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Lunar Occultations of Close Double Stars in September 2014 for Australia and NZ


The list shows possible double stars, with separations less than 2", predicted to be occulted by the Moon during September 2014 and visible from parts of Australia or New Zealand. The listing is a very abbreviated version of predictions produced by Occult plus an indication of the region of visibility. Observers need to generate their own precise predictions using Occult.

Observations of all pairs in the list are highly desirable. Those showing an OCc number have been reported as non-instantaneous at a lunar occultation. Confirmation or otherwise of any double nature is wanted.

The list below is generated by OCCULT for a 25cm telescope. Some of the events may be beyond the reach of smaller telescopes.

Please send reports of all observations of these stars to Brian Loader at palbrl@clear.net.nz, including any made in earlier months and not so far reported. And of course if you observe a stepped event for a star, which is not a known double, please report this. More details about reporting follow the predictions.

  

 d P    Star  Mag    %         Double details        WDS or   Area of
Sep      No    v   ill      magnitudes sepn    PA0   OCC #    Visibility
 1 d  159353  8.7   38+ : AB  8.8 11.9  1.2"  294.1  RST3923  BR
 1 D  159453  6.9   40+ : AB  7.27 8.69 1.69" 109.4  BU   35  AAsCHMPS
      159453:  B star is X133669
 2 d  159933  9.1   49+ : **  9.3 10.6  0.19" 265.5  OCc 518  BCHS,AkChIW
 2 d X 41117 10.2   49+ : AB 10.8 11.5  0.20" 313.0  HDS2338  AAsCHMS
 3 d  160513  8.6   59+ : **  9.2  9.2  0.10"  90.0  OCc  14  ,ChIW
 3 d  160598  9.0   60+ : **  9.9  9.9  0.10"  90.0  OCc  11  ,ChIW
 3 d  160678  7.6   62+ : Aab 8.2  8.8  0.10"  96.0  YSC 158  H,ChI
                        : AB  7.71 10.1 0.82"  93.7  HDS2485  H,ChI
 3 d  160686  9.3   62+ : AB 9.49 11.33 0.30" 139.0  HDS2486  AHM
 4 D  161468* 7.9   71+ : **  9.0  9.5  0.05" 350.0  OCc1547  BCHRS,Ak
 5 D    2856  7.1   82+ : **  6.8  8.5  0.20" 347.0  OCc1579  AsBPR
 5 D    2883* 5.5   83+ : A   5.5       0.015" 83.8  BUP 197  AAsCHMPS
 5 d  162960# 8.9   84+ : AB 9.03 11.20 0.20"  47.0  HDS2486  P  
 6 D    2975* 7.0   89+ : **  7.8  7.8  0.050" 20.0  OCc 476  ,Ak
 6 d  163668# 8.3   90+ : AB  9.14 9.22 1.22" 172.6  HO  133  AAsBCMRS
      163668:  B star is X175030
 6 d  163677!?9.4   90+ : **  9.8 10.7  0.05" 220.5  OCc1715  AAsBCMRS
 6 d X176083  9.4   91+ : AB 9.4  11.1  1.1"  119.0  TDS1095  P
 7 D    3154* 7.4   96+ : **  8.2  8.2  0.10"  90.0  OCc1604  AAsBCHMRS,AkW
 7 d  145567  8.7   97+ : **  9.3  9.3  0.030" 95.0  OCc 347  AAsBCMPRS
 7 d  145572# 9.1   97+ : **  9.5  9.5  0.060" 68.0  OCc 348  AsP
 8 d  146105  8.2   99+ : **  9.3  9.3  0.10" 123.0  OCc 823  R
 8 d    3320* 5.0  100+ : **  6.1  6.1  0.10"  93.0  OCc 342  ABCHMS,AkChIW

 9 r  146725# 7.8  100- : AB  7.98 10.6 1.40"  61.9  A   896  BR
11 r     193  7.9   92- : **  8.7  8.7  0.10" 133.0  OCc 712  ,Ak
12 r     359  8.2   83- : **  8.6  8.6  0.10"  35.0  OCc 695  AsPR
15 R     764* 4.9   54- : AB  5.8  5.8  0.10"  82.1  A  3010  BR
16 r   95127  7.2   44- : **  8.4  8.4  0.020"  0.0  OCc 450  BRS,Ak
16 r   95160  9.4   44- : Aab 9.55 11.7 0.09" 161.5  HDS 823  ,AkChIW
16 r   95183  9.2   43- : AB  9.3 11.3  0.51"  66.3  A  2443  BCHMS,ChI
16 r   95252  8.1   43- : AB  8.33 9.78 0.29" 158.1  COU 471  AsPR
17 r   96277* 7.6   34- : AB 12.0 12.5  1.6"  129.0  COU 769  CHMS,I
18 r   97207  8.5   25- : **  9.5  9.5  0.05" 350.0  OCc 368  ,ChI
18 R    1190* 7.2   24- : **  7.9  7.9  0.03" 158.0  OCc 379  P
20 r X114488 10.0   11- : AB 10.7 10.8  0.50" 308.0  TDS6522  BCHMRS
21 r    1492  8.5    5- : AB  8.8 10.3  1.37" 261.0  A  2565  AM

27 d X 38053 10.6    9+ : AB 11.3 11.5  0.40"  54.7  RST3882  BR
27 d X 38149  8.9    9+ : AB  9.5 10.1  1.3"  195.1  HU  140  AsP
     X 38149: B star is X129122
28 D  159188  7.4   16+ : AB  7.5  8.6  0.40" 124.0  MCA  41  BCMRS
29 d  159887  8.9   25+ : **  9.2 11.2  0.013" 30.9  OCc 576  AsHMP
29 D    2352  7.0   25+ : AB  7.6  7.8  0.04" 193.4  CHR  54  AHMP
30 d  160325  9.1   34+ : AB 10.01 9.67 0.40"  95.1  HU  168  BR,AkChIW
30 d  160341 10.1   34+ : AB 10.7 10.9 0.40" 102.0   TDT 256  BCHRS,Ak
30 d  160378  8.6   35+ : **  8.9  9.5  0.040" 66.0  OCc 992  As
30 d X 42110  9.6   35+ : AB  9.6  9.7  1.2"  292.0  WHC  14  AAsBCMRS
     X 42110:  B star is X140969
30 d  160421  8.6   35+ : AB  8.9 10.0  1.00"  53.5  STN  33  AAsBCHMPRS,ChI
      160421:  B star is X141119
30 d  160513  8.6   36+ : **  9.2  9.2  0.10"  90.0  OCc  14  P

======================================================================

Visibility codes:
Australia: A Adelaide, As Alice Springs, B Brisbane, C Canberra, H Hobart, M Melbourne, P Perth, R Rockhampton, S Sydney

NZ (following a ,) Ak Auckland, W Wellington, Ch Christchurch, I Invercargill.
----------------------------------------------------------------------
Stars with previous occultation observations: 

#: Observations indicating double - these need further checking
*: Observations not showing double - need confirmation
!: Recent video discoveries - confirmation needed.
?: Uncertain double observation, confirmation or otherwise needed

==================================================================

Reporting Your Observations

The most convenient way of reporting is to use Dave Herald's new version of OCCULT which has a Double Star report option in the Observations editor. Before using it, generate a light curve with Limovie and copy to the clip board. Your graph will be attached to the email which you can then send to palbrl@clear.net.nz.

Otherwise in reporting please include your name and positional data as for other occultations reports, also your telescope type and method of observing and timekeeping.

For each event give the star name and the times of each step of the event with the corresponding accuracy. The limb PA, Rv and Cct of the event would also be useful.

In addition to measures of the PA and separation of binary stars, there is also a need for an estimate of the magnitude difference. An estimate of this can be made from the step sizes shown by Limovie data. So if possible a determination should be made of the size of each step together with an estimate of accuracy.

Please also report cases where a double event is predicted but none detected. These are especially likely with stars shown with an OCc designation


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