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Doubles in session


Current system
18571+2606
STF 2422
HD 176005


Nearby doubles
13' : 18581+2605
TDT1151

28' : 18576+2633
TDT1148

34' : 18580+2535
TDT1150

39' : 18543+2610
TDT1121

43' : 18550+2637
TDT1124

44' : 18572+2522
COU 512AB

47' : 18565+2652
TDT1139

48' : 18561+2520
TDT1134

52' : 18584+2518
TDT1153

52' : 18534+2553
A 2989

55' : 18585+2515
A 2990AB

57' : 19012+2551
RAO 608

60' : 18553+2700
STF2418

62' : 18585+2507
POU3628

62' : 18525+2602
TDT1100

63' : 19016+2624
TDT1187

63' : 18581+2504
POU3622

66' : 18573+2502
POU3612AB

66' : 18524+2555
TDT1097

68' : 18533+2523
STT 364

69' : 18525+2632
TOK 326AB

69' : 18531+2526
KPP1560

69' : 18583+2459
POU3625

70' : 18589+2500
TDT1162

71' : 18568+2456
POU3605

71' : 18571+2456
HDS2686AB



Selections
Full WDS
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.

18571+2606 STF 2422 (HD 176005)

 
 
18h 57m 07.83s +26° 05' 45.1" P.A. 71.00 sep 0.8 mag 7.93,8.25 Sp A2IV dist. 156.25 pc (509.69 l.y.)
 
 
Coord 2000 18571+2606 Discov num STF2422 Comp Coord arcsec 2000 18 57 07.83 +26 05 45.1
Date first 1832 Date last 2021 Obs 143
Pa first 106 Pa last 70.6 P.A. Now (θ) 70.6°
Sep first 0.9 Sep last 0.78 Sep. Now (ρ) 0.78"
Mag pri 7.93 Mag sec 8.25 delta mag (ΔM) 0.32 Spectral class A2IV (white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec +000 Sec motion dec +000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 176005 Constellation Hercules SAO 86619 HIP 93038
Tycho2 2113-02259-1 Gaia DR2 4534804974259964032 HD 176005 GC 26027
BD BD+25 3672 Distance 156.25 Distance ly 509.69
 
 
WDS 18571+2606 STF 2422 (HD 176005) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18571+2606 STF2422 2005 137 70 0.7 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2007 140 71 0.8 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2010 142 71 0.8 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2011 144 70 0.8 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2013 138 70 0.7 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2015 139 69 0.8 7.93 8.25 A2IV 185707.83+260545.1
18571+2606 STF2422 2018 141 68 0.8 7.93 8.25 A2IV 185707.83+260545.1
18571+2606 STF2422 2021 143 71 0.8 7.93 8.25 A2IV 185707.83+260545.1

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

 
 
WDS 18571+2606 STF 2422 (HD 176005) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18571+2606 STF 2422 (HD 176005) : MEASURES
 
 
No records found.

 
 
WDS 18571+2606 (HD 176005) : VIRTUAL EYEPIECE
 
 

18571+2606 STF2422A mag 7.93 Sp A2IV 18571+2606 STF2422B sep 0.7 P.A. 68.60 mag 8.25 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 18571+2606 (HD 176005) : ALADIN DSS IMAGE @ 18h 57m 07.83s +26° 05' 45.1"
 
 
 
 
WDS 18571+2606 STF 2422 (HD 176005) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18571+2606 STF2422 distance=0' 18581+2605 TDT1151 distance=13' 18576+2633 TDT1148 distance=28' 18580+2535 TDT1150 distance=34' 18543+2610 TDT1121 distance=39' 18550+2637 TDT1124 distance=43' 18572+2522 COU 512AB distance=44' 18572+2522 DAM 129AB,C distance=44' 18565+2652 TDT1139 distance=47' 18561+2520 TDT1134 distance=48' 18584+2518 TDT1153 distance=52' 18534+2553 A 2989 distance=52' 18585+2515 A 2990AB distance=55' 18585+2515 A 2990AC distance=55' 18585+2515 GII 276Aa,Ab distance=55' 19012+2551 RAO 608 distance=57' 18553+2700 STF2418 distance=60' 18585+2507 POU3628 distance=62' 18525+2602 TDT1100 distance=62' 19016+2624 TDT1187 distance=63' 18581+2504 POU3622 distance=63' 18573+2502 POU3612AB distance=66' 18573+2502 FYM 257AC distance=66' 18573+2502 FYM 257AD distance=66' 18524+2555 TDT1097 distance=66' 18533+2523 STT 364 distance=68' 18525+2632 HDS2677Aa,Ab distance=69' 18525+2632 TOK 326AB distance=69' 18531+2526 KPP1560 distance=69' 18583+2459 POU3625 distance=69' 18589+2500 TDT1162 distance=70' 18568+2456 POU3605 distance=71' 18571+2456 HDS2686AB distance=71' 18571+2456 HDS2686AC distance=71' 19006+2512 POU3644 distance=72' 18589+2458 TDT1163 distance=72' 18582+2455 POU3623 distance=73' 18567+2718 COU1015 distance=73' 18585+2456 POU3627 distance=73' 18549+2459 TDT1123 distance=73' 18582+2452 POU3624 distance=76' 19002+2500 POU3642 distance=78' 18564+2723 TDT1137 distance=78' 18577+2449 POU3617 distance=78' 19029+2552 TDT1200 distance=79' 19025+2640 BRT 36AB distance=80' 19025+2640 LBU 4AC distance=80' 19013+2510 POU3652 distance=81' 18593+2449 POU3631 distance=83' 18541+2718 HJ 1355 distance=83' 19012+2503 POU3646 distance=84' 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 18571+2606 STF2422 71 0.8
Show 18581+2605 TDT1151 152 0.4 13
Show 18576+2633 TDT1148 349 0.6 28
Show 18580+2535 TDT1150 40 0.4 34
Show 18543+2610 TDT1121 112 0.8 39
Show 18550+2637 TDT1124 47 2.8 43
Show 18572+2522 COU 512 AB 190 1.7 44
Show 18572+2522 DAM 129 AB,C 36 10.8 44
Show 18565+2652 TDT1139 242 2.9 47
Show 18561+2520 TDT1134 139 1.3 48
Show 18584+2518 TDT1153 35 0.9 52
Show 18534+2553 A 2989 199 0.3 52
Show 18585+2515 A 2990 AB 141 2.8 55
Show 18585+2515 A 2990 AC 44 13.2 55
Show 18585+2515 GII 276 Aa,Ab 121 0.2 55
Show 19012+2551 RAO 608 142 1.3 57
Show 18553+2700 STF2418 6 16.1 60
Show 18585+2507 POU3628 257 10.0 62
Show 18525+2602 TDT1100 148 2.4 62
Show 19016+2624 TDT1187 41 0.7 63
Show 18581+2504 POU3622 28 14.4 63
Show 18573+2502 POU3612 AB 174 8.0 66
Show 18573+2502 FYM 257 AC 222 23.1 66
Show 18573+2502 FYM 257 AD 321 26.3 66
Show 18524+2555 TDT1097 113 2.1 66
Show 18533+2523 STT 364 163 0.7 68
Show 18525+2632 HDS2677 Aa,Ab 81 1.0 69
Show 18525+2632 TOK 326 AB 77 1.0 69
Show 18531+2526 KPP1560 356 11.8 69
Show 18583+2459 POU3625 86 11.0 69
Show 18589+2500 TDT1162 175 1.0 70
Show 18568+2456 POU3605 117 11.2 71
Show 18571+2456 HDS2686 AB 236 4.2 71
Show 18571+2456 HDS2686 AC 281 7.7 71
Show 19006+2512 POU3644 263 7.9 72
Show 18589+2458 TDT1163 30 0.6 72
Show 18582+2455 POU3623 83 10.4 73
Show 18567+2718 COU1015 92 1.0 73
Show 18585+2456 POU3627 139 11.3 73
Show 18549+2459 TDT1123 201 0.5 73
Show 18582+2452 POU3624 207 6.4 76
Show 19002+2500 POU3642 91 5.6 78
Show 18564+2723 TDT1137 299 0.9 78
Show 18577+2449 POU3617 241 4.9 78
Show 19029+2552 TDT1200 172 2.8 79
Show 19025+2640 BRT 36 AB 47 4.9 80
Show 19025+2640 LBU 4 AC 235 51.4 80
Show 19013+2510 POU3652 188 14.1 81
Show 18593+2449 POU3631 347 12.9 83
Show 18541+2718 HJ 1355 223 12.1 83
Show 19012+2503 POU3646 98 14.3 84

 
 
WDS 18571+2606 : COMPONENTS
 
 
  A
B pa=68.6°
sep=0.71"
 
 
18571+2606 A
 
 
Componente originario normalizzato AB Name HD 176005 Coord arcsec 2000 185707.83+260545.1 Mag 7.93
Spectral class A2IV (white) PmRA 0.00 PmDE 0.0 SAO 86619
HIP 93038 Tycho2 2113-02259-1 HD 176005 GC 26027
BD BD+25 3672
Tycho2
Tycho2 2113-02259-1 Pflag RAmdeg 284.28269542 DEmdeg 26.09589365
PmRA 0.0 PmDE -0.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.40 EpDEm 1991.45
Num 10 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.8 BTmag 7.669 E BTmag 0.015 VTmag 7.477
E VTmag 0.010 Prox 999 TYC T HIP 93038
CCDM AB RAdeg 284.28269556 DEdeg 26.09589389 EpRA 1990 1.58
EpDE 1990 1.62 E RAdeg 4.1 E DEdeg 4.0 Posflg P
Corr 0.0
SAO
SAO 86619 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 0.013 Vmag 7.3 SpType A0
Double code Source 70 CatNum 26027 DM BD+25 3672
DMcomp BDsup HD 176005 M HD 0
GC 26027 RA1950rad 4.952793 DE1950rad 0.45428345 PmRA2000 0.0006
PmDE2000 0.012
Hipparcos
Catalog H HIP 93038 Proxy H RAhms 18 57 07.83
DEdms +26 05 45.1 Vmag 7.32 VarFlag R Vmag H
RAdeg 284.283 DEdeg 26.0959 AstroRef A Plx 5.44
CCDM 18571+2606 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 74 Rho 0.754 HD 176005 BD BD+25 3672
CD CP Dm number +25 3672 VIred 0.17
SpType A0 R SpType Coord arcsec 2000 185707.83+260545.1
Hipparcos 2
HIP 93038 Sn 15 So 3 Nc 2
RArad 4.9616676358 DErad 0.4554589178 Plx 6.4 PmRA 2.42
PmDE 1.67 E RArad 0.86 E DErad 0.63 E Plx 1.02
E pmRA 1.18 E pmDE 0.9 Hpmag 7.3743 E Hpmag 0.0012
SHp 0.012 VA 0 BV 0.174 E BV 0.008
VI 0.19
CCDM
Ccdm 18571+2606 RComp Comp A Note1
Note2 Discov num DRAs 1.79 DDEs -15.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp A0 PmNote *
PmRA -11 PmDE -13 Dm number +25 3672 Cat1 BD
Name2 +26 1949 Cat2 AGK2/3 HD 176005 M HD
ADS BDS A11869 M ADS BDS N IDS IDS 18531N2558A
HIC 93038
 
 
18571+2606 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185707.88+260545.4 Mag 8.25 PmRA 0.00
PmDE 0.0 Calc delta mag 0.32 Calc coord yes
CCDM
Ccdm 18571+2606 RComp Comp B Note1
Note2 Discov num STF2422 DRAs DDEs
R dRAs Year 1960 Theta 082 Rho 0.7
Obs 99 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11869 M ADS BDS N IDS IDS 18531N2558B
HIC 93038