18499+2626 STF 2406 (HD 174549)

 
 
18h 49m 55.77s +26° 25' 30.6" P.A. 4.00 sep 4.6 mag 7.12,11.21 Sp A3V dist. 118.34 pc (386.03 l.y.)
 
 
Coord 2000 18499+2626 Discov num STF2406 Comp Coord arcsec 2000 18 49 55.77 +26 25 30.6
Date first 1830 Date last 2018 Obs 18
Pa first 5 Pa last 4 P.A. Now (θ) 4°
Sep first 4.9 Sep last 4.58 Sep. Now (ρ) 4.58"
Mag pri 7.12 Mag sec 11.21 delta mag (ΔM) 4.09 Spectral class A3V (white)
Pri motion ra -004 Sec motion ra -001
Pri motion dec +023 Sec motion dec +023
Notes
rPM=0.129 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 174549 Constellation Lyra SAO 86481 HIP 92410
Tycho2 2116-02266-1 Gaia DR2 4537965932752111360 HD 174549 GC 25838
BD BD+26 3368 Distance 118.34 Distance ly 386.03
 
 
WDS 18499+2626 STF 2406 (HD 174549) : 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
18499+2626 STF2406 2004 15 5 4.8 7.12 11.21 A3V D 184955.77+262530.6
18499+2626 STF2406 2016 16 6 4.6 7.12 11.21 A3V 184955.77+262530.6
18499+2626 STF2406 2018 18 4 4.6 7.12 11.21 A3V 184955.77+262530.6

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

 
 
WDS 18499+2626 STF 2406 (HD 174549) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18499+2626 STF 2406 (HD 174549) : MEASURES
 
 
No records found.

 
 
WDS 18499+2626 (HD 174549) : VIRTUAL EYEPIECE
 
 

18499+2626 STF2406A mag 7.12 Sp A3V 18499+2626 STF2406B sep 4.6 P.A. 3.60 mag 11.21 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18499+2626 (HD 174549) : ALADIN DSS IMAGE @ 18h 49m 55.77s +26° 25' 30.6"
 
 
 
 
WDS 18499+2626 STF 2406 (HD 174549) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18499+2626 STF2406 distance=1' 18493+2606 BRT3334 distance=22' 18488+2603 TDT1066 distance=28' 18525+2632 HDS2677Aa,Ab distance=35' 18525+2632 TOK 326AB distance=35' 18525+2602 TDT1100 distance=43' 18524+2555 TDT1097 distance=45' 18518+2703 KPP 829 distance=46' 18484+2544 A 255 distance=47' 18534+2553 A 2989 distance=57' 18543+2610 TDT1121 distance=61' 18509+2522 TDT1083 distance=66' 18475+2724 BRT 35 distance=67' 18462+2542 SLE 509 distance=67' 18550+2637 TDT1124 distance=69' 18531+2526 KPP1560 distance=74' 18459+2719 PHL9001 distance=76' 18508+2510 POU3567 distance=77' 18541+2718 HJ 1355 distance=77' 18460+2720 HJ 1343 distance=78' 18533+2523 STT 364 distance=78' 18441+2623 HDS2653 distance=79' 18448+2704 TDT1029 distance=79' 18518+2511 POU3570 distance=79' 18553+2700 STF2418 distance=81' 18540+2728 LDS4801 distance=83' 18460+2422 SLE 508 distance=83' 18492+2503 CHR 79AB distance=84' 18452+2529 TDT1032 distance=86' 18461+2734 SLE 366 distance=86' 18565+2652 TDT1139 distance=93' 18503+2453 POU3564 distance=93' 18443+2720 TDS 941 distance=94' 18446+2727 TVB 8 distance=94' 18429+2636 KPP1310 distance=95' 18513+2450 POU3569 distance=97' 18433+2546 SLE 505 distance=98' 18440+2528 SLE 507 distance=99' 18571+2606 STF2422 distance=99' 18492+2447 POU3556 distance=100' 18441+2728 RAO 397 distance=100' 18528+2453 POU3576 distance=100' 18499+2806 OSO 104AB distance=101' 18499+2806 OSO 104AD distance=101' 18499+2806 OSO 104AE distance=101' 18499+2806 OSO 104AF distance=101' 18499+2806 OSO 104AG distance=101' 18576+2633 TDT1148 distance=103' 18564+2723 TDT1137 distance=105' 18567+2718 COU1015 distance=105' 18522+2445 POU3573 distance=106' 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 18499+2626 STF2406 4 4.6 1
Show 18493+2606 BRT3334 219 5.2 22
Show 18488+2603 TDT1066 106 0.6 28
Show 18525+2632 HDS2677 Aa,Ab 81 1.0 35
Show 18525+2632 TOK 326 AB 77 1.0 35
Show 18525+2602 TDT1100 148 2.4 43
Show 18524+2555 TDT1097 113 2.1 45
Show 18518+2703 KPP 829 52 7.1 46
Show 18484+2544 A 255 69 4.9 47
Show 18534+2553 A 2989 199 0.3 57
Show 18543+2610 TDT1121 112 0.8 61
Show 18509+2522 TDT1083 189 0.6 66
Show 18475+2724 BRT 35 50 5.1 67
Show 18462+2542 SLE 509 18 19.9 67
Show 18550+2637 TDT1124 47 2.8 69
Show 18531+2526 KPP1560 356 11.8 74
Show 18459+2719 PHL9001 129 14.1 76
Show 18508+2510 POU3567 273 6.9 77
Show 18541+2718 HJ 1355 223 12.1 77
Show 18460+2720 HJ 1343 118 7.9 78
Show 18533+2523 STT 364 163 0.7 78
Show 18441+2623 HDS2653 284 4.9 79
Show 18448+2704 TDT1029 107 0.5 79
Show 18518+2511 POU3570 131 10.9 79
Show 18553+2700 STF2418 6 16.1 81
Show 18540+2728 LDS4801 351 244.1 83
Show 18460+2422 SLE 508 194 6.7 83
Show 18492+2503 CHR 79 AB 124 0.2 84
Show 18452+2529 TDT1032 122 0.5 86
Show 18461+2734 SLE 366 337 10.0 86
Show 18565+2652 TDT1139 242 2.9 93
Show 18503+2453 POU3564 47 11.7 93
Show 18443+2720 TDS 941 92 0.8 94
Show 18446+2727 TVB 8 334 10.7 94
Show 18429+2636 KPP1310 46 10.0 95
Show 18513+2450 POU3569 255 16.4 97
Show 18433+2546 SLE 505 145 12.7 98
Show 18440+2528 SLE 507 70 18.3 99
Show 18571+2606 STF2422 71 0.8 99
Show 18492+2447 POU3556 285 8.2 100
Show 18441+2728 RAO 397 326 3.5 100
Show 18528+2453 POU3576 215 4.6 100
Show 18499+2806 OSO 104 AB 112 5.0 101
Show 18499+2806 OSO 104 AD 27 12.7 101
Show 18499+2806 OSO 104 AE 252 15.1 101
Show 18499+2806 OSO 104 AF 46 23.6 101
Show 18499+2806 OSO 104 AG 135 22.1 101
Show 18576+2633 TDT1148 349 0.6 103
Show 18564+2723 TDT1137 299 0.9 105
Show 18567+2718 COU1015 92 1.0 105
Show 18522+2445 POU3573 174 11.9 106

 
 
WDS 18499+2626 : COMPONENTS
 
 
  A
B pa=3.6°
sep=4.58"
 
 
18499+2626 A
 
 
Componente originario normalizzato AB Name HD 174549 Coord arcsec 2000 184955.77+262530.6 Mag 7.12
Spectral class A3V (white) PmRA -4.00 PmDE 23.0 SAO 86481
HIP 92410 Tycho2 2116-02266-1 HD 174549 GC 25838
BD BD+26 3368
Tycho2
Tycho2 2116-02266-1 Pflag RAmdeg 282.48238403 DEmdeg 26.42515724
PmRA -3.9 PmDE 23.0 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.8 EpRAm 1991.27 EpDEm 1991.29
Num 14 Q RAmdeg 1.2 Q DEmdeg 1.8 Q pmRA 1.2
Q pmDE 1.9 BTmag 7.242 E BTmag 0.015 VTmag 7.124
E VTmag 0.010 Prox 48 TYC T HIP 92410
CCDM A RAdeg 282.48239417 DEdeg 26.42510361 EpRA 1990 1.61
EpDE 1990 1.68 E RAdeg 3.8 E DEdeg 3.7 Posflg
Corr 0.0
SAO
SAO 86481 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.032 Vmag 6.9 SpType A2
Double code Source 70 CatNum 25838 DM BD+26 3368
DMcomp BDsup HD 174549 M HD 0
GC 25838 RA1950rad 4.92142305 DE1950rad 0.46017194 PmRA2000 0.0002
PmDE2000 0.031
Hipparcos
Catalog H HIP 92410 Proxy H RAhms 18 49 55.77
DEdms +26 25 30.4 Vmag 7.1 VarFlag R Vmag H
RAdeg 282.482 DEdeg 26.4251 AstroRef A Plx 7.83
CCDM 18499+2626 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 4 Rho 4.791 HD 174549 BD BD+26 3368
CD CP Dm number +26 3368 VIred 0.09
SpType A2 R SpType Coord arcsec 2000 184955.77+262530.4
Hipparcos 2
HIP 92410 Sn 15 So 3 Nc 2
RArad 4.9302478558 DErad 0.4612050207 Plx 8.45 PmRA -1.59
PmDE 22.84 E RArad 0.33 E DErad 0.39 E Plx 0.55
E pmRA 0.4 E pmDE 0.5 Hpmag 7.1312 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.2 E BV 0.495
VI 0.09
CCDM
Ccdm 18499+2626 RComp Comp A Note1
Note2 Discov num DRAs 1.73 DDEs -29.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.9 Sp A2 PmNote *
PmRA -8 PmDE 28 Dm number +26 3368 Cat1 BD
Name2 +26 1916 Cat2 AGK2/3 HD 174549 M HD
ADS BDS A11733 M ADS BDS N IDS IDS 18459N2619A
HIC 92410
 
 
18499+2626 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184955.79+262535.2 Mag 11.21 PmRA -1.00
PmDE 23.0 Calc delta mag 4.09 Calc coord yes
CCDM
Ccdm 18499+2626 RComp Comp B Note1
Note2 Discov num STF2406 DRAs DDEs
R dRAs Year 1830 Theta 002 Rho 4.8
Obs 7 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11733 M ADS BDS N IDS IDS 18459N2619B
HIC 92410