II. User's Guide to the 2MASS All-Sky Data Release


6. Ancillary Files

h. Image Anomalies

Table 1a: Satellite trails

The code (Cde) is as follows --
 
   b - backgrounding problems
   c - cosmic ray
   e - electronic artifact
   g - glint from edge of chip
   i - insect trail
   m - meteor trail
   r - reflection artifact from bright star
   s - satellite trail

Key refers to the cntr in coadd_dat (the "coadd_key").
 
 Date   H Scn Img Cde   Key    Description
 ------ - --- --- --- -------  -----------
 970614 n 046 138  s  1663050  bright pieces left in NW quadrant
 970711 n 084 266  s  1530696  bright pieces along S edge
 970923 n 021 021  s    72866  many pieces in W half of coadd
 971006 n 110 173  s  1583795  bright pieces in center of coadd
 971010 n 054 056  s  1584360  bright piece along W edge
 971018 n 083 068  s  1590088  streak pieces, persistence, and line128 artifacts at ctr
 971030 n 145 138  s   137207  piece of trail in SE quadrant
 971031 n 052 220  s   137720  piece left along W edge
 971102 n 057 220  s   197980  two short piece (either end of trail) left in NE quad
 971119 n 024 162  s   151170  faint piece in middle of coadd
 971216 n 109 220  s  1625912  faint trail at J in NE quadrant
 971218 n 023 009  s   205345  either end of trail remains; one at W edge, other at E
 980112 n 140 009  s   210911  small pieces at J in SW corner
 980128 n 024 044  s   273290  bright piece in S half of coadd
 980130 n 067 068  s   223819  VERY bright; pieces remain w/ persistence and line128
 980202 n 038 209  s   286414  pieces remain in SE quadrant
 980223 n 138 197  s   275626  bright piece in SW quadrant
 980224 n 093 185  s   284204  small pieces remain near W edge
 980304 n 053 009  s   288513  faint trail in N half of coadd
 980308 n 045 266  s   289685  piece remains near center
 980322 n 093 197  s   265736  faint piece in NE corner
 980331 n 032 056  s   303214  piece left in NE quadrant
 980417 s 028 068  s  1569480  pieces remain along E half of coadd
 980417 s 028 080  s  1569481  tiny pieces remain along E edge
 980417 s 105 245  s  1570438  piece remains in NW corner
 980417 s 136 150  s  1570867  tiny J-only spot in NE quadrant of coadd
 980417 s 137 080  s  1570884  faint pieces remain toward center of coadd
 980428 s 070 103  s  1568402  pieces left in N half of coadd
 980606 n 063 056  s   379942  faint trail in NE quadrant
 980613 n 026 220  s  1615378  streak in S half of coadd
 980617 n 084 079  s   434592  pieces remain in NE quadrant
 980618 n 082 150  s   410287  trail pieces cross coadd along long diagonal NE-SW
 980618 n 082 162  s   410288  piece left in SE corner
 980626 s 067 044  s    35999  bright pieces in S half
 980626 s 137 162  s    36929  bright pieces in E half
 980727 s 008 198  s    26260  small faint piece in NW corner
 980727 s 042 127  s    26760  small faint piece in NW corner?
 980810 s 011 103  s   259725  in NE corner of coadd
 980902 s 091 162  s    59423  bright piece in NW corner
 980904 s 037 245  s  1612781  small piece at 33.941492, -18.379489
 980921 s 044 139  s   109584  bright trail at center of coadd
 980924 s 081 068  s  1640481  pieces remain at center of coadd
 980927 n 111 044  s  1642733  pieces in SW quadrant
 981012 s 129 209  s   128565  bright pieces in S half of coadd
 981020 s 051 198  s   167618  long broken trail near center of coadd
 981028 s 014 115  s   331831  streak in center of W half of coadd
 981103 n 087 244  s   549100  bright piece left in NW quadrant
 981105 n 191 173  s   542999  bright pieces left in E half
 981111 s 077 033  s   192122  missed a Ks-only piece near S edge
 981121 s 043 056  s   218597  bright pieces in center of coadd
 981130 s 022 009  s   235636  pieces of long streak along N edge
 981201 n 045 256  s   607406  pieces remain in W half of coadd
 981203 n 026 033  s   608767  faint trail crosses N two-thirds of coadd
 981208 s 093 009  s   267008  pieces in S half of coadd
 981211 s 014 139  s   280037  tiny piece in SE corner
 981212 s 057 056  s   258893  bright piece remains in E half of coadd
 981223 n 050 244  s   643676  pieces in N half of coadd
 981231 s 081 044  s   300683  piece along E edge; faint persistence trail in S half
 990113 n 062 009  s   665713  pieces of trail remain across middle of coadd
 990115 s 111 127  s   329831  piece of trail remains in middle of coadd
 990118 s 047 021  s   339988  short bright piece at RA=05:42:10, Dec=-12:23:00
 990120 s 112 162  s   343404  bright piece in N half
 990203 n 043 244  s   685996  bright piece in SW corner
 990203 n 140 220  s   687236  pieces left in SW quadrant
 990214 n 110 173  s  1603621  bright pieces in N half of coadd
 990227 n 098 068  s   719768  pieces in SW corner
 990227 n 098 080  s   719769  pieces in NE corner
 990323 s 123 257  s   468302  short pieces near center of coadd
 990328 s 034 209  s   471403  missed it in H band near center along extreme E edge
 990418 s 125 267  s   568905  bright pieces along W edge
 990420 n 057 244  s   773603  pieces remain in NW corner
 990420 n 073 021  s   773791  faint trail in S half of coadd
 990502 n 044 021  s   780300  faint streak in W middle of coadd
 990510 n 117 162  s   805083  faint pieces in S half of coadd
 990510 s 091 245  s   585026  pieces in SE corner of coadd
 990510 s 091 257  s   585027  pieces in NE corner of coadd
 990510 s 152 127  s   585637  pieces in NE corner of coadd
 990516 n 028 080  s   864922  bright pieces in E half of coadd
 990516 n 044 232  s   865142  bright piece in S half
 990524 n 082 009  s   869746  piece in N half
 990622 n 075 256  s   907487  faint trail in SE corner
 990622 n 075 266  s   907488  faint trail in NE corner
 990623 n 035 266  s   926647  pieces in SW corner
 990623 n 058 080  s   926884  pieces in NW corner
 990707 s 018 056  s   793758  faint trail in S half of coadd
 990714 s 101 221  s   658670  bright pieces along W edge
 990720 s 046 056  s   646696  bright streak in S half of coadd
 990801 s 085 221  s   766839  bright streak in SE corner
 990911 s 026 174  s   712187  pieces near E edge; part of trail intersects a galaxy
 990920 s 129 103  s   728212  H-band only source at 84.602853, 9.897868
 990920 s 129 115  s   728213  pieces in S half of coadd
 990920 s 129 221  s   728222  faint streak in NW quadrant
 990926 n 017 244  s   923057  broken trail in S half of coadd
 990927 n 031 244  s   971012  broken trail near center of coadd
 990928 n 029 162  s   962564  pieces in S half of coadd
 991012 s 058 068  s   775451  bright streak in N half of coadd
 991012 s 058 162  s   775459  long streak; one piece in NE corner, the other in SW
 991012 s 058 174  s   775460  bright piece in SE corner
 991020 s 009 056  s  1621597  bright piece in NE quadrant
 991021 n 112 256  s  1143421  bright pieces in W half of coadd
 991024 s 113 198  s   848418  tiny piece along W edge
 991025 s 124 127  s   838177  two pieces; one along W edge, other at cnt of N half
 991026 s 029 209  s   857182  small piece in S half of coadd
 991028 s 121 103  s   819246  bright pieces in center of coadd
 991101 n 143 138  s   991128  faint trail in NE corner
 991101 s 024 092  s   829779  faint broken trail in W half
 991106 s 058 021  s   838812  pieces left in S half of coadd
 991114 s 060 198  s   874914  faint pieces in middle of coadd
 991114 s 063 174  s   874981  bright broken trail crosses middle of coadd
 991115 s 062 198  s   872269  faint broken trail in S half
 991118 s 012 209  s   875835  streak in center of coadd
 991121 s 084 009  s   873541  two small pieces remain in S half of coadd
 991208 s 099 209  s   911232  piece in NW quadrant
 991208 s 099 221  s   911233  piece in SE corner
 991212 n 031 150  s  1623238  bright broken trail in NE quadrant
 991220 s 107 080  s   913866  tiny J-only piece near S edge
 991227 n 061 138  s  1105415  tiny J-only piece near center of coadd
 991227 n 061 150  s  1105416  bright piece in SE corner
 000107 s 049 103  s   961593  long trail in N half of coadd
 000107 s 049 115  s   961594  pieces remain near S edge
 000110 n 030 266  s  1111613  piece of trail remains along W edge
 000112 n 031 115  s  1189869  small piece remains in center of coadd
 000113 s 072 056  s   966856  faint trail in N half of coadd
 000123 s 042 056  s   998527  at center of coadd along W edge
 000126 s 028 056  s   977482  at center of coadd
 000127 s 090 127  s   981306  short streak remains in NW corner
 000201 s 081 221  s  1026693  short streak near N edge
 000229 s 124 221  s  1088310  near center of S half of coadd
 000229 s 129 233  s  1088426  in NW corner of coadd
 000301 s 086 221  s  1055995  short streak remains along E edge
 000303 n 057 197  s  1253724  bright segment remains in S half of coadd
 000303 n 103 068  s  1254311  faint trail remains in S half of coadd
 000303 s 116 092  s  1047773  pieces of bright trail near E edge
 000304 s 102 198  s  1506149  pieces of streak in NW quadrant
 000306 s 062 021  s  1089144  pieces of bright trail in S half of coadd
 000306 s 100 162  s  1089593  pieces of trail in S half of coadd
 000315 n 114 232  s  1245056  trail crosses most of coadd
 000320 n 017 256  s  1259249  piece of trail remains along W edge
 000321 s 069 068  s  1130295  piece remains in center of E half of coadd
 000324 n 020 044  s  1263900  piece remains in NW corner
 000324 n 049 103  s  1264296  bright piece along W edge in NW corner
 000325 s 109 056  s  1168957  piece remains in extreme NE corner
 000404 n 101 232  s  1267113  bright trail remains in W half of coadd
 000405 s 128 221  s  1152917  two parallel trails in S half of coadd, one with line128
 000423 s 116 221  s  1537983  bright streak in SW corner
 000425 s 084 056  s  1165530  bright streak, with persistence, in center
 000501 s 079 127  s  1211536  piece remains in SW corner
 000501 s 079 139  s  1211537  pieces remain in NW corner
 000501 s 134 127  s  1212249  piece remains in center of coadd near W edge
 000513 n 111 220  s  1379973  streak remains in center of coadd near E edge
 000519 n 099 162  s  1371987  streak of variable brightness crosses center of coadd
 000602 n 011 162  s  1385557  bright streak in N half of coadd
 000606 s 072 056  s  1287223  bright trail in SW corner
 000606 s 141 080  s  1287593  trail crosses S half of coadd
 000621 n 057 056  s  1416345  bright trail crosses N half of coadd
 000621 n 057 068  s  1416346  bright trail crosses SE corner
 000623 s 142 162  s  1218876  bright trail cuts into halo of brightish star
 000702 s 038 009  s  1292440  pieces remain in center of coadd
 000703 n 021 068  s  1462944  pieces remain along W side of coadd
 000703 n 021 091  s  1462946  piece remains in SE corner
 000707 s 047 021  s  1512804  bright piece along W edge
 000707 s 047 033  s  1512805  bright piece along W edge
 000715 s 090 092  s  1310318  in E half of coadd near the middle
 000716 s 119 139  s  1289300  broken trail in E half of coadd
 000716 s 129 056  s  1289385  two bright geo-synch satellite trails along W edge
 000717 s 084 162  s  1231710  piece at 330.420466, -56.364148
 000717 s 155 009  s  1232640  piece at 14.576288,  +6.246439.
 000720 s 112 221  s  1430021  bright streak, with persistence, in S half of coadd
 000724 s 089 103  s  1233798  pieces of trail remain in S half of coadd
 000802 s 074 221  s  1320748  pieces of bright trail in S half of coadd
 000802 s 136 186  s  1321343  a bright piece along E edge and a faint one in N center
 000805 s 143 033  s  1343203  short J-only piece in middle of coadd
 000808 s 139 056  s  1228872  two parallel streaks in E half of coadd
 000813 s 064 257  s  1356424  faint horizontal trail in S half of coadd
 000813 s 105 056  s  1356844  two parallel streaks, with persistence, in center
 000813 s 111 256  s  1356999  pieces of bright streak in NW quadrant
 000813 s 111 267  s  1357000  piece of bright streak in extreme SW corner
 000819 s 070 127  s  1360461  short trail in extreme NE corner
 000826 s 057 056  s  1377659  bright streak in SW quadrant with persistence and line128
 000826 s 111 044  s  1378348  at least two small pieces in SE corner
 000826 s 112 221  s  1378386  bright broken trail at center in W half
 000827 s 075 221  s  1351913  bright streak, with persistence and line128, in center
 000827 s 114 056  s  1352382  bright streak along E edge
 000827 s 130 080  s  1352614  small piece of trail left in SW quadrant
 000827 s 144 174  s  1352806  double trail, one faint and one bright, in N half
 000829 s 098 174  s  1353427  bright trail remains in NW portion
 000829 s 098 186  s  1353428  bright trail remains in SW corner
 000902 s 087 221  s  1520572  bright streak along E edge
 000902 s 124 139  s  1521002  bright streak near S edge
 000913 n 085 009  s  1440353  bright broken trail in S half of coadd
 000913 n 085 021  s  1440354  bright broken trail along N edge
 000922 s 104 009  s  1358358  faint piece in NW quadrant
 000924 s 123 021  s  1414433  small H-only piece remains in NE quadrant near E edge
 000929 s 062 221  s  1424961  bright streak, with persistence and line128, in SE quad
 001007 n 014 068  s  1467452  bright trail crosses most of coadd
 001008 s 044 256  s  1651675  small piece of trail remains in center of coadd
 001013 s 068 162  s  1476154  bright trail in S half of coadd
 001017 s 116 115  s  1446066  faint pieces at center of coadd
 001109 n 020 068  s  1219926  bright pieces left in W half
 001109 n 028 009  s  1219967  bright pieces left in W half
 001109 n 035 009  s  1220128  piece left in SE corner
 010205 s 067 103  s  1497861  streak remains in S half

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