2008ApJ...687L..37K

Query : 2008ApJ...687L..37K

2008ApJ...687L..37K - Astrophys. J., 687, L37-L40 (2008/November-1)

Dusty cometary globules in W5.

KOENIG X.P., ALLEN L.E., KENYON S.J., SU K.Y.L. and BALOG Z.

Abstract (from CDS):

We report the discovery of four dusty cometary tails around low-mass stars in two young clusters belonging to the W5 star-forming region. Fits to the observed emission profiles from 24 µm observations with the Spitzer Space Telescope give tail lifetimes < 30 Myr, but more likely ≲ 5 Myr. This result suggests that the cometary phase is a short lived phenomenon, occurring after photoevaporation by a nearby O star has removed gas from the outer disk of a young low-mass star.

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Journal keyword(s): Stars: Circumstellar Matter - Infrared: Stars - Stars: Pre-Main-Sequence - Stars: Winds, Outflows

Nomenclature: Fig.2, Table 1: [KAK2008] A (Nos A-D).

Simbad objects: 13

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Number of rows : 13
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 HD 17505 ** 02 51 07.97514 +60 25 03.8720 6.83 7.47 7.07     O6.5III((f))n+O8V 196 0
2 [KAK2008] C CGb 02 51 10.490 +60 25 07.15           ~ 1 1
3 [KAK2008] B CGb 02 51 13.530 +60 25 02.36           ~ 1 1
4 HD 17520 ** 02 51 14.4527711976 +60 23 10.057239852 7.86 8.54 8.24 7.96 7.73 O9.2Ve+O8Vz 142 0
5 [KAK2008] A CGb 02 51 15.170 +60 24 20.31           ~ 1 1
6 IC 1848 OpC 02 51 25.2 +60 25 08   6.87 6.5     ~ 491 2
7 [KAK2008] D CGb 02 59 20.910 +60 34 14.82           ~ 1 1
8 HD 18326 ** 02 59 23.1709737312 +60 33 59.519691216 9.211 8.21 7.94     O6.5V((f))z+O9/B0V: 131 0
9 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1621 1
10 NGC 2244 OpC 06 32 10.8 +04 54 50           ~ 634 1
11 NGC 2264 OpC 06 40 52.1 +09 52 37           ~ 1793 0
12 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0Va 2687 1
13 IC 1396 OpC 21 38 58.8 +57 30 50           ~ 496 1

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