2001ApJ...556L.113A

Query : 2001ApJ...556L.113A

2001ApJ...556L.113A - Astrophys. J., 556, L113-L116 (2001/August-1)

Limits on the abundance of galactic planets from 5 years of PLANET observations.

ALBROW M.D., AN J., BEAULIEU J.-P., CALDWELL J.A.R., DEPOY D.L., DOMINIK M., GAUDI B.S., GOULD A., GREENHILL J., HILL K., KANE S., MARTIN R., MENZIES J., NABER R.M., PEL J.-W., POGGE R.W., POLLARD K.R., SACKETT P.D., SAHU K.C., VERMAAK P., VREESWIJK P.M., WATSON R. and WILLIAMS A.

Abstract (from CDS):

We search for signatures of planets in 43 intensively monitored microlensing events that were observed between 1995 and 1999. Planets would be expected to cause a short-duration (∼1 day) deviation on the smooth, symmetric light curve produced by a single lens. We find no such anomalies and infer that less than one-third of the ∼0.3 M☉ stars that typically comprise the lens population have Jupiter mass companions with semimajor axes in the range of 1.5 AU<a<4 AU. Since orbital periods of planets at these radii are 3-15 yr, the outer portion of this region is currently difficult to probe with any other technique.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Gravitational Lensing - Stars: Planetary Systems - Stars: Late-Type - Stars: Low-Mass, Brown Dwarfs - Techniques: Photometric

Simbad objects: 5

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Number of rows : 5
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 MACHO 97-BLG-41 ** 17 56 20.7 -28 47 42           ~ 58 1
3 MACHO 99-BLG-18 * 18 01 07.7 -28 31 41     16.7     ~ 2 0
4 OGLE BUL-SC10 454300 * 18 20 30.00 -21 57 04.7           ~ 5 0
5 OGLE 14 * ~ ~           ~ 13 0

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