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Current system
21237+2519
BKO 894


Nearby doubles
6' : 21241+2519
BU 447AB

18' : 21246+2532
KPP2335

26' : 21255+2510
POU5364AB

27' : 21256+2515
POU5368

29' : 21220+2502
POU5352

34' : 21240+2445
COU 231

37' : 21223+2449
POU5353AB

38' : 21256+2452
POU5367

38' : 21211+2507
POU5349

39' : 21228+2443
POU5354

40' : 21247+2555
GRV 463

40' : 21208+2525
POU5342

45' : 21209+2455
UC 4448

45' : 21239+2434
POU5358

46' : 21252+2600
TDT2952

48' : 21267+2456
POU5370

48' : 21215+2443
COU 730

51' : 21211+2443
UC 4452

53' : 21203+2453
POU5341

54' : 21205+2448
BKO 893

54' : 21250+2429
POU5362

55' : 21205+2554
GRV 450

57' : 21210+2435
POU5347

57' : 21194+2513
POU5332AB

58' : 21214+2610
J 1786

61' : 21196+2543
COU 728



Selections
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21237+2519 BKO 894

 
 
21h 23m 41.40s +25° 19' 02.8" P.A. 253.00 sep 4.9 mag 12.00,13.00
 
 
Coord 2000 21237+2519 Discov num BKO 894 Comp Coord arcsec 2000 21 23 41.40 +25 19 02.8
Date first 2009 Date last 2009 Obs 1
Pa first 253 Pa last 252.7 P.A. Now (θ) 252.7°
Sep first 4.9 Sep last 4.85 Sep. Now (ρ) 4.85"
Mag pri 12.00 Mag sec 13.00 delta mag (ΔM) 1 Spectral class
Pri motion ra +032 Sec motion ra
Pri motion dec +026 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1846532648167051648
 
 
WDS 21237+2519 BKO 894 : 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
21237+2519 BKO 894 2009 1 253 4.9 11.50 12.50 212341.40+251902.8

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

 
 
WDS 21237+2519 BKO 894 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21237+2519 BKO 894 : MEASURES
 
 
No records found.

 
 
WDS 21237+2519 : VIRTUAL EYEPIECE
 
 

21237+2519 BKO 894A mag 12 21237+2519 BKO 894B sep 4.4 P.A. 251.00 mag 13 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21237+2519 : ALADIN DSS IMAGE @ 21h 23m 41.40s +25° 19' 02.8"
 
 
 
 
WDS 21237+2519 BKO 894 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21237+2519 BKO 894 distance=1' 21241+2519 BU 447AB distance=6' 21241+2519 BU 447AC distance=6' 21241+2519 BU 447AD distance=6' 21241+2519 BU 447AE distance=6' 21241+2519 BU 447AF distance=6' 21246+2532 KPP2335 distance=18' 21255+2510 POU5364AB distance=26' 21255+2510 POU5365AC distance=26' 21256+2515 POU5368 distance=27' 21220+2502 POU5352 distance=29' 21240+2445 COU 231 distance=34' 21223+2449 TDT2931Aa,Ab distance=37' 21223+2449 POU5353AB distance=37' 21256+2452 POU5367 distance=38' 21211+2507 POU5349 distance=38' 21228+2443 POU5354 distance=39' 21247+2555 GRV 463 distance=40' 21208+2525 POU5342 distance=40' 21209+2455 UC 4448 distance=45' 21239+2434 POU5358 distance=45' 21252+2600 TDT2952 distance=46' 21267+2456 POU5370 distance=48' 21215+2443 COU 730 distance=48' 21211+2443 UC 4452 distance=51' 21203+2453 POU5341 distance=53' 21205+2448 BKO 893 distance=54' 21250+2429 POU5362 distance=54' 21205+2554 GRV 450 distance=55' 21210+2435 POU5347 distance=57' 21194+2513 POU5332AB distance=57' 21194+2513 POU5333AC distance=57' 21214+2610 J 1786 distance=58' 21196+2543 COU 728 distance=61' 21209+2426 POU5343 distance=63' 21240+2416 HJ 1641AB distance=63' 21240+2416 TOK 635AC distance=63' 21283+2515 POU5379 distance=63' 21210+2428 POU5345 distance=63' 21200+2440 POU5338 distance=64' 21213+2421 FYM 537 distance=65' 21217+2420 POU5351 distance=65' 21202+2604 GRV 448 distance=65' 21260+2422 COU 534Aa,Ab distance=65' 21260+2422 POU5369AB distance=65' 21189+2504 POU5330 distance=67' 21285+2501 POU5380 distance=68' 21288+2511 POU5382 distance=69' 21198+2435 BKO 892 distance=70' 21255+2414 POU5366 distance=71' 21199+2432 POU5337 distance=71' 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 21237+2519 BKO 894 253 4.9 1
Show 21241+2519 BU 447 AB 309 9.4 6
Show 21241+2519 BU 447 AC 193 58.3 6
Show 21241+2519 BU 447 AD 84 45.1 6
Show 21241+2519 BU 447 AE 116 65.3 6
Show 21241+2519 BU 447 AF 218 84.3 6
Show 21246+2532 KPP2335 311 19.9 18
Show 21255+2510 POU5364 AB 232 7.7 26
Show 21255+2510 POU5365 AC 265 9.8 26
Show 21256+2515 POU5368 129 17.3 27
Show 21220+2502 POU5352 69 11.2 29
Show 21240+2445 COU 231 123 0.5 34
Show 21223+2449 TDT2931 Aa,Ab 345 0.5 37
Show 21223+2449 POU5353 AB 175 13.3 37
Show 21256+2452 POU5367 64 15.6 38
Show 21211+2507 POU5349 181 15.7 38
Show 21228+2443 POU5354 192 15.6 39
Show 21247+2555 GRV 463 32 35.2 40
Show 21208+2525 POU5342 27 18.6 40
Show 21209+2455 UC 4448 196 30.3 45
Show 21239+2434 POU5358 46 17.3 45
Show 21252+2600 TDT2952 119 1.0 46
Show 21267+2456 POU5370 285 6.2 48
Show 21215+2443 COU 730 282 2.4 48
Show 21211+2443 UC 4452 116 56.1 51
Show 21203+2453 POU5341 73 14.0 53
Show 21205+2448 BKO 893 9 2.6 54
Show 21250+2429 POU5362 54 17.5 54
Show 21205+2554 GRV 450 138 51.0 55
Show 21210+2435 POU5347 17 19.0 57
Show 21194+2513 POU5332 AB 57 9.8 57
Show 21194+2513 POU5333 AC 186 9.5 57
Show 21214+2610 J 1786 222 6.1 58
Show 21196+2543 COU 728 50 1.5 61
Show 21209+2426 POU5343 139 6.5 63
Show 21240+2416 HJ 1641 AB 298 62.6 63
Show 21240+2416 TOK 635 AC 24 999.9 63
Show 21283+2515 POU5379 127 18.8 63
Show 21210+2428 POU5345 262 4.8 63
Show 21200+2440 POU5338 268 11.5 64
Show 21213+2421 FYM 537 173 5.1 65
Show 21217+2420 POU5351 145 17.2 65
Show 21202+2604 GRV 448 157 42.8 65
Show 21260+2422 COU 534 Aa,Ab 97 0.2 65
Show 21260+2422 POU5369 AB 46 14.3 65
Show 21189+2504 POU5330 166 16.9 67
Show 21285+2501 POU5380 313 11.1 68
Show 21288+2511 POU5382 25 12.2 69
Show 21198+2435 BKO 892 87 5.8 70
Show 21255+2414 POU5366 318 8.0 71
Show 21199+2432 POU5337 192 10.9 71

 
 
WDS 21237+2519 : COMPONENTS
 
 
  A
B pa=251.0°
sep=4.43"
 
 
21237+2519 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212341.40+251902.8 Mag 12 PmRA 32.00
PmDE 26.0
 
 
21237+2519 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212341.09+251901.4 Mag 13 Calc delta mag 1
Calc coord yes