Table 2. Open in new tab Optical...

Dec.

Night

EXP (s) (s)

Air mass

Seeing (arcsec)

Slit PA (°)

Nuclear aperture (arcsec)

Nuclear aperture (kpc)

NGC 0266

00 49 47.80

+32 16 39.8

23 Dec 2014

3 × 1800

1.23

1.4

1.2 × 2.8

0.39 × 0.91

NGC 0315^a

00 57 48.88

+30 21 08.8

30 Sep 2013

3 × 1800

1.23

0.6

1.0 × 1.9

0.34 × 0.65

NGC 0841

02 11 17.36

+37 29 49.8

03 Dec 2012

4 × 1800

1.01

1.0

270

1.2 × 2.8

0.38 × 0.88

NGC 1052^a

02 41 04.80

−08 15 20.8

30 Sep 2013

3 × 1800

1.30

0.7

155

1.0 × 2.3

0.10 × 0.23

NGC 2681

08 53 32.74

+51 18 49.2

04 Dec 2012

4 × 1800

1.09

1.0

240

1.2 × 3.9

0.06 × 0.19

NGC 2787

09 19 18.59

+69 12 11.7

22 Dec 2014

3 × 1800

1.43

0.8

261

1.2 × 2.2

0.07 × 0.13

NGC 3226

10 23 27.01

+19 53 54.7

23 Dec 2014

3 × 1800

1.37

1.4

1.2 × 2.2

0.10 × 0.18

NGC 3642

11 22 17.89

+59 04 28.3

23 Dec 2014

3 × 1800

1.88

1.4

1.2 × 2.8

0.13 × 0.31

NGC 3718

11 32 34.85

+53 04 04.5

24 Dec 2014

3 × 1800

1.34

1.2

1.2 × 2.8

0.09 × 0.20

NGC 3884

11 46 12.18

+20 23 29.9

23 Dec 2014

3 × 2400

1.24

1.4

1.2 × 2.2

0.55 × 1.03

NGC 3998

11 57 56.13

+55 27 12.9

24 Dec 2014

3 × 1800

1.16

1.0

250

1.2 × 2.8

0.09 × 0.21

NGC 4036

12 01 26.75

+61 53 44.8

14 Apr 2013

4 × 1800

1.52

1.2

102

1.2 × 2.8

0.12 × 0.28

NGC 4143

12 09 36.06

+42 32 03.0

12 Apr 2013

4 × 1800

1.12

2.0

1.5 × 3.4

0.10 × 218

NGC 4203

12 15 05.05

+33 11 50.4

12 Apr 2013

4 × 1800

1.27

1.0

1.2 × 1.7

0.09 × 0.12

NGC 4278

12 20 06.82

+29 16 50.7

13 Apr 2013

4 × 1800

1.07

1.0

1.2 × 1.7

0.07 × 0.10

NGC 4438

12 27 45.59

+13 00 31.8

13 Apr 2013

4 × 1800

1.53

1.0

1.2 × 2.2

0.03 × 0.06

NGC 4450

12 28 29.63

+17 05 05.8

14 Apr 2013

4 × 1800

1.28

1.5

1.2 × 2.2

0.15 × 0.28

NGC 4636

12 42 49.83

+02 41 16.0

09 Jun 2015

3 × 1800

1.29

1.2

1.2 × 2.8

0.06 × 0.15

NGC 4750

12 50 07.27

+72 52 28.7

25 Dec 2014

3 × 1800

1.31

1.0

231

1.2 × 2.8

0.14 × 0.34

NGC 4772

12 53 29.16

+02 10 06.2

14 Apr 2013

3 × 1800

1.23

1.2

1.2 × 2.2

0.07 × 0.13

NGC 5005

13 10 56.23

+37 03 33.1

11 Apr 2013

3 × 1800

1.23

1.0

1.2 × 2.2

0.08 × 0.15

NGC 5077

13 19 31.67

−12 39 25.1

14 Apr 2013

4 × 1800

1.62

1.2

1.2 × 2.2

0.21 × 0.39

Table 2.

Open in new tab

Optical observations details for the type-1 LINERs sample discussed in this paper.

ID	RA	Dec.	Night	EXP (s) (s)	Air mass	Seeing (arcsec)	Slit PA (°)	Nuclear aperture (arcsec)	Nuclear aperture (kpc)
NGC 0266	00 49 47.80	+32 16 39.8	23 Dec 2014	3 × 1800	1.23	1.4	70	1.2 × 2.8	0.39 × 0.91
NGC 0315^a	00 57 48.88	+30 21 08.8	30 Sep 2013	3 × 1800	1.23	0.6	99	1.0 × 1.9	0.34 × 0.65
NGC 0841	02 11 17.36	+37 29 49.8	03 Dec 2012	4 × 1800	1.01	1.0	270	1.2 × 2.8	0.38 × 0.88
NGC 1052^a	02 41 04.80	−08 15 20.8	30 Sep 2013	3 × 1800	1.30	0.7	155	1.0 × 2.3	0.10 × 0.23
NGC 2681	08 53 32.74	+51 18 49.2	04 Dec 2012	4 × 1800	1.09	1.0	240	1.2 × 3.9	0.06 × 0.19
NGC 2787	09 19 18.59	+69 12 11.7	22 Dec 2014	3 × 1800	1.43	0.8	261	1.2 × 2.2	0.07 × 0.13
NGC 3226	10 23 27.01	+19 53 54.7	23 Dec 2014	3 × 1800	1.37	1.4	33	1.2 × 2.2	0.10 × 0.18
NGC 3642	11 22 17.89	+59 04 28.3	23 Dec 2014	3 × 1800	1.88	1.4	21	1.2 × 2.8	0.13 × 0.31
NGC 3718	11 32 34.85	+53 04 04.5	24 Dec 2014	3 × 1800	1.34	1.2	2	1.2 × 2.8	0.09 × 0.20
NGC 3884	11 46 12.18	+20 23 29.9	23 Dec 2014	3 × 2400	1.24	1.4	35	1.2 × 2.2	0.55 × 1.03
NGC 3998	11 57 56.13	+55 27 12.9	24 Dec 2014	3 × 1800	1.16	1.0	250	1.2 × 2.8	0.09 × 0.21
NGC 4036	12 01 26.75	+61 53 44.8	14 Apr 2013	4 × 1800	1.52	1.2	102	1.2 × 2.8	0.12 × 0.28
NGC 4143	12 09 36.06	+42 32 03.0	12 Apr 2013	4 × 1800	1.12	2.0	90	1.5 × 3.4	0.10 × 218
NGC 4203	12 15 05.05	+33 11 50.4	12 Apr 2013	4 × 1800	1.27	1.0	20	1.2 × 1.7	0.09 × 0.12
NGC 4278	12 20 06.82	+29 16 50.7	13 Apr 2013	4 × 1800	1.07	1.0	61	1.2 × 1.7	0.07 × 0.10
NGC 4438	12 27 45.59	+13 00 31.8	13 Apr 2013	4 × 1800	1.53	1.0	39	1.2 × 2.2	0.03 × 0.06
NGC 4450	12 28 29.63	+17 05 05.8	14 Apr 2013	4 × 1800	1.28	1.5	60	1.2 × 2.2	0.15 × 0.28
NGC 4636	12 42 49.83	+02 41 16.0	09 Jun 2015	3 × 1800	1.29	1.2	38	1.2 × 2.8	0.06 × 0.15
NGC 4750	12 50 07.27	+72 52 28.7	25 Dec 2014	3 × 1800	1.31	1.0	231	1.2 × 2.8	0.14 × 0.34
NGC 4772	12 53 29.16	+02 10 06.2	14 Apr 2013	3 × 1800	1.23	1.2	21	1.2 × 2.2	0.07 × 0.13
NGC 5005	13 10 56.23	+37 03 33.1	11 Apr 2013	3 × 1800	1.23	1.0	76	1.2 × 2.2	0.08 × 0.15
NGC 5077	13 19 31.67	−12 39 25.1	14 Apr 2013	4 × 1800	1.62	1.2	13	1.2 × 2.2	0.21 × 0.39

ID	RA	Dec.	Night	EXP (s) (s)	Air mass	Seeing (arcsec)	Slit PA (°)	Nuclear aperture (arcsec)	Nuclear aperture (kpc)
NGC 0266	00 49 47.80	+32 16 39.8	23 Dec 2014	3 × 1800	1.23	1.4	70	1.2 × 2.8	0.39 × 0.91
NGC 0315^a	00 57 48.88	+30 21 08.8	30 Sep 2013	3 × 1800	1.23	0.6	99	1.0 × 1.9	0.34 × 0.65
NGC 0841	02 11 17.36	+37 29 49.8	03 Dec 2012	4 × 1800	1.01	1.0	270	1.2 × 2.8	0.38 × 0.88
NGC 1052^a	02 41 04.80	−08 15 20.8	30 Sep 2013	3 × 1800	1.30	0.7	155	1.0 × 2.3	0.10 × 0.23
NGC 2681	08 53 32.74	+51 18 49.2	04 Dec 2012	4 × 1800	1.09	1.0	240	1.2 × 3.9	0.06 × 0.19
NGC 2787	09 19 18.59	+69 12 11.7	22 Dec 2014	3 × 1800	1.43	0.8	261	1.2 × 2.2	0.07 × 0.13
NGC 3226	10 23 27.01	+19 53 54.7	23 Dec 2014	3 × 1800	1.37	1.4	33	1.2 × 2.2	0.10 × 0.18
NGC 3642	11 22 17.89	+59 04 28.3	23 Dec 2014	3 × 1800	1.88	1.4	21	1.2 × 2.8	0.13 × 0.31
NGC 3718	11 32 34.85	+53 04 04.5	24 Dec 2014	3 × 1800	1.34	1.2	2	1.2 × 2.8	0.09 × 0.20
NGC 3884	11 46 12.18	+20 23 29.9	23 Dec 2014	3 × 2400	1.24	1.4	35	1.2 × 2.2	0.55 × 1.03
NGC 3998	11 57 56.13	+55 27 12.9	24 Dec 2014	3 × 1800	1.16	1.0	250	1.2 × 2.8	0.09 × 0.21
NGC 4036	12 01 26.75	+61 53 44.8	14 Apr 2013	4 × 1800	1.52	1.2	102	1.2 × 2.8	0.12 × 0.28
NGC 4143	12 09 36.06	+42 32 03.0	12 Apr 2013	4 × 1800	1.12	2.0	90	1.5 × 3.4	0.10 × 218
NGC 4203	12 15 05.05	+33 11 50.4	12 Apr 2013	4 × 1800	1.27	1.0	20	1.2 × 1.7	0.09 × 0.12
NGC 4278	12 20 06.82	+29 16 50.7	13 Apr 2013	4 × 1800	1.07	1.0	61	1.2 × 1.7	0.07 × 0.10
NGC 4438	12 27 45.59	+13 00 31.8	13 Apr 2013	4 × 1800	1.53	1.0	39	1.2 × 2.2	0.03 × 0.06
NGC 4450	12 28 29.63	+17 05 05.8	14 Apr 2013	4 × 1800	1.28	1.5	60	1.2 × 2.2	0.15 × 0.28
NGC 4636	12 42 49.83	+02 41 16.0	09 Jun 2015	3 × 1800	1.29	1.2	38	1.2 × 2.8	0.06 × 0.15
NGC 4750	12 50 07.27	+72 52 28.7	25 Dec 2014	3 × 1800	1.31	1.0	231	1.2 × 2.8	0.14 × 0.34
NGC 4772	12 53 29.16	+02 10 06.2	14 Apr 2013	3 × 1800	1.23	1.2	21	1.2 × 2.2	0.07 × 0.13
NGC 5005	13 10 56.23	+37 03 33.1	11 Apr 2013	3 × 1800	1.23	1.0	76	1.2 × 2.2	0.08 × 0.15
NGC 5077	13 19 31.67	−12 39 25.1	14 Apr 2013	4 × 1800	1.62	1.2	13	1.2 × 2.2	0.21 × 0.39

Notes. ‘ID’: object designation as in Table 1. ‘RA’ and ‘Dec.’ are the coordinates. ‘Night’: date the object was observed. ‘EXP’: exposure time for the observations. ‘Air mass’: full air mass range of the observations. ‘Slit PA’: slit position angle of the observations (as measured from north and eastwards on the sky). ‘Nuclear aperture’: columns indicate the nuclear aperture that is the nuclear region corresponding to the spectra presented in this work, expressed as angular size and spatial extent. These sizes are indicated as: slit width × selected region during the extraction of the final spectrum (see Section 2). ^a Marks those LINERs observed with ALFOSC/NOT instead of TWIN/CAHA.

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