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


The list shows possible double stars, with separations less than 2", predicted to be occulted by the Moon during November 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.

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Lunar Occultations of Close Double Stars in November 2014 for Australia and NZ.
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The list shows possible double stars with separations < 2" predicted to be occulted by the Moon during November 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.

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

**********************************************************************************


 d P    Star  Mag    %         Double details        WDS or   Area of
Nov      No    v   ill      magnitudes sepn    PA?   OCC #    Visibility
 1 d  145689* 8.6   65+ : AB  8.7 11.3  0.50"  94.0  HDS3107  AAsBCMPRS
 1 d  145699  9.4   66+ : AB  9.5  9.6  0.9"  131.2  A   301  ABCHMPRS,I
      145699, B star is X180861
 2 D    3320* 5.0   75+ : **  6.1  6.1  0.10"  93.0  OCc 342  ,AkChW
 3 d  128368  8.3   86+ : **  9.0 10.8  0.34" 320.0  OCc1646  ACHMPRS

 7 r   93484  7.0   99- : **  7.0 10.5  0.035" 13.0  OCc 485  AAsMPR
 8 R     663#?6.9   96- : Aab 7.0  9.0  0.10"  30.3  KOH  11  AsB
 9 r     800  7.9   91- : Aab 8.22 9.28 0.25"  24.2  HDS 705  As
10 r   95390  7.4   85- : **  8.3  8.3  0.050" 13.0  OCc 927  AAsBCHMPRS,AkChIW
10 r   95426  8.7   85- : **  9.4  9.4  0.10" 236.0  OCc 604  ACHMPRS,AkChIW
11 r   96427* 8.3   78- : **  9.0  9.0  0.05" 115.0  OCc 378  ,AkChI
11 r    1072  6.0   78- : **  7.0  7.0  0.03" 197.0  OCc 411  B
11 r    1083# 7.6   77- : AB  7.71 9.45 0.30"  57.0  HDS 992  As
11 r   96573* 8.2   77- : **  9.4  9.4  0.10"  90.0  OCc1344  HMPR
11 r   96647# 8.3   76- : AB  8.44 9.85 1.01" 103.6  A  2525  As
15 r  118210  8.5   41- : AB  8.6 12.0  0.20"   1.0  YSC  92  ,AkChIW
16 r X120230  8.0   31- : AB  7.92 8.05 1.21" 123.2  STF1504  ,AkChIW
     X120230, B star is SAO118638
17 R  138479  8.4   22- : **  9.2  9.2  0.05" 350.0  OCc1430  ABCHMPRS
19 r X126623  8.0    8- : AB  8.1  8.2  1.2"  171.5  BU  114  As
     X126623, B star is R1948

24 d  160678  7.6    4+ : Aab 8.2  8.8  0.10"  96.0  YSC 158  ,AkW
                        : AB  7.7 10.1  0.82"  93.8  HDS2485  ,AkW
24 d  160757  9.4    4+ : ** 10.1 10.1  0.10"  90.0  OCc 535  AMPR
26 d X 46524  9.7   18+ : AB  9.8       0.70" 185.0  ARU  16  CMPRS,AkChIW
26 D    2883* 5.5   19+ : A   5.5       0.02" 106.4  BUP 197  AAsCHMPR
27 d X176083  9.4   29+ : AB  9.4 11.1  1.1"  119.0  TDS1095  A
28 D    3154* 7.4   38+ : **  8.2  8.2  0.10"  90.0  OCc1604  B
28 d  145567  8.7   40+ : **  9.3  9.3  0.03"  95.0  OCc 347  AAs
29 d X 51923 10.1   49+ : AB 10.7 10.8  0.50"  21.0  TDT3520  ,AkChW
29 D    3290  7.3   49+ : AB  7.3       0.60" 219.0  ARU  23  ,AkChIW
29 D    3320* 5.0   52+ : **  6.1  6.1  0.10"  93.0  OCc 342  A

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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.
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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

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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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