20201+2334 BKO 641

 
 
20h 20m 08.99s +23° 33' 37.6" P.A. 98.00 sep 8.0 mag 12.20,14.00
 
 
Coord 2000 20201+2334 Discov num BKO 641 Comp Coord arcsec 2000 20 20 08.99 +23 33 37.6
Date first 2000 Date last 2015 Obs 8
Pa first 99 Pa last 98.4 P.A. Now (θ) 98.4°
Sep first 7.8 Sep last 8.049 Sep. Now (ρ) 8.049"
Mag pri 12.20 Mag sec 14.00 delta mag (ΔM) 1.8 Spectral class
Pri motion ra -042 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1831857500844790912
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier20201+2338
coord_arcsec_2000202003.65+233817.2
Period (P)832.0012d (2.28y)± 50.1881 Periastron (T)48574.1094d (1991.867y)± 50.8726 Semi-major axis (a)14.95m± 1.45
Eccentricity (e)0.3255± 0.1375 Inclination (i)36.29°± 10.76 Longitude of periastron (ω)146.62°± 38.79
Node (Ω)97.88°± 21.03 Notesn ReferenceHIP1997d
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 81.8 0.019
2001-01-01 256.1 0.010
2002-01-01 60.5 0.018
2003-01-01 167.3 0.010
2004-01-01 33.3 0.015
2005-01-01 119.4 0.015
2006-01-01 352.7 0.012
2007-01-01 94.2 0.019
2008-01-01 297.1 0.011
2009-01-01 73.6 0.019
2010-01-01 220.7 0.009
2011-01-01 50.7 0.017
2012-01-01 142.8 0.012
2013-01-01 19.0 0.014
2014-01-01 108.1 0.017
2015-01-01 331.8 0.012
2016-01-01 85.8 0.019
2017-01-01 270.7 0.010
2018-01-01 65.0 0.018
2019-01-01 183.0 0.009
2020-01-01 39.4 0.016
2021-01-01 125.9 0.014
2022-01-01 2.0 0.013
2023-01-01 98.5 0.018
2024-01-01 308.9 0.011
2025-01-01 77.6 0.019
2026-01-01 238.8 0.009
2027-01-01 55.6 0.017
2028-01-01 153.5 0.011
2029-01-01 26.2 0.014
2030-01-01 113.3 0.016


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds20201%2B2338r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 20201+2334 BKO 641 : 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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20201+2334 BKO 641 2008 1 99 8.1 12.20 14.00 202008.99+233337.6
20201+2334 BKO 641 2015 4 99 8.0 12.20 14.00 202008.99+233337.6

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

 
 
WDS 20201+2334 BKO 641 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20201+2334 BKO 641 : MEASURES
 
 
No records found.

 
 
WDS 20201+2334 : VIRTUAL EYEPIECE
 
 

20201+2334 BKO 641A mag 12.2 20201+2334 BKO 641B sep 7.4 P.A. 99.20 mag 14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20201+2334 : ALADIN DSS IMAGE @ 20h 20m 08.99s +23° 33' 37.6"
 
 
 
 
WDS 20201+2334 BKO 641 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20201+2334  BKO 641 distance=0' 20203+2331  BKO 644 distance=4' 20199+2332  POU4374 distance=4' 20205+2334  POU4381 distance=5' 20205+2329  POU4385 distance=8' 20195+2337  POU4367 distance=10' 20205+2326  POU4382 distance=10' 20205+2342  POU4384 distance=10' 20196+2325  POU4371 distance=11' 20207+2341  POU4388 distance=12' 20203+2321  POU4380 distance=13' 20194+2323  POU4365 distance=15' 20191+2338  BKO 639 distance=15' 20191+2341  POU4360 distance=16' 20212+2324  POU4390 distance=18' 20203+2350  BKO 643 distance=18' 20202+2351  BKO 642 distance=18' 20189+2339  POU4359 distance=19' 20196+2317  POU4370 distance=19' 20212+2320  POU4391 distance=20' 20205+2353  POU4383AB distance=20' 20205+2353  BKO 645AC distance=20' 20205+2353  BKO 645AD distance=20' 20207+2353  BKO 646 distance=22' 20188+2322  TDT2159 distance=22' 20217+2337  POU4398 distance=23' 20217+2328  POU4396 distance=24' 20218+2337  POU4401 distance=24' 20216+2346  STF2672 distance=24' 20188+2319  POU4356 distance=24' 20217+2327  POU4397 distance=24' 20189+2351  POU4358 distance=25' 20184+2324  POU4353 distance=26' 20219+2327  POU4402 distance=26' 20182+2342  POU4346 distance=29' 20199+2402  POU4375 distance=29' 20182+2321  BKO 637 distance=30' 20222+2328  POU4407 distance=30' 20182+2319  POU4348AB distance=31' 20182+2319  SKF 291AC distance=31' 20224+2333  POU4412 distance=32' 20219+2356  BKO 440 distance=34' 20219+2355  POU4404 distance=34' 20177+2328  POU4345 distance=34' 20222+2352  POU4406 distance=35' 20225+2323  POU4413 distance=35' 20225+2346  POU4415 distance=36' 20227+2334  POU4416 distance=36' 20197+2408  BKO 640 distance=36' 20221+2357  POU4405 distance=37' 20224+2315  POU4411 distance=37' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20201+2334 BKO 641 98 8.0
Show 20203+2331 BKO 644 280 5.6 4
Show 20199+2332 POU4374 111 5.0 4
Show 20205+2334 POU4381 160 18.5 5
Show 20205+2329 POU4385 52 5.8 8
Show 20195+2337 POU4367 210 11.3 10
Show 20205+2326 POU4382 284 12.7 10
Show 20205+2342 POU4384 12 11.4 10
Show 20196+2325 POU4371 318 11.1 11
Show 20207+2341 POU4388 159 10.6 12
Show 20203+2321 POU4380 277 12.9 13
Show 20194+2323 POU4365 104 18.7 15
Show 20191+2338 BKO 639 323 9.9 15
Show 20191+2341 POU4360 255 8.9 16
Show 20212+2324 POU4390 127 8.3 18
Show 20203+2350 BKO 643 147 2.5 18
Show 20202+2351 BKO 642 31 8.5 18
Show 20189+2339 POU4359 354 12.9 19
Show 20196+2317 POU4370 7 11.5 19
Show 20212+2320 POU4391 252 11.4 20
Show 20205+2353 POU4383 AB 122 6.9 20
Show 20205+2353 BKO 645 AC 229 5.7 20
Show 20205+2353 BKO 645 AD 45 11.8 20
Show 20207+2353 BKO 646 146 6.1 22
Show 20188+2322 TDT2159 62 0.9 22
Show 20217+2337 POU4398 229 18.1 23
Show 20217+2328 POU4396 339 15.2 24
Show 20218+2337 POU4401 154 17.6 24
Show 20216+2346 STF2672 350 0.6 24
Show 20188+2319 POU4356 46 5.0 24
Show 20217+2327 POU4397 31 12.3 24
Show 20189+2351 POU4358 150 18.2 25
Show 20184+2324 POU4353 4.8 26
Show 20219+2327 POU4402 80 12.5 26
Show 20182+2342 POU4346 293 16.7 29
Show 20199+2402 POU4375 31 7.6 29
Show 20182+2321 BKO 637 67 6.1 30
Show 20222+2328 POU4407 167 10.4 30
Show 20182+2319 POU4348 AB 164 28.8 31
Show 20182+2319 SKF 291 AC 24 5.1 31
Show 20224+2333 POU4412 79 13.1 32
Show 20219+2356 BKO 440 217 4.4 34
Show 20219+2355 POU4404 254 15.2 34
Show 20177+2328 POU4345 106 13.2 34
Show 20222+2352 POU4406 12 4.8 35
Show 20225+2323 POU4413 154 17.1 35
Show 20225+2346 POU4415 87 9.6 36
Show 20227+2334 POU4416 172 6.1 36
Show 20197+2408 BKO 640 356 10.3 36
Show 20221+2357 POU4405 46 1.7 37
Show 20224+2315 POU4411 154 11.2 37

 
 
WDS 20201+2334 : COMPONENTS
 
 
  A
B pa=99.2°
sep=7.39"
 
 
20201+2334 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202008.99+233337.6 Mag 12.2 PmRA -42.00
PmDE 8.0
 
 
20201+2334 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202009.52+233336.4 Mag 14 Calc delta mag 1.8
Calc coord yes