1998PASP..110..186H

Query : 1998PASP..110..186H

1998PASP..110..186H - Publ. Astron. Soc. Pac., 110, 186-192 (1998/February-0)

A technique for photometric detection and measurement of unresolved binary systems.

HICKSON P.

Abstract (from CDS):

A technique is described for the detection and measurement of close binary systems whose images are unresolved. The method is based on analysis of the moment of inertia tensor of the image, from which the product of the binary flux ratio and square of the angular separation may be determined. Intrinsic asymmetries of the point-spread function are removed by comparison with the image of a reference star. Multiple exposures may be used to increase the signal-to-noise ratio without need of image alignment. An example is given of a simulated measurement of the dwarf carbon star system G77-61.(c) Astronomical Society of the Pacific

Abstract Copyright: ∼

Journal keyword(s): Computing and Data Analysis

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	G 77-61	Pe*	03 32 38.0920129269	+01 58 00.084645962		15.60	13.90	12.9		dC-J_CH5	139	0

Query : 1998PASP..110..186H

Basic data :

G 77-61 -- Chemically Peculiar Star

PM* (2016ApJ,G,...), * (ASCC,GEN#,...), Pe* (1977ApJ), C* (CGCS,[TI98]), NIR (2MASS), MIR (WISEA)

03 32 38.0920129269 +01 58 00.084645962 (Optical) [ 0.0820 0.0804 90 ] A 2020yCat.1350....0G

03 30 01.9567906316 +01 48 32.254548309 [ 0.0820 0.0804 90 ]

182.6067149161130 -41.5080184369684 [ 0.0820 0.0804 90 ]

189.328 -754.407 [0.122 0.120 90] A 2020yCat.1350....0G

V(km/s) -23.94 [~] / z(~) -0.000080 [~] / cz -23.94 [~] (Opt) D 2019A&A...621A.108A

13.6824 [0.1088] A 2020yCat.1350....0G

dC-J_CH5 C 1977ApJ...216..757D

B 15.60 [~] E ~

V 13.90 [~] E ~

R 12.9 [~] E 2003AJ....125..984M

G 13.317625 [0.002782] C 2020yCat.1350....0G

J 11.470 [0.022] C 2003yCat.2246....0C

H 10.844 [0.024] C 2003yCat.2246....0C

K 10.480 [0.021] C 2003yCat.2246....0C

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`2MASS J03323808+0157599`	`HE 0330+0148`	`PM 03300+0148`	`WISEA J033238.22+015752.2`
`ASCC 1100319`	`LHS 1555`	`TIC 453825491`	`[TI98] 0330+0148`
`CGCS 6059`	`LSPM J0332+0158`	`UBV M 53656`	`Gaia DR2 3265069670684495744`
`GEN# +9.80077061`	`LTT 17527`	`USNO-B1.0 0919-00035423`	`Gaia DR3 3265069670684495744`
`G 80-6`	`NLTT 11191`	`USNO 202`
`G 77-61`	`PLX 739.01`	`USNO 699`

References (139 between 1850 and 2026) (Total 139)
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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`2MASS J03323808+0157599`	`CGCS 6059`	`G 80-6`	`G 77-61`	`LHS 1555`
`LSPM J0332+0158`	`NLTT 11191`	`USNO-B1.0 0919-00035423`	`WISEA J033238.22+015752.2`	`Gaia DR2 3265069670684495744`
`Gaia DR3 3265069670684495744`

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