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Doubles in session


Current system
20121+3330
BKO 898


Nearby doubles
5' : 20120+3333
COU1631

7' : 20127+3330
FAL 67

11' : 20118+3321
TDT2075

14' : 20113+3338
COU1630

21' : 20105+3323
TOB 50

21' : 20106+3338
S 738AB

25' : 20132+3309
SKF1649

26' : 20108+3320
SEI 952

28' : 20099+3324
J 1163

32' : 20096+3325
HJ 1485

34' : 20104+3356
COU1629

39' : 20091+3339
STF2638

41' : 20094+3309
GIC 162

42' : 20134+3253
SHN 242

43' : 20095+3301
GRV 316

43' : 20153+3316
COU1808

43' : 20131+3411
STTA203

44' : 20154+3344
A 283

48' : 20103+3412
TDT2045

48' : 20130+3416
LDS1035

50' : 20083+3318
LDT 17

51' : 20116+3420
TDT2069

51' : 20081+3329
TDT2010

51' : 20090+3258
SEI 916

57' : 20094+3244
SEI 925

59' : 20160+3403
SMA 115



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.

20121+3330 BKO 898

 
 
20h 12m 07.78s +33° 30' 06.6" P.A. 65.00 sep 4.7 mag 10.82,13.10
 
 
Coord 2000 20121+3330 Discov num BKO 898 Comp Coord arcsec 2000 20 12 07.78 +33 30 06.6
Date first 1998 Date last 2016 Obs 5
Pa first 65 Pa last 65.2 P.A. Now (θ) 65.2°
Sep first 4.5 Sep last 4.725 Sep. Now (ρ) 4.725"
Mag pri 10.82 Mag sec 13.10 delta mag (ΔM) 2.28 Spectral class
Pri motion ra -034 Sec motion ra +121
Pri motion dec -017 Sec motion dec +050
Notes
rPM=1.29
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2675-01058-1 Gaia DR2 2055236413445270784
 
 
WDS 20121+3330 BKO 898 : 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
20121+3330 BKO 898 2009 3 69 4.7 10.82 13.10 201207.78+333006.6
20121+3330 BKO 898 2015 4 65 4.7 10.82 13.10 201207.78+333006.6
20121+3330 BKO 898 2016 5 65 4.7 10.82 13.10 201207.78+333006.6

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

 
 
WDS 20121+3330 BKO 898 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20121+3330 BKO 898 : MEASURES
 
 
No records found.

 
 
WDS 20121+3330 : VIRTUAL EYEPIECE
 
 

20121+3330 BKO 898A mag 10.82 20121+3330 BKO 898B sep 4.1 P.A. 61.00 mag 13.1 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 20121+3330 : ALADIN DSS IMAGE @ 20h 12m 07.78s +33° 30' 06.6"
 
 
 
 
WDS 20121+3330 BKO 898 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20121+3330 BKO 898 distance=0' 20120+3333 COU1631 distance=5' 20127+3330 FAL 67 distance=7' 20118+3321 TDT2075 distance=11' 20113+3338 COU1630 distance=14' 20106+3338 STT 541BC distance=21' 20105+3323 TOB 50 distance=21' 20106+3338 S 738AB distance=21' 20132+3309 SKF1649 distance=25' 20108+3320 SEI 952 distance=26' 20099+3324 J 1163 distance=28' 20096+3325 HJ 1485 distance=32' 20104+3356 COU1629 distance=34' 20091+3339 STF2638 distance=39' 20094+3309 GIC 162 distance=41' 20134+3253 SHN 242 distance=42' 20095+3301 GRV 316 distance=43' 20153+3316 COU1808 distance=43' 20131+3411 STTA203 distance=43' 20154+3344 A 283 distance=44' 20103+3412 TDT2045 distance=48' 20130+3416 LDS1035 distance=48' 20083+3318 LDT 17 distance=50' 20116+3420 TDT2069 distance=51' 20081+3329 TDT2010 distance=51' 20090+3258 SEI 916 distance=51' 20094+3244 SEI 925 distance=57' 20160+3403 SMA 115 distance=59' 20153+3412 DAM 205 distance=59' 20097+3240 SEI 933 distance=59' 20120+3429 A 282AB distance=59' 20120+3429 HO 121AB,C distance=59' 20120+3429 HO 121AB,D distance=59' 20150+3244 CVR 221 distance=59' 20129+3429 AG 250 distance=60' 20092+3243 TOB 171 distance=60' 20158+3409 TDT2127 distance=61' 20117+3431 CRB 133 distance=61' 20155+3415 GCB 51 distance=62' 20129+3432 TDT2093 distance=63' 20120+3227 SEI 984 distance=64' 20165+3406 J 785AB distance=65' 20165+3406 J 785AC distance=65' 20169+3307 OSO 122AB distance=65' 20169+3307 OSO 122AC distance=65' 20169+3307 OSO 122AD distance=65' 20158+3417 DAM 206 distance=66' 20120+3436 HO 120AB distance=66' 20120+3436 HO 120AC distance=66' 20068+3329 ES 2352BC distance=67' 20132+3225 SEI1015 distance=67' 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 20121+3330 BKO 898 65 4.7
Show 20120+3333 COU1631 329 0.4 5
Show 20127+3330 FAL 67 165 21.3 7
Show 20118+3321 TDT2075 104 2.6 11
Show 20113+3338 COU1630 66 0.1 14
Show 20106+3338 STT 541 BC 184 1.8 21
Show 20105+3323 TOB 50 269 31.9 21
Show 20106+3338 S 738 AB 106 42.4 21
Show 20132+3309 SKF1649 252 20.3 25
Show 20108+3320 SEI 952 194 5.9 26
Show 20099+3324 J 1163 281 2.4 28
Show 20096+3325 HJ 1485 276 4.7 32
Show 20104+3356 COU1629 155 1.5 34
Show 20091+3339 STF2638 69 14.0 39
Show 20094+3309 GIC 162 180 35.2 41
Show 20134+3253 SHN 242 -1 0.2 42
Show 20095+3301 GRV 316 36 27.8 43
Show 20153+3316 COU1808 209 1.1 43
Show 20131+3411 STTA203 37 88.4 43
Show 20154+3344 A 283 287 3.5 44
Show 20103+3412 TDT2045 131 0.8 48
Show 20130+3416 LDS1035 193 17.3 48
Show 20083+3318 LDT 17 238 0.4 50
Show 20116+3420 TDT2069 317 0.5 51
Show 20081+3329 TDT2010 55 0.9 51
Show 20090+3258 SEI 916 29 5.4 51
Show 20094+3244 SEI 925 338 22.9 57
Show 20160+3403 SMA 115 188 19.0 59
Show 20153+3412 DAM 205 359 8.6 59
Show 20097+3240 SEI 933 335 4.5 59
Show 20120+3429 A 282 AB 207 0.3 59
Show 20120+3429 HO 121 AB,C 12 24.5 59
Show 20120+3429 HO 121 AB,D 11 42.0 59
Show 20150+3244 CVR 221 56 35.9 59
Show 20129+3429 AG 250 53 8.9 60
Show 20092+3243 TOB 171 117 19.1 60
Show 20158+3409 TDT2127 344 0.8 61
Show 20117+3431 CRB 133 113 10.7 61
Show 20155+3415 GCB 51 215 2.9 62
Show 20129+3432 TDT2093 20 0.4 63
Show 20120+3227 SEI 984 324 3.3 64
Show 20165+3406 J 785 AB 25 2.7 65
Show 20165+3406 J 785 AC 12 10.2 65
Show 20169+3307 OSO 122 AB 11 16.2 65
Show 20169+3307 OSO 122 AC 271 20.9 65
Show 20169+3307 OSO 122 AD 117 22.5 65
Show 20158+3417 DAM 206 174 5.0 66
Show 20120+3436 HO 120 AB 111 1.2 66
Show 20120+3436 HO 120 AC 200 24.2 66
Show 20068+3329 ES 2352 BC 248 4.3 67
Show 20132+3225 SEI1015 67 14.4 67

 
 
WDS 20121+3330 : COMPONENTS
 
 
  A
B pa=61.0°
sep=4.09"
 
 
20121+3330 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201207.78+333006.6 Mag 10.82 PmRA -34.00
PmDE -17.0 Tycho2 2675-01058-1
Tycho2
Tycho2 2675-01058-1 Pflag RAmdeg 303.03243028 DEmdeg 33.50181048
PmRA -2.4 PmDE -11.5 E RAmdeg 55 E DEmdeg 48
E pmRA 2.6 E pmDE 2.5 EpRAm 1985.09 EpDEm 1986.63
Num 4 Q RAmdeg 1.8 Q DEmdeg 2.0 Q pmRA 1.8
Q pmDE 2.0 BTmag 12.439 E BTmag 0.190 VTmag 10.958
E VTmag 0.065 Prox 999 TYC T HIP
CCDM RAdeg 303.03243361 DEdeg 33.50183722 EpRA 1990 1.48
EpDE 1990 1.68 E RAdeg 57.5 E DEdeg 50.1 Posflg
Corr 0.2
 
 
20121+3330 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201208.07+333008.6 Mag 13.1 PmRA 121.00
PmDE 50.0 Calc delta mag 2.28 Calc coord yes