2006MNRAS.369..846K

Query : 2006MNRAS.369..846K

2006MNRAS.369..846K - Mon. Not. R. Astron. Soc., 369, 846-852 (2006/June-3)

Near-infrared time-series photometry of six fields in the young open cluster IC 2391.

KOEN C. and ISHIHARA A.

Abstract (from CDS):

Fields containing targets of spectral types later than M5 were monitored in JHKs for about 7h each. None of the targets showed variability at levels exceeding 0.02 (or smaller, in some cases). Seven new variable stars were discovered serendipitously. The large number of measurements (more than 50) of each field allows the construction of accurate colour-magnitude and colour-colour diagrams. These could be used to identify a small number of candidate very cool objects.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): stars: low-mass, brown dwarfs - stars: variables: other

Nomenclature: Table 3: Cl* IC 2391 KI VN (Nos V1-V7). Table 4: Cl* IC 2391 KI CN (Nos C1-C7).

Simbad objects: 7

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Number of rows : 7
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 Cl* IC 2391 CTIO 61 * 08 38 47.0743548216 -52 14 56.400654552           M6 7 0
2 Cl* IC 2391 CTIO 62 * 08 38 47.2803484320 -52 44 32.641923840     20.84     M6.0 11 0
3 IC 2391 OpC 08 41 17.5 -53 03 00           ~ 871 0
4 Cl* IC 2391 CTIO 113 * 08 42 18.7160756352 -52 39 39.772631736     21.88     M7 9 0
5 Cl* IC 2391 PP 17 * 08 43 15.1304612040 -52 58 22.907000316     19.65     M5.5 18 0
6 Cl* IC 2391 CTIO 145 * 08 43 23.7565207440 -53 14 15.966954240           M6e 8 0
7 Cl* IC 2391 CTIO 160 * 08 44 02.1072893064 -52 44 10.724498592     21.05     M7 9 0

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