2018AJ....156...72K

Query : 2018AJ....156...72K

2018AJ....156...72K - Astron. J., 156, 72-72 (2018/August-0)

Probing the Hill sphere of (486958) 2014 MU₆₉: HST FGS observations during the 2017 July 17 stellar occultation.

KAMMER J.A., BECKER T.M., RETHERFORD K.D., STERN S.A., OLKIN C.B., BUIE M.W., SPENCER J.R., BOSH A.S. and WASSERMAN L.H.

Abstract (from CDS):

We observed the 2017 July 17 stellar occultation of HD 168233 by the Kuiper Belt Object (486958) 2014 MU₆₉, the close flyby target of the extended New Horizons mission. Rather than capture a solid body occultation by the KBO itself, our program aimed to constrain the opacity of rings, moons, or other debris in the nearby environment. We used the Hubble Space Telescope Fine Guidance Sensors (HST FGS) instrument in TRANS F583W mode to collect 40 Hz time resolution photometry of the stellar occultation star for two HST orbits during this observation. We present the results of reduction and calibration of the HST FGS photometry, and set upper limits on rings or other dust opacity within the Hill sphere of (486958) 2014 MU₆₉ at distances ranging from ∼20000 km to ∼75000 km from the main body.

Journal keyword(s): Kuiper belt objects: individual: (486958 2014 MU69 - occultations - techniques: photometric

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	HD 168233	*	18 19 39.7333675632	-22 31 43.580420400		9.69	9.24			A8/9V	11	0

Query : 2018AJ....156...72K

Basic data :

HD 168233 -- Star

* (HD,BD,...), NIR (2MASS)

18 19 39.7333675632 -22 31 43.580420400 (Optical) [ 0.0356 0.0304 90 ] A 2020yCat.1350....0G

18 16 38.2856694177 -22 33 02.328255309 [ 0.0356 0.0304 90 ]

009.3566679144945 -03.5027061494743 [ 0.0356 0.0304 90 ]

5.659 -10.688 [0.043 0.032 90] A 2020yCat.1350....0G

V(km/s) -45.69 [1.99] / z(spectroscopic) -0.000152 [0.000007] / cz -45.69 [1.99] (Opt) B 2020AJ....160...83S

2.3818 [0.0405] A 2020yCat.1350....0G

A8/9V D 1988MSS...C04....0H

B 9.69 [0.03] D 2000A&A...355L..27H

V 9.24 [0.02] D 2000A&A...355L..27H

G 9.111065 [0.002897] C 2020yCat.1350....0G

J 8.248 [0.030] C 2003yCat.2246....0C

H 8.087 [0.020] C 2003yCat.2246....0C

K 8.048 [0.026] C 2003yCat.2246....0C

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`HD 168233`	`GSC 06844-02804`	`RAVE J181939.7-223144`	`YZ 112 12684`
`BD-22 4670`	`2MASS J18193973-2231436`	`SAO 186655`	`Gaia DR2 4090537233695597696`
`CD-22 12841`	`PPM 268243`	`TIC 165800359`	`Gaia DR3 4090537233695597696`
`CPD-22 6927`	`RAVE J181939.7-223143`	`TYC 6844-2804-1`

References (11 between 1850 and 2026) (Total 11)
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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`HD 168233`	`BD-22 4670`	`CD-22 12841`	`CPD-22 6927`	`GSC 06844-02804`
`2MASS J18193973-2231436`	`PPM 268243`	`RAVE J181939.7-223143`	`RAVE J181939.7-223144`	`SAO 186655`
`TYC 6844-2804-1`	`Gaia DR2 4090537233695597696`	`Gaia DR3 4090537233695597696`

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