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Doubles in session


Current system
21598+2356
STF 2850
OU Peg


Nearby doubles
3' : 21596+2356
POU5601

12' : 21596+2407
POU5600

13' : 21590+2349
POU5596

14' : 22005+2406
POU5607

19' : 22006+2411
POU5609

20' : 22003+2415
POU5606

23' : 22013+2347
POU5613

24' : 21590+2417
POU5595

28' : 22017+2403
POU5617

29' : 21593+2424
POU5598

32' : 21575+2402
LDS4927

34' : 21588+2427
COU 839

34' : 21574+2354
POU5585

35' : 22016+2421
POU5615

36' : 22018+2334
HO 176

36' : 21573+2408
POU5584

39' : 22025+2348
POU5619

39' : 21598+2435
POU5604

41' : 22021+2422
BKO 774

42' : 21568+2357
POU5580

43' : 22024+2420
POU5618

45' : 21567+2412
POU5579

46' : 22010+2439
POU5611

47' : 22032+2358
J 289AB

47' : 21594+2443
POU5599

48' : 21583+2440
POU5592



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.

21598+2356 STF 2850 (OU Peg)

 
 
21h 59m 49.60s +23° 56' 27.4" P.A. 264.00 sep 2.8 mag 7.00,11.00 Sp M5 dist. 621.12 pc (2026.09 l.y.)
 
 
Coord 2000 21598+2356 Discov num STF2850 Comp Coord arcsec 2000 21 59 49.60 +23 56 27.4
Date first 1830 Date last 1983 Obs 15
Pa first 263 Pa last 264 P.A. Now (θ) 264°
Sep first 2.8 Sep last 2.82 Sep. Now (ρ) 2.82"
Mag pri 7.00 Mag sec 11.00 delta mag (ΔM) 4 Spectral class M5 (red)
Pri motion ra -006 Sec motion ra
Pri motion dec -027 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name OU Peg Constellation Pegasus SAO 90155 HIP 108588
Tycho2 2203-01564-1 Gaia DR2 1795337256472746624 HD 209026 GC 30777
ADS 15525 BD BD+23 4442 Distance 621.12 Distance ly 2026.09
 
 
WDS 21598+2356 STF 2850 (OU Peg) : NOTES
 
 
discov_num notes refcode
STF2850 A is an irregular variable.
 
 
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
21598+2356 STF2850 1983 15 264 2.8 7.00 11.00 M5 N 215949.60+235627.4

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

 
 
WDS 21598+2356 STF 2850 (OU Peg) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21598+2356 STF 2850 (OU Peg) : MEASURES
 
 
No records found.

 
 
WDS 21598+2356 (OU Peg) : VIRTUAL EYEPIECE
 
 

21598+2356 STF2850A mag 7 Sp M5 21598+2356 STF2850B sep 2.6 P.A. 263.40 mag 11 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 21598+2356 (OU Peg) : ALADIN DSS IMAGE @ 21h 59m 49.60s +23° 56' 27.4"
 
 
 
 
WDS 21598+2356 STF 2850 (OU Peg) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21598+2356 STF2850 distance=0' 21596+2356 POU5601 distance=3' 21596+2407 POU5600 distance=12' 21590+2349 POU5596 distance=13' 22005+2406 POU5607 distance=14' 22006+2411 POU5609 distance=19' 22003+2415 POU5606 distance=20' 22013+2347 POU5613 distance=23' 21590+2417 POU5595 distance=24' 22017+2403 POU5617 distance=28' 21593+2424 POU5598 distance=29' 21575+2402 LDS4927 distance=32' 21588+2427 COU 839 distance=34' 21574+2354 POU5585 distance=34' 22016+2421 POU5615 distance=35' 22018+2334 HO 176 distance=36' 21573+2408 POU5584 distance=36' 22025+2348 POU5619 distance=39' 21598+2435 POU5604 distance=39' 22021+2422 BKO 774 distance=41' 21568+2357 POU5580 distance=42' 22024+2420 POU5618 distance=43' 21567+2412 POU5579 distance=45' 22010+2439 POU5611 distance=46' 22032+2358 J 289AB distance=47' 22032+2358 J 289AC distance=47' 21594+2443 POU5599 distance=47' 21583+2440 POU5592 distance=48' 21564+2344 POU5578 distance=49' 21578+2437 POU5590 distance=49' 21561+2354 POU5575 distance=52' 21564+2335 HJ 1708 distance=52' 21576+2440 POU5589 distance=53' 21584+2447 POU5594 distance=54' 22034+2335 POU5622 distance=54' 22027+2434 POU5621 distance=55' 21598+2451 POU5603 distance=55' 21559+2347 TDT3246 distance=56' 22039+2406 J 1246AB distance=56' 22039+2406 J 1246AC distance=56' 22006+2451 POU5608 distance=56' 21596+2453 POU5602 distance=56' 22017+2446 POU5616 distance=57' 21561+2420 STT 454AB distance=57' 21561+2420 STT 454AC distance=57' 22000+2454 POU5605 distance=58' 21556+2356 POU5571 distance=58' 22010+2453 POU5612 distance=59' 22040+2409 GCB 63 distance=59' 21556+2406 POU5572 distance=59' 21574+2446 POU5586 distance=60' 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 21598+2356 STF2850 264 2.8
Show 21596+2356 POU5601 313 17.1 3
Show 21596+2407 POU5600 332 15.8 12
Show 21590+2349 POU5596 353 18.3 13
Show 22005+2406 POU5607 73 7.6 14
Show 22006+2411 POU5609 150 8.6 19
Show 22003+2415 POU5606 296 13.4 20
Show 22013+2347 POU5613 20 14.9 23
Show 21590+2417 POU5595 298 6.7 24
Show 22017+2403 POU5617 139 13.2 28
Show 21593+2424 POU5598 86 4.9 29
Show 21575+2402 LDS4927 10 31.4 32
Show 21588+2427 COU 839 95 0.3 34
Show 21574+2354 POU5585 75 5.1 34
Show 22016+2421 POU5615 136 7.8 35
Show 22018+2334 HO 176 179 1.2 36
Show 21573+2408 POU5584 324 19.7 36
Show 22025+2348 POU5619 101 14.7 39
Show 21598+2435 POU5604 34 7.7 39
Show 22021+2422 BKO 774 255 5.2 41
Show 21568+2357 POU5580 140 15.1 42
Show 22024+2420 POU5618 65 7.5 43
Show 21567+2412 POU5579 314 6.8 45
Show 22010+2439 POU5611 20 14.2 46
Show 22032+2358 J 289 AB 136 1.8 47
Show 22032+2358 J 289 AC 28 20.9 47
Show 21594+2443 POU5599 306 11.1 47
Show 21583+2440 POU5592 98 9.3 48
Show 21564+2344 POU5578 86 3.4 49
Show 21578+2437 POU5590 137 10.3 49
Show 21561+2354 POU5575 267 16.3 52
Show 21564+2335 HJ 1708 236 7.2 52
Show 21576+2440 POU5589 24 13.3 53
Show 21584+2447 POU5594 287 9.4 54
Show 22034+2335 POU5622 325 10.5 54
Show 22027+2434 POU5621 256 19.8 55
Show 21598+2451 POU5603 3.5 55
Show 21559+2347 TDT3246 99 0.7 56
Show 22039+2406 J 1246 AB 352 3.0 56
Show 22039+2406 J 1246 AC 355 25.7 56
Show 22006+2451 POU5608 116 11.0 56
Show 21596+2453 POU5602 113 9.9 56
Show 22017+2446 POU5616 78 13.9 57
Show 21561+2420 STT 454 AB 278 7.4 57
Show 21561+2420 STT 454 AC 264 43.0 57
Show 22000+2454 POU5605 64 7.2 58
Show 21556+2356 POU5571 314 17.3 58
Show 22010+2453 POU5612 179 12.3 59
Show 22040+2409 GCB 63 2 1.6 59
Show 21556+2406 POU5572 277 20.4 59
Show 21574+2446 POU5586 339 3.7 60

 
 
WDS 21598+2356 : COMPONENTS
 
 
  A
B pa=263.4°
sep=2.58"
 
 
21598+2356 A
 
 
Componente originario normalizzato AB Name OU Peg Coord arcsec 2000 215949.60+235627.4 Mag 7
Spectral class M5 (red) PmRA -6.00 PmDE -27.0 SAO 90155
HIP 108588 Tycho2 2203-01564-1 HD 209026 GC 30777
ADS 15525 BD BD+23 4442
Tycho2
Tycho2 2203-01564-1 Pflag RAmdeg 329.95663510 DEmdeg 23.94087712
PmRA -6.9 PmDE -22.3 E RAmdeg 5 E DEmdeg 6
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.25 EpDEm 1990.97
Num 12 Q RAmdeg 1.6 Q DEmdeg 1.7 Q pmRA 1.6
Q pmDE 1.7 BTmag 8.794 E BTmag 0.019 VTmag 7.220
E VTmag 0.011 Prox 999 TYC T HIP 108588
CCDM RAdeg 329.95665306 DEdeg 23.94092917 EpRA 1990 1.75
EpDE 1990 1.70 E RAdeg 5.1 E DEdeg 5.7 Posflg
Corr -0.2
SAO
SAO 90155 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 -0.021 Vmag 7 SpType Mb
Double code Source 70 CatNum 30777 DM BD+23 4442
DMcomp BDsup HD 209026 M HD 0
GC 30777 RA1950rad 5.74873301 DE1950rad 0.41365878 PmRA2000 -0.0007
PmDE2000 -0.026
Hipparcos
Catalog H HIP 108588 Proxy RAhms 21 59 49.60
DEdms +23 56 27.4 Vmag 7.97 VarFlag 2 R Vmag H
RAdeg 329.957 DEdeg 23.9409 AstroRef * Plx 1.79
CCDM 21598+2356 N CCDM I Nsys 1 Ncomp 1
MultFlag V Source Qual M HIP
Theta Rho HD 209026 BD BD+23 4442
CD CP Dm number +23 4442 VIred 5.51
SpType M5 R SpType Coord arcsec 2000 215949.60+235627.4
Hipparcos 2
HIP 108588 Sn 5 So 5 Nc 1
RArad 5.7588300051 DErad 0.4178480808 Plx 1.61 PmRA -12.38
PmDE -22.42 E RArad 0.51 E DErad 0.52 E Plx 0.6
E pmRA 0.65 E pmDE 0.64 Hpmag 6.5853 E Hpmag 0.0232
SHp 0.125 VA 2 BV 0.4 E BV 0.6
VI 5.51
CCDM
Ccdm 21598+2356 RComp Comp A Note1
Note2 Discov num DRAs 1.62 DDEs 27.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.0 Sp M3 PmNote *
PmRA 2 PmDE -16 Dm number +23 4442 Cat1 BD
Name2 +23 2269 Cat2 AGK2/3 HD 209026 M HD
ADS BDS A15525 M ADS BDS N IDS IDS 21552N2328A
HIC 108588
 
 
21598+2356 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215949.41+235627.1 Mag 11 Calc delta mag 4
Calc coord yes
CCDM
Ccdm 21598+2356 RComp Comp B Note1
Note2 Discov num STF2850 DRAs DDEs
R dRAs Year 1830 Theta 261 Rho 2.9
Obs 10 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15525 M ADS BDS N IDS IDS 21552N2328B
HIC 108588