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Doubles in session


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 156

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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Binocular doubles
Binary Systems
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Neglected List I
Neglected List II
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.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21189+4102 HO 601 AB 1999 6 177 16.9 6.20 12.70 A5IV D 211855.33+410225.9
21189+4102 HO 601 AB 2002 7 176 16.5 6.20 12.70 A5IV D 211855.33+410225.9
21189+4102 HO 601 AB 2015 8 176 17.1 6.20 12.70 A5IV 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. 177.10 mag 12.7 21189+4102 HO 601C sep 43.1 P.A. 79.60 mag 12.64 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 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 156 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' 21121+4123 LDS2494 distance=70' 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
Show 21189+4102 HO 601 AC 82 56.7
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 50 2.2 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 432 115 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 81 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
Show 21121+4123 LDS2494 212 2.0 70

 
 
WDS 21189+4102 : COMPONENTS
 
 
  A B
B pa=177.1°
sep=17.05"
 
C pa=79.6°
sep=43.10"
pa=59.1°
sep=48.37"
 
 
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 21190+4102 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 203096 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 6.2201 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 211855.40+410208.9 Mag 12.7 Calc delta mag 6.5 Calc coord yes
 
 
21189+4102 C
 
 
Coord arcsec 2000 211859.07+410233.7 Mag 12.64 PmRA -3.00 PmDE -13.0
Calc delta mag 6.44 Calc coord yes