Lunar occultation of double stars - Project OLED

OBSERVING PROGRAMME - OCTOBER 2024

The programme for this month includes targets from the following campaigns:

DOUBLE STAR WDS PROGRAMME

The table below shows the occultations of the WDS programmme for OCTOBER 2024. Please report observations by writing an email to enrique.velasco@uam.es.

For more accurate predictions on these occultations for your position, visit this link and choose "WDS (double stars)" as the "Object catalogue". A summary of these predictions, with detailed information for each observer of the project, can be found here.

Urg.1 Día2 UTC3 Estrella (WDS)4 RA5 DEC6 Mags.7 Año8 # obs9 Sep.10 PA11 Tipo12 Flujo13 Ilum.14 Def.15 γ16 hSol17 hLuna18 Mapa19 Mapa20
B 9 18:09:14 J18192-2941 18 19 13.32 -29 40 51.6 8.8/ 8.7/ 8.0 2015 5 6.9 354 I 0.52/0.48 39.4 - 129 -6 20 mapa mapa
A 9 18:55:33 J18196-2914 18 19 33.83 -29 13 30.7 9.9/10.6/ 9.5 1991 6 0.8 242 I 0.65/0.35 39.7 - 13 -19 15 mapa mapa
A 9 19:49:20 J18219-2913 18 21 50.08 -29 13 39.8 10.8/10.9/10.1 1944 2 0.3 233 I 0.52/0.48 40.1 - 39 -25 13 mapa mapa
A 10 22:28:21 J19263-2741 19 26 20.00 -27 41 16.3 10.2/10.3/ 9.5 1991 9 1.7 202 I 0.51/0.49 51.7 895 75 -50 18 mapa mapa
B 12 23:51:51 J21242-1948AB 21 24 13.48 -19 47 36.4 9.7/10.2/ 9.2 2016 22 2.6 86 I 0.59/0.41 73.5 494 55 -65 28 mapa mapa
B 18 06:31:20 J02076+1535 2 7 34.48 +15 35 23.8 8.7/10.2/ 8.5 2020 35 5.0 188 E 0.80/0.20 -99.0 20 246 -9 20 mapa mapa
A 19 00:17:48 J02554+2005 2 55 25.78 +20 4 51.7 10.5/10.5/ 9.7 2001 2 0.5 104 E 0.50/0.50 -96.4 41 287 -59 66 mapa mapa
A 19 01:53:48 J02582+2030 2 58 11.22 +20 30 3.6 10.0/10.0/ 9.2 2001 2 1.1 165 E 0.50/0.50 -96.1 28 300 -51 69 mapa mapa
A 19 19:25:47 J03469+2313 3 46 52.20 +23 12 37.7 10.6/10.7/ 9.9 1991 1 0.5 359 E 0.51/0.49 -92.0 88 205 -27 13 mapa mapa
A 19 20:07:18 J03483+2325Aa,Ab 3 48 20.80 +23 25 16.9 5.7/ 7.7/ 5.5 1974 0 0.1 --- E 0.86/0.14 -91.8 140 227 -31 16 mapa mapa
A 19 20:21:04 J03489+2351Aa,Ab 3 48 56.91 +23 51 26.2 6.4/ 9.3/ 6.3 2010 0 0.0 --- E 0.94/0.06 -91.8 40 314 -33 18 mapa mapa
A 19 23:41:57 J03561+2421 3 56 3.16 +24 21 9.1 10.2/10.2/ 9.4 2007 11 0.2 55 E 0.50/0.50 -90.8 180 252 -60 55 mapa mapa
B 20 23:57:19 J04599+2720 4 59 53.75 +27 19 32.2 7.0/ 8.7/ 6.8 2018 42 20.5 207 E 0.83/0.17 -83.0 321 272 -60 48 mapa mapa
B 21 02:47:12 J05053+2740 5 5 15.46 +27 39 35.9 10.4/10.4/ 9.6 2016 19 2.0 140 E 0.50/0.50 -82.0 342 271 -43 76 mapa mapa
B 21 04:57:07 J05098+2802A,BC 5 9 45.06 +28 1 50.2 6.0/ 9.1/ 6.0 2017 68 11.3 29 E 0.94/0.06 -81.2 352 275 -30 81 mapa mapa
A 21 04:57:18 J05098+2802BC 5 9 45.44 +28 2 1.6 9.1/ 9.7/ 8.6 2007 42 0.2 99 E 0.63/0.37 -81.2 351 275 -30 81 mapa mapa
B 21 05:09:13 J05101+2733 5 10 3.87 +27 33 23.4 7.0/ 9.3/ 6.9 2015 24 314.6 353 E 0.89/0.11 -81.1 220 212 -17 66 mapa mapa
B 22 02:50:15 J06093+2839 6 9 21.15 +28 38 54.0 10.8/11.0/10.2 2016 7 0.7 164 E 0.53/0.47 -72.6 328 322 -42 68 mapa mapa
B 22 03:48:52 J06117+2846AB 6 11 40.60 +28 46 5.9 8.8/ 9.5/ 8.4 2011 17 0.4 264 E 0.65/0.35 -72.2 469 300 -45 71 mapa mapa
B 22 22:28:11 J07008+2716AB 7 0 45.04 +27 16 4.1 9.8/ 9.9/ 9.1 2016 28 0.3 32 E 0.52/0.48 -64.5 596 235 -57 15 mapa mapa
A 23 02:32:06 J07110+2747 7 10 58.01 +27 46 52.3 10.7/10.7/ 9.9 1991 1 0.5 122 E 0.50/0.50 -62.7 550 330 -61 43 mapa mapa
B 23 04:22:21 J07128+2713AB 7 12 49.08 +27 13 30.2 7.2/ 7.3/ 6.5 2019 439 0.8 304 E 0.51/0.49 -61.9 652 237 -26 72 mapa mapa
A 25 04:04:08 J09025+2117 9 2 28.19 +21 16 38.4 10.7/10.7/ 9.9 2008 5 0.5 81 E 0.51/0.49 -41.8 - 326 -30 48 mapa mapa
A 26 03:40:39 J09500+1634 9 49 57.94 +16 33 35.4 9.0/10.6/ 8.8 2008 37 1.0 330 E 0.82/0.18 -32.5 - 273 -34 33 mapa mapa
B 26 05:02:16 J09521+1628AB 9 52 8.54 +16 27 46.8 9.3/10.1/ 8.9 2017 31 2.2 207 E 0.68/0.32 -32.0 - 304 -19 47 mapa mapa

1 Degree of urgency of the observation. A: High. B: Low.
2 Day of occultation.
3 UTC of occultation in Madrid (en negro), Barcelona (verde), La Laguna (rojo) and Marseille (azul). Note that some events might be visible in some places and not in others.
4 ID number of star in WDS (Washington Double Star) catalogue.
5 J2000.0 right ascension (hh mm ss.ss).
6 J2000.0 declination (dd mm ss.s).
7 Magnitude of components and total magnitude.
8 Year of last observation.
9 Total number of observations.
10 Last measurement of separation between components, in arcseconds.
11 Last measurement of position angle, in degrees.
12 Type of occultation. I: ingress. E: egress.
13 Fractional change of flux in reference to combined flux. The two values refer to ingress or egress of each component.
14 % fraction of illuminated area of Moon (positive, waxing Moon; negative, waning Moon).
15 Distance from contact to Moon terminator, in arcseconds.
16 Position angle of contact in ° (from N to E).
17 Height of Sun above horizon in reference location at contact time, in °.
18 Height of Moon above horizon in reference location at contact time, in °.
19 Visibility map.
20 Contact map for observers.

GAIA DR3 NONSINGLE STAR PROGRAMME

The observing programme for October 2024 includes a short list of stars from the Gaia DR3 nonsingle star catalogue for which occultation work can confirm duplicity. A summary of these predictions, with detailed information for each observer of the project, can be found here.

General information on the programme can be found in this link.

Day Gaia DR3 id Table PPM/TYC id mag. Type UTC (hh.mmss) map+
nss Tenerife Madrid Asturias Barcelona Marseille Paris
11 6848955893329067776 acceleration  271000  8.3 I 19.2603 19.5811 19.5436 20.0744 20.1217 20.0723 map
13 6831195516363101824 acceleration  238804  9.4 I 00.1906 - - - - - map
13 6827113785603025664 acceleration  239854  10.0 I - - - - 17.2755 17.3250 map
13 2599949420318236928 acceleration  240022  7.9 I 21.5523 22.2417 - 22.2529 22.2841 22.3846 map
17 2577612120045309056 acceleration  144174  7.8 I 23.3553* 00.1124 00.1357 00.1913 00.2457 00.2738 map
18 84245375489891456 acceleration  1227-997-1  9.8 E 21.1456 - - 21.4852 21.5607 - map
19 66446103306137472 acceleration  1800-1123-1  10.0 E - 20.4053 20.4713 20.4049 20.4353 20.5314 map
21 3431083453898390912 acceleration  1871-1855-1  9.9 E - - - 21.1031 21.1201 21.2110 map
22 3436493497781220992 acceleration  95636  9.6 E 05.3208 - - - - - map
23 884025254452754560 acceleration  97007  9.5 E - - 00.1504 - - 00.2521 map
23 681824378909339392 acceleration  98245  9.2 E - - - 23.5924 0.0036** - map
* The event occurs on 16 October 2024.
** The event occurs on 24 October 2024.

ACKNOWLEDGEMENTS

Information on the stars in the tables above has been collected with the help of the and web tools.

Last revised 01 Oct 24
E. Velasco
Agrupación Astronómica de Madrid
Universidad Autónoma de Madrid
Spain