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Current system
18253+2605
ABH 99 AF


Nearby doubles
6' : 18255+2600
STF2318

23' : 18270+2603
L 24

26' : 18269+2551
BRT 182

29' : 18267+2627
BU 1326AB

33' : 18266+2537
LDS4787

35' : 18278+2557
DAM 285

35' : 18257+2639
COU 815

41' : 18224+2617
NSN 704

43' : 18265+2645
TDT 870

44' : 18277+2536
HDS2612AB

45' : 18257+2649
DAM1237

48' : 18259+2652
UC 3578

50' : 18251+2654
AG 361

50' : 18223+2633
TDT 819

52' : 18215+2603
A 243

58' : 18296+2603
HDS2619AB

62' : 18280+2655
TDT 893

64' : 18257+2503
POU3409

65' : 18276+2509
KU 117

71' : 18296+2647
A 245

72' : 18306+2606
UC 3598

73' : 18280+2708
ES 475

73' : 18207+2530
BRT3330

73' : 18290+2511
TDT 902

78' : 18265+2721
BU 264

79' : 18201+2532
STF2309



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.

18253+2605 ABH 99 AF

 
 
18h 25m 20.63s +26° 05' 02.8" P.A. 208.00 sep 68.7 mag 7.69,13.58 Sp G7III-IV dist. 269.54 pc (879.24 l.y.)
 
 
Coord 2000 18253+2605 Discov num ABH  99 Comp AF Coord arcsec 2000 18 25 20.63 +26 05 02.8
Date first 1988 Date last 2015 Obs 4
Pa first 209 Pa last 208.3 P.A. Now (θ) 208.3°
Sep first 68.9 Sep last 68.679 Sep. Now (ρ) 68.679"
Mag pri 7.69 Mag sec 13.58 delta mag (ΔM) 5.89 Spectral class G7III-IV (yellow)
Pri motion ra -003 Sec motion ra +000
Pri motion dec -016 Sec motion dec -011
Notes U (Proper motion indicates non-physical)
rPM=0.358
This double is not physical.
 
 
18253+2605 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 86025 18 25 21 +26 05 03 HDS 2605 Aa,Ab 2016 5 84 1.2 7.82 11.14 3.32
Show HD 169797 86025 18 25 21 +26 05 03 STF 2317 A,BC 2006 9 224 23.0 7.69 11.94 4.25
Show 86025 18 25 21 +26 05 03 STF 2317 AD 2015 13 189 44.5 7.69 10.28 2.59
Show 86025 18 25 21 +26 05 03 ABH 99 AE 2015 4 206 38.2 7.69 14.20 6.51
Show 86025 18 25 21 +26 05 03 ABH 99 AF 2015 4 208 68.7 7.69 13.58 5.89 <===
Show 18 25 19 +26 04 46 STF 2317 BC 2009 10 323 1.4 12.50 12.70 0.20
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 86025 HIP 90288 Tycho2 2110-00945-1
Gaia DR2 4584912811514056192 HD 169797 BD BD+26 3247 Distance 269.54
Distance ly 879.24
 
 
WDS 18253+2605 ABH 99 AF : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AbH1961 - Abt, H.A. 1961A&AS....6...37A
AbH1961 A&AS 6, 37, 1961
AbH1962 Po j Abt, H.A. Jeffers, H., Gibson, & Sandage, A. 1962ApJ...135..429A
AbH1962 ApJ 135, 429, 1962
AbH1964 - AbT, H.A. et al. 1964ApJ...139.1139A
AbH1964 ApJ 139, 1139, 1964
AbH1965 - Abt, H.A. 1965A&AS...11..429A
AbH1965 A&AS 11, 429, 1965
AbH1965b - Abt, H.A. et al. 1965ApJ...142.1604A
AbH1965b ApJ 142, 1604, 1965
AbH1972 - Abt. H.A. & Biggs, E.S. 1972bsrv.book.....A
AbH1972 Bibliography of Stellar Radial Velocities
AbH1972b not - Abt. H.A., Levy, S.G., & Gandet, T.L. 1972AJ.....77..138A
AbH1972b AJ 77, 138, 1972
AbH1973 - Abt, H.A. & Levy, S.G. 1973AJ.....78.1093A
AbH1973 AJ 78, 1093, 1973
AbH1976 orb - Abt, H.A. & Levy, S.G. 1976A&AS...30..273A
AbH1976 A&AS 30, 273, 1976
AbH1978 - Abt, H.A. & Levy, S.G. 1978A&AS...36..241A
AbH1978 A&AS 36, 241, 1978
AbH1985 - Abt, H.A. & Levy, S.G. 1985ApJS...59..229A
AbH1985 ApJS 59, 229, 1985
AbH1986 - Abt, H.A. 1986ApJ...304..688A
AbH1986 ApJ 304, 688, 1986
AbH2000 C u Abt, H.A. & Corbally, C.J. 2000ApJ...541..841A
AbH2000 ApJ 541, 841, 2000
AbH2000 (Multi-epoch astrometry, photometry, and spectroscopy to determine
AbH2000 optical/physical nature of members of possible Trapezium systems)
AbH2006 orb - Abt, H.A., & Willmarth, D. 2006ApJS..162..207A
AbH2006 ApJS 162, 207, 2006
HDS Hipparcos Double Star (from additional DD list) ...................
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
18253+2605 ABH 99 AF 2000 2 208 68.8 7.69 13.58 G7III-IV D 182520.63+260502.8
18253+2605 ABH 99 AF 2002 3 208 68.7 7.69 13.58 G7III-IV NUD 182520.63+260502.8
18253+2605 ABH 99 AF 2015 4 208 68.7 7.69 13.58 G7III-IV U 182520.63+260502.8

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

 
 
WDS 18253+2605 ABH 99 AF : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18253+2605 ABH 99 AF : MEASURES
 
 
No records found.

 
 
WDS 18253+2605 : VIRTUAL EYEPIECE
 
 

18253+2605 STF2317A mag 7.69 Sp G7III 18253+2605 HDS2605Ab sep 1.1 P.A. 83.20 mag 11.14 Sp IV 18253+2605 STF2317B sep 23.2 P.A. 223.20 mag 12.5 18253+2605 STF2317C sep 22.9 P.A. 226.60 mag 12.7 18253+2605 STF2317D sep 44.4 P.A. 188.30 mag 10.28 Sp IV 18253+2605 ABH 99E sep 37.5 P.A. 203.20 mag 14.2 Sp IV 18253+2605 ABH 99F sep 67.2 P.A. 205.80 mag 13.58 Sp IV 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 18253+2605 : ALADIN DSS IMAGE @ 18h 25m 20.63s +26° 05' 02.8"
 
 
 
 
WDS 18253+2605 ABH 99 AF : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18253+2605 ABH 99AF distance=0' 18253+2605 STF2317BC distance=1' 18255+2600 STF2318 distance=6' 18270+2603 L 24 distance=23' 18269+2551 BRT 182 distance=26' 18267+2627 GUI 21DE distance=28' 18267+2627 BU 1326AB distance=29' 18267+2627 BU 1326AC distance=29' 18267+2627 GUI 21AD distance=29' 18266+2537 LDS4787 distance=33' 18278+2557 DAM 285 distance=35' 18257+2639 COU 815 distance=35' 18224+2617 NSN 704 distance=41' 18265+2645 TDT 870 distance=43' 18277+2536 HDS2612AB distance=44' 18277+2536 DAM1238AC distance=44' 18257+2649 DAM1237 distance=45' 18259+2652 UC 3578 distance=48' 18251+2654 AG 361 distance=50' 18223+2633 TDT 819 distance=50' 18215+2603 A 243 distance=52' 18296+2603 HDS2619AB distance=58' 18280+2655 TDT 893 distance=62' 18257+2503 POU3409 distance=64' 18276+2509 KU 117 distance=65' 18296+2647 A 245 distance=71' 18306+2606 UC 3598 distance=72' 18280+2708 ES 475 distance=73' 18207+2530 BRT3330 distance=73' 18290+2511 TDT 902 distance=73' 18265+2721 BU 264 distance=78' 18201+2532 STF2309 distance=79' 18250+2724 STF2315AB distance=79' 18250+2724 STF2315AC distance=79' 18250+2724 BU 9009AD distance=79' 18250+2724 HO 84DE distance=80' 18305+2519 A 246 distance=84' 18231+2445 POU3398AB distance=86' 18231+2445 POU3398AC distance=86' 18234+2440 POU3402 distance=90' 18278+2442 STF2320 distance=90' 18233+2439 POU3401 distance=90' 18192+2525 HLM 11 distance=91' 18233+2731 HO 83 distance=91' 18186+2557 TDT 788 distance=92' 18239+2435 POU3406 distance=92' 18190+2643 TDT 792 distance=93' 18312+2516 A 248 distance=94' 18319+2516 GCB 33 distance=95' 18235+2429 POU3403 distance=99' 18240+2427 POU3407 distance=100' 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 18253+2605 HDS2605 Aa,Ab 84 1.2
Show 18253+2605 STF2317 A,BC 224 23.0
Show 18253+2605 STF2317 AD 189 44.5
Show 18253+2605 ABH 99 AE 206 38.2
Show 18253+2605 ABH 99 AF 208 68.7
Show 18253+2605 STF2317 BC 323 1.4 1
Show 18255+2600 STF2318 248 21.0 6
Show 18270+2603 L 24 273 3.4 23
Show 18269+2551 BRT 182 347 4.4 26
Show 18267+2627 GUI 21 DE 345 22.9 28
Show 18267+2627 BU 1326 AB 107 5.5 29
Show 18267+2627 BU 1326 AC 60 61.8 29
Show 18267+2627 GUI 21 AD 285 162.8 29
Show 18266+2537 LDS4787 129 84.6 33
Show 18278+2557 DAM 285 67 5.8 35
Show 18257+2639 COU 815 144 1.6 35
Show 18224+2617 NSN 704 142 4.0 41
Show 18265+2645 TDT 870 73 0.9 43
Show 18277+2536 HDS2612 AB 110 4.5 44
Show 18277+2536 DAM1238 AC 277 15.2 44
Show 18257+2649 DAM1237 10 10.6 45
Show 18259+2652 UC 3578 185 4.5 48
Show 18251+2654 AG 361 13 3.8 50
Show 18223+2633 TDT 819 216 0.6 50
Show 18215+2603 A 243 69 2.2 52
Show 18296+2603 HDS2619 AB 110 0.6 58
Show 18280+2655 TDT 893 344 0.5 62
Show 18257+2503 POU3409 248 12.2 64
Show 18276+2509 KU 117 16 19.5 65
Show 18296+2647 A 245 1 3.4 71
Show 18306+2606 UC 3598 355 46.3 72
Show 18280+2708 ES 475 223 10.7 73
Show 18207+2530 BRT3330 287 3.8 73
Show 18290+2511 TDT 902 30 0.9 73
Show 18265+2721 BU 264 8.0 78
Show 18201+2532 STF2309 352 3.4 79
Show 18250+2724 STF2315 AB 117 0.6 79
Show 18250+2724 STF2315 AC 79 44.9 79
Show 18250+2724 BU 9009 AD 290 118.0 79
Show 18250+2724 HO 84 DE 322 4.4 80
Show 18305+2519 A 246 164 1.5 84
Show 18231+2445 POU3398 AB 156 12.3 86
Show 18231+2445 POU3398 AC 134 11.6 86
Show 18234+2440 POU3402 59 6.8 90
Show 18278+2442 STF2320 1 0.9 90
Show 18233+2439 POU3401 124 12.3 90
Show 18192+2525 HLM 11 166 19.6 91
Show 18233+2731 HO 83 115 0.8 91
Show 18186+2557 TDT 788 264 0.6 92
Show 18239+2435 POU3406 178 4.2 92
Show 18190+2643 TDT 792 213 0.8 93

 
 
WDS 18253+2605 : COMPONENTS
 
 
  A Ab B C D E
Ab pa=83.2°
sep=1.08"
 
B pa=223.2°
sep=23.20"
pa=224.9°
sep=24.04"
 
C pa=226.6°
sep=22.95"
pa=228.1°
sep=23.83"
pa=325.4°
sep=1.36"
 
D pa=188.3°
sep=44.39"
pa=189.6°
sep=44.68"
pa=160.6°
sep=28.65"
pa=159.9°
sep=29.96"
 
E pa=203.2°
sep=37.54"
pa=204.6°
sep=38.10"
pa=176.4°
sep=17.65"
pa=174.3°
sep=18.82"
pa=318.3°
sep=12.61"
 
F pa=205.8°
sep=67.17"
pa=206.6°
sep=67.76"
pa=197.0°
sep=45.57"
pa=195.7°
sep=46.42"
pa=234.1°
sep=28.22"
pa=209.1°
sep=29.72"
 
 
18253+2605 A
 
 
Name HD 169797 Coord arcsec 2000 182520.63+260502.8 Mag 7.69 Spectral class G7III (yellow)
PmRA -3.00 PmDE -16.0 SAO 86025 HIP 90288
Tycho2 2110-00945-1 HD 169797 ADS 11337 BD BD+26 3247
Tycho2
Tycho2 2110-00945-1 Pflag RAmdeg 276.33596775 DEmdeg 26.08408942
PmRA -2.8 PmDE -11.5 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.1 EpRAm 1991.23 EpDEm 1991.36
Num 10 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 8.970 E BTmag 0.017 VTmag 7.823
E VTmag 0.011 Prox 12 TYC T HIP 90288
CCDM A RAdeg 276.33597444 DEdeg 26.08411583 EpRA 1990 1.53
EpDE 1990 1.67 E RAdeg 5.4 E DEdeg 5.1 Posflg
Corr 0.0
SAO
SAO 86025 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.013 Vmag 8.1 SpType K0
Double code Source 34 CatNum 8887 DM BD+26 3247
DMcomp BDsup HD 169797 M HD 0
GC RA1950rad 4.81415345 DE1950rad 0.45474084 PmRA2000 -0.0005
PmDE2000 -0.014
Hipparcos
Catalog H HIP 90288 Proxy H RAhms 18 25 20.63
DEdms +26 05 02.8 Vmag 7.66 VarFlag R Vmag G
RAdeg 276.336 DEdeg 26.0841 AstroRef A Plx 3.01
CCDM 18253+2605 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AE
Theta 87 Rho 1.211 HD 169797 BD BD+26 3247
CD CP Dm number +26 3247 VIred 0.96
SpType G8III R SpType Coord arcsec 2000 182520.63+260502.8
Hipparcos 2
HIP 90288 Sn 15 So 3 Nc 2
RArad 4.8229725633 DErad 0.4552537187 Plx 3.71 PmRA -3.42
PmDE -15.29 E RArad 0.41 E DErad 0.5 E Plx 0.73
E pmRA 0.52 E pmDE 0.68 Hpmag 7.844 E Hpmag 0.0013
SHp 0.014 VA 0 BV 0.984 E BV 0.005
VI 0.96
CCDM
Ccdm 18253+2605 RComp Comp A Note1
Note2 Discov num DRAs 2.63 DDEs 2.7
R dRAs 82 Year Theta Rho
Obs 5 Vmag 7.9 Sp K0 PmNote *
PmRA -3 PmDE -16 Dm number +26 3247 Cat1 BD
Name2 +26 1836 Cat2 AGK2/3 HD 169797 M HD
ADS BDS A11337 M ADS BDS N IDS IDS 18213N2602A
HIC 90288
 
 
18253+2605 Ab
 
 
Coord arcsec 2000 182520.71+260502.9 Mag 11.14 Spectral class IV PmRA -3.00
PmDE -16.0 Calc delta mag 3.32 Calc coord yes
 
 
18253+2605 B
 
 
Coord arcsec 2000 182519.45+260445.9 Mag 12.5 PmRA 12.00 PmDE -3.0
Calc delta mag 4.68
CCDM
Ccdm 18253+2605 RComp Comp B Note1
Note2 Discov num STF2317 DRAs DDEs
R dRAs Year 1904 Theta 224 Rho 24.8
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11337 M ADS BDS N N IDS IDS 18213N2602B
HIC
 
 
18253+2605 C
 
 
Coord arcsec 2000 182519.39+260447.0 Mag 12.7 Calc delta mag 4.88 Calc coord yes
CCDM
Ccdm 18253+2605 RComp B Comp C Note1
Note2 Discov num STF2317 DRAs DDEs
R dRAs Year 1901 Theta 323 Rho 1.1
Obs 6 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11337 M ADS BDS N IDS IDS 18213N2602C
HIC
 
 
18253+2605 D
 
 
Coord arcsec 2000 182520.16+260418.9 Mag 10.28 Spectral class IV PmRA 0.00
PmDE -11.0 Tycho2 2110-01219-1 Calc delta mag 2.46 Calc coord yes
Tycho2
Tycho2 2110-01219-1 Pflag RAmdeg 276.33366557 DEmdeg 26.07187245
PmRA -3.5 PmDE -10.5 E RAmdeg 27 E DEmdeg 29
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.37 EpDEm 1988.93
Num 4 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.5
Q pmDE 0.8 BTmag 11.393 E BTmag 0.060 VTmag 10.280
E VTmag 0.036 Prox 446 TYC T HIP
CCDM RAdeg 276.33367444 DEdeg 26.07189694 EpRA 1990 1.66
EpDE 1990 1.61 E RAdeg 26.8 E DEdeg 28.9 Posflg
Corr 0.0
CCDM
Ccdm 18253+2605 RComp Comp D Note1
Note2 Discov num STF2317 DRAs DDEs
R dRAs Year 1904 Theta 190 Rho 44.6
Obs 2 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11337 M ADS BDS N IDS IDS 18213N2602D
HIC
 
 
18253+2605 E
 
 
Coord arcsec 2000 182519.53+260428.3 Mag 14.2 Spectral class IV PmRA -9.00
PmDE -21.0 Calc delta mag 6.38 Calc coord yes
CCDM
Ccdm 18253+2605 RComp Comp E Note1
Note2 Discov num HDS DRAs 2.72 DDEs 2.8
R dRAs 82 Year 1991 Theta 087 Rho 1.2
Obs 1 Vmag 11.2 Sp PmNote
PmRA -3 PmDE -16 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90288
 
 
18253+2605 F
 
 
Coord arcsec 2000 182518.46+260402.3 Mag 13.58 Spectral class IV PmRA 0.00
PmDE -11.0 Calc delta mag 5.76 Calc coord yes