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Doubles in session


Current system
20418+3553
HJ 1560 AC


Nearby doubles
10' : 20423+3601
TDT2481

14' : 20430+3555
HJ 1568

18' : 20406+3603
SEI1213

22' : 20401+3551
SEI1211

26' : 20435+3609
ES 2195AB

27' : 20434+3535
ISM 5AB

29' : 20417+3622
SEI1217

32' : 20394+3541
TOB 194

36' : 20391+3543
SEI1205

37' : 20389+3546
TDT2450

38' : 20414+3515
COU1964

38' : 20411+3516
COU1963AB

39' : 20448+3542
SEI1234

40' : 20444+3617
GII 53

40' : 20450+3600
ALI 204

42' : 20415+3635
SEI1216

43' : 20391+3619
SEI1206

44' : 20423+3637
SEI1224

45' : 20416+3637
SEI1218

47' : 20422+3510
POP 9

47' : 20381+3601
HJ 1553

47' : 20451+3529
COU1809

48' : 20452+3531
SEI1237

48' : 20449+3524
SEI1235

49' : 20403+3508
TDT2460

52' : 20376+3559
LSC 92



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Triple Systems
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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20418+3553 HJ 1560 AC

 
 
20h 41m 49.14s +35° 53' 16.6" P.A. 74.00 sep 24.3 mag 9.72,13.90 Sp A5
 
 
Coord 2000 20418+3553 Discov num HJ 1560 Comp AC Coord arcsec 2000 20 41 49.14 +35 53 16.6
Date first 1828 Date last 2015 Obs 9
Pa first 70 Pa last 74.1 P.A. Now (θ) 74.1°
Sep first 10.0 Sep last 24.343 Sep. Now (ρ) 24.343"
Mag pri 9.72 Mag sec 13.90 delta mag (ΔM) 4.18 Spectral class A5 (white)
Pri motion ra +008 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20418+3553 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 70390 20 41 49 +35 53 17 HJ 1560 AB 2015 14 248 12.8 9.72 11.90 2.18
Show 70390 20 41 49 +35 53 17 HJ 1560 AC 2015 9 74 24.3 9.72 13.90 4.18 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 70390 Gaia DR2 1870466473694557184
 
 
WDS 20418+3553 HJ 1560 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20418+3553 HJ 1560 AC 1998 2 74 24.5 9.72 13.90 D 204149.14+355316.6
20418+3553 HJ 1560 AC 2002 4 74 24.5 9.72 13.90 D 204149.14+355316.6
20418+3553 HJ 1560 AC 2015 5 74 24.4 9.72 13.90 A5 204149.14+355316.6

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

 
 
WDS 20418+3553 HJ 1560 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20418+3553 HJ 1560 AC : MEASURES
 
 
No records found.

 
 
WDS 20418+3553 : VIRTUAL EYEPIECE
 
 

20418+3553 HJ 1560A mag 9.72 Sp A5 20418+3553 HJ 1560B sep 12.8 P.A. 248.10 mag 11.9 20418+3553 HJ 1560C sep 24.3 P.A. 74.10 mag 13.9 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 20418+3553 : ALADIN DSS IMAGE @ 20h 41m 49.14s +35° 53' 16.6"
 
 
 
 
WDS 20418+3553 HJ 1560 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20418+3553 HJ 1560AB distance=1' 20418+3553 HJ 1560AC distance=1' 20423+3601 TDT2481 distance=10' 20430+3555 HJ 1568 distance=14' 20406+3603 SEI1213 distance=18' 20401+3551 SEI1211 distance=22' 20435+3609 ES 2195AB distance=26' 20435+3609 ES 2195BC distance=26' 20434+3535 ISM 5AB distance=27' 20434+3535 EVS 44AC distance=27' 20434+3535 EVS 44AD distance=27' 20417+3622 SEI1217 distance=29' 20394+3541 TOB 194 distance=32' 20391+3543 SEI1205 distance=36' 20389+3546 TDT2450 distance=37' 20414+3515 COU1964 distance=38' 20411+3516 COU1963AB distance=38' 20411+3516 COU1963AB,C distance=38' 20411+3516 COU1963AB,D distance=38' 20448+3542 SEI1234 distance=39' 20444+3617 GII 53 distance=40' 20450+3600 ALI 204 distance=40' 20415+3635 SEI1216 distance=42' 20391+3619 SEI1206 distance=43' 20423+3637 SEI1224 distance=44' 20416+3637 SEI1218 distance=45' 20422+3510 POP 9 distance=47' 20381+3601 HJ 1553 distance=47' 20451+3529 COU1809 distance=47' 20452+3531 SEI1237 distance=48' 20449+3524 SEI1235 distance=48' 20403+3508 TDT2460 distance=49' 20376+3559 LSC 92 distance=52' 20460+3554 TDT2525 distance=52' 20460+3601 SEI1242 distance=52' 20414+3644 SEI1215 distance=52' 20431+3645 SEI1227 distance=54' 20462+3546 SEI1243AB distance=55' 20462+3546 TDT2529Aa,Ab distance=55' 20456+3521 TDT2520 distance=56' 20380+3523 TDT2437 distance=56' 20397+3644 SEI1209 distance=57' 20373+3541 ES 2251 distance=57' 20462+3533 ES 2252AB distance=58' 20462+3533 LMP 18AB,C distance=58' 20462+3533 LMP 18AB,D distance=58' 20465+3550 ES 2196 distance=59' 20424+3455 COU1965 distance=59' 20386+3509 POP 8 distance=60' 20462+3628 TDT2528 distance=64' 20410+3658 TDT2469 distance=66' 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 20418+3553 HJ 1560 AB 248 12.8 1
Show 20418+3553 HJ 1560 AC 74 24.3 1
Show 20423+3601 TDT2481 43 0.7 10
Show 20430+3555 HJ 1568 44 11.2 14
Show 20406+3603 SEI1213 243 29.3 18
Show 20401+3551 SEI1211 149 20.4 22
Show 20435+3609 ES 2195 AB 4 20.7 26
Show 20435+3609 ES 2195 BC 91 1.8 26
Show 20434+3535 ISM 5 AB 145 0.0 27
Show 20434+3535 EVS 44 AC 96 12.9 27
Show 20434+3535 EVS 44 AD 298 14.8 27
Show 20417+3622 SEI1217 245 15.1 29
Show 20394+3541 TOB 194 306 18.8 32
Show 20391+3543 SEI1205 74 20.4 36
Show 20389+3546 TDT2450 250 1.9 37
Show 20414+3515 COU1964 130 1.0 38
Show 20411+3516 COU1963 AB 0 0.2 38
Show 20411+3516 COU1963 AB,C 41 1.8 38
Show 20411+3516 COU1963 AB,D 48 1.6 38
Show 20448+3542 SEI1234 127 19.1 39
Show 20444+3617 GII 53 358 0.3 40
Show 20450+3600 ALI 204 307 11.5 40
Show 20415+3635 SEI1216 117 11.8 42
Show 20391+3619 SEI1206 149 26.6 43
Show 20423+3637 SEI1224 161 25.2 44
Show 20416+3637 SEI1218 226 12.8 45
Show 20422+3510 POP 9 342 4.5 47
Show 20381+3601 HJ 1553 192 11.5 47
Show 20451+3529 COU1809 102 0.7 47
Show 20452+3531 SEI1237 272 26.1 48
Show 20449+3524 SEI1235 77 9.4 48
Show 20403+3508 TDT2460 160 4.8 49
Show 20376+3559 LSC 92 105 0.1 52
Show 20460+3554 TDT2525 70 0.6 52
Show 20460+3601 SEI1242 214 23.6 52
Show 20414+3644 SEI1215 135 28.8 52
Show 20431+3645 SEI1227 168 15.0 54
Show 20462+3546 SEI1243 AB 203 16.2 55
Show 20462+3546 TDT2529 Aa,Ab 218 0.6 55
Show 20456+3521 TDT2520 16 0.4 56
Show 20380+3523 TDT2437 73 0.4 56
Show 20397+3644 SEI1209 15 21.4 57
Show 20373+3541 ES 2251 196 3.6 57
Show 20462+3533 ES 2252 AB 294 4.2 58
Show 20462+3533 LMP 18 AB,C 82 26.0 58
Show 20462+3533 LMP 18 AB,D 85 35.5 58
Show 20465+3550 ES 2196 70 5.6 59
Show 20424+3455 COU1965 278 0.4 59
Show 20386+3509 POP 8 195 3.7 60
Show 20462+3628 TDT2528 4 1.9 64
Show 20410+3658 TDT2469 353 2.9 66

 
 
WDS 20418+3553 : COMPONENTS
 
 
  A B
B pa=248.1°
sep=12.84"
 
C pa=74.1°
sep=24.34"
pa=72.0°
sep=37.13"
 
 
20418+3553 A
 
 
Coord arcsec 2000 204149.14+355316.6 Mag 9.72 Spectral class A5 (white) PmRA 8.00
PmDE 1.0 SAO 70390 DM BD+35 4220
SAO
SAO 70390 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 0.029 Vmag 9.2 SpType
Double code Source 5 CatNum 2077 DM BD+35 4220
DMcomp BDsup HD M HD
GC RA1950rad 5.40994558 DE1950rad 0.62322883 PmRA2000 -0.0008
PmDE2000 0.027
CCDM
Ccdm 20418+3553 RComp Comp A Note1
Note2 Discov num DRAs 0.95 DDEs 19.2
R dRAs 12 Year Theta Rho
Obs 3 Vmag 9.4 Sp PmNote
PmRA -24 PmDE 50 Dm number +35 4220 Cat1 BD
Name2 +35 2077 Cat2 AGK2/3 HD M HD
ADS BDS A14179 M ADS BDS N IDS IDS 20379N3532A
HIC
 
 
20418+3553 B
 
 
Coord arcsec 2000 204148.16+355311.8 Mag 11.9 PmRA -8.00 PmDE 0.0
Delta magnitude 2.18 Coordinate calculated yes
CCDM
Ccdm 20418+3553 RComp Comp B Note1
Note2 Discov num HJ 1560 DRAs DDEs
R dRAs Year 1933 Theta 250 Rho 12.7
Obs 3 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14179 M ADS BDS N IDS IDS 20379N3532B
HIC
 
 
20418+3553 C
 
 
Coord arcsec 2000 204151.07+355323.3 Mag 13.9 Delta magnitude 4.18 Coordinate calculated yes
CCDM
Ccdm 20418+3553 RComp Comp C Note1
Note2 Discov num HJ 1560 DRAs DDEs
R dRAs Year 1905 Theta 074 Rho 25.0
Obs 1 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14179 M ADS BDS N IDS IDS 20379N3532C
HIC