2017ApJ...848...97R

Query : 2017ApJ...848...97R

2017ApJ...848...97R - Astrophys. J., 848, 97-97 (2017/October-3)

Identification of young stellar variables with KELT for K2. I. Taurus dippers and rotators.

RODRIGUEZ J.E., ANSDELL M., OELKERS R.J., CARGILE P.A., GAIDOS E., CODY A.M., STEVENS D.J., SOMERS G., JAMES D., BEATTY T.G., SIVERD R.J., LUND M.B., KUHN R.B., GAUDI B.S., PEPPER J. and STASSUN K.G.

Abstract (from CDS):

One of the most well-studied young stellar associations, Taurus-Auriga, was observed by the extended Kepler mission, K2, in the spring of 2017. K2 Campaign 13 (C13) is a unique opportunity to study many stars in this young association at high photometric precision and cadence. Using observations from the Kilodegree Extremely Little Telescope (KELT) survey, we identify "dippers," aperiodic and periodic variables among K2 C13 target stars. This release of the KELT data (light curve data in e-tables) provides the community with long-time baseline observations to assist in the understanding of the more exotic variables in the association. Transient-like phenomena on timescales of months to years are known characteristics in the light curves of young stellar objects, making contextual pre- and post-K2 observations critical to understanding their underlying processes. We are providing a comprehensive set of the KELT light curves for known Taurus-Auriga stars in K2 C13. The combined data sets from K2 and KELT should permit a broad array of investigations related to star formation, stellar variability, and protoplanetary environments.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): circumstellar matter - protoplanetary disks - stars: pre-main sequence - stars: variables: T Tauri, Herbig Ae/Be - stars: variables: T Tauri, Herbig Ae/Be

VizieR on-line data: <Available at CDS (J/ApJ/848/97): table1.dat table2.dat table3.dat lcs/*>

Simbad objects: 63

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Number of rows : 63
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 284418 * 04 22 29.0908983456 +19 22 29.727904260   11.55 11.06     G5 17 0
2 V* DF Tau TT* 04 27 02.7932020080 +25 42 22.453341516 11.97 12.25 11.42 10.31 9.14 M3Ve 528 1
3 2MASS J04274793+2430121 TT? 04 27 47.9332706808 +24 30 12.119774904           ~ 2 0
4 TYC 1833-575-1 * 04 29 42.3026563680 +26 08 41.744507460   12.47 11.76 11.39   F5 6 0
5 V* IQ Tau Or* 04 29 51.5569574040 +26 06 44.859710736 15.43   13.80 12.28 11.11 M0.5 281 0
6 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1453 0
7 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
8 V* FX Tau Or* 04 30 29.618064 +24 26 45.02724   15.18 13.61 13.21   M4 166 0
9 UCAC4 581-011933 * 04 30 32.9263787640 +26 02 44.150599572 14.91 14.344   13.193   ~ 7 0
10 UCAC4 573-011580 * 04 30 41.5510865808 +24 30 41.624172972   14.427 13.211 13.004   ~ 6 0
11 V* DK Tau Or* 04 30 44.243376 +26 01 24.65328 13.32 14.59 13.05 12.08   K7e+K7e 350 0
12 V* ZZ Tau Or* 04 30 51.3867375744 +24 42 22.335046020     12.90 13.97   M2.5V+M3.5V 160 0
13 NAME ZZ Tau IRS TT* 04 30 51.7208688432 +24 41 47.456566332     17.1     M5IVe 71 0
14 HD 284496 TT* 04 31 16.8584671848 +21 50 25.246186044   11.59 10.795 10.36 9.837 G0 46 0
15 HD 283707 V* 04 31 49.6443609360 +25 53 06.724570920   10.28 9.78     G0 22 0
16 2MASS J04321786+2422149 LM* 04 32 17.8715808504 +24 22 14.900628972     18.2 16.63 14.12 M6.5 62 0
17 V* V928 Tau Or* 04 32 18.8875357800 +24 22 26.686742088 17.65 15.978 14.101 13.704   M0.5 105 0
18 V* UZ Tau B TT* 04 32 42.8118779016 +25 52 31.198173600   14.07 12.72 13.35   M1/3Ve 158 0
19 V* UZ Tau Or* 04 32 43.02172 +25 52 30.9038           M4Ve+M1/3Ve 323 0
20 V* UZ Tau A TT* 04 32 43.0720716552 +25 52 31.013712120       13.15   M2.0e+M3.0e 148 0
21 V* V807 Tau Or* 04 33 06.6358574736 +24 09 54.977968116   12.10 11.21 11.18   K7 168 2
22 V* V830 Tau TT* 04 33 10.0300557048 +24 33 43.255480860   13.91 12.08 11.30   M0-1 238 1
23 HD 28819 * 04 33 28.8841397304 +24 16 45.526238976 12.51 8.08 7.8     F0 36 0
24 V* GI Tau Or* 04 33 34.0609697160 +24 21 17.068989852 14.34   13.70 12.15 11.06 K5Ve 307 1
25 V* GK Tau Or* 04 33 34.5630097872 +24 21 05.855136732 15.50   13.00 12.02 10.62 K7:Ve 338 0
26 V* CI Tau Or* 04 33 52.0143963264 +22 50 30.094090908 14.97 15.09 13.80     K4IVe 422 1
27 V* IT Tau TT* 04 33 54.70128 +26 13 27.5232   16.76 14.63     K6.0 105 0
28 UCAC4 573-011636 * 04 33 55.6247123520 +24 25 01.613118252 17.30 15.734 14.054 13.628   ~ 9 0
29 2MASS J04340717+2251227 * 04 34 07.1753567544 +22 51 22.567787676           ~ 4 0
30 GSC 01833-00808 * 04 34 29.6035006920 +24 23 42.060334524   14 13     F9 5 0
31 HD 28975 * 04 34 50.1719512104 +24 14 40.277039064   9.70 9.0     A2 46 0
32 V* AA Tau Or* 04 34 55.4201902392 +24 28 53.033624580 13.14 13.34 12.20 12.03   K5Ve 801 0
33 V* FF Tau Or* 04 35 20.9046544728 +22 54 24.233506092 17.57 15.73       K7 91 1
34 2MASS J04352474+2426218 * 04 35 24.7458268416 +24 26 21.782942196           ~ 2 0
35 V* DN Tau Or* 04 35 27.3776226144 +24 14 58.910343720 13.56 12.88 11.50 11.79   M1:Ve 448 0
36 V* HQ Tau Or* 04 35 47.3357318616 +22 50 21.686966484 15.01 14.15 12.02 11.18   K0 129 0
37 V* HP Tau Or* 04 35 52.7819078592 +22 54 23.156947512 17.39 14.9 14.90     K2-5e 243 1
38 CoKu HP Tau G3 Or* 04 35 53.4988337112 +22 54 09.005027328 18.21   14.8     M0.6 79 0
39 CoKu HP Tau G2 Or* 04 35 54.1535049648 +22 54 13.426506072 13.63 12.31 11.158 10.14 9.172 G2e 138 0
40 RX J0437.4+1851A TT* 04 37 26.8711516200 +18 51 26.718203844       11.58 9.915 K6e 21 0
41 V* V1325 Tau TT* 04 38 13.0523414917 +20 22 46.839665447   13.33 12.22 11.81   K2 30 0
42 V* V1117 Tau TT* 04 38 15.6143744976 +23 02 27.544142652   15.26 13.76 13.41   M1 41 0
43 V* DO Tau Or* 04 38 28.5880527336 +26 10 49.467596196 12.78 13.44 12.30 13.01   M1Ve 413 1
44 V* VY Tau Or* 04 39 17.4194063616 +22 47 53.348542332     9.00     M0Ve 205 0
45 EM* LkCa 15 Or* 04 39 17.7911622816 +22 21 03.390090984   13.01 12.03 11.61   K5:Ve 792 1
46 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
47 V* IW Tau Or* 04 41 04.7179844751 +24 51 06.034940625   14.25 12.595 11.65 10.504 K7Ve 129 0
48 V* V1328 Tau TT* 04 41 23.9948358936 +27 15 12.468646008   14.05 13.11     G8 19 0
49 HD 283809 * 04 41 24.7252471464 +25 54 48.396346380 12.64 12.0 10.7     B3V 52 0
50 HD 283798 TT* 04 41 55.1542944840 +26 58 49.419533856   10.21 9.55     G2 55 0
51 V* V999 Tau Or* 04 42 05.4915414000 +25 22 56.286176484 18.68 15.1 14.7     M0.6 95 0
52 V* V1000 Tau Or* 04 42 07.3303627320 +25 23 02.932953612 19.09 16.1 15.01     M2.5 88 0
53 EM* LkHA 332 Or* 04 42 07.7851647456 +25 23 11.886259920 17.90 16.51       K7+M2.5 164 1
54 V* V1333 Tau TT* 04 44 26.8992878928 +19 52 16.248831024   13.94 12.55     M1 20 0
55 HD 283782 TT* 04 44 54.4590108624 +27 17 45.223813068   10.69 9.80 9.47   K1e 42 0
56 2MASS J04464475+2224508 TT? 04 46 44.7511363728 +22 24 50.823628164           ~ 4 0
57 V* V1335 Tau TT* 04 46 53.2715281680 +22 55 12.932890680     12.94     M1e 24 0
58 V* V1341 Tau TT* 04 50 00.1930583400 +22 29 57.504414912   12.19 11.285   10.172 K1 33 0
59 2MASS J04504608+2126535 TT? 04 50 46.0841252280 +21 26 53.563258140           ~ 5 0
60 V* UX Ori Ae* 05 04 29.9878898040 -03 47 14.286732072 10.25 10.93 8.70 9.62 9.43 A4IVe 379 1
61 2MASS J05080709+2427123 Y*? 05 08 07.0996566336 +24 27 12.314045592           M4 15 0
62 NAME Upper Sco Association As* 16 12 -23.4           ~ 1586 1
63 NAME rho Oph Cluster Cl* 16 26 22 -24 23.7           ~ 73 0

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