2013ApJ...774...88K

Query : 2013ApJ...774...88K

2013ApJ...774...88K - Astrophys. J., 774, 88 (2013/September-1)

Moving objects in the Hubble Ultra Deep Field.

KILIC M., GIANNINAS A. and VON HIPPEL T.

Abstract (from CDS):

We identify proper motion objects in the Hubble Ultra Deep Field (UDF) using the optical data from the original UDF program in 2004 and the near-infrared data from the 128 orbit UDF 2012 campaign. There are 12 sources brighter than I = 27 mag that display >3σ significant proper motions. We do not find any proper motion objects fainter than this magnitude limit. Combining optical and near-infrared photometry, we model the spectral energy distribution of each point-source using stellar templates and state-of-the-art white dwarf models. For I ≤ 27 mag, we identify 23 stars with K0-M6 spectral types and two faint blue objects that are clearly old, thick disk white dwarfs. We measure a thick disk white dwarf space density of 0.1-1.7x10–3/pc3 from these two objects. There are no halo white dwarfs in the UDF down to I = 27 mag. Combining the Hubble Deep Field North, South, and the UDF data, we do not see any evidence for dark matter in the form of faint halo white dwarfs, and the observed population of white dwarfs can be explained with the standard Galactic models.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: halo - Galaxy: stellar content - Galaxy: structure - proper motions - stars: Population II - white dwarfs

Simbad objects: 51

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Number of rows : 51
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 UDF 5317 G 03 32 30.172 -27 47 25.67   28.8048 28.559     ~ 4 0
2 EIS-DEEP CDFS-2 Ks 1 1828 WD? 03 32 31.7490423192 -27 46 58.545334992 22.8953 20.5545 19.63 18.89 18.8044 ~ 18 0
3 JADES-GS NC 115391 EmG 03 32 32.378 -27 47 40.01   26.8840 26.797     ~ 8 0
4 UDF 1343 G 03 32 33.554 -27 48 36.10   27.4192 27.600     ~ 5 0
5 UDF 6442 * 03 32 33.991 -27 47 08.43 28.1477 28.0170 28.347     ~ 4 0
6 UDF 6620 G 03 32 34.283 -27 47 05.78   30.0881 28.08     ~ 8 0
7 [PBM2009] s70032 * 03 32 35.059 -27 48 44.37   25.0998 23.081 22.41 20.86 M3.9 17 1
8 EIS-DEEP CDFS-2 J 1 734 G 03 32 35.334 -27 46 17.31   27.0914 25.445   24.7445 ~ 12 0
9 GOODS-MUSIC 9460 G 03 32 35.379 -27 47 47.62   28.8018 26.71     ~ 10 0
10 GOODS-MUSIC 9370 G 03 32 35.594 -27 47 52.04   28.8024 27.19     ~ 8 0
11 [PBM2009] s91263 * 03 32 35.652 -27 46 12.56 28.6770 25.2969 23.641 22.83 22.61 M0.9 18 0
12 UDF 2012 G 03 32 35.913 -27 48 17.26   25.2622 24.4317     ~ 24 0
13 GOODS-MUSIC 10119 G 03 32 35.963 -27 47 14.81   27.4762 25.89     ~ 10 0
14 [TIB2005] 258 * 03 32 35.970 -27 47 46.21 28.1838 26.9861 27.491     ~ 5 0
15 DES J033237.93-274609.4 QSO 03 32 37.9260536568 -27 46 09.313831956 22.4636 21.1637 20.471 20.11 20.0551 ~ 27 0
16 [CBS2006] 8081 * 03 32 37.941 -27 46 12.56   27.984 28.226     ~ 3 0
17 EIS-DEEP CDFS-2 Ks 1 2175 * 03 32 38.0038405344 -27 47 41.978255928 23.1254 20.7563 19.842 19.04 18.8613 ~ 16 0
18 [RTG2015] 615 G 03 32 38.016 -27 49 08.39         26.6623 ~ 13 1
19 UDF 9959 * 03 32 38.681 -27 45 19.89   29.0343 26.652     M0.5 5 0
20 [PBM2009] s74670 G 03 32 38.788 -27 48 10.03 27.8908 26.6960 25.023     M1.0 14 0
21 [PBM2009] s63079 * 03 32 38.958 -27 49 37.01   26.4931 24.669   23.58 M1.0 9 0
22 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1900 0
23 [PBM2009] s80618 G 03 32 39.010 -27 47 22.74   27.7900 26.03   24.7963 M2 15 0
24 [VV2006] J033239.1-274602 QSO 03 32 39.0897389184 -27 46 02.044213860 21.11 21.413 21.157 20.68 20.812 ~ 82 0
25 [PBM2009] s93841 * 03 32 39.325 -27 46 01.69   28.1850 25.70     M4.9 13 0
26 EIS-DEEP CDFS-4 J 1 642 AGN 03 32 39.556 -27 48 51.72   27.4720 25.37 24.839 23.3525 ~ 18 0
27 JADES-GS NC 130858 EmG 03 32 39.588 -27 46 25.22     28.67     ~ 12 0
28 MUSE-WIDE 603692310 EmG 03 32 40.225 -27 48 13.65   29.2942 27.86     ~ 11 0
29 [TIB2005] 880 * 03 32 40.451 -27 46 49.88 27.5394 26.9879 26.723     F1 7 0
30 UDF 7357 * 03 32 40.627 -27 46 53.02   27.9352 27.822     ~ 4 0
31 UDF 7113 G 03 32 40.971 -27 46 57.47   30.5149 28.11     ~ 11 0
32 UDF 2977 * 03 32 41.433 -27 48 02.40 27.8966 27.9829 28.120     ~ 4 0
33 [PBM2009] s66572 * 03 32 42.074 -27 49 11.61   29.2828 27.761   24.7099 M8.4 19 0
34 [PBM2009] s74928 * 03 32 42.4157453880 -27 47 59.078956668 24.9551 22.5420 20.58 19.85 18.51 M4.0 18 0
35 [PBM2009] s92395 * 03 32 42.756 -27 46 08.85 29.3701 26.1552 24.170   22.61 M2.1 12 0
36 UDF 6334 * 03 32 42.768 -27 47 10.20 27.4712 27.8211 27.957     ~ 4 0
37 CXOCDFS J033242.9-274703 Sy1 03 32 42.837 -27 47 02.53   25.6384 24.571 24.100 24.311 ~ 81 0
38 UDF 7525 * 03 32 43.542 -27 46 11.89   28.3667 26.415     M1.5 7 0
39 UDF 7894 G 03 32 43.946 -27 46 48.88 28.8448 27.4776 27.444     ~ 5 0
40 VCDFS 24541 WD? 03 32 44.0334175440 -27 48 24.583663476 21.11 19.5509   19.267 19.0879 ~ 17 0
41 [TIB2005] 1221 EmG 03 32 44.138 -27 47 43.49   28.0775 28.052     ~ 11 0
42 MUSE-WIDE 607003222 EmG 03 32 44.374 -27 47 36.24   31.3899 30.056     ~ 7 0
43 UDF 9006 G 03 32 44.476 -27 46 47.99 27.2984 27.3762 27.46     ~ 7 0
44 UDF 7194 G 03 32 44.649 -27 46 55.99 26.7106 26.8671 27.061     ~ 5 0
45 UDF 8186 G 03 32 44.812 -27 46 24.75 28.5446 27.6901 27.846     ~ 5 0
46 [TIB2005] 1271 WD? 03 32 45.207 -27 47 32.36   27.1476 26.013     ~ 8 0
47 [PBM2009] s82885 * 03 32 47.623 -27 47 05.53   26.6961 25.017     M0.2 8 0
48 [PBM2009] s79699 AGN 03 32 48.088 -27 47 23.43   25.0055 22.956     ~ 11 0
49 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
50 NAME Hubble Deep Field reg 12 36 49.5 +62 12 58           ~ 1967 1
51 NAME HDF-S reg 22 32 56 -60 33.0           ~ 580 0

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