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Current system
20123+3451
AG 249 AC


Nearby doubles
5' : 20124+3455
ABT9004

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SEI 987

8' : 20127+3456
TDT2090

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SEI1012

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SEI 977

14' : 20128+3439
TDT2091

17' : 20120+3436
HO 120AB

17' : 20133+3502
ARY 23AB

20' : 20119+3510
SEI 988

21' : 20106+3452
A 281AB

21' : 20129+3432
TDT2093

23' : 20117+3431
CRB 133

23' : 20120+3429
A 282AB

24' : 20139+3439
SEI1027

24' : 20129+3429
AG 250

28' : 20144+3501
COU2216

32' : 20103+3511
SEI 941

33' : 20116+3420
TDT2069

35' : 20096+3459
SEI 929

35' : 20150+3500
ES 205

35' : 20099+3509
BKO 99

36' : 20130+3416
LDS1035

37' : 20097+3510
SEI 937

37' : 20096+3506
TOB 173

38' : 20135+3526
COU2214AB

38' : 20113+3527
SEI 966



Selections
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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.

20123+3451 AG 249 AC

 
 
20h 12m 18.31s +34° 51' 10.7" P.A. 30.00 sep 13.0 mag 7.96,14.00 Sp K2V dist. 531.91 pc (1735.09 l.y.)
 
 
Coord 2000 20123+3451 Discov num AG  249 Comp AC Coord arcsec 2000 20 12 18.31 +34 51 10.7
Date first 1902 Date last 2015 Obs 7
Pa first 35 Pa last 29.8 P.A. Now (θ) 29.8°
Sep first 13.0 Sep last 12.955 Sep. Now (ρ) 12.955"
Mag pri 7.96 Mag sec 14.00 delta mag (ΔM) 6.04 Spectral class K2V (yellow-orange)
Pri motion ra +016 Sec motion ra -002
Pri motion dec -007 Sec motion dec -002
Notes W
rPM=1.07
This double is not physical.
 
 
20123+3451 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192164 69595 20 12 18 +34 51 11 AG 249 AB 2015 17 133 32.9 7.96 10.78 2.82
Show 69595 20 12 18 +34 51 11 AG 249 AC 2015 7 30 13.0 7.96 14.00 6.04 <===
Show 20 12 19 +34 51 22 AG 249 CD 2015 6 352 6.3 14.00 13.80 0.20
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69595 HIP 99562 Tycho2 2679-02011-1
Gaia DR2 2055751122339016064 HD 192164 BD BD+34 3910 Distance 531.91
Distance ly 1735.09
 
 
WDS 20123+3451 AG 249 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AG T Astronomische Gesellschaft (see also ref codes KR and WFD)
AG (Mean aperture 8in given in catalog for all AG_ codes)
AG_1903A T j AG - Leipzig 1903LicOB...2..115H
AG_1903A cited by Hussey (Lick Obs. Bull. 2, 115, 1903)
AG_1906A T - AG - Leipzig 1906QB821.B972.....
AG_1906A +Ma cited in BDS (Burnham Double Star Cat.), 1906
AG_1906B T - AG - Leipzig 1906MmRAS..56....1L
AG_1906B cited by Lewis (MemRAS 56, 1, 1906)
AG_1906C T - AG - Lund 1906QB821.B972.....
AG_1906C cited in BDS (Burnham Double Star Cat.), 1906
AG_1906D T - AG - Strasbourg 1906QB821.B972.....
AG_1906D cited by Burnham (Burnham Double Star Cat.), 1906
AG_1913A T - AG - Albany 1913QB811.B8.......
AG_1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913B T - AG - Berlin 1913QB811.B8.......
AG_1913B cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913C T - AG - Bonn 1913QB811.B8.......
AG_1913C cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913D T - AG - Cambridge, England 1913QB811.B8.......
AG_1913D cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913E T - AG - Christiania 1913QB811.B8.......
AG_1913E cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913F T - AG - Harvard 1913QB811.B8.......
AG_1913F cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913G T - AG - Helsingfors 1913QB811.B8.......
AG_1913G cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913H T - AG - Leiden 1913QB811.B8.......
AG_1913H cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913I T - AG - Leipzig 1913QB811.B8.......
AG_1913I cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913J T - AG - Lund 1913QB811.B8.......
AG_1913J cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913K T - AG - Strasbourg 1913QB811.B8.......
AG_1913K cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913L T - AG - Wien-Ottakring 1913QB811.B8.......
AG_1913L cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913M T - AG - Oxford 1913QB811.B8.......
AG_1913M cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1932A T - AG - Leipzig 1932QB821.A43......
AG_1932A cited in ADS (Aitken Double Star Cat.), 1932
AG_1932B T - AG - Berlin 1932QB821.A43......
AG_1932B cited in ADS (Aitken Double Star Cat.), 1932
AG_1932C T - AG - Helsingfors 1932QB821.A43......
AG_1932C cited in ADS (Aitken Double Star Cat.), 1932
AG_1932D T - AG - Bonn 1932QB821.A43......
AG_1932D cited in ADS (Aitken Double Star Cat.), 1932
AG_1932E T - AG - Lund 1932QB821.A43......
AG_1932E cited in ADS (Aitken Double Star Cat.), 1932
AG_1932F T - AG - Cambridge, England 1932QB821.A43......
AG_1932F cited in ADS (Aitken Double Star Cat.), 1932
AG_1932G T - AG - Oxford 1932QB821.A43......
AG_1932G cited in ADS (Aitken Double Star Cat.), 1932
AG_2002A T - AG 2002yCat.1275....0D
AG_2002A cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20123+3451 AG 249 AC 2000 2 32 13.0 7.96 14.00 201218.31+345110.7
20123+3451 AG 249 AC 2002 3 31 13.0 7.96 14.00 201218.31+345110.7
20123+3451 AG 249 AC 2015 3 30 12.9 7.96 14.00 K2V 201218.31+345110.7

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

 
 
WDS 20123+3451 AG 249 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20123+3451 AG 249 AC : MEASURES
 
 
No records found.

 
 
WDS 20123+3451 : VIRTUAL EYEPIECE
 
 

20123+3451 AG 249A mag 7.96 Sp K2V 20123+3451 AG 249B sep 29.8 P.A. 138.40 mag 10.78 20123+3451 AG 249C sep 13.0 P.A. 31.40 mag 14 20123+3451 AG 249D sep 18.3 P.A. 19.20 mag 13.8 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 20123+3451 : ALADIN DSS IMAGE @ 20h 12m 18.31s +34° 51' 10.7"
 
 
 
 
WDS 20123+3451 AG 249 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20123+3451 AG 249AC distance=0' 20123+3451 AG 249CD distance=1' 20124+3455 ABT9004 distance=5' 20120+3454 SEI 987 distance=5' 20127+3456 TDT2090 distance=8' 20130+3450 SEI1012 distance=10' 20117+3458 SEI 977 distance=10' 20128+3439 TDT2091 distance=14' 20120+3436 HO 120AB distance=17' 20120+3436 HO 120AC distance=17' 20133+3502 ARY 23AB distance=17' 20133+3502 SKF2392BD distance=18' 20133+3502 ARY 23BC distance=18' 20119+3510 SEI 988 distance=20' 20106+3452 A 281AB distance=21' 20106+3452 ARN 96AC distance=21' 20129+3432 TDT2093 distance=21' 20117+3431 CRB 133 distance=23' 20120+3429 A 282AB distance=23' 20120+3429 HO 121AB,C distance=23' 20120+3429 HO 121AB,D distance=23' 20139+3439 SEI1027 distance=24' 20129+3429 AG 250 distance=24' 20144+3501 COU2216 distance=28' 20103+3511 SEI 941 distance=32' 20116+3420 TDT2069 distance=33' 20096+3459 SEI 929 distance=35' 20150+3500 ES 205 distance=35' 20099+3509 BKO 99 distance=35' 20130+3416 LDS1035 distance=36' 20097+3510 SEI 937 distance=37' 20096+3506 TOB 173 distance=37' 20135+3526 COU2214AB distance=38' 20135+3526 COU2214AC distance=38' 20113+3527 SEI 966 distance=38' 20142+3522 ES 204 distance=39' 20095+3431 TOB 172 distance=40' 20131+3411 STTA203 distance=41' 20089+3450 SEI 918 distance=42' 20107+3529 RAO 427 distance=43' 20114+3532 TDT2064 distance=43' 20144+3524 ES 244BC distance=43' 20144+3524 ES 244AB distance=43' 20144+3524 ES 244CD distance=43' 20146+3522 SEI1040 distance=43' 20096+3519 COU2128 distance=43' 20158+3447 SEI1047 distance=45' 20086+3446 TDT2016 distance=46' 20144+3556 SEI1035 distance=47' 20090+3516 SEI 919 distance=47' 20103+3412 TDT2045 distance=48' 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 20123+3451 AG 249 AB 133 32.9
Show 20123+3451 AG 249 AC 30 13.0
Show 20123+3451 AG 249 CD 352 6.3 1
Show 20124+3455 ABT9004 5 27.9 5
Show 20120+3454 SEI 987 336 23.2 5
Show 20127+3456 TDT2090 256 0.5 8
Show 20130+3450 SEI1012 49 14.6 10
Show 20117+3458 SEI 977 39 15.2 10
Show 20128+3439 TDT2091 24 1.0 14
Show 20120+3436 HO 120 AB 111 1.2 17
Show 20120+3436 HO 120 AC 200 24.2 17
Show 20133+3502 ARY 23 AB 28 81.6 17
Show 20133+3502 SKF2392 BD 346 14.0 18
Show 20133+3502 ARY 23 BC 339 65.0 18
Show 20119+3510 SEI 988 3 3.8 20
Show 20106+3452 A 281 AB 172 4.2 21
Show 20106+3452 ARN 96 AC 314 63.6 21
Show 20129+3432 TDT2093 20 0.4 21
Show 20117+3431 CRB 133 113 10.7 23
Show 20120+3429 A 282 AB 207 0.3 23
Show 20120+3429 HO 121 AB,C 12 24.5 23
Show 20120+3429 HO 121 AB,D 11 42.0 23
Show 20139+3439 SEI1027 10 28.7 24
Show 20129+3429 AG 250 53 8.9 24
Show 20144+3501 COU2216 207 0.6 28
Show 20103+3511 SEI 941 156 27.5 32
Show 20116+3420 TDT2069 317 0.5 33
Show 20096+3459 SEI 929 31 20.9 35
Show 20150+3500 ES 205 198 7.1 35
Show 20099+3509 BKO 99 67 7.3 35
Show 20130+3416 LDS1035 193 17.3 36
Show 20097+3510 SEI 937 67 25.3 37
Show 20096+3506 TOB 173 186 15.6 37
Show 20135+3526 COU2214 AB 31 1.1 38
Show 20135+3526 COU2214 AC 263 3.4 38
Show 20113+3527 SEI 966 246 26.0 38
Show 20142+3522 ES 204 281 15.1 39
Show 20095+3431 TOB 172 108 8.5 40
Show 20131+3411 STTA203 37 88.4 41
Show 20089+3450 SEI 918 343 14.6 42
Show 20107+3529 RAO 427 126 0.5 43
Show 20114+3532 TDT2064 329 0.6 43
Show 20144+3524 ES 244 BC 17 4.9 43
Show 20144+3524 ES 244 AB 130 41.2 43
Show 20144+3524 ES 244 CD 304 4.1 43
Show 20146+3522 SEI1040 49 4.4 43
Show 20096+3519 COU2128 243 2.1 43
Show 20158+3447 SEI1047 163 21.0 45
Show 20086+3446 TDT2016 166 0.5 46
Show 20144+3556 SEI1035 198 15.4 47
Show 20090+3516 SEI 919 118 5.5 47

 
 
WDS 20123+3451 : COMPONENTS
 
 
  A B C
B pa=138.4°
sep=29.84"
 
C pa=31.4°
sep=13.00"
pa=338.6°
sep=35.86"
 
D pa=19.2°
sep=18.34"
pa=340.8°
sep=41.95"
pa=353.3°
sep=6.26"
 
 
20123+3451 A
 
 
Name HD 192164 Coord arcsec 2000 201218.31+345110.7 Mag 7.96 Spectral class K2V (yellow-orange)
PmRA 16.00 PmDE -7.0 SAO 69595 HIP 99562
Tycho2 2679-02011-1 HD 192164 BD BD+34 3910
Tycho2
Tycho2 2679-02011-1 Pflag RAmdeg 303.07628548 DEmdeg 34.85297903
PmRA 17.1 PmDE -5.2 E RAmdeg 6 E DEmdeg 6
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.21 EpDEm 1991.30
Num 7 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.7 BTmag 9.726 E BTmag 0.021 VTmag 7.958
E VTmag 0.011 Prox 333 TYC T HIP 99562
CCDM RAdeg 303.07623667 DEdeg 34.85299083 EpRA 1990 1.56
EpDE 1990 1.66 E RAdeg 6.3 E DEdeg 6.0 Posflg
Corr 0.0
SAO
SAO 69595 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 -0.007 Vmag 8 SpType K2
Double code Source 6 CatNum 1993 DM BD+34 3910
DMcomp BDsup HD 192164 M HD 0
GC RA1950rad 5.28132476 DE1950rad 0.60566531 PmRA2000 0.0007
PmDE2000 -0.009
Hipparcos
Catalog H HIP 99562 Proxy RAhms 20 12 18.30
DEdms +34 51 10.8 Vmag 7.81 VarFlag R Vmag G
RAdeg 303.076 DEdeg 34.853 AstroRef Plx 1.89
CCDM 20123+3451 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 192164 BD BD+34 3910
CD CP Dm number +34 3910 VIred 1.53
SpType K2V R SpType Coord arcsec 2000 201218.30+345110.8
Hipparcos 2
HIP 99562 Sn 5 So 0 Nc 1
RArad 5.2896781243 DErad 0.6082994186 Plx 1.88 PmRA 15.88
PmDE -7.06 E RArad 0.5 E DErad 0.62 E Plx 0.8
E pmRA 0.58 E pmDE 0.71 Hpmag 7.9344 E Hpmag 0.0012
SHp 0.015 VA 0 BV 1.5 E BV 0.015
VI 1.53
CCDM
Ccdm 20123+3451 RComp Comp A Note1
Note2 Discov num DRAs 0.33 DDEs 11.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp K2 PmNote *
PmRA 22 PmDE 6 Dm number +34 3910 Cat1 BD
Name2 +34 1993 Cat2 AGK2/3 HD 192164 M HD
ADS BDS M ADS BDS N IDS IDS 20085N3433A
HIC 99562
 
 
20123+3451 B
 
 
Coord arcsec 2000 201219.92+345048.4 Mag 10.78 PmRA 2.00 PmDE -2.0
Tycho2 2679-01919-1 Calc delta mag 2.82 Calc coord yes
Tycho2
Tycho2 2679-01919-1 Pflag RAmdeg 303.08453376 DEmdeg 34.84679453
PmRA 4.8 PmDE 4.9 E RAmdeg 64 E DEmdeg 39
E pmRA 2.5 E pmDE 2.5 EpRAm 1978.97 EpDEm 1983.10
Num 5 Q RAmdeg 0.3 Q DEmdeg 1.5 Q pmRA 0.3
Q pmDE 1.5 BTmag 11.688 E BTmag 0.079 VTmag 10.778
E VTmag 0.070 Prox 333 TYC T HIP
CCDM RAdeg 303.08451222 DEdeg 34.84673222 EpRA 1990 1.55
EpDE 1990 1.66 E RAdeg 93.1 E DEdeg 85.4 Posflg
Corr 0.0
CCDM
Ccdm 20123+3451 RComp Comp B Note1
Note2 Discov num AG 249 DRAs DDEs
R dRAs Year 1902 Theta 132 Rho 34.5
Obs 2 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20085N3433B
HIC
 
 
20123+3451 C
 
 
Coord arcsec 2000 201218.86+345121.8 Coord calc 201218.86+345121.8 Mag 14 PmRA -2.00
PmDE -2.0 Calc delta mag 6.04
 
 
20123+3451 D
 
 
Coord arcsec 2000 201218.80+345128.0 Mag 13.8 Calc delta mag 5.84 Calc coord yes