1994PASP..106.1172J

Query : 1994PASP..106.1172J

1994PASP..106.1172J - Publ. Astron. Soc. Pac., 106, 1172-1183 (1994/November-0)

Calibration of the UBVRI high-speed photometer of Laboratorio Nacional de Astrofisica, Brazil.

JABLONSKI F., BAPTISTA R., BARROSO J., GNEIDING C.D., RODRIGUES F. and CAMPOS R.P.

Abstract (from CDS):

We describe the characteristics and performance of a high-speed multicolor photometer, FOTRAP, which has been used since 1988 at LNA, Laboratorio Nacional de Astrofisicas/CNPq, Brazil. The opto-mechanical concepts, electronics and software are outlined. We discuss the quality and consistency of the transformations from the natural system to the UBVRI standard system. We give particular attention to the problem of transforming to the standard system observations of objects with blue spectra, like cataclysmic variables. We compare the results of our UBVRI measurements for a few spectrophotometric standards with the values published in the literature.

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Journal keyword(s):

Simbad objects: 16

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Number of rows : 16
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 V* FS Cet CV* 02 35 07.5939240480 +03 43 56.816311296 11.027 12.209 12.412 12.325 11.968 DA1+dM 379 0
2 L 595-22 Pe* 05 56 24.7419040752 -27 51 32.361761700   12.31 12.38     sdG 171 0
3 BD+08 2015 SB* 08 15 41.5995228984 +07 37 05.703579012   11.06 10.38 10.14   G0/5V 58 0
4 CD-32 5613 WD* 08 41 32.4290850497 -32 56 32.915823461   12.07 11.85 12.3   DA5.5 325 0
5 V* EX Hya CV* 12 52 24.2222471899 -29 14 55.999766523   13.505 13.491 13.549   M5-6V 730 0
6 V* UX UMa CV* 13 36 40.9531256400 +51 54 49.423353228   12.78 13.26     sdOB 556 0
7 CD-38 10980 WD* 16 23 33.8380498896 -39 13 46.161043572 9.916 10.885 11.029 10.936 10.841 DA2 526 0
8 V* V2051 Oph CV* 17 08 19.0873634976 -25 48 31.704262776   17.5       ~ 252 0
9 V* EM Cyg CV* 19 38 40.1068970904 +30 30 28.332591012     11.90     ~ 270 0
10 V* AB Dra CV* 19 49 06.5315089272 +77 44 23.339250276   15.209 14.928 14.097   ~ 124 0
11 CD-30 17706 WD* 20 10 56.8486912016 -30 13 06.627142663 11.654 12.286 12.242 12.311 12.381 DA3.1 267 0
12 LAWD 87 WD* 21 32 16.2327040616 +00 15 14.399267982 13.717 14.634 14.674 14.675 14.676 DB4 195 1
13 V* SS Cyg CV* 21 42 42.8034497592 +43 35 09.867842484 11.07 12.651 12.032 9.326   K5V 1324 1
14 LAWD 89 WD* 21 47 37.2893176824 -07 44 12.210487188 13.752 14.77 14.83 14.96 14.889 DB0 71 0
15 LP 877-23 PM* 22 52 41.0353986762 -20 35 32.994432457   13.02 11.90     ~ 119 0
16 EGGR 264 WD* 23 19 35.3881861344 -17 05 28.465573380 13.279 14.132 14.111 14.07 14.049 DB3 131 0

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