2001MNRAS.327..601E

Query : 2001MNRAS.327..601E

2001MNRAS.327..601E - Mon. Not. R. Astron. Soc., 327, 601-609 (2001/October-3)

Photometric detection of high proper motions in dense stellar fields using difference image analysis.

EYER L. and WOZNIAK P.R.

Abstract (from CDS):

The difference image analysis (DIA) of the images obtained by the Optical Gravitational Lensing Experiment (OGLE-II) revealed a peculiar artefact in the sample of stars proposed as variable by Wozniak in one of the Galactic bulge fields: the occurrence of pairs of candidate variables showing anti-correlated light curves monotonic over a period of 3yr. This effect can be understood, quantified and related to the stellar proper motions. DIA photometry supplemented with a simple model offers an effective and easy way to detect high proper motion stars in very dense stellar fields, where conventional astrometric searches are extremely inefficient.

Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): methods: data analysis - techniques: photometric - astrometry - stars: variables: other

VizieR on-line data: <Available at CDS (J/MNRAS/327/601): table1.dat>

Simbad objects: 76

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Number of rows : 76
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
3 OGLEII DIA BUL-SC1 384 * 18 02 00.94 -30 21 12.6           ~ 1 0
4 2MASS J18020300-3013317 * 18 02 03.0040834080 -30 13 31.759167936           ~ 1 0
5 2MASS J18020466-2959162 * 18 02 04.6745145960 -29 59 16.065381804           ~ 1 0
6 2MASS J18020543-3022124 * 18 02 05.4379252200 -30 22 12.464553000           ~ 1 0
7 2MASS J18020662-3019217 * 18 02 06.6281797824 -30 19 21.792918900           ~ 1 0
8 OGLEII DIA BUL-SC1 3951 * 18 02 07.51 -29 36 34.4           ~ 1 0
9 OGLEII DIA BUL-SC1 1593 * 18 02 08.53 -30 05 23.1           ~ 1 0
10 2MASS J18020945-3003344 * 18 02 09.4552553904 -30 03 34.399916244           ~ 1 0
11 2MASS J18021134-3020540 * 18 02 11.3528628408 -30 20 54.010529016           ~ 1 0
12 2MASS J18021157-2940427 * 18 02 11.5819859784 -29 40 42.703623480           ~ 1 0
13 OGLEII DIA BUL-SC1 3750 * 18 02 11.69 -29 40 00.8           ~ 1 0
14 2MASS J18021286-3012144 * 18 02 12.8550984984 -30 12 14.414087988           ~ 1 0
15 OGLEII DIA BUL-SC1 3678 * 18 02 13.00 -29 40 11.9           ~ 1 0
16 2MASS J18021302-3020559 * 18 02 13.0269502368 -30 20 55.927823244           ~ 1 0
17 OGLEII DIA BUL-SC1 3743 PM* 18 02 13.6417301640 -29 39 18.369906984           ~ 1 0
18 2MASS J18021378-2942049 * 18 02 13.7819436096 -29 42 04.870066032           ~ 1 0
19 2MASS J18021409-3019405 * 18 02 14.10 -30 19 40.6           ~ 1 0
20 2MASS J18021486-2958533 * 18 02 14.8651371432 -29 58 53.297371200           ~ 1 0
21 2MASS J18021534-3020382 * 18 02 15.3512366232 -30 20 38.199988932           ~ 1 0
22 OGLEII DIA BUL-SC1 1411 * 18 02 18.69 -30 07 24.1           ~ 1 0
23 OGLEII DIA BUL-SC1 3813 * 18 02 19.07 -29 38 32.9           ~ 1 0
24 OGLEII DIA BUL-SC1 805 * 18 02 19.13 -30 15 25.0           ~ 1 0
25 2MASS J18021990-3019548 PM* 18 02 19.8956793390 -30 19 54.798924764           ~ 2 0
26 2MASS J18022002-2951375 * 18 02 20.0322250512 -29 51 37.555570584           ~ 1 0
27 2MASS J18022155-3001273 * 18 02 21.5519277672 -30 01 27.287905548           ~ 1 0
28 2MASS J18022173-3017185 * 18 02 21.7352768616 -30 17 18.501672984           ~ 1 0
29 2MASS J18022218-2937387 * 18 02 22.1911524168 -29 37 38.109026172           ~ 1 0
30 OGLEII DIA BUL-SC1 2526 * 18 02 22.84 -29 54 06.9           ~ 1 0
31 2MASS J18022329-2944308 * 18 02 23.3096672112 -29 44 30.849696708           ~ 1 0
32 2MASS J18022390-2933353 * 18 02 23.8660898616 -29 33 35.184559644           ~ 1 0
33 OGLEII DIA BUL-SC1 172 * 18 02 24.59 -30 23 22.4           ~ 1 0
34 2MASS J18022515-3008313 * 18 02 25.16 -30 08 31.4           ~ 1 0
35 OGLE BLG-LPV-187065 LP* 18 02 25.2644566320 -30 25 09.473868768     15.002   14.134 ~ 2 0
36 OGLEII DIA BUL-SC1 110 * 18 02 25.70 -30 24 25.1           ~ 1 0
37 2MASS J18022598-3006019 * 18 02 25.99 -30 06 01.9           ~ 1 0
38 2MASS J18022815-2958018 * 18 02 28.1551939248 -29 58 01.893500796           ~ 1 0
39 2MASS J18022938-2944115 * 18 02 29.3797657824 -29 44 11.627859228           ~ 1 0
40 2MASS J18023105-2936320 * 18 02 31.0574451864 -29 36 32.047042932           ~ 1 0
41 OGLE BLG-LPV-187832 LP* 18 02 31.3090122936 -30 04 37.076976300     16.398   12.771 ~ 2 0
42 UCAC4 301-174428 * 18 02 31.4651768928 -29 55 26.937927372       15.86   ~ 1 0
43 OGLEII DIA BUL-SC1 2247 * 18 02 33.9583198800 -29 57 07.755397308           ~ 1 0
44 2MASS J18023452-3015370 * 18 02 34.53 -30 15 37.1           ~ 1 0
45 UCAC4 301-174644 * 18 02 34.7706658944 -29 52 38.743650264       14.65   ~ 1 0
46 OGLEII DIA BUL-SC1 3388 * 18 02 34.95 -29 43 46.8           ~ 1 0
47 OGLEII DIA BUL-SC1 198 * 18 02 34.98 -30 23 49.6           ~ 1 0
48 2MASS J18023507-3013115 * 18 02 35.0793713760 -30 13 11.700378192           ~ 1 0
49 UCAC4 301-174808 * 18 02 37.6086857784 -29 49 51.662994600       14.97   ~ 1 0
50 2MASS J18023811-2948427 * 18 02 38.1202979184 -29 48 42.774388416           ~ 1 0
51 2MASS J18023866-3024407 * 18 02 38.6615386632 -30 24 40.766400000           ~ 1 0
52 OGLE BLG-LPV-188930 LP* 18 02 40.4301147432 -30 17 59.063315676     16.055   13.018 ~ 3 0
53 OGLEII DIA BUL-SC1 3455 * 18 02 41.66 -29 43 13.5           ~ 1 0
54 2MASS J18024179-3003045 * 18 02 41.7996248112 -30 03 04.520112552           ~ 1 0
55 OGLEII DIA BUL-SC1 821 * 18 02 44.46 -30 16 04.6           ~ 1 0
56 OGLEII DIA BUL-SC1 1108 * 18 02 45.14 -30 12 02.4           ~ 1 0
57 UCAC4 301-175351 * 18 02 46.2518933256 -29 57 27.712077912       13.89   ~ 1 0
58 OGLEII DIA BUL-SC1 4306 * 18 02 47.36 -29 33 02.5           ~ 1 0
59 2MASS J18024775-3016425 * 18 02 47.7527246496 -30 16 42.513381264           ~ 1 0
60 UCAC4 300-170881 * 18 02 49.9237805592 -30 01 06.665974680       14.00   ~ 1 0
61 2MASS J18025131-3018290 * 18 02 51.32 -30 18 29.0           ~ 1 0
62 OGLE BLG-LPV-190233 LP* 18 02 52.52 -30 18 24.4     15.038   12.604 ~ 2 0
63 2MASS J18025362-2935516 * 18 02 53.6245699416 -29 35 51.762252372           ~ 1 0
64 2MASS J18025388-3018017 * 18 02 53.8819487064 -30 18 01.859215176           ~ 1 0
65 2MASS J18025491-3022005 * 18 02 54.9152561928 -30 22 00.609370644           ~ 1 0
66 2MASS J18025550-3008514 PM* 18 02 55.5068540496 -30 08 51.623255436           ~ 1 0
67 OGLEII DIA BUL-SC1 1203 PM* 18 02 58.6160261232 -30 11 32.773973244           ~ 1 0
68 2MASS J18025951-3014582 * 18 02 59.5273478760 -30 14 58.445906820           ~ 1 0
69 OGLEII DIA BUL-SC1 1873 * 18 02 59.6092220952 -30 02 48.408777456           ~ 1 0
70 2MASS J18025972-2938310 * 18 02 59.7262908576 -29 38 31.036794792           ~ 1 0
71 2MASS J18030124-2931535 * 18 03 01.2452104872 -29 31 53.487746364           ~ 1 0
72 2MASS J18030241-3016116 * 18 03 02.41 -30 16 11.6           ~ 1 0
73 UCAC4 301-176683 * 18 03 04.0247702256 -29 52 43.041589968       15.20   ~ 1 0
74 OGLEII DIA BUL-SC1 1880 * 18 03 04.1299538328 -30 02 58.976975868           ~ 1 0
75 2MASS J18030420-2937185 * 18 03 04.2011329176 -29 37 18.438592836           ~ 1 0
76 NAME Local Group GrG ~ ~           ~ 9325 0

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