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Current system
20121+4402
BRT 2256
HD 192242


Nearby doubles
21' : 20102+4357
STT 400

32' : 20093+4353
ES 1438

34' : 20130+4433
A 723

36' : 20088+4355
TDT2018

43' : 20137+4323
BU 660AB

46' : 20157+4339
A 2095AB

49' : 20077+4349
TDT2001

49' : 20104+4447
TDT2046

50' : 20105+4316
ROE 41

53' : 20161+4432
BRT2258

54' : 20165+4339
ES 1439

55' : 20079+4330
STJ 94

58' : 20167+4335
FOX 251

59' : 20169+4337
FOX 252

59' : 20068+4417
KOI1137AB

60' : 20166+4437
TDT2135

61' : 20069+4425
KOI2529

61' : 20068+4423
KOI7033

64' : 20123+4505
ES 1268

65' : 20063+4414
KOI4567

65' : 20156+4454
TDT2125

68' : 20060+4348
TDT1973

68' : 20063+4427
TB 1AB

69' : 20159+4307
BRT2257

72' : 20124+4513
ES 1269

72' : 20056+4419
KOI1135AB



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

20121+4402 BRT 2256 (HD 192242)

 
 
20h 12m 05.18s +44° 01' 52.2" P.A. 26.00 sep 3.3 mag 11.20,12.40 Sp A
 
 
Coord 2000 20121+4402 Discov num BRT2256 Comp Coord arcsec 2000 20 12 05.18 +44 01 52.2
Date first 1892 Date last 2018 Obs 6
Pa first 28 Pa last 26.1 P.A. Now (θ) 26.1°
Sep first 3.2 Sep last 3.272 Sep. Now (ρ) 3.272"
Mag pri 11.20 Mag sec 12.40 delta mag (ΔM) 1.2 Spectral class A (white)
Pri motion ra -016 Sec motion ra
Pri motion dec -030 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192242 Constellation Cygnus Tycho2 3163-00987-1 Gaia DR2 2081158808816792704
HD 192242
 
 
WDS 20121+4402 BRT 2256 (HD 192242) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 BRT Barton, S.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20121+4402 BRT2256 2006 3 25 3.3 9.20 9.70 A 201205.18+440152.2
20121+4402 BRT2256 2015 5 27 3.3 11.20 12.40 A 201205.18+440152.2
20121+4402 BRT2256 2018 6 27 3.3 11.20 12.40 A 201205.18+440152.2

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

 
 
WDS 20121+4402 BRT 2256 (HD 192242) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20121+4402 BRT 2256 (HD 192242) : MEASURES
 
 
No records found.

 
 
WDS 20121+4402 (HD 192242) : VIRTUAL EYEPIECE
 
 

20121+4402 BRT2256A mag 11.2 Sp A 20121+4402 BRT2256B sep 3.1 P.A. 19.40 mag 12.4 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+4402 (HD 192242) : ALADIN DSS IMAGE @ 20h 12m 05.18s +44° 01' 52.2"
 
 
 
 
WDS 20121+4402 BRT 2256 (HD 192242) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20121+4402 BRT2256 distance=0' 20102+4357 STT 400 distance=21' 20093+4353 ES 1438 distance=32' 20130+4433 A 723 distance=34' 20088+4355 TDT2018 distance=36' 20137+4323 BU 660AB distance=43' 20137+4323 BU 660AC distance=43' 20137+4323 FOX 250AD distance=43' 20157+4339 FOX 39DE distance=45' 20157+4339 A 2095DF distance=45' 20157+4339 A 2095AB distance=46' 20157+4339 STF2659AB,C distance=46' 20157+4339 STF2659AB,D distance=46' 20077+4349 TDT2001 distance=49' 20104+4447 TDT2046 distance=49' 20105+4316 ROE 41 distance=50' 20161+4432 BRT2258 distance=53' 20165+4339 ES 1439 distance=54' 20079+4330 STJ 94 distance=55' 20167+4335 FOX 251 distance=58' 20169+4337 FOX 252 distance=59' 20068+4417 KOI1137AB distance=59' 20068+4417 KOI1137AC distance=59' 20166+4437 TDT2135 distance=60' 20069+4425 KOI2529 distance=61' 20068+4423 KOI7033 distance=61' 20123+4505 ES 1268 distance=64' 20063+4414 KOI4567 distance=65' 20156+4454 TDT2125 distance=65' 20060+4348 TDT1973 distance=68' 20063+4427 TB 1AB distance=68' 20063+4427 TB 1AC distance=68' 20063+4427 TB 1AD distance=68' 20159+4307 BRT2257 distance=69' 20124+4513 ES 1269 distance=72' 20056+4419 KOI1135AB distance=72' 20056+4419 KOI1135AC distance=72' 20051+4415 KOI3318AB distance=77' 20051+4415 KOI3318AC distance=77' 20051+4415 KOI3318AD distance=77' 20179+4319 ES 1440 distance=77' 20060+4443 KOI5556AB distance=77' 20060+4443 KOI5556AC distance=77' 20054+4430 KOI1253 distance=77' 20159+4257 ROE 42 distance=78' 20054+4431 KOI7051 distance=78' 20090+4252 OSO 118AB distance=78' 20090+4252 OSO 118AC distance=78' 20049+4408 KOI7005 distance=79' 20187+4329 TDT2158 distance=79' 20151+4249 A 388 distance=81' 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+4402 BRT2256 26 3.3 0
Show 20102+4357 STT 400 329 0.7 21
Show 20093+4353 ES 1438 42 5.0 32
Show 20130+4433 A 723 169 0.4 34
Show 20088+4355 TDT2018 121 1.3 36
Show 20137+4323 BU 660 AB 318 8.7 43
Show 20137+4323 BU 660 AC 190 58.2 43
Show 20137+4323 FOX 250 AD 279 31.5 43
Show 20157+4339 FOX 39 DE 135 1.4 45
Show 20157+4339 A 2095 DF 48 7.6 45
Show 20157+4339 A 2095 AB 333 0.2 46
Show 20157+4339 STF2659 AB,C 311 2.7 46
Show 20157+4339 STF2659 AB,D 251 20.5 46
Show 20077+4349 TDT2001 327 0.5 49
Show 20104+4447 TDT2046 111 0.9 49
Show 20105+4316 ROE 41 338 6.0 50
Show 20161+4432 BRT2258 6 2.8 53
Show 20165+4339 ES 1439 30 1.7 54
Show 20079+4330 STJ 94 162 1.2 55
Show 20167+4335 FOX 251 279 5.5 58
Show 20169+4337 FOX 252 246 18.6 59
Show 20068+4417 KOI1137 AB 197 0.8 59
Show 20068+4417 KOI1137 AC 194 3.8 59
Show 20166+4437 TDT2135 38 0.9 60
Show 20069+4425 KOI2529 350 0.4 61
Show 20068+4423 KOI7033 153 2.3 61
Show 20123+4505 ES 1268 150 8.2 64
Show 20063+4414 KOI4567 142 1.3 65
Show 20156+4454 TDT2125 257 2.3 65
Show 20060+4348 TDT1973 335 0.5 68
Show 20063+4427 TB 1 AB 96 2.0 68
Show 20063+4427 TB 1 AC 256 3.8 68
Show 20063+4427 TB 1 AD 233 2.8 68
Show 20159+4307 BRT2257 101 3.4 69
Show 20124+4513 ES 1269 34 5.2 72
Show 20056+4419 KOI1135 AB 257 2.6 72
Show 20056+4419 KOI1135 AC 354 3.6 72
Show 20051+4415 KOI3318 AB 318 3.0 77
Show 20051+4415 KOI3318 AC 99 3.1 77
Show 20051+4415 KOI3318 AD 134 3.4 77
Show 20179+4319 ES 1440 256 2.6 77
Show 20060+4443 KOI5556 AB 249 3.2 77
Show 20060+4443 KOI5556 AC 163 3.4 77
Show 20054+4430 KOI1253 159 3.5 77
Show 20159+4257 ROE 42 91 6.1 78
Show 20054+4431 KOI7051 112 3.4 78
Show 20090+4252 OSO 118 AB 150 12.2 78
Show 20090+4252 OSO 118 AC 237 21.2 78
Show 20049+4408 KOI7005 203 3.5 79
Show 20187+4329 TDT2158 164 1.8 79
Show 20151+4249 A 388 36 0.7 81

 
 
WDS 20121+4402 : COMPONENTS
 
 
  A
B pa=19.4°
sep=3.12"
 
 
20121+4402 A
 
 
Name HD 192242 Coord arcsec 2000 201205.18+440152.2 Mag 11.2 Spectral class A (white)
PmRA -16.00 PmDE -30.0 Tycho2 3163-00987-1 HD 192242
Tycho2
Tycho2 3163-00987-1 Pflag RAmdeg 303.02164442 DEmdeg 44.03121456
PmRA -2.4 PmDE -13.1 E RAmdeg 33 E DEmdeg 34
E pmRA 2.3 E pmDE 2.2 EpRAm 1986.19 EpDEm 1986.57
Num 3 Q RAmdeg 7.3 Q DEmdeg 9.4 Q pmRA 7.2
Q pmDE 9.1 BTmag 11.484 E BTmag 0.066 VTmag 11.199
E VTmag 0.080 Prox 999 TYC T HIP
CCDM RAdeg 303.02156944 DEdeg 44.03118417 EpRA 1990 1.49
EpDE 1990 1.53 E RAdeg 46.2 E DEdeg 43.2 Posflg
Corr 0.1
CCDM
Ccdm 20121+4402 RComp Comp A Note1
Note2 Discov num DRAs -0.80 DDEs -7.3
R dRAs 65 Year Theta Rho
Obs 2 Vmag 9.2 Sp A PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20088N4344A
HIC
 
 
20121+4402 B
 
 
Coord arcsec 2000 201205.28+440155.1 Mag 12.4 Calc delta mag 1.2 Calc coord yes
CCDM
Ccdm 20121+4402 RComp Comp B Note1
Note2 Discov num BRT2256 DRAs DDEs
R dRAs Year 1892 Theta 029 Rho 3.1
Obs 1 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20088N4344B
HIC