2019AJ....158..178P

Query : 2019AJ....158..178P

2019AJ....158..178P - Astron. J., 158, 178-178 (2019/November-0)

Photometry of the uranian satellites' with Keck and the search for Mab.

PARADIS S., MOECKEL C., TOLLEFSON J. and DE PATER I.

Abstract (from CDS):

We present photometric properties of six small (radii <100 km) satellites of Uranus based on 32 H-band (1.49-1.78µm) images taken on 2015 August 29 from the Keck II Telescope on Maunakea, Hawaii with the near-infrared camera NIRC2 coupled to the adaptive optics system. The sub-observer latitude of our observations was 32°, i.e., we view much of the satellites' north poles, in contrast to the 1986 Voyager measurements. We derive reflectivities based on mean-stacking measurements of these six minor moons of Uranus. We find that the small satellites are significantly brighter than in previous observations, which we attribute to albedo variations between hemispheres. We also search for Mab, a small satellite with an unknown surface composition, orbiting between Puck and Miranda. Despite the significantly improved signal-to-noise ratio we achieved, we could not detect Mab. We suggest that Mab is more similar to Miranda, an icy body, than to the inner rocky moons. Assuming Mab is spherical with a radius of 6 km, as derived from Hubble Space Telescope (HST) observations if its reflectivity is ∼0.46, we derive a 3σ upper limit to its reflectivity [I/F] of 0.14 at 1.6 µm.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): methods: observational - instrumentation: adaptive optics - planets and satellites: detection - planets and satellites: surfaces - techniques: image processing - 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 1160 * 00 15 57.3019549776 +04 15 04.009943520   7.159 7.119     A0V 100 1

Query : 2019AJ....158..178P

Basic data :
HD 1160 -- Star
Other object types: otypes_help 		* (2020A&A,HD,...), ** (**,WDS), UV (TD1), NIR (2MASS)
ICRS coord. (ep=J2000) : 		00 15 57.3019549776 +04 15 04.009943520 (Optical) [ 0.0281 0.0240 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		00 13 23.1652993395 +03 58 24.549308420 [ 0.0281 0.0240 90 ]
Gal coord. (ep=J2000) : 		106.3140943704693 -57.4713140491570 [ 0.0281 0.0240 90 ]
Proper motions mas/yr : 		20.150 -14.903 [0.040 0.034 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 12.6 [0.3] / z(~) 0.000042 [0.000001] / cz 12.60 [0.30]
   (Opt) C 2012ApJ...750...53N
Parallaxes (mas): 		8.2721 [0.0355] A 2020yCat.1350....0G
Spectral type: 		A0V C 1999MSS...C05....0H
Fluxes (6) :
B 7.159 [0.015] D 2000A&A...355L..27H
V 7.119 [0.010] D 2000A&A...355L..27H
G 7.1074 [0.0003] C 2018yCat.1345....0G
J 6.983 [0.020] C 2003yCat.2246....0C
H 7.013 [0.023] C 2003yCat.2246....0C
K 7.040 [0.029] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1
: 2 		: 4730 Display criteria :

Identifiers (26) :
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HD 1160 GSC 00005-00548 SAO 109094 WDS J00160+0415A
** NLS 1A HD 1160A SKY# 470 YZ 3 36
AG+03 26 HIC 1272 SRS 3023 Gaia DR2 2741090498161113344
AGKR 196 HIP 1272 TD1 112 Gaia DR3 2741090498161113344
BD+03 26 2MASS J00155729+0415040 TIC 427331589 Gaia DR1 2741090493864869504
FK5 4027 N30 44 TYC 5-548-1
GC 304 PPM 143311 UCAC4 472-000378

References (100 between 1850 and 2026) (Total 100)
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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Collections of Measurements Description of Measurements

Distance : 2    Rot : 1    Fe/H : 2    Plx : 5    PM : 8    SpT : 2   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Link by name to the catalogue in VizieR :

HD 1160 AG+03 26 BD+03 26 FK5 4027 GSC 00005-00548
HD 1160A HIC 1272 HIP 1272 2MASS J00155729+0415040 PPM 143311
SAO 109094 TD1 112 TYC 5-548-1 UCAC4 472-000378 WDS J00160+0415A
Gaia DR2 2741090498161113344 Gaia DR3 2741090498161113344 Gaia DR1 2741090493864869504

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