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Current system
20472+4225
STT 414 AB
HD 198195


Nearby doubles
22' : 20477+4204
BU 268

22' : 20479+4204
ES 1573

39' : 20442+4206
ES 1572

42' : 20508+4238
LDS2457

44' : 20511+4224
BRT2277

48' : 20513+4238
A 614

50' : 20474+4314
TDT2539

53' : 20425+4235
GRV 369

60' : 20480+4126
ES 1681

61' : 20447+4131
MLB 25

65' : 20417+4202
ES 1570

66' : 20437+4318
ES 1447

66' : 20429+4311
ES 1446

68' : 20434+4131
HJ 1571

69' : 20519+4140
COU2428

70' : 20519+4309
GRV 389

70' : 20514+4134
LDS2460

70' : 20534+4208
LDS2464

71' : 20408+4231
CBL 84

72' : 20470+4335
GRV 380AB

72' : 20428+4132
ES 1571

72' : 20517+4317
LDS2461

72' : 20449+4332
ES 1448

73' : 20530+4258
COU2542

74' : 20510+4125
COU2427

75' : 20509+4123
LDS2458



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.

20472+4225 STT 414 AB (HD 198195)

 
 
20h 47m 09.92s +42° 24' 35.4" P.A. 95.00 sep 9.9 mag 7.43,8.93 Sp B7V dist. 353.36 pc (1152.66 l.y.)
 
 
Coord 2000 20472+4225 Discov num STT 414 Comp AB Coord arcsec 2000 20 47 09.92 +42 24 35.4
Date first 1847 Date last 2018 Obs 48
Pa first 94 Pa last 95.2 P.A. Now (θ) 95.2°
Sep first 9.3 Sep last 9.881 Sep. Now (ρ) 9.881"
Mag pri 7.43 Mag sec 8.93 delta mag (ΔM) 1.5 Spectral class B7V (blue-white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -001 Sec motion dec -001
Notes
Nature of this double is uncertain.
 
 
20472+4225 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 198195 50055 20 47 10 +42 24 35 STT 414 AB 2018 48 95 9.9 7.43 8.93 1.50 <===
Show 50055 20 47 10 +42 24 35 BOT 4 AC 2018 14 16 104.9 7.43 9.94 2.51
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198195 Constellation Cygnus SAO 50055 HIP 102570
Tycho2 3174-00786-1 Gaia DR2 2066664771658133120 HD 198195 GC 28987
BD BD+41 3884 Distance 353.36 Distance ly 1152.66
 
 
WDS 20472+4225 STT 414 AB (HD 198195) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bot1958 Po - Boettger, G. 1958AN....284..177B
Bot1958 AN 284, 177, 1958
Bot1962 Po - Boettger, G. .
Bot1962 Potsdam Obs. 30, Pt.4, 1962
Bot1965 Po j Boettger, G. 1965AN....288..203B
Bot1965 AN 288, 203, 1965
Bot1967 Po j Boettger, G. 1967AN....290...71B
Bot1967 AN 290, 71, 1967
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20472+4225 STT 414 AB 2002 40 94 9.9 7.43 8.93 B7V D 204709.92+422435.4
20472+4225 STT 414 AB 2012 43 94 9.9 7.43 8.93 B7V D 204709.92+422435.4
20472+4225 STT 414 AB 2018 45 95 9.9 7.43 8.93 B7V 204709.92+422435.4

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

 
 
WDS 20472+4225 STT 414 AB (HD 198195) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20472+4225 STT 414 AB (HD 198195) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 12/07/29 northisup easy 10.00   93.00     1 Relfix
 
 
WDS 20472+4225 (HD 198195) : VIRTUAL EYEPIECE
 
 

20472+4225 STT 414A mag 7.43 Sp B7V 20472+4225 STT 414B sep 7.3 P.A. 97.00 mag 8.93 20472+4225 BOT 4C sep 103.0 P.A. 12.00 mag 9.94 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 20472+4225 (HD 198195) : ALADIN DSS IMAGE @ 20h 47m 09.92s +42° 24' 35.4"
 
 
 
 
WDS 20472+4225 STT 414 AB (HD 198195) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20472+4225 STT 414AB distance=0' 20477+4204 BU 268 distance=22' 20479+4204 ES 1573 distance=22' 20442+4206 ES 1572 distance=39' 20508+4238 LDS2457 distance=42' 20511+4224 BRT2277 distance=44' 20513+4238 A 614 distance=48' 20474+4314 TDT2539 distance=50' 20425+4235 GRV 369 distance=53' 20480+4126 ES 1681 distance=60' 20447+4131 MLB 25 distance=61' 20417+4202 ES 1570 distance=65' 20437+4318 ES 1447 distance=66' 20429+4311 ES 1446 distance=66' 20434+4131 HJ 1571 distance=68' 20519+4140 COU2428 distance=69' 20519+4309 GRV 389 distance=70' 20514+4134 LDS2460 distance=70' 20534+4208 LDS2464 distance=70' 20408+4231 CBL 84 distance=71' 20470+4335 GRV 380AB distance=72' 20470+4335 GRV 380AC distance=72' 20428+4132 ES 1571 distance=72' 20517+4317 LDS2461 distance=72' 20449+4332 ES 1448 distance=72' 20530+4258 COU2542 distance=73' 20510+4125 COU2427 distance=74' 20509+4123 LDS2458 distance=75' 20525+4138 LDS2463 distance=75' 20455+4338 A 611 distance=76' 20452+4337 ES 1449 distance=76' 20524+4314 LDS2462 distance=77' 20508+4120 TDT2575 distance=77' 20428+4123 RAO 619 distance=79' 20473+4345 COU2425 distance=81' 20399+4221 FMR 159 distance=81' 20413+4314 BRT2270 distance=82' 20421+4125 COU2420 distance=83' 20534+4139 ES 1574 distance=83' 20476+4347 CHN 28 distance=83' 20547+4211 CVR 233 distance=85' 20396+4215 GNS 11 distance=85' 20444+4103 COU2423AB distance=87' 20444+4103 GRV 375AC distance=87' 20550+4219 LDS2467 distance=88' 20396+4202 A 399 distance=88' 20539+4139 BRT2280 distance=88' 20461+4353 GRV 378 distance=90' 20553+4218 OSO 137AB distance=91' 20553+4218 OSO 137AC distance=91' 20553+4218 OSO 137AD distance=91' 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 20472+4225 STT 414 AB 95 9.9
Show 20472+4225 BOT 4 AC 16 104.9
Show 20477+4204 BU 268 201 0.4 22
Show 20479+4204 ES 1573 39 5.0 22
Show 20442+4206 ES 1572 141 5.8 39
Show 20508+4238 LDS2457 106 5.1 42
Show 20511+4224 BRT2277 230 4.2 44
Show 20513+4238 A 614 333 1.5 48
Show 20474+4314 TDT2539 77 0.5 50
Show 20425+4235 GRV 369 26 24.8 53
Show 20480+4126 ES 1681 146 2.1 60
Show 20447+4131 MLB 25 207 5.7 61
Show 20417+4202 ES 1570 118 4.7 65
Show 20437+4318 ES 1447 308 2.4 66
Show 20429+4311 ES 1446 134 4.5 66
Show 20434+4131 HJ 1571 59 7.3 68
Show 20519+4140 COU2428 113 0.7 69
Show 20519+4309 GRV 389 190 61.9 70
Show 20514+4134 LDS2460 195 8.4 70
Show 20534+4208 LDS2464 331 43.8 70
Show 20408+4231 CBL 84 160 16.0 71
Show 20470+4335 GRV 380 AB 16 21.4 72
Show 20470+4335 GRV 380 AC 312 44.6 72
Show 20428+4132 ES 1571 39 7.4 72
Show 20517+4317 LDS2461 217 32.6 72
Show 20449+4332 ES 1448 142 2.0 72
Show 20530+4258 COU2542 199 0.1 73
Show 20510+4125 COU2427 312 0.5 74
Show 20509+4123 LDS2458 123 14.1 75
Show 20525+4138 LDS2463 151 27.8 75
Show 20455+4338 A 611 176 0.3 76
Show 20452+4337 ES 1449 57 6.7 76
Show 20524+4314 LDS2462 265 39.5 77
Show 20508+4120 TDT2575 4 2.6 77
Show 20428+4123 RAO 619 141 0.6 79
Show 20473+4345 COU2425 58 0.2 81
Show 20399+4221 FMR 159 76 135.7 81
Show 20413+4314 BRT2270 207 4.4 82
Show 20421+4125 COU2420 90 0.5 83
Show 20534+4139 ES 1574 158 1.4 83
Show 20476+4347 CHN 28 57 5.0 83
Show 20547+4211 CVR 233 235 61.5 85
Show 20396+4215 GNS 11 182 3.7 85
Show 20444+4103 COU2423 AB 180 0.3 87
Show 20444+4103 GRV 375 AC 197 31.4 87
Show 20550+4219 LDS2467 193 20.0 88
Show 20396+4202 A 399 82 0.9 88
Show 20539+4139 BRT2280 192 5.0 88
Show 20461+4353 GRV 378 135 35.3 90
Show 20553+4218 OSO 137 AB 116 10.8 91
Show 20553+4218 OSO 137 AC 225 11.6 91

 
 
WDS 20472+4225 : COMPONENTS
 
 
  A B
B pa=97.0°
sep=7.32"
 
C pa=12.0°
sep=103.00"
pa=8.0°
sep=102.62"
 
 
20472+4225 A
 
 
Name HD 198195 Coord arcsec 2000 204709.92+422435.4 Mag 7.43 Spectral class B7V (blue-white)
PmRA 5.00 PmDE -1.0 SAO 50055 HIP 102570
Tycho2 3174-00786-1 HD 198195 GC 28987 BD BD+41 3884
Tycho2
Tycho2 3174-00786-1 Pflag RAmdeg 311.79133790 DEmdeg 42.40984132
PmRA 6.1 PmDE 0.1 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.28 EpDEm 1991.58
Num 9 Q RAmdeg 1.5 Q DEmdeg 0.8 Q pmRA 1.6
Q pmDE 0.8 BTmag 7.357 E BTmag 0.015 VTmag 7.435
E VTmag 0.010 Prox 99 TYC T HIP 102570
CCDM A RAdeg 311.79131833 DEdeg 42.40984111 EpRA 1990 1.53
EpDE 1990 1.78 E RAdeg 4.4 E DEdeg 4.1 Posflg
Corr 0.0
SAO
SAO 50055 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.013 Vmag 7.1 SpType B9
Double code Source 70 CatNum 28987 DM BD+41 3884
DMcomp BDsup HD 198195 M HD 0
GC 28987 RA1950rad 5.43390852 DE1950rad 0.73697022 PmRA2000 0.0005
PmDE2000 0.01
Hipparcos
Catalog H HIP 102570 Proxy H RAhms 20 47 09.92
DEdms +42 24 35.4 Vmag 7.22 VarFlag R Vmag H
RAdeg 311.791 DEdeg 42.4098 AstroRef A Plx 1.44
CCDM 20472+4225 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 94 Rho 9.942 HD 198195 BD BD+41 3884
CD CP Dm number +41 3884 VIred -0.08
SpType B9III R SpType Coord arcsec 2000 204709.92+422435.4
Hipparcos 2
HIP 102570 Sn 15 So 3 Nc 2
RArad 5.4417850373 DErad 0.7401913731 Plx 2.83 PmRA 4.49
PmDE -0.01 E RArad 0.55 E DErad 0.59 E Plx 0.71
E pmRA 0.63 E pmDE 0.61 Hpmag 7.2089 E Hpmag 0.0018
SHp 0.021 VA 0 BV -0.049 E BV 0.008
VI -0.03
CCDM
Ccdm 20472+4225 RComp Comp A Note1
Note2 Discov num DRAs -2.06 DDEs -24.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.4 Sp B9 PmNote *
PmRA 8 PmDE -2 Dm number +41 3884 Cat1 BD
Name2 +42 1921 Cat2 AGK2/3 HD 198195 M HD
ADS BDS A14295 M ADS BDS N IDS IDS 20436N4202A
HIC 102570
 
 
20472+4225 B
 
 
Coord arcsec 2000 204710.58+422434.5 Mag 8.93 PmRA 5.00 PmDE -1.0
Tycho2 3174-01147-1 Calc delta mag 1.5 Calc coord yes
Tycho2
Tycho2 3174-01147-1 Pflag RAmdeg 311.79504964 DEmdeg 42.40965261
PmRA 5.5 PmDE -1.6 E RAmdeg 9 E DEmdeg 8
E pmRA 0.8 E pmDE 0.9 EpRAm 1990.18 EpDEm 1990.82
Num 8 Q RAmdeg 1.3 Q DEmdeg 0.5 Q pmRA 1.4
Q pmDE 0.6 BTmag 8.938 E BTmag 0.018 VTmag 8.932
E VTmag 0.016 Prox 99 TYC T HIP 102570
CCDM B RAdeg 311.79503222 DEdeg 42.40965611 EpRA 1990 1.56
EpDE 1990 1.71 E RAdeg 8.8 E DEdeg 8.0 Posflg
Corr -0.1
CCDM
Ccdm 20472+4225 RComp Comp B Note1
Note2 Discov num STT 414 DRAs -1.17 DDEs -25.4
R dRAs 10 Year 1848 Theta 095 Rho 10.0
Obs 14 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 +42 1922 Cat2 AGK2/3 HD M HD
ADS BDS A14295 M ADS BDS N IDS IDS 20436N4202B
HIC 102570
 
 
20472+4225 C
 
 
Coord arcsec 2000 204711.86+422616.1 Mag 9.94 PmRA 6.00 PmDE -1.0
Tycho2 3174-00639-1 Calc delta mag 2.51 Calc coord yes
Tycho2
Tycho2 3174-00639-1 Pflag RAmdeg 311.80196640 DEmdeg 42.43805205
PmRA 6.0 PmDE -1.4 E RAmdeg 15 E DEmdeg 17
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.75 EpDEm 1989.09
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 10.126 E BTmag 0.027 VTmag 9.940
E VTmag 0.031 Prox 518 TYC T HIP
CCDM RAdeg 311.80194556 DEdeg 42.43805417 EpRA 1990 1.71
EpDE 1990 1.76 E RAdeg 15.8 E DEdeg 18.5 Posflg
Corr 0.1
CCDM
Ccdm 20472+4225 RComp Comp C Note1
Note2 Discov num BOT DRAs DDEs
R dRAs Year 1958 Theta 016 Rho 105.6
Obs 1 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number +41 3885 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A14295 M ADS BDS N IDS IDS 20436N4202C
HIC