1999BaltA...8...73M

Query : 1999BaltA...8...73M

1999BaltA...8...73M - Baltic Astronomy, 8, 73-96 (1999/February-0)

GAIA spectroscopy : proposing the 8500-8750 A region and evaluating the performances.

MUNARI U.

Abstract (from CDS):

We propose the Gaia spectroscopic observations to be performed over the wavelength interval 8500-8750 Å, with an optimal dispersion of 0.25 Å/pix (or 1000 pixels budget per spectrum) and a 2 pixel PSF. In this paper, on the base of extensive observations as well as synthetic spectra and simulations, we review the spectroscopic performances expected for Gaia: radial and rotational velocities, spectral classification, detection of mass-loss and spectral peculiarities, chemical abundance analysis and reddening estimates from the 8620 Å diffuse interstellar band. Lower dispersion spectra (corresponding to smaller pixel budgets) are considered too.

Abstract Copyright: ∼

Journal keyword(s): stars: infrared spectra, synthetic spectra, spectral classification, abundances - ISM: extinction, interstellar bands - orbiting observatories: Gaia

Simbad objects: 35

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Number of rows : 35
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 NGC 225 OpC 00 42 34.7 +61 47 30   7.43 7.0     ~ 110 0
2 * ups And PM* 01 36 47.8415443907 +41 24 19.651368029 4.70 4.64 4.10 3.64 3.35 F9V 1017 1
3 * phi Per Be* 01 43 39.6379691568 +50 41 19.433124998 3.10 4.02 4.06 3.90 3.88 B1.5V:e-shell 594 0
4 * omi Cet Mi* 02 19 20.79210 -02 58 39.4956   7.63 6.53 5.03   M5-9IIIe+DA 1586 0
5 HD 18474 * 02 59 49.7897133000 +47 13 14.567181096   6.348 5.485     G5:III:CN-3CH-2Hdel-1 116 0
6 * kap01 Cet BY* 03 19 21.6964175772 +03 22 12.714979884 5.71 5.52 4.85 4.27 3.91 G5V 948 0
7 V* UX Ari RS* 03 26 35.3756804760 +28 42 54.226408428 7.76 7.28 6.37     K0IV 726 0
8 HD 21483 * 03 28 46.6537212648 +30 22 31.231016796 7.080 7.390 7.070     B3III 155 0
9 HD 22468 RS* 03 36 47.2904292073 +00 35 15.943692002 7.09 6.79 5.90     K2:Vnk 1206 0
10 V* X Per HXB 03 55 23.0777456088 +31 02 45.039836148 6.090 6.840 6.720     O9.5III 1037 0
11 V* T Tau TT* 04 21 59.4319873992 +19 32 06.432393336   11.22 10.12 9.80   K0IV/Ve 1456 1
12 * eta Aur PM* 05 06 30.8941413263 +41 14 04.112669983 2.33 3.00 3.18 3.23 3.40 B3V 391 0
13 * eps Ori s*b 05 36 12.81335 -01 12 06.9089 0.48 1.51 1.69 1.76 1.93 B0Ia 921 0
14 * eta Hya bC* 08 43 13.4757536071 +03 23 55.182801587 3.380 4.100 4.300 4.37 4.56 B3V 418 1
15 * d UMa RS* 09 34 28.8594727848 +69 49 49.226541888 5.67 5.34 4.57 3.91 3.50 G5III-IV 315 0
16 * zet Leo V* 10 16 41.4151642435 +23 25 02.341160368 3.89 3.72 3.41 3.09 2.91 F0IIIa 235 0
17 HD 92523 * 10 43 04.0407163176 +69 04 34.369772376   6.397 4.992     K3III 97 0
18 HD 92787 PM* 10 43 32.8901986032 +46 12 13.947275952   5.51   5.0   F5III 99 0
19 * alf UMa ** 11 03 43.67152 +61 45 03.7249 3.78 2.86 1.79 0.98 0.40 G9III+A7.5 448 0
20 HD 124752 PM* 14 12 27.0506409432 +67 35 10.158983160   9.36 8.54 8.82   K0.5V 63 0
21 * gam Her PM* 16 21 55.2146227867 +19 09 11.262744388 4.22 4.03 3.76 3.47 3.33 A9IIIbn 184 0
22 V* BY Dra BY* 18 33 55.7720712062 +51 43 08.897780286 10.22 9.23   8.733   K4Ve+K7.5Ve 639 0
23 V* RR Lyr RR* 19 25 27.9129605304 +42 47 03.693258204   7.36   7.6   kA3hF0 951 0
24 * nu. Aql * 19 26 31.0892580000 +00 20 18.854897820 5.71 5.31 4.72 4.21 3.77 F2Ib 141 0
25 * P Cyg s*b 20 17 47.2019733389 +38 01 58.549132671 4.66 5.24 4.82 4.28 4.02 B1-2Ia-0ep 1200 1
26 * gam Cyg V* 20 22 13.7018357 +40 15 24.044963 3.44 2.90 2.23 1.74 1.40 F8Ib 607 0
27 HD 194839 s*b 20 26 21.5475791160 +41 22 45.646427280 8.40 8.49 7.49     B0.5Ia 120 0
28 * 4 Peg PM* 21 38 31.9404979608 +05 46 18.282456840   5.915 5.656     A9IV-Vn 58 0
29 V* OO Peg SB* 21 41 37.6990945104 +14 39 30.750983100 8.650 8.530 8.260     A2 32 0
30 * 9 Peg V* 21 44 30.6958020785 +17 21 00.062899998 6.48 5.52 4.35 3.53 2.98 G5Ib 274 0
31 * 12 Peg s*r 21 46 04.3635268800 +22 56 55.964753592   6.622 5.266     K0IbHdel0.5 134 0
32 * del Cep cC* 22 29 10.2626640314 +58 24 54.697613650 4.71 4.35 3.75   3.219 F5Iab:+B7-8 763 0
33 * psi02 Aqr Be* 23 17 54.2137206 -09 10 57.067524 3.72 4.26 4.40 4.47 4.60 B5V 157 0
34 * ups Peg PM* 23 25 22.7828725585 +23 24 14.762916815 5.15 5.01 4.40 3.86 3.54 F8III 263 0
35 HD 224055 Em* 23 54 42.1155968568 +61 50 20.036841432 7.67 7.846 7.233     B3Ia 96 0

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