2002A&A...385.1095P

Query : 2002A&A...385.1095P

2002A&A...385.1095P - Astronomy and Astrophysics, volume 3851095-1106 (2002/4-3)

New algorithms for reducing cross-dispersed echelle spectra.

PISKUNOV N.E. and VALENTI J.A.

Abstract (from CDS):

We describe advanced image processing algorithms, implemented in a data analysis package for conventional and cross-dispersed echelle spectra. Comparisons with results from other packages illustrate the outstanding quality of the new REDUCE package, particularly in terms of resulting noise level and treatment of CCD defects and cosmic ray spikes. REDUCE can be adapted relatively easily to handle a variety of instrument types, including spectrographs with prism or grating cross-dispersers, possibly fed by a fiber or image slicer, etc. In addition to reduced spectra, an accurate spatial profile is recovered, providing valuable information about the spectrograph PSF and simplifying scattered light corrections.

Abstract Copyright: ∼

Journal keyword(s): instrumentation: spectrographs - methods: data analysis - techniques: spectroscopic

Simbad objects: 36

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Number of rows : 36
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 * ups And PM* 01 36 47.8415443907 +41 24 19.651368029 4.70 4.64 4.10 3.64 3.35 F9V 1017 1
2 * tau Cet PM* 01 44 04.0831371922 -15 56 14.927607677 4.43 4.22 3.50 2.88 2.41 G8V 1354 1
3 * del Eri PM* 03 43 14.9005379551 -09 45 48.210955899 5.13 4.46 3.54 2.82 2.32 K0+IV 651 0
4 * alf Tau LP? 04 35 55.23907 +16 30 33.4885 4.32 2.40 0.86 -0.37 -1.31 K5+III 1298 2
5 * iot Aur V* 04 56 59.6200224533 +33 09 57.937579478 6.00 4.22 2.69 1.63 0.81 K3II-III 288 0
6 * lam Aur PM* 05 19 08.4754499121 +40 05 56.585080940 5.46 5.33 4.71 4.18 3.86 G1.5IV-VFe-1 567 0
7 * phi02 Ori PM* 05 36 54.3885728561 +09 17 26.416510827 5.70 5.04 4.09 3.33 2.78 G9.5IIIbFe-2.5 371 0
8 * eps Gem V* 06 43 55.9271511904 +25 07 52.057892524 5.85 4.39 2.98 2.01 1.40 G8Ib 408 0
9 * eps Leo V* 09 45 51.0736168507 +23 46 27.313597604 4.23 3.79 2.98 2.36 1.93 G1IIIa 354 0
10 * 37 LMi * 10 38 43.2128104658 +31 58 34.463378806   5.494 4.677     G2.5IIIa 162 0
11 * psi UMa PM* 11 09 39.8082958358 +44 29 54.555917043 5.27 4.15 3.01 2.18 1.61 K1III 294 0
12 * bet Vir PM* 11 50 41.7185158616 +01 45 53.001539131 4.26 4.15 3.60 3.13 2.85 F9V 973 0
13 HD 103095 Pe* 11 52 58.7673387755 +37 43 07.254113125 7.38 7.20 6.45 5.80 5.35 K1V_Fe-1.5 842 1
14 * omi Vir SB* 12 05 12.5318326945 +08 43 58.866875781 5.75 5.11 4.12 3.38 2.89 G8IIICN0.5CH1Ba1 301 0
15 * c Vir RG* 12 20 20.9813922197 +03 18 45.255217001 7.27 6.12 4.96 4.07 3.46 K0.5IIIbFe-0.5 380 0
16 * bet Com PM* 13 11 52.3938268062 +27 52 41.462309460 4.92 4.84 4.25 3.77 3.47 F9.5V 946 0
17 * eta Boo SB* 13 54 41.07892 +18 23 51.7946 3.440 3.250 2.680 2.24 1.95 G0IV 733 0
18 * alf Boo RG* 14 15 39.67207 +19 10 56.6730 2.46 1.18 -0.05 -1.03 -1.68 K1.5IIIFe-0.5 2417 1
19 * del Boo PM* 15 15 30.1628200572 +33 18 53.392471806 5.12 4.44 3.49 2.76 2.25 G8IIIFe-1 388 0
20 * iot Dra V* 15 24 55.7738042889 +58 57 57.837111857 5.68 4.45 3.29 2.51 1.91 K2III 428 1
21 * alf Ser PM* 15 44 16.0741095811 +06 25 32.268792881 5.080 3.800 2.630 1.82 1.25 K2IIIbCN1 533 0
22 * s Her RG* 16 30 33.5484796848 +20 28 45.074511516   6.484 5.243     G8.5IIICN-2CH-1Fe-1 154 0
23 * mu.01 Her ** 17 46 27.5472960785 +27 43 14.560978925 4.56 4.17 3.42 2.89 2.51 G5IV 719 0
24 * gam Dra * 17 56 36.36988 +51 29 20.0242 5.630 3.760 2.230 1.08 0.23 K5III 581 1
25 V* V694 CrA a2* 18 12 25.8347418984 -37 45 09.271268532   8.34 7.92     ApSrCrEu 122 0
26 * tet Lyr * 19 16 22.0933692526 +38 08 01.471362063 6.87 5.64 4.38 3.51 2.93 K0II 201 0
27 * b Aql PM* 19 24 58.1999714302 +11 56 39.888480530 6.35 5.93   4.7   G7IVHdel1 522 0
28 * gam Aql * 19 46 15.5789542266 +10 36 47.731401477 5.93 4.23 2.72 1.65 0.87 K3II 450 0
29 * bet Aql PM* 19 55 18.7928429719 +06 24 24.351242346 5.040 4.560 3.710 3.05 2.56 G8IV 578 0
30 * eta Cep PM* 20 45 17.3751675120 +61 50 19.614231888 4.960 4.320 3.410 2.76 2.27 K0IV 461 0
31 * ksi Cyg SB* 21 04 55.8599363125 +43 55 40.272058234 7.17 5.39 3.73 2.55 1.63 K4.5Ib-II 324 0
32 * eps Peg LP* 21 44 11.1561394 +09 52 30.031152 5.61 3.91 2.39 1.34 0.58 K2Ib-II 464 1
33 BPS CS 22892-0052 Pe* 22 17 01.6558764360 -16 39 27.051026544   14.03 13.20 13.06 12.19 KIIvw 472 0
34 V* BP Gru a2* 23 01 46.8211202616 -44 50 26.878698672   7.99 7.52     ApSrSi: 137 0
35 * 56 Peg SB* 23 07 06.7418870416 +25 28 05.773861158 7.20 6.06 4.74 3.74 3.07 K0.5II:Ba1CN-2CH-0.5 270 0
36 * lam And RS* 23 37 33.8427800830 +46 27 29.344721109 5.54 4.84 3.82 3.04 2.47 G8IVk 693 0

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