2009A&A...502..239Z


C.D.S. - SIMBAD4 rel 1.7 - 2020.12.03CET18:40:57

2009A&A...502..239Z - Astronomy and Astrophysics, volume 502, 239-252 (2009/7-4)

MOST observations of the young open cluster NGC 2264.

ZWINTZ K., HARETER M., KUSCHNIG R., AMADO P.J., NESVACIL N., RODRIGUEZ E., DIAZ-FRAILE D., WEISS W.W., PRIBULLA T., GUENTHER D.B., MATTHEWS J.M., MOFFAT A.F.J., RUCINSKI S.M., SASSELOV D. and WALKER G.A.H.

Abstract (from CDS):

Photometric time series obtained from space are one of the best ways to study pulsations in pre-main sequence (PMS) stars, especially as the corresponding amplitudes are at the millimagnitude level or below. We present high-precision time-series photometry of stars in the field of NGC2264 obtained with the MOST (Microvariability & Oscillations of STars) satellite. A search for pulsating A and F type members of NGC2264 with ultra-precise MOST photometry was conducted. 68 stars in the field of NGC2264 were observed simultaneously with the MOST satellite, 34 of which were previously identified as potential targets to search for PMS pulsation. The routines SigSpec and Period04 were used for the frequency analysis. We discovered pulsation in 4 potential A and F type PMS members of NGC2264 with frequencies between 2.7h and 23min. For one of the PMS pulsators identified with MOST after the first days of observation, simultaneous ground-based Stroemgren photometry was obtained with the OSN 0.9 m telescope and confirms the highest frequency identified in the MOST photometry. 26 stars with other (i.e., hotter and cooler) spectral types show clear variability: SPB and γ Doradus pulsation, red giant oscillations, eclipsing binaries and variability caused by rotational modulation.

Abstract Copyright:

Journal keyword(s): stars: pre-main sequence - open clusters and associations: individual: NGC 2264 - δ Sct - techniques: photometric

Simbad objects: 72

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Number of rows : 72

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME Mon I MoC 06 35 +10.1           ~ 219 0
2 HD 261054 Em* 06 38 09.1694348771 +09 29 05.236661297   10.04 9.78     O/B2 10 0
3 [K72c] 258 * 06 38 31.1433357886 +09 38 29.538803231     11.9     A2/3 5 0
4 HD 261230 * 06 38 47.1630435119 +09 28 25.096627312   9.66 9.45     F0/2 9 0
5 V* V588 Mon dS* 06 39 05.9034782739 +09 41 03.436577731   9.93 9.75     A5/7 52 0
6 TYC 746-1829-1 * 06 39 08.0777632404 +09 16 32.869799055   12.91 10.95     F0: 2 0
7 HD 261355 * 06 39 09.5995849200 +09 31 46.401969901   8.57 8.23     A5/7 14 0
8 HD 47469 * 06 39 11.173008 +09 38 45.45312   9.10 9.09 8.75   O/B2 23 0
9 HD 261387 * 06 39 20.7853285573 +09 33 50.938327056   10.90 10.87     A2/3 9 0
10 V* V589 Mon dS* 06 39 28.4638678350 +09 42 03.963430050   10.6 10.3     F0/2 57 0
11 HD 47554 * 06 39 35.4488406631 +09 45 08.874072364   8.16 7.86     F2V 22 0
12 HD 261585 * 06 39 52.8593212476 +09 28 07.470870936   11.2 11.0     A0/1 20 0
13 HD 261586 * 06 39 53.5868436422 +09 22 13.939707001   10.63 10.4     ~ 21 0
14 NGC 2264 33 * 06 39 55.7615374030 +09 34 28.373308027 16.988 14.12 11.67 10.83 8.870 M1 19 0
15 HD 261658 * 06 40 03.9930361105 +09 22 42.983609071   10.52 10.3     A0/1 14 0
16 HD 261657 * 06 40 04.8286189559 +09 34 46.668522955 10.95 10.91 10.88 10.94 10.95 A0/1 29 0
17 Cl* NGC 2264 VAS 20 Y*O 06 40 05.6546445091 +09 35 49.334896532 11.904   11.250   10.539 F5V 23 0
18 HD 261683 * 06 40 07.3431890515 +09 18 01.713815335   9.56 8.13     K5III 15 0
19 HD 261711 * 06 40 16.1932730425 +09 17 13.100417359   11.44 11.3     A2/3 18 0
20 HD 261737 * 06 40 21.4672340516 +09 41 50.569616091 10.895 10.8 10.6 10.418 10.289 A2/3 30 0
21 HD 261736 Y*O 06 40 24.7558 +09 46 08.222 9.53 9.40 9.19 9.038 8.787 A5/7 45 0
22 V* V641 Mon El* 06 40 28.5860974054 +09 49 04.276397250 7.257 7.98 8.10 8.147 8.165 B1.5IV+(B2V) 92 0
23 NGC 2264 70 * 06 40 37.1946374432 +09 26 51.305419131   11.63 11.25     G3 19 0
24 LS VI +09 13 Y*O 06 40 37.2570487561 +09 47 29.771911125 11.119 11.41 10.83 10.294 9.579 B1V 50 0
25 HD 261783 * 06 40 37.3305226129 +09 35 42.668243136 11.184 9.74 8.28   8.163 K3II-III 28 0
26 NGC 2264 68 TT* 06 40 37.4910058589 +09 54 57.888165555 12.466 12.38 11.745 11.336 10.969 G0 38 0
27 V* V684 Mon Al* 06 40 38.3663469184 +09 47 16.045993085 7.71 8.31 8.44 8.492 8.516 B4 68 0
28 HD 261782 Y*O 06 40 38.4203149535 +09 57 45.514515891 10.689 10.16 9.31 8.884 8.478 K1III 29 0
29 NGC 2264 84 TT* 06 40 42.1819909416 +09 33 37.422800532 12.575 12.57 12.01 11.74 11.33 G0 61 0
30 HD 47777 pr* 06 40 42.2936237328 +09 39 21.316362070 6.95 7.79 7.93   7.721 B3V 99 0
31 HD 261810 pr* 06 40 43.2268081280 +09 46 01.718968696 8.26 8.92 9.02 9.045 9.039 B1 55 0
32 HD 261809 * 06 40 43.2962956174 +10 08 30.556381565   11.2 10.8     A0/1 14 0
33 V* V642 Mon TT* 06 40 46.0827536905 +09 49 17.318155831 13.090 12.54 11.835 11.259 10.767 K1 44 1
34 NGC 2264 99 * 06 40 48.1768674573 +09 24 11.805003043   11.3 11.0 10.64 10.39 F5/7? 17 0
35 HD 261842 ** 06 40 48.48 +09 22 00.6           F3V 15 0
36 HD 261841 Y*O 06 40 48.8872256361 +09 51 44.406260666 10.263 10.11 9.98 9.912 9.758 B8IV-Ve 41 0
37 NGC 2264 104 * 06 40 49.5382467104 +09 53 23.008493061 11.828 11.61 11.36 11.254 11.075 A5IV 28 0
38 HD 48012 Pu* 06 40 51.1607566319 +10 01 43.849361292 8.31 8.75 8.81   8.820 B6/9 36 0
39 NGC 2264 108 TT* 06 40 51.1854909871 +09 44 46.107334185 12.684 12.42 12.004 11.661 11.35 F8V 63 0
40 HD 261878 * 06 40 51.5561533288 +09 51 49.385654931 8.42 8.98 9.08 9.149 9.191 B6V 55 0
41 HD 261879 * 06 40 51.8440512361 +09 39 07.474974285 10.661 10.77 10.77   10.768 A0/1 26 0
42 NGC 2264 116 TT* 06 40 53.7702733078 +09 30 38.976673734 12.193 12.27 11.633 11.45 11.002 F7V 32 0
43 NGC 2264 OpC 06 40 58 +09 53.7     3.9     ~ 1606 1
44 HD 261902 pr* 06 40 58.5127159880 +09 33 31.728232062 9.88 10.20 10.23   10.174 B8 39 0
45 BD+10 1222 Y*O 06 41 00.0332978917 +09 52 17.874446998 9.42 9.82 9.88 9.932 9.929 A1V 40 0
46 HD 261904 Y*O 06 41 00.6866630013 +09 24 11.908313569   10.38 10.3     A0/1 36 0
47 NGC 2264 145 Y*O 06 41 01.5552209283 +09 28 13.069963546   10.68 10.64 10.67 10.56 A0 27 0
48 HD 261938 Y*O 06 41 01.8782254007 +09 52 48.050098005 8.32 8.90 8.97 9.067 9.084 B3V 35 0
49 HD 261903 pr* 06 41 02.8835118094 +09 27 23.470300465 8.65 9.03 9.10     B8Vn 30 0
50 HD 261940 * 06 41 04.1125018407 +09 33 01.885616436 9.65 10.00 10.06   10.060 B6/9 33 0
51 HD 261937 Y*O 06 41 04.5663038695 +09 54 43.857972507 10.918 10.71 10.36 10.115 9.857 kA2hA2mA5V 42 0
52 HD 261939 TT* 06 41 04.7076890757 +09 36 26.704896309 11.008 11.03 10.96 10.98 10.815 B8 41 0
53 HD 261941 TT* 06 41 05.8757559843 +09 22 55.631210497   11.08 10.94     A2/3 40 0
54 HD 47887 pr* 06 41 09.5990835362 +09 27 57.540646250 6.01 6.96 7.14   7.40 B2III: 101 0
55 HD 261969 Y*O 06 41 10.3828422990 +09 53 01.834850459 9.76 9.96 9.95 9.914 9.863 B9IV 42 0
56 HD 262013 Y*O 06 41 12.9354099831 +09 35 49.921624146 8.75 9.15 9.21   9.229 ~ 47 0
57 HD 262014 Y*O 06 41 15.3017286495 +09 31 16.325753156 10.153 10.07 9.95   9.513 A7 27 0
58 NGC 2264 196 * 06 41 17.0088042904 +09 57 12.001855941 12.074 11.98 11.45   10.874 F5/7 16 0
59 HD 262041 Y*O 06 41 20.9860551083 +09 22 17.495088838   11.0 10.7     F0/2 15 0
60 HD 47934 mul 06 41 22.039344 +09 43 51.63204 8.19 8.62 8.70 9.03 8.632 B6 52 0
61 NGC 2264 209 Y*O 06 41 23.7851538747 +09 33 56.523920264 11.702 11.697 11.316 11.13 10.866 F0/2 32 0
62 HD 47961 pr* 06 41 27.3047593217 +09 51 14.412589563 6.57 7.33 7.47   7.614 B2.5V 73 0
63 HD 262066 ** 06 41 30.09960 +09 49 47.1216           A2 29 0
64 HD 262110 pr* 06 41 32.9186497528 +09 19 03.588769650   10.21 9.96   9.28 F0/2 19 0
65 HD 262108 * 06 41 34.6122348287 +09 51 37.920393314 10.177 10.1 10.0   9.701 A2/3 28 0
66 NGC 2264 224 * 06 41 37.1492858480 +09 20 59.914939692   11.79 11.43     F5V 23 0
67 HD 262109 * 06 41 37.4890837803 +09 43 40.057363987 11.326 11.22 10.85   10.489 F0/2 15 0
68 HD 262138 * 06 41 42.0646231091 +09 47 36.089715204 9.926 9.77 9.52   9.472 A2/3 20 0
69 NGC 2264 228 * 06 41 43.0285159929 +09 43 32.502170362 11.538 11.42 11.07   10.679 F0/2 20 0
70 HD 48055 V* 06 41 49.7113943363 +09 30 29.362626805 8.17 8.83 8.96   9.033 B3V 51 0
71 * eps Oph PM* 16 18 19.2897431 -04 41 33.034466 4.95 4.21 3.23 2.54 2.05 G9.5IIIbFe-0.5 226 0
72 NGC 6383 OpC 17 34 48 -32 34.0   5.56 5.5     ~ 139 0

    Equat.    Gal    SGal    Ecl

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2020.12.03-18:40:57

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