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«ASTRONOMICAL RESEARCH: FROM NEAR-EARTH SPACE TO GALAXY»

(190th anniversary of Nikolaev Astronomical Observatory)

Compiled Astrometrical Catalogue 196600 Reference Stars for CCD-observations of 240 Extragalactic Radio Sources
V.Ryl'kov, N.Narizhnaya, A.Dement'eva Pulkovo Observatory of RuAS G.Pinigin, N.Maigurova NII Nikolaev Observatory of UAS
196600 CCD- 240

., ., ., ., .

:
1. ERS , VLBI . ( ) .

2.

3.

***
, , CCD- - ERS, ICRF .

***
ERS ( FK3-FK6)

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***
(ERS) ( 18-22 mag), . 13 mag.

***
11 , , CCD- ERS, ICRF. 10 c. UCAC3 .

***
, CCD- 13-18

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Pul ERS .
(330/3464) 90- . 300 74 ERS 20 . 35 5 17m. 2875 12-15m (200/4126) 115 ERS. 25 1 ERS.

PIRS-K . Kiev (Photographic Intermediate Reference Stars - Kiev) Catalogue. PIRS-B Bucharest.

188 ERS 90- (380/6000) . , ERS, 60 arcmin. 7395 . min

AMC1B .

- 90- XXI . ERS 6024 arcmin. 17074 208 Tycho-2 ( UCAC2).

CHinCAT .

ERS . - 2- . ERS 30. 89422 398 ICRF c ERS Hamburg Zone Astrograph ( grap USNO, Black ) Birch Astrometric Observatory ( ). 50 mas 12-14m 1976 1991 . - 10401060 . 115 0 +30 192 ERS UCAC2.

ERL .

KMAC1 .

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·

.1. ,
. , .

· · · ·

K N&S Obs La Palma La Palma

· · · · · ·

Pul ERS 1 CCD PIRS-B PIRS-K N_2004 CCD KMAC1-CU CCD ERL XC1 CMC14 CCD CMC9 -

4242 6024 6060 6060 6024 46x24 6024 Shmidt 6060 -

35 192 188 115 208 192 398 206 240

5139 6539 7395 2875 17074 115000 89422 77977 310409 5155

1991-1995 1996-1998 1991-2000 1989-1993 1999-2003 1999-2004 1976-1991 1989-2005 1984-1995

10-17 12-15 12-16 12-15 10-17 12-17 12-14 14-16.9 10-17 9-15.4

·

:

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UCAC3 XC1

CCD Scan Photo

60x60

240 255

882314 1995-2006 856421

9-17 < 19

5

ERS 10 , -30 , . 240 - .1

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: *** 1. 3 arcsec . 2. UCAC3 , UCAC3, 1 3. UCAC3 1, (>0,5 arcsec) 4. , 5. , RA DE 999.99 mas *** 148367 240 ERS, UCAC2, 48000 , , . *** , 240 40 arcmin ICRF 196600 . ** , , J2000, 148367 UCAC3 5604 11-12m Tycho-2.

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ERS . , , : 1 - Tycho-2, 2 . 12m . 2 UCAC3, 100 . , ( ), 16-17m 90 +90. 1991,25 (Tycho-2) I UCAC3. , , . ERS CCD- ( 20482048 ps), 40' 16-18m. 14-17m - ERS ICRF, ICRS. 240 ERS. UCAC3 Tycho-2, , . J2000 J1991,25 . (-) (-) .

8

.2 (-) RA UCAC3

.3 (-) DE UCAC3

.4

.5. (-) RA DE UCAC3, 148367 2000.0 .

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.6. (-) RA DE UCAC3 RA

.7. (-) RA DE UCAC3 DE

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148 , UCAC3 , (.4) 16,5m . (-), J2000,0 UCAC3 UCAC3 : - (-) RA DE - (-) RA , 4.60 mas, Err= +0.35 RA - (-) DE 8.40 mas +0.34 DE 0.008" (-) RA DE (.2-3) , (-100...+100mas). UCAC3. 0,044" RA 0,110" DE 196600 . Tycho-2 .

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.8. .

. 9 . (-) RA Tycho-2

.10. (O-C) DE Tycho-2

.11. (-) RA DE Tycho-2, 5604 2000.0 .

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.12. (-) RA DE Tycho-2 RA

.13. (-) RA DE Tycho-2 DE

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5604 , Tycho-2 , 9-13m 2000.0 : - (-) RA DE - (-) RA , -3.01 mas Err= +1.71 RA - (-) DE 21.11 mas +1.81 DE 0.02" - 1012m, Tycho-2 (-) RA DE (.9-10) (-) Tycho-2 (DE) RA DE: DE RA = 38,083 0,084 DE DE = 16,556 + 0,199 (-) RA DE 5604 Tycho-2 , UCAC3, (-100...+100mas). UCAC3.
***

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196600 , 22 419 925 . *** : 1- 10 - ; 12- 18 - , ( UCAC ); 20- 32 RA . ICRS J2000.0; 34- 39 - RA 0.001s; 41- 43 - RA; 45- 53 RA, . 55- 67 - DE . ICRS J2000.0; 69- 74 - Dec. 0.001"; 76- 78 - , ; 80- 88 DE, . 90- 100 - RA ; 102-111 - DE ±; 113-119 - RA mas/year (cosDE) UCAC3; 121-127 - DE mas/year UCAC3. 23.09.11 15

Summary Some differential catalogues of reference stars around extragalactic radio sources obtained from photographic and CCD-observations by different observatories are considered. Compiled catalogue of star positions in fields 40'x 40' for reduction of optical observations ERS on telescopes with CCDcameras is intended. Photographic observations fields around of 74 ERS were made in Pulkovo Observatory, around 115 ERS - in Observatory of Kiev University, around 188 ERS - in Rumanian National Observatory at Bucharest. 208 fields around ERS were obtained in Nikolaev observatory on telescope with CCD-camera. We included to catalogue the selections from La Palma catalogues CMC-9 and CMC-14, Kiev catalogue KMAC1-CU, ERL catalog for 398 ERS by Zacharias and the selections from Kharkov catalogue XC1. Astrometric positions for 196600 stars brighter than 17 magnitude for 240 fields around ERS are presented. A comparison of our results with those of other authors is made. For realization of optical CCD-observations of faint astrometric extragalactic radio sources (ICRF ERS) with the purpose of their connection to VLBI-observations (system ICRS), a compiled catalogue of more than 196600 reference stars of 10-17 magnitude was obtained for 240 fields of declinations from -30 to +80 declination with a center ERS. The comparison positions of stars with the catalogues UCAC3 and Tycho-2 was made. For majority of chosen fields from the compiled catalogue the average external accuracy was about 0:05 - 0:08". An internal accuracy of positions on both two coordinates was not worse 0,11". All positions of stars in the compiled catalogue are given: for stars chosen from UCAC3 by proper motions on epoch and equinox J2000.0, for another one on epoch of observation. ***
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196600 CCD- 240 .
., ., ., ., .

ERS.

The End
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