2006ApJ...639.1138S

Query : 2006ApJ...639.1138S

2006ApJ...639.1138S - Astrophys. J., 639, 1138-1146 (2006/March-2)

Formation and evolution of planetary systems (FEPS): primordial warm dust evolution from 3 to 30 myr around Sun-like stars.

SILVERSTONE M.D., MEYER M.R., MAMAJEK E.E., HINES D.C., HILLENBRAND L.A., NAJITA J., PASCUCCI I., BOUWMAN J., KIM J.S., CARPENTER J.M., STAUFFER J.R., BACKMAN D.E., MORO-MARTIN A., HENNING T., WOLF S., BROOKE T.Y. and PADGETT D.L.

Abstract (from CDS):

We present data obtained with the Infrared Array Camera (IRAC) aboard the Spitzer Space Telescope (Spitzer) for a sample of 74 young (t<30 Myr old) Sun-like (0.7<M*/M☉<1.5) stars. These are a subset of the observations that comprise the Spitzer Legacy science program entitled the Formation and Evolution of Planetary Systems (FEPS). Using IRAC, we study the fraction of young stars that exhibit 3.6-8.0 µm infrared emission in excess of that expected from the stellar photosphere, as a function of age from 3 to 30 Myr. The most straightforward interpretation of such excess emission is the presence of hot (300-1000 K) dust in the inner regions (<3 AU) of a circumstellar disk. Five out of the 74 young stars show a strong infrared excess, four of which have estimated ages of 3-10 Myr. While we detect excesses from five optically thick disks and photospheric emission from the remainder of our sample, we do not detect any excess emission from optically thin disks at these wavelengths. We compare our results with accretion disk fractions detected in previous studies and use the ensemble results to place additional constraints on the dissipation timescales for optically thick, primordial disks.

Abstract Copyright: ∼

Journal keyword(s): Infrared: Stars - Stars: Planetary Systems: Protoplanetary Disks - Stars: Formation - Stars: Pre-Main-Sequence

Simbad objects: 85

goto Full paper

goto View the references in ADS

Number of rows : 85
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 BD+17 232 ** 01 37 39.409920 +18 35 33.25920   11.062 9.891 9.386 8.381 K7e 58 0
2 RX J0331.1+0713 Y*? 03 31 08.3826064104 +07 13 24.872294784   11.52 10.58 10.54 9.570 K4Ve 20 0
3 HD 285281 TT* 04 00 31.0708723802 +19 35 20.911943915   11.34 10.167 9.74 9.011 K1 45 0
4 HD 285372 TT* 04 03 24.9515332104 +17 24 26.050752144   13.17 11.60 11.22   K3V: 43 0
5 V* V1299 Tau TT* 04 05 40.5850046784 +22 48 11.800275120   9.99 9.39     G3V: 55 0
6 HD 284266 TT* 04 15 22.9214409240 +20 44 16.917956484   11.20 10.51 10.12   K0V: 51 0
7 HD 279788 TT* 04 26 37.4025371112 +38 45 02.389581720   11.61 10.73 10.24   G5V 19 0
8 BD-15 808 TT* 04 32 43.5101790600 -15 20 11.350861080   11.28 10.588   9.724 G4V 24 0
9 RX J0434.3+0226 Y*O 04 34 19.5456458760 +02 26 26.157838344   13.450 12.415 12.216   K4e 22 0
10 CoKu Tau-Aur Star 4 TT* 04 41 16.8104181312 +28 40 00.073831728   16.40 14.68 14.59   M1.5e 187 0
11 BD+08 742 Em* 04 42 32.0876141016 +09 06 00.862082460   11.90 11.02     G5V: 32 0
12 HD 286179 TT* 04 57 00.6443930448 +15 17 53.000447676   10.99 10.39     G3V: 45 0
13 HD 286264 TT* 05 00 49.2839822400 +15 27 00.696781296   12.07 10.83 10.08 9.354 K2IV 46 1
14 V* AO Men PM* 06 18 28.2078302088 -72 02 41.447954904   11.06 9.809 9.299 8.456 K4Ve 153 0
15 NGC 2362 OpC 07 18 41.9 -24 57 08           ~ 428 0
16 NGC 2547 OpC 08 10 01.5 -49 12 08           ~ 445 0
17 CD-75 392 TT* 08 50 05.4486135048 -75 54 38.082436848   11.305 10.604 10.493 9.728 G9V 43 0
18 CPD-68 1388 Or* 10 57 49.3755342696 -69 13 59.950499520   11.34 10.310   9.163 K1V(e) 32 0
19 V* TW Hya TT* 11 01 51.9053285064 -34 42 17.033218380   11.94 10.50 10.626 9.18 K6Ve 2144 1
20 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1266 1
21 V* XX Cha Or* 11 11 39.6728641032 -76 20 15.032221548   16.67 15.28   12.56 M3Ve 137 1
22 CHX 18N TT* 11 11 46.3370290776 -76 20 08.948823324   13.27 11.96   10.37 K5IVe 93 1
23 CHX 18 X 11 11 49.8 -76 19 48           ~ 64 1
24 HD 104467 TT* 12 01 39.1168325928 -78 59 16.915311240   9.26 8.466   7.678 G3V(e) 62 0
25 CD-54 4621 Or* 12 12 35.7599042112 -55 20 27.293187660   11.44 10.498   9.328 K0Ve 41 0
26 CD-50 6815 Or* 12 14 34.0907023656 -51 10 12.505288980   11.20 10.275   9.167 G9V 42 0
27 HD 106772 * 12 17 26.9112030432 -80 35 06.827693568   9.40 8.54     G4III 22 0
28 NAME Lower Centaurus Crux As* 12 19 -57.1           ~ 565 1
29 HD 107441 Or* 12 21 16.4790326952 -53 17 44.968738236   10.02 9.350   8.566 G8IV 38 0
30 CD-52 5008 Or* 12 22 33.2330251464 -53 33 48.976329924   10.06 9.414   8.682 G2IV 29 0
31 CD-55 4588 Or* 12 23 40.1267493864 -56 16 32.549137392   11.67 10.755   9.060 K2V 30 0
32 V* V940 Cen Or* 12 47 51.8732023464 -51 26 38.207742864   10.33 9.52     G9IVe 47 0
33 CD-55 4799 Or* 12 48 48.1794504384 -56 35 37.820103936   11.04 10.393   9.482 G8IV 26 0
34 CPD-52 6110 Or* 13 01 50.6980984080 -53 04 58.162656612   11.98 11.08   10.154 K3V(e) 43 0
35 CD-52 5536 Or* 13 17 56.9395893960 -53 17 56.263075872   11.06 10.41   9.570 G5IV 14 0
36 HD 116099 Or* 13 22 04.4690952144 -45 03 23.174461008   10.71 10.02   9.03 G2IV 33 0
37 CPD-68 1894 TT* 13 22 07.5421944624 -69 38 12.219391716   11.38 10.393   9.117 K1Ve 203 0
38 HD 117524 Or* 13 31 53.6065402944 -51 13 33.260046672   10.60 9.892   8.984 G8V 51 0
39 CD-40 8031 Or* 13 37 57.2943420144 -41 34 41.898243792   10.93 10.006   9.040 K0IV 42 0
40 HD 119269 Or* 13 43 28.5307936104 -54 36 43.484804784   10.01 9.32     G3V 38 0
41 CD-48 8486 Or* 13 47 50.5516888656 -49 02 05.584959852   11.61 10.82     G9IVe 26 0
42 HD 120812 Or* 13 52 47.7896075064 -46 44 09.203459748   10.27 9.674   8.906 F8V 22 0
43 CD-41 8400 Or* 14 02 20.7268476600 -41 44 50.839574352   11.51 10.677   9.671 G9Ve 33 0
44 CD-46 9327 Or* 14 27 05.5556875152 -47 14 21.748559964   11.42 10.585   9.639 G9V 35 0
45 HD 126670 Or* 14 28 09.2968560360 -44 14 17.490215544   10.58 9.791   8.891 G8V 28 0
46 HD 128242 Y*O 14 37 04.222752 -41 45 02.94732   10.492 9.859 9.799 8.767 G2IV 17 0
47 CD-34 9963 Or* 14 50 25.8136658904 -35 06 48.579544512   11.59 10.671   9.568 K1Ve 24 0
48 CD-41 9236 Or* 14 52 41.9828809536 -41 41 55.246521084   12.05 11.146   9.894 K3IVe 23 0
49 CD-35 9918 Or* 14 57 19.6301534424 -36 12 27.442091808   11.12 10.268   9.368 G8V 28 0
50 CD-35 9931 TT* 14 58 37.6872422736 -35 40 30.394769052   11.92 10.75   9.85 K2.5IV 35 0
51 CD-43 9534 TT* 15 00 51.8936603520 -43 31 21.155318508   11.87 11.15   10.134 K0IV(e) 29 0
52 CD-47 9621 Or* 15 01 58.8193812528 -47 55 46.465918392   10.80 10.187   9.404 G4V 22 0
53 CD-34 10180 TT* 15 07 14.8172880480 -35 04 59.527866036 11.84 11.37 10.662 10.02 9.631 K0IVe 39 0
54 NAME Upper Centaurus Lupus MGr 15 24 -41.9           ~ 567 1
55 CD-39 10026 Or* 15 37 11.3009153880 -40 15 56.815280748   11.49 10.681   9.636 K2IVe 27 0
56 HD 139084 SB* 15 38 57.5566916952 -57 42 27.346084668   8.78 7.977   7.106 K0V 174 0
57 HD 139498 Y*O 15 39 24.41463 -27 10 22.0625   10.94 10.21     G8V 26 0
58 CD-26 10981 Or* 15 41 06.7900964808 -26 56 26.297161368   12.15 11.255 10.80 10.13 K1V 42 0
59 HD 140374 Or* 15 44 21.0522053304 -33 18 54.956917800   10.44 9.66     G8V 52 0
60 CD-41 10274 TT* 15 45 52.2379435876 -42 22 16.440808058   11.50 10.50   9.438 K3IVe 22 0
61 HD 141521 Or* 15 51 13.7316442152 -42 18 51.332321016   10.98 10.25     G8IV 50 0
62 V* NZ Lup BY* 15 53 27.2916958608 -42 16 00.710765508   8.48 7.975   7.213 G2 112 0
63 HD 142361 TT* 15 54 59.8695458688 -23 47 18.180029616   9.68 8.960   8.092 G3V 74 0
64 TYC 6191-552-1 TT* 15 58 47.7201616872 -17 57 59.699522340   13.34 12.09 11.68 10.41 K5 58 0
65 HD 143358 Or* 16 01 07.9270087608 -32 54 52.527198420   10.32 9.647   8.911 G1V 28 0
66 CD-22 11298 Or* 16 01 25.6301810064 -22 40 40.289030832   13.02 13.44     K1IV 75 0
67 ScoPMS 27 Or* 16 04 47.7531686256 -19 30 22.916271132   12.43 11.254   9.822 K3IVe 59 0
68 ASAS J160814-1908.7 Or* 16 08 14.7441391872 -19 08 32.688788424   13.01 11.403   9.962 K2 48 0
69 NAME Upper Sco Association As* 16 12 -23.4           ~ 1586 1
70 BD-18 4244 Or* 16 12 40.5144406080 -18 59 28.267620432   12.15 10.829   9.235 K0IV(e) 97 0
71 BD-21 4301 Or* 16 13 18.5815434312 -22 12 49.018896144   11.43 10.432   9.105 K1IV(e) 52 0
72 1RXS J161329.9-231122 TT* 16 13 29.2885211952 -23 11 07.577357064   12.5 11.660   10.231 K1 48 0
73 2MASS J16140211-2301021 TT* 16 14 02.1139873416 -23 01 02.188083216   12.2       G4 44 0
74 CD-22 11432 TT* 16 14 11.0697507472 -23 05 36.071480044   11.90 10.70   9.255 K2IV 86 0
75 CD-27 10866 TT* 16 14 59.1828176592 -27 50 22.940776140   12.09 11.205   10.052 K0IV(e) 56 0
76 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1497 1
77 CD-23 12815 TT* 16 16 17.9464840536 -23 39 47.541690900   11.42 10.685   9.525 G9IV 50 0
78 CD-37 12759 TT* 18 39 05.2883583096 -37 26 21.824393172   11.96 10.98     K1 26 0
79 CD-35 12836 TT* 18 41 48.5620563576 -35 25 43.665854160   10.59 9.85   8.963 G7V 25 0
80 WRAY 15-1880 TT* 18 42 57.9813628512 -35 32 42.826760736   12.91 11.77     K2 84 0
81 GSC 07419-00022 Or* 18 44 21.9261853368 -35 41 43.444975632     11.3     K5 17 0
82 IRAS 18489-3703 TT* 18 52 17.3013456504 -37 00 11.948920920   12.7 12.194   10.842 K7V 84 0
83 HD 174656 Y*O 18 53 05.977488 -36 10 22.76616   10.57 9.80 9.79 8.643 K0IV(e) 23 0
84 NAME CrA Complex reg 19 15 00.0 -37 30 00           ~ 118 1
85 CD-38 13398 TT* 19 17 23.8181700744 -37 56 50.448912972   11.02 10.074   8.913 K0IVe 24 0

To bookmark this query, right click on this link: simbad:objects in 2006ApJ...639.1138S and select 'bookmark this link' or equivalent in the popup menu