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Doubles in session


Current system
18533+2523
STT 364
HD 175204


Nearby doubles
5' : 18531+2526
KPP1560

24' : 18518+2511
POU3570

30' : 18528+2453
POU3576

31' : 18534+2553
A 2989

32' : 18549+2459
TDT1123

34' : 18509+2522
TDT1083

35' : 18524+2555
TDT1097

36' : 18508+2510
POU3567

38' : 18538+2446
POU3580

38' : 18537+2445
POU3579

39' : 18561+2520
TDT1134

41' : 18522+2445
POU3573

41' : 18525+2602
TDT1100

43' : 18513+2450
POU3569

46' : 18528+2437
TDT1104

47' : 18527+2437
POU3575

49' : 18553+2443
POU3593

49' : 18543+2610
TDT1121

50' : 18523+2435
POU3574

52' : 18503+2453
POU3564

53' : 18572+2522
COU 512AB

55' : 18521+2431
COU 510

55' : 18549+2433
POU3588

55' : 18554+2436
POU3595AB

55' : 18568+2456
POU3605

57' : 18531+2426
POU3577



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.

18533+2523 STT 364 (HD 175204)

 
 
18h 53m 20.26s +25° 22' 32.7" P.A. 163.00 sep 0.7 mag 7.61,10.50 dist. 227.27 pc (741.35 l.y.)
 
 
Coord 2000 18533+2523 Discov num STT 364 Comp Coord arcsec 2000 18 53 20.26 +25 22 32.7
Date first 1842 Date last 1842 Obs 1
Pa first 163 Pa last 162.8 P.A. Now (θ) 162.8°
Sep first 0.7 Sep last 0.74 Sep. Now (ρ) 0.74"
Mag pri 7.61 Mag sec 10.50 delta mag (ΔM) 2.89 Spectral class
Pri motion ra +007 Sec motion ra
Pri motion dec -026 Sec motion dec
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 175204 Spectr G5III Constellation Hercules SAO 86543
HIP 92701 Tycho2 2113-01541-1 Gaia DR2 4534844694119143936 HD 175204
BD BD+25 3654 Distance 227.27 Distance ly 741.35
 
 
WDS 18533+2523 STT 364 (HD 175204) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18533+2523 STT 364 1842 1 163 0.7 7.61 10.50 X 185320.26+252232.7

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

 
 
WDS 18533+2523 STT 364 (HD 175204) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18533+2523 STT 364 (HD 175204) : MEASURES
 
 
No records found.

 
 
WDS 18533+2523 (HD 175204) : VIRTUAL EYEPIECE
 
 

18533+2523 STT 364A mag 7.61 Sp G5III 18533+2523 STT 364B sep 0.7 P.A. 164.40 mag 10.5 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 18533+2523 (HD 175204) : ALADIN DSS IMAGE @ 18h 53m 20.26s +25° 22' 32.7"
 
 
 
 
WDS 18533+2523 STT 364 (HD 175204) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18533+2523 STT 364 distance=0' 18531+2526 KPP1560 distance=5' 18518+2511 POU3570 distance=24' 18528+2453 POU3576 distance=30' 18534+2553 A 2989 distance=31' 18549+2459 TDT1123 distance=32' 18509+2522 TDT1083 distance=34' 18524+2555 TDT1097 distance=35' 18508+2510 POU3567 distance=36' 18538+2446 POU3580 distance=38' 18537+2445 POU3579 distance=38' 18561+2520 TDT1134 distance=39' 18522+2445 POU3573 distance=41' 18525+2602 TDT1100 distance=41' 18513+2450 POU3569 distance=43' 18528+2437 TDT1104 distance=46' 18527+2437 POU3575 distance=47' 18553+2443 POU3593 distance=49' 18543+2610 TDT1121 distance=49' 18523+2435 POU3574 distance=50' 18503+2453 POU3564 distance=52' 18572+2522 COU 512AB distance=53' 18572+2522 DAM 129AB,C distance=53' 18521+2431 COU 510 distance=55' 18549+2433 POU3588 distance=55' 18554+2436 POU3595AB distance=55' 18554+2436 POU3594AC distance=55' 18568+2456 POU3605 distance=55' 18531+2426 POU3577 distance=57' 18550+2430 POU3589 distance=58' 18571+2456 HDS2686AB distance=58' 18571+2456 HDS2686AC distance=58' 18551+2430 POU3590 distance=58' 18518+2428 POU3571 distance=59' 18573+2502 POU3612AB distance=59' 18573+2502 FYM 257AC distance=59' 18573+2502 FYM 257AD distance=59' 18492+2503 CHR 79AB distance=60' 18580+2535 TDT1150 distance=65' 18534+2417 RAO 513 distance=66' 18492+2447 POU3556 distance=67' 18571+2606 STF2422 distance=68' 18545+2418 POU3585 distance=68' 18581+2504 POU3622 distance=68' 18548+2418 POU3587 distance=69' 18577+2449 POU3617 distance=69' 18584+2518 TDT1153 distance=70' 18553+2418 POU3592 distance=71' 18493+2606 BRT3334 distance=71' 18525+2632 HDS2677Aa,Ab distance=71' 18525+2632 TOK 326AB 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 18533+2523 STT 364 163 0.7
Show 18531+2526 KPP1560 356 11.8 5
Show 18518+2511 POU3570 131 10.9 24
Show 18528+2453 POU3576 215 4.6 30
Show 18534+2553 A 2989 199 0.3 31
Show 18549+2459 TDT1123 201 0.5 32
Show 18509+2522 TDT1083 189 0.6 34
Show 18524+2555 TDT1097 113 2.1 35
Show 18508+2510 POU3567 273 6.9 36
Show 18538+2446 POU3580 262 7.4 38
Show 18537+2445 POU3579 234 4.1 38
Show 18561+2520 TDT1134 139 1.3 39
Show 18522+2445 POU3573 174 11.9 41
Show 18525+2602 TDT1100 148 2.4 41
Show 18513+2450 POU3569 255 16.4 43
Show 18528+2437 TDT1104 339 0.7 46
Show 18527+2437 POU3575 296 4.5 47
Show 18553+2443 POU3593 195 10.3 49
Show 18543+2610 TDT1121 112 0.8 49
Show 18523+2435 POU3574 352 11.2 50
Show 18503+2453 POU3564 47 11.7 52
Show 18572+2522 COU 512 AB 190 1.7 53
Show 18572+2522 DAM 129 AB,C 36 10.8 53
Show 18521+2431 COU 510 181 0.2 55
Show 18549+2433 POU3588 115 8.3 55
Show 18554+2436 POU3595 AB 38 17.3 55
Show 18554+2436 POU3594 AC 16 20.6 55
Show 18568+2456 POU3605 117 11.2 55
Show 18531+2426 POU3577 10 9.9 57
Show 18550+2430 POU3589 151 4.1 58
Show 18571+2456 HDS2686 AB 236 4.2 58
Show 18571+2456 HDS2686 AC 281 7.7 58
Show 18551+2430 POU3590 152 7.8 58
Show 18518+2428 POU3571 193 8.2 59
Show 18573+2502 POU3612 AB 174 8.0 59
Show 18573+2502 FYM 257 AC 222 23.1 59
Show 18573+2502 FYM 257 AD 321 26.3 59
Show 18492+2503 CHR 79 AB 124 0.2 60
Show 18580+2535 TDT1150 40 0.4 65
Show 18534+2417 RAO 513 -1 0.2 66
Show 18492+2447 POU3556 285 8.2 67
Show 18571+2606 STF2422 71 0.8 68
Show 18545+2418 POU3585 141 3.9 68
Show 18581+2504 POU3622 28 14.4 68
Show 18548+2418 POU3587 47 7.9 69
Show 18577+2449 POU3617 241 4.9 69
Show 18584+2518 TDT1153 35 0.9 70
Show 18553+2418 POU3592 226 8.6 71
Show 18493+2606 BRT3334 219 5.2 71
Show 18525+2632 HDS2677 Aa,Ab 81 1.0 71
Show 18525+2632 TOK 326 AB 77 1.0 71

 
 
WDS 18533+2523 : COMPONENTS
 
 
  A
B pa=164.4°
sep=0.73"
 
 
18533+2523 A
 
 
Componente originario normalizzato AB Name HD 175204 Coord arcsec 2000 185320.26+252232.7 Mag 7.61
Spectral class G5III (yellow) PmRA 7.00 PmDE -26.0 SAO 86543
HIP 92701 Tycho2 2113-01541-1 HD 175204 BD BD+25 3654
Tycho2
Tycho2 2113-01541-1 Pflag RAmdeg 283.33441840 DEmdeg 25.37577707
PmRA 5.8 PmDE -24.3 E RAmdeg 5 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.90 EpDEm 1991.38
Num 13 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 8.835 E BTmag 0.016 VTmag 7.720
E VTmag 0.010 Prox 249 TYC T HIP 92701
CCDM RAdeg 283.33440333 DEdeg 25.37583333 EpRA 1990 1.36
EpDE 1990 1.65 E RAdeg 4.8 E DEdeg 4.3 Posflg
Corr 0.1
SAO
SAO 86543 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.022 Vmag 7.5 SpType G5
Double code Source 34 CatNum 9330 DM BD+25 3654
DMcomp BDsup HD 175204 M HD 0
GC RA1950rad 4.93617372 DE1950rad 0.44179776 PmRA2000 0.0004
PmDE2000 -0.023
Hipparcos
Catalog H HIP 92701 Proxy RAhms 18 53 20.26
DEdms +25 22 33.0 Vmag 7.6 VarFlag R Vmag H
RAdeg 283.334 DEdeg 25.3758 AstroRef Plx 4.01
CCDM 18533+2523 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 175204 BD BD+25 3654
CD CP Dm number +25 3654 VIred 0.95
SpType G5III R SpType Coord arcsec 2000 185320.26+252233.0
Hipparcos 2
HIP 92701 Sn 5 So 0 Nc 1
RArad 4.9451182142 DErad 0.4428918837 Plx 4.4 PmRA 6.33
PmDE -26.5 E RArad 0.31 E DErad 0.45 E Plx 0.59
E pmRA 0.37 E pmDE 0.61 Hpmag 7.762 E Hpmag 0.001
SHp 0.012 VA 0 BV 0.97 E BV 0.011
VI 0.95
CCDM
Ccdm 18533+2523 RComp Comp A Note1
Note2 Discov num DRAs 2.25 DDEs -27.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp G5 PmNote *
PmRA 2 PmDE -33 Dm number +25 3654 Cat1 BD
Name2 +25 2001 Cat2 AGK2/3 HD 175204 M HD
ADS BDS B 8892 M ADS BDS N IDS IDS 18492N2515A
HIC 92701
 
 
18533+2523 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185320.27+252232.0 Mag 10.5 Tycho2 2113-01051-1
Calc delta mag 2.89 Calc coord yes
Tycho2
Tycho2 2113-01051-1 Pflag RAmdeg 283.32907374 DEmdeg 25.38080150
PmRA 3.3 PmDE 1.7 E RAmdeg 29 E DEmdeg 23
E pmRA 3.1 E pmDE 3.1 EpRAm 1990.43 EpDEm 1991.05
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.533 E BTmag 0.064 VTmag 10.095
E VTmag 0.031 Prox 249 TYC HIP
CCDM RAdeg 283.32906500 DEdeg 25.38079750 EpRA 1990 1.36
EpDE 1990 1.65 E RAdeg 28.6 E DEdeg 22.7 Posflg
Corr 0.0
CCDM
Ccdm 18533+2523 RComp Comp B Note1
Note2 Discov num STT 364 DRAs DDEs
R dRAs Year 1842 Theta 163 Rho 0.7
Obs 1 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8892 M ADS BDS N N IDS IDS 18492N2515B
HIC 92701