1996JAVSO..24...26Z

Query : 1996JAVSO..24...26Z

1996JAVSO..24...26Z - J. Am. Assoc. Variable star obs., 24, 26-35 (1996/June-0)

Exposure nomographs.

ZISSELL R.E.

Abstract (from CDS):

Correct exposure times may be determined from nomographs relating signal-to-noise ratio, exposure time, color, seeing, and magnitude. The equations needed to construct the nomographs are developed. Calibration techniques are discussed.

Abstract Copyright: ∼

Journal keyword(s):

Simbad objects: 1

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Number of rows : 1
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* V1028 Cyg CV* 20 00 56.4596100362 +56 56 37.060154519           ~ 55 0

Query : 1996JAVSO..24...26Z

Basic data :
V* V1028 Cyg -- Cataclysmic Binary
Other object types: otypes_help 		CV* (2016PASJ), V* (V*,AAVSO), * (Gaia)
ICRS coord. (ep=J2000) : 		20 00 56.4596100362 +56 56 37.060154519 (Optical) [ 0.2086 0.2032 90 ] A 2018yCat.1345....0G
FK4 coord. (ep=B1950 eq=1950) : 		19 59 51.2834753332 +56 48 14.662864631 [ 0.2086 0.2032 90 ]
Gal coord. (ep=J2000) : 		090.5292777354822 +13.7213600022769 [ 0.2086 0.2032 90 ]
Proper motions mas/yr : 		-5.522 -2.943 [0.521 0.472 90] A 2018yCat.1345....0G
Parallaxes (mas): 		1.7273 [0.2231] A 2018yCat.1345....0G
Fluxes (1) :
G 18.8904 [0.0212] C 2018yCat.1345....0G
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Identifiers (4) :
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SV* SON 7854 V* V1028 Cyg AAVSO 1958+56 Gaia DR2 2234640908237099008

References (55 between 1850 and 2026) (Total 55)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Plx : 1    PM : 1   

   

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V* V1028 Cyg Gaia DR2 2234640908237099008

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