IAC80 Telescope

Cómo llegar

@28.2996,-16.511

Diámetro

Ø 82.00 cm

Estado

Operativo

Año de operación

1993

Descripción

The IAC80 telescope, setted for observations in the optical, was fully designed and built by the Instituto de Astrofísica de Canarias (IAC) and it was the first of its class developed in Spain. In 1980 the IAC started its development and was finally installed at the OT in 1991. This telescope has an equatorial german mount, with an effective focal ratio of f/11.3, effective focal length of 9.02 m and a primary mirror of diameter 82 cm. The instrumentation is installed at its Cassegrain primary focus.

The IAC80 telescope is an ideal telescope for long-term programmes, collaborations with other telescopes, urgent observations in service or ToO observation modes, student practices and observational or instrumental test-bed. IAC80 is a key part of the Teide Observatory because of its versatility and availibity. Currently, the IAC80 is equiped with the wide field camera CAMELOT2.

Datos técnicos

IAC80 Filters

The list of filters is currently under revision

Available filters for CAMELOT

Interferential filters:

IAC No.	Spectral Range	CWL[nm]	Width[nm]	Tmax(%)(1)	Transmission	Cosmetic(2)	Size(3)	Name(4)	IAC No.
		jpg	ascii
73	—	312.7	4	65.2	V – H	V – H	new	50L	n73	73
77	—	330.9	4.3	52.4	V – H	V – H	new	50L	n77	77
22	[OII] cont.	365.8	5	57.2	V – H	V – H	(*)	50D	n22[OII]ct	22
4	[OII]	372.5	5	54.2	V – H	V – H	new	50D	n4[OII]	4
76	[NeIII],OII, Heps	397.3	6.9	61.1	V – H	V – H	new	50Lx8	n76[NeIII]	76
14	—	460.9	5	78.2	V – H	V – H	new	60D	n14	14
15	HeII	463.3	5	78.3	V – H	V – H	det(O)	60D	n15HeII	15
80	HeII	468.3	3	76	V – H	V – H	new	60Dx6	n80HeII	80
66	[ArIV], [FeIII]	475.3	3	60.5	C	C	new	50D	n66[ArIV]	66
5	Hß cont.	484.1	3	78.3	V – H	V – H	new	60D	n5Hbct	5
10	Hß	486.5	3	79.3	V – H	V – H	new	60D	n10Hb	10
65	Hß	487.5	6.2	63.7	C	C	new	50Dx6	n65Hb	65
13	Hß red	490.1	5	66	V – H	V – H	new	60D	n13Hbred	13
1	Hß red.	493.5	4	80.7	V – H	V – H	new	60D	n1Hbred	1
6	[OIII]	500.8	3	76.7	V – H	V – H	new	50Dx6	n6[OIII]	6
7	[OIII] red.	502.8	5	80.2	V – H	V – H	det(O)	60D	n7[OIII]red	7
3	[OIII] cont.	505.8	5	78.3	V – H	V – H	det(O)	60D	n3[OIII]ct	3
33	[OIII] cont.	506.5	2.5	76.3	V – H	V – H	new	60Dx6	n33[OIII]ct	33
9	[OIII] red.	510	5	80.6	V – H	V – H	new	60D	n9[OIII]red	9
16	[OIII] red.	514	5	79.2	V – H	V – H	new	60D	n16[OIII]red	16
8	[OIII] red.	518	5	66.5	V – H	V – H	new	60D	n6[OIII]red	8
21	[OIII] red.	522	5	84	V – H	V – H	det(O)	60D	n21[OIII]red	21
11	[OIII] red.	525	0.5	—			det(O)	60D	n11[OIII]red	11
18	—	545.7	5	71.5	V – H	V – H	new	60D	n18	18
28	—	606.1	19.7	92.1	V – H	V – H	new	60Dx7	n28	28
38	[OI] cont.	625.8	2.9	89.5	V – H	V – H	new	60Dx7	n38[OI]ct	38
37	[OI]	630.8	2.9	87.8	V – H	V – H	new	60Dx7	n37[OI]	37
27	Ha cont.	650.7	5	84.7	V – H	V – H	new	60Dx7	n27Hact	27
40	Ha	656.7	0.8	60	V – H	V – H	scrat	50Dx6	n40Ha	40
20	Ha+[NII]	657.1	5	91.1	V – H	V – H			n20Ha[NII]	20
68	Ha	657.6	9.6	63	C	C	new	50Dx6	n68Ha	68
12	Ha red.	661.1	5	88.7	V – H	V – H	(*)	60D	n12Hared	12
24	Ha red.	664.7	5	90.2	V – H	V – H	new	60Dx7	n24Hared	24
19	Ha red.	668.7	5	92.9	V – H	V – H	(*)	60D	n19Hared	19
32	[SII]	671.7	0.8	65.9	V – H	V – H	scrat	60Dx5	n32[SII]	32
17	[SII]	672.3	5	92.5	V – H	V – H	new	60D	n17[SII]	17
34	[SII]	673.5	1.1	59.7	V – H	V – H	new	60D	n34[SII]	34
39	Ha red.	676.3	4.9	92.7	V – H	V – H	new	60Dx7	n39Hared	39
31	Ha red.	680.3	5	93.2	V – H	V – H	new	60Dx5	n31Hared	31
30	Ha red.	684.8	5	87.5	V – H	V – H	new	60Dx7	n30Hared	30
36	Ha red.	689.1	5	91.5	V – H	V – H	new	60Dx7	n36Hared	36
35	Ha red.	692.9	4	92	V – H	V – H	new	60Dx7	n35Hared	35
2	Ha red.	697.2	5	92.3	V – H	V – H	new	60D	n2Hared	2
29	—	701.5	5	92.1	V – H	V – H	new	60Dx7	n29	29
74	—	744.2	13.9	90.2	V – H	V – H	(*)	50L	n74	74
85	750 Cont	749.25	11.5	87.5			new	50D	n85con	85
78	K	769.1	24.3	95.5	V – H	V – H	new	50L	n78K	78
83	K (LGS-OGS)	769.1	10	?			new	50Lx6	n83K	83
75	—	779.8	24.9	91.3	V – H	V – H	new	50L	n75	75
81	824 Ch4blue	823.6	13.2	81.2	V – H	V – H	new	50Lx6	n81_824	81
84	890 Ch4cen	890.25	12.5	86			new	50D	n84_890	84
82	914 Ch4red	913.8	13.5	90.4	V – H	V – H	new	50Lx6	n82_914	82
25	[SIII] cont.	948.1	3	84.3	V – H	V – H	new	60Dx6	n25[SIII]	25
23	[SIII]	952.9	3	81.8	V – H	V – H	new	60Dx6	n23[SIII]	23

(1) All these are circular filters 60mm diameter or 50mm side (square) or diameter (round). The transmission of each filter was measured by sampling in two different lines, horizontal and vertical, crossing the center filter to detect possible irregularities. Data were taken every 5 mm. Sampling took place in the whole visible range over a certain length at the ends to evaluate their performance. The sampling interval was 0.1 nm and a bandwidth of 0.3 nm (except for IAC # 26, which was 0.5 nm, and IAC IAC # 32 and # 34, with a sampling of 0 , 02 nm with a bandwidth of 0.07 nm). The transmission measured is ratiometric, that is, no corrections were applied onphotopic or scotopic correction curves. The measurement temperature for all filters was 20 º C.

(2) (det) label indicates that filter is somewhat damaged and is going to be replaced soon, (O) label indicates that a new filter have been requested, (scrat) label indicates that the filter is somewhat scratched.

(3) 50L: squared filters 50mm side.

50D: circular filter of 50mm diameter (proper for FASTCAM).

60D: circular filters 60mm diameter.

Filter thickness is indicated only if it is larger than 5mm.

(4) Filter name in the image header.

(*) Please, contact with GAS (ttnn_a [at] iac.es (ttnn_a[at]iac[dot]es)) if you want to use these filters.

Johnson/Bessell (size: 50L)

Name	CWL [nm]	Width [nm]	Tmax (%)	Transmission (ASCII)
U	365.75	57.70	64.77	U
B	433.45	97.50	71.17	B
V	537.40	84.60	86.75	V
R	627.25	127.30	82.04	R
I	872.20	298.00	93.70	I

SDSS

Name	CWL [nm]	Width [nm]	Tmax (%)	Transmission (ASCII)
u’	305.05	62.30	79.28	u’
g’	475.80	143.40	90.21	g’
r’	<623.10	142.60	94.96	<r’
i’	770.60	156.40	92.68	i’
z’	966.20	267.60	96.62	z’

STROEMGREN

Filter	CWL [nm]	Width [nm]	Tmax (%)	Transmission (JPG)
U	346,75	31,5	83,68	U
V	412,00	20	91,52	V
B	465,5	17,0	89,52	B
Y	544,75	23,5	91,90	Y

Filters for TCP

Name	CWL [nm]	Width [nm]	Tmax (%)
U	364.25	57.50	66.87	U	U
B	431.75	98.50	68.00	B	B
V	532.25	85.50	90.29	V	V
R	631.00	< 122.00	78.45	R	R
I	881.50	312.00	83.61	I	I

The observers must contact their support astronomer some months before their run to indicate any spetial filter requirements. The filter wheel is inside the cryostat, so once the cryostat is closed it will not be opened again until the camera is carried down to the IAC’s workshops at La Laguna.

Futuro

The IAC80 has other important utilities for the development of astronomical research. Among them, it is worth mentioning that it is a testing site for instrumentation of other large telescopes, (like Gran Telescopio CANARIAS), as well as being used for the atmospheric characterization of the Canarian Observatories, together with other telescopes (TCS and OGS). Finally, a great number of students from different European universities, (not only from the University of La Laguna), carry out their first observations with this telescope.

Resultados

Many important astronomical observations have been carried out on the IAC80 and the scientific output has been consolidated with more than 100 refereed publications in international journals. The observing projects at the IAC80 include a wide range of targets, from the nearest objects, such as the monitoring of the most important comets in recent years, including the crash of comet P/Shoemaker-Levy against Jupiter, to the most remote ones, such as quasars or gravitational lenses. Among the most outstanding results, have been the discovery of Teide 1 -the first known star-like brown dwarf-, the monitoring during ten years of a gravitational lens that has given information on the dark matter in the universe, and the images of the celestial body responsible for a violent gamma ray burst, one of the most intense energetic bursts in the Universe.

Noticias

El telescopio IAC80 detecta el débil tránsito del exoplaneta WASP-156b

Fecha de publicación

15/11/2021 - 11:58
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14/09/2020
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17/06/2019
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