stampa
Login

Less is more. Filter out doubles you can't observe!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
19501+5439
STF 2598
HD 187979


Nearby doubles
15' : 19504+5425
TDT1792

16' : 19496+5454
ES 659

19' : 19520+5448
TDT1809

27' : 19471+5438
TDT1743

28' : 19531+5430
STI2471AB

34' : 19463+5438
YSC 69

41' : 19455+5446
STI2454

49' : 19449+5424
KPP 581

51' : 19471+5357
TDT1744AB

55' : 19562+5427
STI2478

55' : 19560+5419
ES 985

59' : 19520+5536
STI2467

59' : 19569+5434
STI2484

60' : 19433+5434
FMR 153

63' : 19517+5339
ES 2683

64' : 19575+5442
STI2487

66' : 19573+5501
TDT1873

66' : 19500+5333
TDT1785

67' : 19429+5419
STI2450

67' : 19429+5501
MLR 579

69' : 19577+5423
STI2488

75' : 19417+5424
TDT1639

76' : 19501+5554
STI2463

80' : 19550+5547
STI2474

81' : 19410+5447
STI2448

82' : 19455+5550
UC 4019



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.

19501+5439 STF 2598 (HD 187979)

 
 
19h 50m 07.53s +54° 39' 06.5" P.A. 150.00 sep 11.9 mag 8.17,10.58 Sp K5 dist. 317.46 pc (1035.55 l.y.)
 
 
Coord 2000 19501+5439 Discov num STF2598 Comp Coord arcsec 2000 19 50 07.53 +54 39 06.5
Date first 1828 Date last 2021 Obs 25
Pa first 145 Pa last 149.6 P.A. Now (θ) 149.6°
Sep first 12.0 Sep last 11.86 Sep. Now (ρ) 11.86"
Mag pri 8.17 Mag sec 10.58 delta mag (ΔM) 2.41 Spectral class K5 (yellow-orange)
Pri motion ra +001 Sec motion ra -015
Pri motion dec -003 Sec motion dec -012
Notes
rPM=0.956
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187979 Constellation Cygnus SAO 32037 HIP 97587
Tycho2 3939-01659-1 Gaia DR2 2137872305765423104 HD 187979 GC 27495
ADS 13018 BD BD+54 2232 Distance 317.46 Distance ly 1035.55
 
 
WDS 19501+5439 STF 2598 (HD 187979) : 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
19501+5439 STF2598 2003 16 150 11.8 8.17 10.58 K5 D 195007.53+543906.5
19501+5439 STF2598 2015 19 150 11.8 8.17 10.58 K5 195007.53+543906.5
19501+5439 STF2598 2018 20 150 11.8 8.17 10.58 K5 195007.53+543906.5
19501+5439 STF2598 2021 25 150 11.9 8.17 10.58 K5 195007.53+543906.5

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

 
 
WDS 19501+5439 STF 2598 (HD 187979) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19501+5439 STF 2598 (HD 187979) : MEASURES
 
 
No records found.

 
 
WDS 19501+5439 (HD 187979) : VIRTUAL EYEPIECE
 
 

19501+5439 STF2598A mag 8.17 Sp K5 19501+5439 STF2598B sep 10.8 P.A. 161.30 mag 10.58 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 19501+5439 (HD 187979) : ALADIN DSS IMAGE @ 19h 50m 07.53s +54° 39' 06.5"
 
 
 
 
WDS 19501+5439 STF 2598 (HD 187979) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19501+5439 STF2598 distance=0' 19504+5425 TDT1792 distance=15' 19496+5454 ES 659 distance=16' 19520+5448 TDT1809 distance=19' 19471+5438 TDT1743 distance=27' 19531+5430 STI2471CD distance=27' 19531+5430 STI2471AB distance=28' 19531+5430 STI2471AB,CD distance=28' 19463+5438 YSC 69 distance=34' 19455+5446 STI2454 distance=41' 19449+5424 KPP 581 distance=49' 19471+5357 TDT1744AB distance=51' 19471+5357 SMA 96AC distance=51' 19562+5427 STI2478 distance=55' 19560+5419 ES 985 distance=55' 19520+5536 STI2467 distance=59' 19569+5434 STI2484 distance=59' 19433+5434 FMR 153 distance=60' 19517+5339 ES 2683 distance=63' 19575+5442 STI2487 distance=64' 19573+5501 TDT1873 distance=66' 19500+5333 TDT1785 distance=66' 19429+5419 STI2450 distance=67' 19429+5501 MLR 579 distance=67' 19577+5423 STI2488 distance=69' 19417+5424 TDT1639 distance=75' 19501+5554 STI2463 distance=76' 19550+5547 STI2474 distance=80' 19410+5447 STI2448 distance=81' 19455+5550 UC 4019 distance=82' 19408+5442 UC 4004 distance=82' 19581+5355 ARG 35 distance=83' 19484+5600 ES 2682 distance=83' 19558+5545 STI2476 distance=83' 19596+5451 STI2491 distance=83' 19443+5547 HJ 1438 distance=84' 19510+5603 TDS1020 distance=84' 19450+5551 HJ 1439 distance=85' 19541+5558 STI2473 distance=86' 19564+5546 STI2480 distance=86' 19530+5606 ARG 105 distance=91' 19592+5526 STI2490 distance=92' 19527+5308 TDT1817 distance=94' 19398+5517 STI2446 distance=97' 19465+5308 ES 658CD distance=97' 19465+5308 ES 658AB distance=97' 19465+5308 ES 658AC distance=97' 19387+5458 CIA 13 distance=101' 19524+5257 TDT1816 distance=104' 20021+5439 BU 426AB distance=105' 20021+5439 BU 426AC distance=105' 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 19501+5439 STF2598 150 11.9
Show 19504+5425 TDT1792 146 0.6 15
Show 19496+5454 ES 659 171 14.9 16
Show 19520+5448 TDT1809 296 1.0 19
Show 19471+5438 TDT1743 110 2.6 27
Show 19531+5430 STI2471 CD 299 10.5 27
Show 19531+5430 STI2471 AB 113 11.7 28
Show 19531+5430 STI2471 AB,CD 358 141.8 28
Show 19463+5438 YSC 69 13 0.1 34
Show 19455+5446 STI2454 30 9.1 41
Show 19449+5424 KPP 581 320 5.4 49
Show 19471+5357 TDT1744 AB 184 0.8 51
Show 19471+5357 SMA 96 AC 191 9.8 51
Show 19562+5427 STI2478 152 14.7 55
Show 19560+5419 ES 985 291 3.1 55
Show 19520+5536 STI2467 138 3.0 59
Show 19569+5434 STI2484 29 7.8 59
Show 19433+5434 FMR 153 103 36.8 60
Show 19517+5339 ES 2683 318 10.0 63
Show 19575+5442 STI2487 229 6.7 64
Show 19573+5501 TDT1873 38 1.7 66
Show 19500+5333 TDT1785 60 1.1 66
Show 19429+5419 STI2450 131 13.3 67
Show 19429+5501 MLR 579 34 0.4 67
Show 19577+5423 STI2488 4 8.7 69
Show 19417+5424 TDT1639 257 2.2 75
Show 19501+5554 STI2463 285 12.1 76
Show 19550+5547 STI2474 93 4.0 80
Show 19410+5447 STI2448 196 7.4 81
Show 19455+5550 UC 4019 137 65.9 82
Show 19408+5442 UC 4004 346 36.3 82
Show 19581+5355 ARG 35 227 7.4 83
Show 19484+5600 ES 2682 255 9.0 83
Show 19558+5545 STI2476 354 10.5 83
Show 19596+5451 STI2491 233 9.7 83
Show 19443+5547 HJ 1438 65 14.5 84
Show 19510+5603 TDS1020 262 1.1 84
Show 19450+5551 HJ 1439 205 33.2 85
Show 19541+5558 STI2473 326 6.1 86
Show 19564+5546 STI2480 257 3.6 86
Show 19530+5606 ARG 105 305 55.8 91
Show 19592+5526 STI2490 18 8.0 92
Show 19527+5308 TDT1817 67 0.6 94
Show 19398+5517 STI2446 279 10.9 97
Show 19465+5308 ES 658 CD 281 8.6 97
Show 19465+5308 ES 658 AB 306 6.5 97
Show 19465+5308 ES 658 AC 90 30.9 97
Show 19387+5458 CIA 13 226 0.0 101
Show 19524+5257 TDT1816 232 0.6 104
Show 20021+5439 BU 426 AB 306 5.9 105
Show 20021+5439 BU 426 AC 53 163.2 105

 
 
WDS 19501+5439 : COMPONENTS
 
 
  A
B pa=161.3°
sep=10.80"
 
 
19501+5439 A
 
 
Componente originario normalizzato AB Name HD 187979 Coord arcsec 2000 195007.53+543906.5 Mag 8.17
Spectral class K5 (yellow-orange) PmRA 1.00 PmDE -3.0 SAO 32037
HIP 97587 Tycho2 3939-01659-1 HD 187979 GC 27495
ADS 13018 BD BD+54 2232
Tycho2
Tycho2 3939-01659-1 Pflag RAmdeg 297.53138676 DEmdeg 54.65179728
PmRA 1.0 PmDE 1.8 E RAmdeg 7 E DEmdeg 8
E pmRA 1.0 E pmDE 1.1 EpRAm 1990.65 EpDEm 1990.69
Num 13 Q RAmdeg 0.9 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.7 BTmag 10.151 E BTmag 0.028 VTmag 8.173
E VTmag 0.013 Prox 117 TYC T HIP 97587
CCDM A RAdeg 297.53138250 DEdeg 54.65179333 EpRA 1990 1.66
EpDE 1990 1.61 E RAdeg 7.4 E DEdeg 7.7 Posflg
Corr 0.1
SAO
SAO 32037 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.017 Vmag 7.9 SpType K5
Double code Source 70 CatNum 27495 DM BD+54 2232
DMcomp BDsup HD 187979 M HD 0
GC 27495 RA1950rad 5.18778634 DE1950rad 0.95162302 PmRA2000 0.0006
PmDE2000 0.016
Hipparcos
Catalog H HIP 97587 Proxy RAhms 19 50 07.53
DEdms +54 39 06.4 Vmag 8.03 VarFlag R Vmag G
RAdeg 297.531 DEdeg 54.6518 AstroRef A Plx 3.07
CCDM 19501+5439 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 187979 BD BD+54 2232
CD CP Dm number +54 2232 VIred 1.62
SpType K5 R SpType Coord arcsec 2000 195007.53+543906.4
Hipparcos 2
HIP 97587 Sn 95 So 3 Nc 1
RArad 5.1929022267 DErad 0.9538536927 Plx 3.15 PmRA -0.12
PmDE -1.92 E RArad 0.7 E DErad 0.65 E Plx 0.73
E pmRA 0.92 E pmDE 0.79 Hpmag 8.1084 E Hpmag 0.0044
SHp 0.02 VA 0 BV 1.601 E BV 0.218
VI 1.62
CCDM
Ccdm 19501+5439 RComp Comp A Note1
Note2 Discov num DRAs 1.54 DDEs 6.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp K5 PmNote *
PmRA 0 PmDE -3 Dm number +54 2232 Cat1 BD
Name2 +54 1260 Cat2 AGK2/3 HD 187979 M HD
ADS BDS A13018 M ADS BDS N IDS IDS 19478N5424A
HIC 97587
 
 
19501+5439 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195007.93+543856.3 Mag 10.58 PmRA -15.00
PmDE -12.0 HIP 97589 Calc delta mag 2.41 Calc coord yes
Hipparcos
Catalog H HIP 97589 Proxy RAhms 19 50 08.22
DEdms +54 38 56.4 Vmag 10.48 VarFlag R Vmag H
RAdeg 297.534 DEdeg 54.649 AstroRef B Plx 6.14
CCDM 19501+5439 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.72
SpType R SpType Coord arcsec 2000 195008.22+543856.4
Hipparcos 2
HIP 97589 Sn 95 So 3 Nc 1
RArad 5.1929526403 DErad 0.9538049361 Plx 3.11 PmRA 4.54
PmDE -0.88 E RArad 1.41 E DErad 1.3 E Plx 1.45
E pmRA 1.84 E pmDE 1.71 Hpmag 10.5834 E Hpmag 0.0383
SHp 0 VA 0 BV 0.325 E BV 0.11
VI 0.38
CCDM
Ccdm 19501+5439 RComp Comp B Note1
Note2 Discov num STF2598 DRAs DDEs
R dRAs Year 1832 Theta 148 Rho 11.2
Obs 6 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13018 M ADS BDS N IDS IDS 19478N5424B
HIC 97589