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Doubles in session


Current system
17578+2751
ALL 2
HD 163970


Nearby doubles
9' : 17575+2759
HO 423

25' : 17577+2815
HO 424

28' : 17582+2724
HO 425

55' : 17549+2713
TDT 568AB

58' : 17541+2721
BVD 125

58' : 17564+2846
GRV 971

72' : 17549+2852
CBL 163

73' : 18033+2751
ES 470

73' : 17524+2805
KPP2487

76' : 18032+2813
AZC 103

78' : 18009+2646
TDT 635

80' : 17525+2712
HJ 1307

83' : 17525+2707
UC 3434

83' : 17518+2814
STF2239

84' : 17573+2627
BRT 179

87' : 18031+2702
TDT 653

89' : 17556+2627
TDT 576

89' : 18009+2633
STF2263

93' : 17589+2620
COU 808

93' : 18047+2750
SLE 109

95' : 17517+2700
GRV 968

97' : 18018+2631
SLE 107

100' : 17568+2613
KPP4070

100' : 17567+2929
D 17

100' : 17511+2704
YSC 240

101' : 17594+2929
STF2247AB



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

17578+2751 ALL 2 (HD 163970)

 
 
17h 57m 45.93s +27° 51' 02.6" P.A. 206.00 sep 18.9 mag 8.86,9.93 Sp G0V
 
 
Coord 2000 17578+2751 Discov num ALL   2 Comp Coord arcsec 2000 17 57 45.93 +27 51 02.6
Date first 1895 Date last 2015 Obs 21
Pa first 208 Pa last 206.2 P.A. Now (θ) 206.2°
Sep first 19.0 Sep last 18.92 Sep. Now (ρ) 18.92"
Mag pri 8.86 Mag sec 9.93 delta mag (ΔM) 1.07 Spectral class G0V (yellow)
Pri motion ra +029 Sec motion ra +030
Pri motion dec +059 Sec motion dec +056
Notes N T (See Notes, Parallax indicates physical)
rPM=0.048 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163970 Constellation Hercules SAO 85589 Tycho2 2098-00978-1
Gaia DR2 4584190569810772864 HD 163970
 
 
WDS 17578+2751 ALL 2 (HD 163970) : NOTES
 
 
discov_num notes refcode
ALL 2 HJL 254. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
 
 
DISCOVERER
 
 
idgroup discov author
1 ALL Aller, R.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17578+2751 ALL 2 2004 11 206 19.3 8.86 9.93 G0V DV 175745.93+275102.6
17578+2751 ALL 2 2013 13 206 19.0 8.86 9.93 G0V NV 175745.93+275102.6
17578+2751 ALL 2 2015 15 206 18.9 8.86 9.93 G0V NV 175745.93+275102.6

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

 
 
WDS 17578+2751 ALL 2 (HD 163970) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17578+2751 ALL 2 (HD 163970) : MEASURES
 
 
No records found.

 
 
WDS 17578+2751 (HD 163970) : VIRTUAL EYEPIECE
 
 

17578+2751 ALL 2A mag 8.86 Sp G0V 17578+2751 ALL 2B sep 18.5 P.A. 203.50 mag 9.93 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17578+2751 (HD 163970) : ALADIN DSS IMAGE @ 17h 57m 45.93s +27° 51' 02.6"
 
 
 
 
WDS 17578+2751 ALL 2 (HD 163970) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17578+2751 ALL 2 distance=0' 17575+2759 HO 423 distance=9' 17577+2815 HO 424 distance=25' 17582+2724 HO 425 distance=28' 17549+2713 TDT 568AB distance=55' 17549+2713 TDT 568AC distance=55' 17541+2721 BVD 125 distance=58' 17564+2846 GRV 971 distance=58' 17549+2852 CBL 163 distance=72' 18033+2751 ES 470 distance=73' 17524+2805 KPP2487 distance=73' 18032+2813 AZC 103 distance=76' 18009+2646 TDT 635 distance=78' 17525+2712 HJ 1307 distance=80' 17525+2707 UC 3434 distance=83' 17518+2814 STF2239 distance=83' 17573+2627 BRT 179 distance=84' 18031+2702 TDT 653 distance=87' 17556+2627 TDT 576 distance=89' 18009+2633 STF2263 distance=89' 17589+2620 COU 808 distance=93' 18047+2750 SLE 109 distance=93' 17517+2700 GRV 968 distance=95' 18018+2631 SLE 107 distance=97' 17568+2613 KPP4070 distance=100' 17567+2929 D 17 distance=100' 17511+2704 YSC 240 distance=100' 17594+2929 COU1003Aa,Ab distance=101' 17594+2929 STF2247AB distance=101' 17594+2929 WAL 88AC distance=101' 18047+2707 ES 471AB distance=102' 18047+2707 ES 471AC distance=102' 18047+2707 SLE 106AD distance=102' 18047+2707 SLE 106AE distance=102' 18047+2707 SLE 106AF distance=102' 18010+2617 BU 1461 distance=104' 17508+2701 CBL 72 distance=105' 18059+2759 KPP3327 distance=109' 18021+2620 SLE 90 distance=109' 18039+2639 HO 426 distance=109' 18006+2934 LDS6413 distance=111' 17502+2704 TDT 526 distance=112' 18025+2619 HO 564AB distance=112' 18025+2619 HO 564AC distance=112' 18025+2619 HO 564AD distance=112' 18025+2619 HO 564AE distance=112' 18025+2619 HO 564AF distance=112' 17532+2617 TDT 555 distance=113' 17559+2943 AZC 102 distance=115' 17520+2917 AZC 101 distance=115' 17588+2554 SLE 87AB distance=118' 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 17578+2751 ALL 2 206 18.9
Show 17575+2759 HO 423 293 4.7 9
Show 17577+2815 HO 424 204 1.4 25
Show 17582+2724 HO 425 144 5.5 28
Show 17549+2713 TDT 568 AB 2 0.5 55
Show 17549+2713 TDT 568 AC 90 1.8 55
Show 17541+2721 BVD 125 32 48.3 58
Show 17564+2846 GRV 971 237 73.0 58
Show 17549+2852 CBL 163 244 41.5 72
Show 18033+2751 ES 470 208 8.3 73
Show 17524+2805 KPP2487 23 22.3 73
Show 18032+2813 AZC 103 146 14.1 76
Show 18009+2646 TDT 635 229 0.6 78
Show 17525+2712 HJ 1307 321 37.3 80
Show 17525+2707 UC 3434 30.3 83
Show 17518+2814 STF2239 319 2.4 83
Show 17573+2627 BRT 179 74 2.2 84
Show 18031+2702 TDT 653 26 0.7 87
Show 17556+2627 TDT 576 216 0.5 89
Show 18009+2633 STF2263 158 7.7 89
Show 17589+2620 COU 808 155 0.9 93
Show 18047+2750 SLE 109 79 9.7 93
Show 17517+2700 GRV 968 304 26.0 95
Show 18018+2631 SLE 107 205 13.3 97
Show 17568+2613 KPP4070 76 1.4 100
Show 17567+2929 D 17 130 23.9 100
Show 17511+2704 YSC 240 153 0.4 100
Show 17594+2929 COU1003 Aa,Ab 359 0.1 101
Show 17594+2929 STF2247 AB 188 11.6 101
Show 17594+2929 WAL 88 AC 230 56.1 101
Show 18047+2707 ES 471 AB 274 24.3 102
Show 18047+2707 ES 471 AC 44 24.3 102
Show 18047+2707 SLE 106 AD 244 88.5 102
Show 18047+2707 SLE 106 AE 43 183.4 102
Show 18047+2707 SLE 106 AF 340 129.9 102
Show 18010+2617 BU 1461 185 23.0 104
Show 17508+2701 CBL 72 173 12.6 105
Show 18059+2759 KPP3327 166 2.9 109
Show 18021+2620 SLE 90 266 13.3 109
Show 18039+2639 HO 426 230 11.7 109
Show 18006+2934 LDS6413 105 88.1 111
Show 17502+2704 TDT 526 146 0.8 112
Show 18025+2619 HO 564 AB 326 98.5 112
Show 18025+2619 HO 564 AC 21 92.9 112
Show 18025+2619 HO 564 AD 56 110.6 112
Show 18025+2619 HO 564 AE 339 57.7 112
Show 18025+2619 HO 564 AF 63 112.4 112
Show 17532+2617 TDT 555 260 0.9 113
Show 17559+2943 AZC 102 35 21.3 115
Show 17520+2917 AZC 101 270 22.6 115
Show 17588+2554 SLE 87 AB 42 8.7 118

 
 
WDS 17578+2751 : COMPONENTS
 
 
  A
B pa=203.5°
sep=18.51"
 
 
17578+2751 A
 
 
Componente originario normalizzato AB Name HD 163970 Coord arcsec 2000 175745.93+275102.6 Mag 8.86
Spectral class G0V (yellow) PmRA 29.00 PmDE 59.0 SAO 85589
Tycho2 2098-00978-1 HD 163970 DM BD+27 2922
Tycho2
Tycho2 2098-00978-1 Pflag RAmdeg 269.44137546 DEmdeg 27.85072024
PmRA 27.6 PmDE 58.3 E RAmdeg 8 E DEmdeg 8
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.10 EpDEm 1991.05
Num 9 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 9.457 E BTmag 0.018 VTmag 8.862
E VTmag 0.014 Prox 190 TYC T HIP
CCDM RAdeg 269.44130250 DEdeg 27.85058500 EpRA 1990 1.60
EpDE 1990 1.63 E RAdeg 8.1 E DEdeg 7.7 Posflg
Corr -0.1
SAO
SAO 85589 DelFlag RA1950 PmRA1950 0.0037
DE1950 PmDE1950 0.052 Vmag 8.3 SpType G5
Double code Source 34 CatNum 8563 DM BD+27 2922
DMcomp BDsup HD 163970 M HD 0
GC RA1950rad 4.69401814 DE1950rad 0.4861394 PmRA2000 0.0038
PmDE2000 0.052
CCDM
Ccdm 17578+2751 RComp Comp A Note1
Note2 Discov num DRAs -2.12 DDEs 2.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp G5 PmNote *
PmRA 15 PmDE 64 Dm number +27 2922 Cat1 BD
Name2 +27 1700 Cat2 AGK2/3 HD 163970 M HD
ADS BDS M ADS BDS N IDS IDS 17538N2751A
HIC
 
 
17578+2751 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175745.37+275045.6 Mag 9.93 PmRA 30.00
PmDE 56.0 Tycho2 2098-03332-1 Calc delta mag 1.07 Calc coord yes
Tycho2
Tycho2 2098-03332-1 Pflag RAmdeg 269.43876147 DEmdeg 27.84598620
PmRA 32.9 PmDE 54.0 E RAmdeg 21 E DEmdeg 21
E pmRA 1.8 E pmDE 1.7 EpRAm 1989.70 EpDEm 1989.53
Num 5 Q RAmdeg 0.4 Q DEmdeg 0.9 Q pmRA 0.4
Q pmDE 0.9 BTmag 10.961 E BTmag 0.046 VTmag 9.929
E VTmag 0.027 Prox 190 TYC T HIP
CCDM RAdeg 269.43867500 DEdeg 27.84586000 EpRA 1990 1.65
EpDE 1990 1.63 E RAdeg 20.6 E DEdeg 20.7 Posflg
Corr 0.0
CCDM
Ccdm 17578+2751 RComp Comp B Note1
Note2 Discov num ALL DRAs -2.69 DDEs -15.4
R dRAs 10 Year 1934 Theta 206 Rho 18.4
Obs 1 Vmag 9.9 Sp PmNote *
PmRA 30 PmDE 40 Dm number Cat1
Name2 +27 1699 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 17538N2751B
HIC