13.58		13.6				~	199	0
163	MCG+05-26-046	SBG	11 04 58.298	+29 08 16.54		15.5	15.29			~	228	0
164	NGC 3521	EmG	11 05 48.5680991376	-00 02 09.245076540	10.06	9.83	9.02	10.1	9.6	~	879	2
165	Z 213-29	AG?	11 06 49.194	+43 43 23.73		14.4				~	50	0
166	NGC 3593	GiG	11 14 36.9731893800	+12 49 05.497790664		11.8				~	376	2
167	NGC 3599	GiP	11 15 26.9494646448	+18 06 37.428503940		13.0				~	226	0
168	NGC 3600	H2G	11 15 51.980	+41 35 28.96		12.6				~	124	0
169	NGC 3621	Sy2	11 18 16.300	-32 48 45.36	10.10	9.44	9.56	8.07	10.1	~	661	3
170	M 65	GiP	11 18 55.9084654776	+13 05 32.300703672		9.6				~	458	1
171	M 66	AGN	11 20 15.0	+12 59 29	9.85	9.65	8.92			~	1509	4
172	NGC 3675	GiG	11 26 08.5641089832	+43 35 09.587062464		11.04		9.57		~	300	1
173	Z 11-98	EmG	11 27 12.2333953944	-00 59 41.002508328		14.973		14.335	14.7	~	45	0
174	Z 351-62	bCG	11 27 59.90	+78 59 39.0		14.50				~	346	1
175	Z 242-46	bCG	11 33 29.12	+49 14 17.4	14.69	14.61	14.25	14.17		~	242	1
176	NGC 3738	AGN	11 35 48.982	+54 31 24.70		12.12	12.04	11.56		~	303	0
177	NGC 3741	AG?	11 36 05.754	+45 17 02.96	15.01	14.55	14.23	14.06		~	237	0
178	Z 214-32	AG?	11 50 52.98254	+38 52 50.6594		13.72	13.9	13.39		~	175	0
179	Z 157-55	AG?	11 55 39.7060218792	+31 31 06.535928784		15.7				~	138	0
180	LEDA 2832100	GiC	11 58 44.097	+27 35 06.03						~	27	0
181	NGC 4020	GiG	11 58 56.935	+30 24 49.05		13.2				~	115	0
182	MCG+06-26-068	AG?	12 01 33.4137224435	+33 20 24.760137108		17				~	26	0
183	NGC 4080	GiG	12 04 51.804	+26 59 33.43		14.0				~	107	0
184	NGC 4096	GiG	12 06 01.161	+47 28 42.09		11.61		10.86		~	271	0
185	Z 187-15	LSB	12 09 56.466	+36 26 03.34		15.5				~	44	0
186	NGC 4144	GiG	12 09 58.601	+46 27 25.85		12.17		11.50		~	260	0
187	NGC 4163	LSB	12 12 09.34	+36 10 08.1	14.33	13.70	13.2	12.98		~	238	0
188	NGC 4190	LSB	12 13 44.765	+36 38 02.49	13.88	13.40	13.25	12.86		~	224	0
189	NGC 4204	GiC	12 15 14.359	+20 39 32.68		14.3				~	162	0
190	Z 269-47	AG?	12 15 23.652	+51 20 59.63		14.68		13.97		~	57	0
191	Z 215-55	GiG	12 15 33.442	+43 26 02.81		15.4				~	50	0
192	NGC 4228	SBG	12 15 39.174	+36 19 36.80	10.63	10.30	9.93	9.74		~	1017	1
193	Z 269-49	AG?	12 15 46.626	+52 23 13.91		15.3				~	75	0
194	NGC 4236	GiG	12 16 42.118	+69 27 45.25	10.97	10.58	10.08	9.90		~	415	1
195	NGC 4244	GiG	12 17 29.659	+37 48 25.60		10.71		9.99		~	582	1
196	NGC 4242	GiG	12 17 30.1835103480	+45 37 09.508940220		11.37	10.83			~	285	1
197	NGC 4288	GiG	12 20 38.119	+46 17 27.67		13.6				~	187	0
198	Z 244-7	GiG	12 21 15.01	+45 48 40.8		14.8				~	123	2
199	LEDA 166137	GiC	12 25 28.5	+28 28 56		16.5				~	46	1
200	NGC 4395	Sy2	12 25 48.8633109888	+33 32 48.700168152	10.84	10.54	10.11	9.98		~	1286	1
201	Z 244-18	bCG	12 26 15.69	+48 29 38.3		15.3				~	364	0
202	Z 187-44	GiP	12 27 05.566	+37 08 30.39		14.19		13.55		~	217	0
203	Z 216-4	GiG	12 27 40.90	+43 29 44.0	13.75	13.10	12.7	12.33		~	270	0
204	UGC 7584	BiC	12 28 02.7700008408	+22 35 16.311729408		16.0				~	49	0
205	NGC 4449	EmG	12 28 11.118	+44 05 36.81	10.11	9.98	9.64	9.45		~	1192	1
206	Z 187-46	GiP	12 28 28.084	+37 14 05.36		15.6				~	105	0
207	Z 187-47	GiG	12 28 38.743	+35 43 02.91	15.50	15.12	14.86	14.78		~	130	1
208	MCG+07-26-010	EmG	12 28 44.078	+43 13 25.79		16.0				~	106	0
209	NGC 4455	EmG	12 28 44.1242000448	+22 49 13.538159508		15.5				~	222	0
210	NGC 4460	H2G	12 28 45.557	+44 51 51.25		12.5				~	147	0
211	MCG+07-26-011	AG?	12 28 52.298	+42 10 40.09		15				~	43	0
212	Z 244-24	GiG	12 29 53.40	+47 31 52.0		14.32		13.44		~	84	0
213	MCG+07-26-012	AG?	12 30 23.574	+42 54 05.76		15				~	40	0
214	NGC 4485	GiP	12 30 31.113	+41 42 04.22	12.10	12.42	11.93	11.93		~	305	2
215	NGC 4490	GiG	12 30 34.5	+41 38 26	10.03	10.22	9.79			~	616	3
216	Z 216-9	LSB	12 32 00.403	+39 49 54.21		13.9				~	58	0
217	Z 216-10	LSB	12 32 26.893	+42 42 14.84		13.7				~	130	0
218	Z 188-7	LSB	12 32 48.003	+37 37 18.49		13.40				~	124	0
219	Z 159-13	GiC	12 32 54.5	+31 32 30		13.50		13.03		~	180	0
220	Z 216-11	GiG	12 34 00.54952	+39 01 09.3052		15.4				~	65	0
221	NGC 4534	EmG	12 34 05.412	+35 31 06.07		13.20				~	117	0
222	Z 216-14	LSB	12 36 22.716	+40 00 18.72		15.2				~	95	0
223	UGCA 290	IG	12 37 21.7	+38 44 28		17				~	75	1
224	NAME CVn I dwA	GiC	12 38 40.06	+32 46 00.5	16.91	16.66	16.73	16.62		~	242	0
225	NGC 4605	GiG	12 39 59.2837284936	+61 36 32.822365392		10.94		10.35		~	347	2
226	M 104	LIN	12 39 59.43185902	-11 37 22.9961800	9.51	9.55	8.00	8.05		~	1465	2
227	NGC 4618	GiP	12 41 32.8976471760	+41 09 03.185175528	11.03	11.22	10.78			~	344	2
228	NGC 4625	SyG	12 41 52.7121819576	+41 16 26.115765780	12.74	12.92	12.35			~	383	2
229	NGC 4631	GiC	12 42 08.009	+32 32 29.44		9.78	9.19	9.10		~	1154	3
230	IC 3687	GiG	12 42 15.1540831512	+38 30 05.844632940		15.5				~	153	0
231	NGC 4656	GiP	12 43 57.6889089768	+32 10 13.345914504		10.96	10.52			~	385	3
232	MCG+06-28-024	GiC	12 44 24.881	+34 23 03.33		15.0				~	72	0
233	MCG-06-28-017	AG?	12 46 00.67	-33 50 13.0		14.24		13.50	14.0	~	91	0
234	Z 270-22	bCG	12 46 56.426	+51 36 46.80		14.1				~	119	0
235	MCG+06-28-030	GiC	12 47 00.610	+36 28 37.09		17				~	86	0
236	NGC 4707	AG?	12 48 21.666	+51 09 53.81		15.2				~	113	0
237	M 94	SyG	12 50 53.0737971432	+41 07 12.900884628	9.15	8.96	8.24	7.78		~	1476	2
238	NGC 4789A	GiC	12 54 05.248	+27 08 58.67	14.37	14.23	13.95	13.84		~	614	1
239	UGC 8055	LSB	12 56 04.6621560288	+03 48 46.548862992		17				~	51	0
240	M 64	SyG	12 56 43.696	+21 40 57.57		9.36	8.52			~	1010	2
241	Z 71-87	H2G	12 58 40.1930636208	+14 13 00.739589628	15.24	15.16	14.98	14.81		~	475	0
242	MCG-03-33-027	GiP	13 02 14.39	-17 14 15.1	15.59	14.82	14.34	14.23		~	79	0
243	MCG-03-33-030	GiP	13 03 16.736	-17 25 22.91	13.98	13.42	13.09	12.96	13.3	~	135	0
244	IC 4182	BiC	13 05 48.7478324064	+37 36 12.965157684		11.86		11.40		~	344	1
245	Z 316-9	AG?	13 06 24.85	+67 42 25.0	14.08	13.61	13.08	12.98		~	268	1
246	MCG+08-24-048	AG?	13 08 03.552	+46 49 40.02		17				~	79	0
247	Z 352-57	AG?	13 08 36.295	+78 56 13.93	15.14	14.54	14.08	13.86		~	46	0
248	NGC 5023	EmG	13 12 11.8036148808	+44 02 17.328663600		13.2				~	265	0
249	Z 217-18	LSB	13 12 51.779	+40 32 35.21		15.0				~	33	0
250	MCG+08-24-090	AG?	13 13 22.839	+46 19 21.71		17				~	135	1
251	Z 217-20	LSB	13 13 53.848	+42 12 30.89		14.45		13.49		~	73	1
252	Z 245-36	AG?	13 14 27.997	+45 55 11.14	13.63	13.26	13.02	12.81		~	297	0
253	Z 245-38	AG?	13 15 29.753	+47 29 58.69		15.6				~	114	1
254	M 63	LIN	13 15 49.2741893928	+42 01 45.728076108		9.34	8.59	8.35		~	1292	2
255	NGC 5068	AG?	13 18 54.807	-21 02 20.76	11.24	10.53	10.01	9.78	10.1	~	354	0
256	NAME Centaurus A	BLL	13 25 27.61521044	-43 01 08.8050291		8.18	6.84	6.66		~	4774	3
257	IC 4247	EmG	13 26 44.43	-30 21 44.7	15.34	14.67	14.28	14.13	14.53	~	99	0
258	ESO 324-24	LSB	13 27 37.6117	-41 28 44.128		12.91		12.13	12.3	~	107	0
259	NGC 5204	LSB	13 29 36.508	+58 25 07.43		11.84		11.37		~	494	0
260	M 51	Sy2	13 29 52.698	+47 11 42.93		9.26	8.36	8.40		~	4565	4
261	NGC 5195	GiG	13 29 59.590	+47 15 58.06	10.76	10.45	9.55	9.31		~	816	3
262	NGC 5229	LSB	13 34 02.831	+47 54 55.68		14.6				~	149	0
263	NGC 5238	GiP	13 34 42.5146948080	+51 36 49.168365696		14.2				~	143	0
264	M 83	SBG	13 37 00.91920	-29 51 56.7400	8.85	8.11	7.52	7.21		~	2778	2
265	ESO 444-84	GiC	13 37 19.99	-28 02 42.0	16.04	15.34	15.05	15.05	14.9	~	133	1
266	Z 131-18	EmG	13 39 19.348	+24 46 27.77	15.21	14.84	14.46	14.29		~	94	0
267	Z 218-34	AG?	13 39 53.75	+40 44 25.3	15.37	14.56	14.20	14.10		~	165	0
268	NGC 5253	rG	13 39 55.990	-31 38 24.11	11.48	10.94	10.49	10.33	13.47	~	1421	4
269	NGC 5264	GiG	13 41 36.683	-29 54 47.25	13.86	12.96	12.39	12.14	15.83	~	164	1
270	Z 218-40	AG?	13 42 32.52057	+39 39 30.5732		15.7				~	42	0
271	ESO 383-91	G	13 50 32.28	-37 17 20.1		14.34		14.69	14.14	~	29	0
272	Z 190-66	AG?	13 50 51.3127548768	+38 01 14.958828876	15.56	14.78		14.33		~	161	0
273	MCG+06-31-023	AG?	13 54 48.8114	+35 50 07.775		16.5		15.20		~	123	1
274	M 101	GiP	14 03 12.583	+54 20 55.50		8.46	7.86	7.76		~	3138	2
275	NGC 5474	GiP	14 05 01.608	+53 39 43.95		11.28	10.79			~	475	1
276	NGC 5477	AG?	14 05 33.318	+54 27 37.85	13.94	14.36	14.01			~	224	1
277	LEDA 50911	G	14 15 08.593	+57 05 30.99		16.5				~	35	0
278	Z 133-19	AG?	14 15 57.0834	+23 03 29.871	15.40	14.77	14.41	14.32		~	296	0
279	Z 219-66	QSO	14 17 01.716	+43 30 13.52		15.6				~	181	0
280	NGC 5585	GiG	14 19 48.204	+56 43 44.58		11.73	11.216	11.12	10.123	~	455	0
281	Z 247-23	AG?	14 22 32.1696941112	+45 23 01.932649116		15.7				~	78	0
282	NGC 5608	AG?	14 23 18.734	+41 46 36.60		13.96		13.23		~	81	0
283	Z 247-26	AG?	14 24 43.21	+44 31 41.8	14.24	13.54	13.17	13.07		~	217	0
284	MCG+10-21-013	AG?	14 35 24.077	+57 15 21.24		17				~	91	0
285	Mrk 475	AGN	14 39 05.4743306976	+36 48 21.838203540		17.0				~	109	0
286	MCG+07-30-055	H2G	14 44 12.8032800372	+42 37 43.773570223		16.0				~	92	0
287	NGC 5832	AG?	14 57 45.90	+71 40 53.5	13.43	12.80	12.26	11.96		~	125	1
288	Z 248-44	AG?	15 01 09.481	+44 41 53.51		14.30				~	61	0
289	NGC 5949	AG?	15 28 00.6695692032	+64 45 47.413223532		12.70				~	152	0
290	Z 249-29	AG?	15 32 56.177	+46 27 05.19		15.20				~	48	0
291	Z 319-21	AG?	15 41 47.85	+67 15 15.3	15.71	15.22	14.81	14.44		~	93	0
292	UGC 10669	G	17 00 26.36	+70 17 27.4		17				~	25	0
293	Z 339-28	AG?	17 08 05.00	+69 27 50.0		15.0				~	40	0
294	IC 4662	bCG	17 47 09.192	-64 38 19.25		11.75	11.1	10.45		~	253	4
295	NGC 6503	LIN	17 49 26.4207792072	+70 08 39.604132176	11.56	10.95	10.28	9.92		~	551	1
296	NGC 6744	GiG	19 09 46.1335950504	-63 51 26.897079024		9.28	8.25	8.08	9.6	~	303	0
297	ESO 104-44	LSB	19 11 22.5	-64 13 21		15.01		13.88		~	36	0
298	NGC 6789	AG?	19 16 41.169	+63 58 23.90		13.76				~	122	1
299	NAME Sgr dIG	G	19 29 59.0	-17 40 41		15.5	13.6			~	323	1
300	IC 4870	AGN	19 37 37.5995314008	-65 48 42.669480564		13.92	14.63	12.77	13.1	~	73	0
301	NGC 6822	G	19 44 56.199	-14 47 51.29		18	8.1			~	1661	0
302	IC 4951	EmG	20 09 31.77	-61 51 01.7	14.74	14.23	13.84	13.68	14.0	~	73	0
303	NGC 6946	H2G	20 34 52.332	+60 09 13.24		10.5				~	2661	2
304	MCG-02-53-003	G	20 46 51.7	-12 50 54	15.75	15.18	14.83	14.46		~	470	1
305	IC 5052	G	20 52 01.633	-69 11 35.93	12.83	12.20	11.66	11.40		~	169	0
306	NGC 7090	EmG	21 36 28.865	-54 33 26.35	12.35	11.60	11.05	10.82	11.2	~	183	0
307	IC 5152	rG	22 02 41.521	-51 17 47.20		11.03	10.9	10.19		~	273	1
308	ESO 238-5	AG?	22 22 30.4713	-48 24 22.941		15.0		14.9	15.4	~	44	0
309	MCG-05-55-012	G	23 26 27.52	-32 23 19.5	15.34	14.71	14.23	14.03		~	163	0
310	MCG-06-51-005	GiG	23 26 56.21	-37 20 48.9	14.90	14.69	14.35	14.19	14.2	~	74	0
311	Z 431-72	G	23 28 35.2	+14 44 35	13.85	13.16	12.52			~	499	1
312	Z 533-8	GiG	23 29 58.540	+40 59 31.98		15.7				~	110	0
313	IC 5332	GiG	23 34 27.488	-36 06 03.89	11.59	11.27	10.72	10.50	11.2	~	216	0
314	Z 497-44	AG?	23 38 14.758	+30 42 33.24		15.1				~	57	0
315	MCG-05-56-001	G	23 43 45.549	-31 57 24.37	14.55	14.03	13.73	13.63		~	162	1
316	ESO 348-9	AG?	23 49 23.4984	-37 46 25.536		14.6		14.7	14.4	~	60	0
317	ESO 149-3	AG?	23 52 02.15	-52 34 33.9	15.48	15.10	14.89	14.84	14.9	~	88	0
318	NGC 7793	GiG	23 57 49.7540045856	-32 35 27.701550744	10.26	9.74	9.28	9.06	9.7	~	1188	2
319	NAME Local Group	GrG	~	~						~	9325	0

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