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Current system
21189+4102
HO 601 AB


Nearby doubles
4' : 21192+4102
HO 602

7' : 21193+4108
TDT2901

17' : 21195+4048
TDT2903

29' : 21164+4110
ES 1689

32' : 21161+4101
COU2229

33' : 21165+4046
ES 1690

33' : 21217+4053
ES 1691

33' : 21209+4127
HO 156AB

36' : 21192+4026
LDS2508AB

37' : 21219+4049
GRV 456

39' : 21183+4140
COU2302AB

40' : 21163+4129
ES 1688

42' : 21176+4023
LDS2505

44' : 21169+4140
POP 186AB

47' : 21174+4020
SEI1492

48' : 21170+4020
SEI1487

48' : 21157+4135
POP 170

49' : 21204+4017
RAO 451

50' : 21168+4019
TOB 219

53' : 21143+4109
STT 432

54' : 21228+4031
HO 287

56' : 21144+4124
LDS2499

57' : 21140+4051
KPP1300

58' : 21209+4010
UC 259AB

58' : 21145+4036
COU2227

58' : 21169+4009
COU1972



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

21189+4102 HO 601 AB

 
 
21h 18m 55.32s +41° 02' 25.9" P.A. 176.00 sep 17.1 mag 6.20,12.70 Sp A5IV dist. 617.28 pc (2013.57 l.y.)
 
 
Coord 2000 21189+4102 Discov num HO  601 Comp AB Coord arcsec 2000 21 18 55.32 +41 02 25.9
Date first 1895 Date last 2015 Obs 8
Pa first 181 Pa last 176.1 P.A. Now (θ) 176.1°
Sep first 17.1 Sep last 17.072 Sep. Now (ρ) 17.072"
Mag pri 6.20 Mag sec 12.70 delta mag (ΔM) 6.5 Spectral class A5IV (white)
Pri motion ra -005 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21189+4102 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 50699 21 18 55 +41 02 26 HO 601 AB 2015 8 176 17.1 6.20 12.70 6.50 <===
Show 50699 21 18 55 +41 02 26 HO 601 AC 2015 4 82 56.7 6.18 12.64 6.46
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 50699 HIP 105229 Tycho2 3173-00540-1
Gaia DR2 1968686637677399168 HD 203096 HR 8155 GC 29836
ADS 14849 BD BD+40 4485 Distance 617.28 Distance ly 2013.57
 
 
WDS 21189+4102 HO 601 AB : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HO Hough, G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21189+4102 HO 601 AB 1999 6 177 16.9 6.20 12.70 A5IV +40 4485 D 211855.33+410225.9
21189+4102 HO 601 AB 2002 7 176 16.5 6.20 12.70 A5IV +40 4485 D 211855.33+410225.9
21189+4102 HO 601 AB 2015 8 176 17.1 6.20 12.70 A5IV +40 4485 211855.32+410225.9

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

 
 
WDS 21189+4102 HO 601 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21189+4102 HO 601 AB : MEASURES
 
 
No records found.

 
 
WDS 21189+4102 : VIRTUAL EYEPIECE
 
 

21189+4102 HO 601A mag 6.2 Sp A5IV 21189+4102 HO 601B sep 17.1 P.A. 176.10 mag 12.7 21189+4102 HO 601C sep 56.7 P.A. 82.10 mag 12.64 virtual eyepiece
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Radius:
Components only
 
 
WDS 21189+4102 : ALADIN DSS IMAGE @ 21h 18m 55.32s +41° 02' 25.9"
 
 
 
 
WDS 21189+4102 HO 601 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21189+4102 HO 601AB distance=0' 21192+4102 HO 602 distance=4' 21193+4108 TDT2901 distance=7' 21195+4048 TDT2903 distance=17' 21164+4110 ES 1689 distance=29' 21161+4101 COU2229 distance=32' 21165+4046 ES 1690 distance=33' 21217+4053 ES 1691 distance=33' 21209+4127 HO 156AB distance=33' 21209+4127 HO 156Aa,Ab distance=33' 21192+4026 LDS2508AB distance=36' 21219+4049 GRV 456 distance=37' 21183+4140 COU2302AB distance=39' 21183+4140 GII 30AB,C distance=39' 21163+4129 ES 1688 distance=40' 21176+4023 LDS2505 distance=42' 21169+4140 POP 186CD distance=43' 21169+4140 POP 186AB distance=44' 21169+4140 POP 186AC distance=44' 21174+4020 SEI1492 distance=47' 21170+4020 SEI1487 distance=48' 21157+4135 POP 170 distance=48' 21204+4017 RAO 451 distance=49' 21168+4019 TOB 219 distance=50' 21143+4109 STT 432 distance=53' 21228+4031 HO 287 distance=54' 21144+4124 LDS2499 distance=56' 21140+4051 KPP1300 distance=57' 21209+4010 UC 259AB distance=58' 21145+4036 COU2227 distance=58' 21169+4009 COU1972 distance=58' 21180+4003 LDS2506 distance=60' 21139+4042 TDT2840 distance=61' 21153+4017 A 1440 distance=62' 21221+4011 ES 2518 distance=62' 21147+4143 POP1231 distance=63' 21171+4002 GRV 443 distance=64' 21171+4001 A 1441AB distance=65' 21171+4001 SEI1489AC distance=65' 21209+4002 LDS2512 distance=65' 21212+4003 COU2230 distance=66' 21199+3957 SEI1506 distance=67' 21202+4207 ES 1584 distance=67' 21171+4206 TDT2883 distance=67' 21248+4106 COU2305 distance=67' 21208+4206 GRV 453 distance=68' 21235+4147 TDT2939 distance=68' 21191+3954 SEI1502 distance=68' 21215+4002 SEI1511 distance=69' 21165+3959 SEI1484 distance=69' 21155+4202 HJL1106 distance=71' 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 21189+4102 HO 601 AB 176 17.1 0
Show 21189+4102 HO 601 AC 82 56.7 0
Show 21192+4102 HO 602 27 4.2 4
Show 21193+4108 TDT2901 306 0.5 7
Show 21195+4048 TDT2903 9 0.4 17
Show 21164+4110 ES 1689 136 3.3 29
Show 21161+4101 COU2229 278 0.8 32
Show 21165+4046 ES 1690 101 3.8 33
Show 21217+4053 ES 1691 174 5.3 33
Show 21209+4127 HO 156 AB 50 2.2 33
Show 21209+4127 HO 156 Aa,Ab 42 0.3 33
Show 21192+4026 LDS2508 AB 357 7.8 36
Show 21219+4049 GRV 456 56 36.5 37
Show 21183+4140 COU2302 AB 63 1.3 39
Show 21183+4140 GII 30 AB,C 187 14.1 39
Show 21163+4129 ES 1688 147 5.3 40
Show 21176+4023 LDS2505 23 4.3 42
Show 21169+4140 POP 186 CD 93 4.2 43
Show 21169+4140 POP 186 AB 297 10.7 44
Show 21169+4140 POP 186 AC 130 60.7 44
Show 21174+4020 SEI1492 246 24.6 47
Show 21170+4020 SEI1487 238 21.2 48
Show 21157+4135 POP 170 75 1.4 48
Show 21204+4017 RAO 451 116 2.8 49
Show 21168+4019 TOB 219 212 35.0 50
Show 21143+4109 STT 432 114 1.3 53
Show 21228+4031 HO 287 6 2.7 54
Show 21144+4124 LDS2499 320 6.2 56
Show 21140+4051 KPP1300 32 9.9 57
Show 21209+4010 UC 259 AB 110 55.0 58
Show 21145+4036 COU2227 193 1.2 58
Show 21169+4009 COU1972 145 0.2 58
Show 21180+4003 LDS2506 161 14.1 60
Show 21139+4042 TDT2840 235 0.7 61
Show 21153+4017 A 1440 213 1.2 62
Show 21221+4011 ES 2518 247 2.7 62
Show 21147+4143 POP1231 269 54.6 63
Show 21171+4002 GRV 443 333 16.6 64
Show 21171+4001 A 1441 AB 273 0.2 65
Show 21171+4001 SEI1489 AC 102 16.4 65
Show 21209+4002 LDS2512 30 85.1 65
Show 21212+4003 COU2230 82 0.4 66
Show 21199+3957 SEI1506 60 7.8 67
Show 21202+4207 ES 1584 116 5.4 67
Show 21171+4206 TDT2883 112 0.9 67
Show 21248+4106 COU2305 101 0.3 67
Show 21208+4206 GRV 453 27 66.2 68
Show 21235+4147 TDT2939 174 0.4 68
Show 21191+3954 SEI1502 274 13.1 68
Show 21215+4002 SEI1511 283 28.5 69
Show 21165+3959 SEI1484 7 4.2 69

 
 
WDS 21189+4102 : COMPONENTS
 
 
  A B
B pa=176.1°
sep=17.07"
 
C pa=82.1°
sep=56.74"
pa=65.7°
sep=60.38"
 
 
21189+4102 A
 
 
Coord arcsec 2000 211855.32+410225.9 Mag 6.2 Spectral class A5IV (white) PmRA -5.00
PmDE -5.0 SAO 50699 HIP 105229 Tycho2 3173-00540-1
HD 203096 HR 8155 GC 29836 BD BD+40 4485
Tycho2
Tycho2 3173-00540-1 Pflag RAmdeg 319.73054025 DEmdeg 41.04052008
PmRA -4.9 PmDE -4.5 E RAmdeg 4 E DEmdeg 3
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.30 EpDEm 1991.57
Num 12 Q RAmdeg 0.5 Q DEmdeg 0.3 Q pmRA 0.4
Q pmDE 0.3 BTmag 6.439 E BTmag 0.014 VTmag 6.179
E VTmag 0.009 Prox 999 TYC T HIP 105229
CCDM RAdeg 319.73055528 DEdeg 41.04053028 EpRA 1990 1.58
EpDE 1990 1.71 E RAdeg 3.5 E DEdeg 3.4 Posflg
Corr 0.2
SAO
SAO 50699 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 0.012 Vmag 6.2 SpType A5
Double code Source 70 CatNum 29836 DM BD+40 4485
DMcomp BDsup HD 203096 M HD 0
GC 29836 RA1950rad 5.57190509 DE1950rad 0.71260209 PmRA2000 -0.0005
PmDE2000 0.009
Hipparcos
Catalog H HIP 105229 Proxy RAhms 21 18 55.33
DEdms +41 02 25.9 Vmag 6.15 VarFlag R Vmag H
RAdeg 319.731 DEdeg 41.0405 AstroRef Plx 1.92
CCDM -5.39 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+40 4485
CD CP Dm number +40 4485 VIred 0.26
SpType A5IV R SpType Coord arcsec 2000 211855.33+410225.9
Hipparcos 2
HIP 105229 Sn 5 So 0 Nc 1
RArad 5.5803509137 DErad 0.7162923685 Plx 1.62 PmRA -5.35
PmDE -4.54 E RArad 0.21 E DErad 0.24 E Plx 0.31
E pmRA 0.25 E pmDE 0.26 Hpmag E Hpmag 0.0005
SHp 0.007 VA 0 BV 0.257 E BV 0.005
VI 0.29
 
 
21189+4102 B
 
 
Coord arcsec 2000 211855.42+410208.9 Mag 12.7 Delta magnitude 6.5 Coordinate calculated yes
 
 
21189+4102 C
 
 
Coord arcsec 2000 211900.29+410233.7 Mag 12.64 PmRA -3.00 PmDE -13.0
Delta magnitude 6.44 Coordinate calculated yes