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Current system
20374+2321
POU 4745 AB


Nearby doubles
3' : 20375+2319
POU4748

3' : 20372+2319
POU4742

5' : 20377+2319
BKO 601

8' : 20369+2325
POU4737

8' : 20379+2317
POU4754

9' : 20368+2324
POU4735

9' : 20367+2320
BKO 593

9' : 20375+2329
POU4747

10' : 20367+2319
POU4733

11' : 20367+2327
BKO 600

11' : 20367+2316
BKO 594

11' : 20381+2325
POU4764

12' : 20367+2328
POU4734

12' : 20369+2330
POU4736

12' : 20371+2331
BKO 597

14' : 20365+2327
POU4724

14' : 20377+2334
POU4752

15' : 20380+2332
POU4756

15' : 20363+2321
POU4721

16' : 20380+2334
POU4758

18' : 20374+2338
POU4746

19' : 20375+2339
POU4749

19' : 20365+2334
POU4722

20' : 20381+2338
POU4762

21' : 20386+2333
POU4778

22' : 20359+2327
POU4712



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20374+2321 POU 4745 AB

 
 
20h 37m 22.33s +23° 20' 38.1" P.A. 326.00 sep 17.7 mag 12.36,12.90
 
 
Coord 2000 20374+2321 Discov num POU4745 Comp AB Coord arcsec 2000 20 37 22.33 +23 20 38.1
Date first 1892 Date last 2015 Obs 11
Pa first 329 Pa last 325.8 P.A. Now (θ) 325.8°
Sep first 13.7 Sep last 17.655 Sep. Now (ρ) 17.655"
Mag pri 12.36 Mag sec 12.90 delta mag (ΔM) 0.54 Spectral class
Pri motion ra +002 Sec motion ra -021
Pri motion dec -006 Sec motion dec +016
Notes
rPM=1.206
This double is not physical.
 
 
20374+2321 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 37 22 +23 20 38 POU 4745 AB 2015 11 326 17.7 12.36 12.90 0.54 <===
Show 20 37 22 +23 20 38 BKO 599 AC 2015 8 187 8.4 12.36 14.40 2.04
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2157-00424-1 Gaia DR2 1819219950407010304
 
 
WDS 20374+2321 POU 4745 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bko2002 C - Ladanyi, T. & Berko, E. ...................
Bko2002 Webb Soc., Double Star Circ. 10, 2002
Bko2003 C u Ladanyi, T., Berko, E. & Vaskuti, G ...................
Bko2003 Webb Soc., Double Star Circ. 11, 2003
Bko2004 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2004 Webb Soc., Double Star Circ. 12, 2004
Bko2005 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2005 Webb Soc., Double Star Circ. 13, 2005
Bko2008 C u Berko, E. & Vaskuti, G. ...................
Bko2008 Webb Soc., Double Star Circ. 16, 2008
Bko2008b C u Berko, E. 2008JDSO....4..144B
Bko2008b JDSO 4, 144, 2008
Bko2009 C u Berko, E. 2009JDSO....5...49B
Bko2009 JDSO 5, 49, 2009
Bko2009b C u Berko, E. 2009JDSO....5..168B
Bko2009b JDSO 5, 168, 2009
Bko2009c C u Berko, E. ...................
Bko2009c Webb Soc., Double Star Circ. 17, 2009
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
Bko2010a C u Berko, E. 2010JDSO....6...21B
Bko2010a JDSO 6, 21, 2010
Bko2010b C u Berko, E. ...................
Bko2010b Webb Soc., Double Star Circ. 18, 2010
Bko2011a C u Berko, E. 2011JDSO....7....2B
Bko2011a JDSO 7, 2, 2011
Bko2011b C u Berko, E. ...................
Bko2011b Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c C u Berko, E. ...................
Bko2011c Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012 C u Berko, E. ...................
Bko2012 Webb Soc., Double Star Circ. 20, 2012
Pou1933 Pa - Pourteau, M. A. .
Pou1933 Cat. des etoiles doubles de la zone +24deg de la carte photog. du ciel, 1933
Pou1933 (Obs. de Paris, H. Tessier) [QB821.P7]
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20374+2321 POU4745 AB 2008 5 326 17.5 12.36 12.90 D 203722.33+232038.1
20374+2321 POU4745 AB 2015 7 326 17.7 12.36 12.90 203722.33+232038.1

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20374+2321 POU 4745 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20374+2321 POU 4745 AB : MEASURES
 
 
No records found.

 
 
WDS 20374+2321 : VIRTUAL EYEPIECE
 
 

20374+2321 POU4745A mag 12.36 20374+2321 POU4745B sep 17.2 P.A. 328.00 mag 12.9 20374+2321 BKO 599C sep 8.4 P.A. 186.40 mag 14.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20374+2321 : ALADIN DSS IMAGE @ 20h 37m 22.33s +23° 20' 38.1"
 
 
 
 
WDS 20374+2321 POU 4745 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20374+2321 POU4745AB distance=0' 20375+2319 POU4748 distance=3' 20372+2319 POU4742 distance=3' 20377+2319 BKO 601 distance=5' 20369+2325 POU4737 distance=8' 20379+2317 POU4754 distance=8' 20368+2324 POU4735 distance=9' 20367+2320 BKO 593 distance=9' 20375+2329 POU4747 distance=9' 20367+2319 POU4733 distance=10' 20367+2327 BKO 600 distance=11' 20367+2316 BKO 594 distance=11' 20381+2325 POU4764 distance=11' 20367+2328 POU4734 distance=12' 20369+2330 POU4736 distance=12' 20371+2331 BKO 597 distance=12' 20365+2327 POU4724 distance=14' 20377+2334 POU4752 distance=14' 20380+2332 POU4756 distance=15' 20363+2321 POU4721 distance=15' 20380+2334 POU4758 distance=16' 20374+2338 POU4746 distance=18' 20375+2339 POU4749 distance=19' 20365+2334 POU4722 distance=19' 20381+2338 POU4762 distance=20' 20386+2333 POU4778 distance=21' 20359+2327 POU4712 distance=22' 20359+2331 POU4713 distance=23' 20366+2342 POU4725 distance=25' 20365+2342 A 2793 distance=25' 20385+2341 POU4773AB distance=26' 20385+2341 POU4773AC distance=26' 20385+2341 BKO 608BC distance=26' 20392+2317 POU4800 distance=26' 20385+2342 POU4774AB distance=27' 20385+2342 POU4775AC distance=27' 20393+2328 POU4802 distance=28' 20391+2336 POU4794 distance=28' 20394+2321 POU4805 distance=28' 20391+2337 POU4796 distance=29' 20391+2339 POU4797 distance=30' 20395+2319 POU4807 distance=30' 20395+2326 POU4808AB distance=31' 20395+2326 BKO 614AC distance=31' 20352+2325 POU4689 distance=31' 20353+2333 POU4694 distance=32' 20360+2347 POU4714 distance=33' 20351+2347 POU4686 distance=33' 20386+2349 POU4781 distance=33' 20395+2336 POU4809 distance=34' 20382+2352 POU4765 distance=34' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20374+2321 POU4745 AB 326 17.7
Show 20374+2321 BKO 599 AC 187 8.4
Show 20375+2319 POU4748 334 14.0 3
Show 20372+2319 POU4742 12 17.6 3
Show 20377+2319 BKO 601 98 6.7 5
Show 20369+2325 POU4737 269 18.0 8
Show 20379+2317 POU4754 66 15.1 8
Show 20368+2324 POU4735 77 15.1 9
Show 20367+2320 BKO 593 345 4.8 9
Show 20375+2329 POU4747 342 13.8 9
Show 20367+2319 POU4733 242 5.1 10
Show 20367+2327 BKO 600 301 8.4 11
Show 20367+2316 BKO 594 332 8.1 11
Show 20381+2325 POU4764 184 9.7 11
Show 20367+2328 POU4734 25 20.0 12
Show 20369+2330 POU4736 327 17.3 12
Show 20371+2331 BKO 597 36 3.2 12
Show 20365+2327 POU4724 227 17.1 14
Show 20377+2334 POU4752 257 7.9 14
Show 20380+2332 POU4756 258 14.6 15
Show 20363+2321 POU4721 134 21.5 15
Show 20380+2334 POU4758 301 16.0 16
Show 20374+2338 POU4746 40 13.3 18
Show 20375+2339 POU4749 250 12.5 19
Show 20365+2334 POU4722 57 18.4 19
Show 20381+2338 POU4762 215 17.5 20
Show 20386+2333 POU4778 199 2.0 21
Show 20359+2327 POU4712 152 18.5 22
Show 20359+2331 POU4713 293 17.9 23
Show 20366+2342 POU4725 22 6.8 25
Show 20365+2342 A 2793 210 0.9 25
Show 20385+2341 POU4773 AB 33 4.1 26
Show 20385+2341 POU4773 AC 35 7.6 26
Show 20385+2341 BKO 608 BC 28 3.8 26
Show 20392+2317 POU4800 144 23.3 26
Show 20385+2342 POU4774 AB 6 8.8 27
Show 20385+2342 POU4775 AC 269 14.5 27
Show 20393+2328 POU4802 313 19.1 28
Show 20391+2336 POU4794 116 9.9 28
Show 20394+2321 POU4805 221 18.6 28
Show 20391+2337 POU4796 278 16.5 29
Show 20391+2339 POU4797 223 15.6 30
Show 20395+2319 POU4807 191 12.5 30
Show 20395+2326 POU4808 AB 200 16.0 31
Show 20395+2326 BKO 614 AC 194 8.5 31
Show 20352+2325 POU4689 233 12.1 31
Show 20353+2333 POU4694 186 17.9 32
Show 20360+2347 POU4714 28 10.3 33
Show 20351+2347 POU4686 193 16.3 33
Show 20386+2349 POU4781 29 17.2 33
Show 20395+2336 POU4809 79 9.8 34

 
 
WDS 20374+2321 : COMPONENTS
 
 
  A B
B pa=328.0°
sep=17.21"
 
C pa=186.4°
sep=8.38"
pa=160.4°
sep=24.35"
 
 
20374+2321 A
 
 
Coord arcsec 2000 203722.33+232038.1 Mag 12.36 PmRA 2.00 PmDE -6.0
Tycho2 2157-00424-1
Tycho2
Tycho2 2157-00424-1 Pflag RAmdeg 309.34304330 DEmdeg 23.34393893
PmRA 1.8 PmDE -9.6 E RAmdeg 90 E DEmdeg 82
E pmRA 1.9 E pmDE 1.7 EpRAm 1936.99 EpDEm 1946.90
Num 4 Q RAmdeg 0.1 Q DEmdeg 0.5 Q pmRA 0.1
Q pmDE 0.5 BTmag 12.528 E BTmag 0.185 VTmag 12.363
E VTmag 0.198 Prox 999 TYC HIP
CCDM RAdeg 309.34303889 DEdeg 23.34396139 EpRA 1990 1.53
EpDE 1990 1.61 E RAdeg 135.7 E DEdeg 110.6 Posflg
Corr 0.0
 
 
20374+2321 B
 
 
Coord arcsec 2000 203721.67+232052.7 Mag 12.9 PmRA -21.00 PmDE 16.0
Calc delta mag 0.54 Calc coord yes
 
 
20374+2321 C
 
 
Coord arcsec 2000 203722.26+232029.8 Mag 14.4 Calc delta mag 2.04 Calc coord yes