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Doubles in session


Current system
22070+2521
STT 596 AB
Iot Peg


Nearby doubles
7' : 22066+2524
POU5637

8' : 22071+2514
UC 4654

11' : 22077+2521
POU5641

19' : 22075+2538
A 308

20' : 22084+2525
POU5644

21' : 22055+2524
FMR 168AB

27' : 22090+2518
POU5647

29' : 22079+2454
POU5642

29' : 22087+2502
POU5645

30' : 22049+2516
LDS1489

30' : 22048+2523
POU5630

32' : 22092+2510
POU5648

34' : 22075+2447
TDS1157

38' : 22091+2545
UC 4664

41' : 22056+2444
POU5633

42' : 22044+2500
POU5629

42' : 22093+2453
POU5649

43' : 22100+2515
POU5652

45' : 22055+2441
POU5632

47' : 22069+2434
TDT3349

49' : 22034+2516
POU5623

54' : 22066+2427
POU5638

55' : 22047+2436
J 2363

59' : 22063+2423
POU5636

61' : 22026+2514
POU5620

62' : 22077+2622
COU 537



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.

22070+2521 STT 596 AB (Iot Peg)

 
 
22h 07m 00.67s +25° 20' 42.4" P.A. 229.00 sep 127.2 mag 3.81,11.26 Sp F5V dist. 11.73 pc (38.26 l.y.)
 
 
Coord 2000 22070+2521 Discov num STT 596 Comp AB Coord arcsec 2000 22 07 00.67 +25 20 42.4
Date first 1852 Date last 2001 Obs 10
Pa first 213 Pa last 228.6 P.A. Now (θ) 228.6°
Sep first 92.1 Sep last 127.223 Sep. Now (ρ) 127.223"
Mag pri 3.81 Mag sec 11.26 delta mag (ΔM) 7.45 Spectral class F5V (yellow-white)
Pri motion ra +297 Sec motion ra -014
Pri motion dec +027 Sec motion dec -012
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.051
This double is not physical.
 
 
22070+2521 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 90238 22 07 01 +25 20 42 PTI 1 Aa,Ab 2006 3 173 0.0 3.50 5.70 2.20
Show Iot Peg 90238 22 07 01 +25 20 42 STT 596 AB 2001 10 229 127.2 3.81 11.26 7.45 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Iot Peg Var name NSV14034 Peg Constellation Pegasus SAO 90238
HIP 109176 Tycho2 2208-02471-1 HD 210027 HR 8430
GC 30932 GL Gl 848 BD BD+24 4533 Bayer Iota Pegasi
Bayer name Iot Peg Flamsteed 24 Pegasi Flamsteed name 24 Peg FK5 831
Distance 11.73 Distance ly 38.26 Bayer greek ι Peg
 
 
WDS 22070+2521 STT 596 AB (Iot Peg) : NOTES
 
 
discov_num notes refcode
STT 596 iot Peg = 24 Peg. The primary is a spectroscopic binary.
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
PTI 1 SB2. Combined solution by Boden et al. (1999), including visibilities Bod1999a
from the Palomar Testbed Interferometer, plus spectroscopy. Authors
give two very similar solutions, made using two data sets. Values were
averaged in the orbit catalog.
See also discussion of iot Peg system by Morel et al. (2000). Mrl2000
Combined spectroscopic/astrometric solution, based on high-resolution
echelle spectra plus archival PTI visibility measurements.
Derived masses 1.33249 +/- 0.00086 and 0.83050 +/-0.00055 Msun,
distance 11.534 +/- 0.019 pc. Knc2010
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.27 +/- 4.55, 2.36, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Bod1999a orb - Boden, A.F., Koresko, C.D., van Belle, G.T., Colavita, M.M., Dumont, P.J., 1999ApJ...515..356B
Bod1999a Gubler, J., Kulkarni, S.R., Lane, B.F., et al.
Bod1999a ApJ 515, 356, 1999
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Knc2010 orb - Konacki, M., Muterspaugh, M.W., Kulnarni, S.R., & Helminiak, K.G. 2010ApJ...719.1293K
Knc2010 ApJ 719, 1293, 2010
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Mrl2000 - Morel, P.J., Morel, Ch., Provost, J., & Berthomieu, G. 2000A&A...354..636M
Mrl2000 A&A 354, 636, 2000
 
 
DISCOVERER
 
 
idgroup discov author
1 PTI Lane, B.F., Boden, A.F. & Kulkarni, S.R.
4 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22070+2521 STT 596 AB 2001 10 229 127.2 3.81 11.26 F5V NL U 220700.67+252042.4

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

 
 
WDS 22070+2521 STT 596 AB (Iot Peg) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22070+2521 STT 596 AB (Iot Peg) : MEASURES
 
 
No records found.

 
 
WDS 22070+2521 (Iot Peg) : VIRTUAL EYEPIECE
 
 

22070+2521 STT 596A mag 3.81 Sp F5V 22070+2521 PTI 1Ab mag 5.7 22070+2521 STT 596B sep 120.5 P.A. 225.70 mag 11.26 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 22070+2521 (Iot Peg) : ALADIN DSS IMAGE @ 22h 07m 00.67s +25° 20' 42.4"
 
 
 
 
WDS 22070+2521 STT 596 AB (Iot Peg) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22070+2521 STT 596AB distance=1' 22070+2521 PTI 1Aa,Ab distance=1' 22066+2524 POU5637 distance=7' 22071+2514 UC 4654 distance=8' 22077+2521 POU5641 distance=11' 22075+2538 A 308 distance=19' 22084+2525 POU5644 distance=20' 22055+2524 FMR 168AB distance=21' 22090+2518 POU5647 distance=27' 22079+2454 POU5642 distance=29' 22087+2502 POU5645 distance=29' 22049+2516 LDS1489 distance=30' 22048+2523 POU5630 distance=30' 22092+2510 POU5648 distance=32' 22075+2447 TDS1157 distance=34' 22091+2545 UC 4664 distance=38' 22056+2444 POU5633 distance=41' 22044+2500 POU5629 distance=42' 22093+2453 POU5649 distance=42' 22100+2515 POU5652 distance=43' 22055+2441 POU5632 distance=45' 22069+2434 TDT3349 distance=47' 22034+2516 POU5623 distance=49' 22066+2427 POU5638 distance=54' 22047+2436 J 2363 distance=55' 22063+2423 POU5636 distance=59' 22026+2514 POU5620 distance=61' 22077+2622 COU 537 distance=62' 22081+2419 POU5643 distance=64' 22041+2612 UC 4639 distance=65' 22082+2418 GRV 541 distance=65' 22096+2425 POU5650 distance=65' 22082+2416 BKO 895 distance=67' 22114+2600 UC 4671 distance=72' 22120+2546 MLB 723 distance=73' 22120+2455 POU5660 distance=73' 22124+2529 POU5662 distance=74' 22083+2409 HDS3145 distance=74' 22110+2429 EGG 4 distance=75' 22027+2434 POU5621 distance=76' 22044+2414 POU5628 distance=76' 22102+2418 POU5653 distance=76' 22108+2425 CBL 99 distance=76' 22105+2421 POU5655 distance=77' 22078+2404 POU5640 distance=77' 22016+2459 POU5614 distance=78' 22043+2411 POU5627 distance=79' 22051+2405 POU5631 distance=80' 22126+2454 POU5663 distance=80' 22025+2612 A 307 distance=80' 22017+2446 POU5616 distance=80' 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 22070+2521 STT 596 AB 229 127.2 1
Show 22070+2521 PTI 1 Aa,Ab 173 0.0 1
Show 22066+2524 POU5637 107 13.2 7
Show 22071+2514 UC 4654 354 73.0 8
Show 22077+2521 POU5641 238 8.2 11
Show 22075+2538 A 308 312 0.2 19
Show 22084+2525 POU5644 322 16.1 20
Show 22055+2524 FMR 168 AB 243 75.0 21
Show 22090+2518 POU5647 110 20.9 27
Show 22079+2454 POU5642 243 16.2 29
Show 22087+2502 POU5645 134 13.9 29
Show 22049+2516 LDS1489 58 7.4 30
Show 22048+2523 POU5630 58 13.9 30
Show 22092+2510 POU5648 211 9.4 32
Show 22075+2447 TDS1157 24 2.2 34
Show 22091+2545 UC 4664 28 8.3 38
Show 22056+2444 POU5633 236 18.1 41
Show 22044+2500 POU5629 235 5.6 42
Show 22093+2453 POU5649 70 5.2 42
Show 22100+2515 POU5652 210 10.3 43
Show 22055+2441 POU5632 344 3.5 45
Show 22069+2434 TDT3349 280 0.7 47
Show 22034+2516 POU5623 329 19.1 49
Show 22066+2427 POU5638 163 17.6 54
Show 22047+2436 J 2363 211 7.6 55
Show 22063+2423 POU5636 42 18.2 59
Show 22026+2514 POU5620 248 12.4 61
Show 22077+2622 COU 537 328 0.2 62
Show 22081+2419 POU5643 283 4.2 64
Show 22041+2612 UC 4639 343 11.0 65
Show 22082+2418 GRV 541 269 45.8 65
Show 22096+2425 POU5650 294 16.2 65
Show 22082+2416 BKO 895 152 9.4 67
Show 22114+2600 UC 4671 27 39.9 72
Show 22120+2546 MLB 723 339 2.3 73
Show 22120+2455 POU5660 323 7.3 73
Show 22124+2529 POU5662 262 14.1 74
Show 22083+2409 HDS3145 338 0.1 74
Show 22110+2429 EGG 4 150 0.7 75
Show 22027+2434 POU5621 256 19.8 76
Show 22044+2414 POU5628 334 15.1 76
Show 22102+2418 POU5653 310 21.5 76
Show 22108+2425 CBL 99 135 73.0 76
Show 22105+2421 POU5655 223 13.5 77
Show 22078+2404 POU5640 355 9.0 77
Show 22016+2459 POU5614 295 14.0 78
Show 22043+2411 POU5627 167 7.6 79
Show 22051+2405 POU5631 9 17.8 80
Show 22126+2454 POU5663 240 12.1 80
Show 22025+2612 A 307 125 0.4 80
Show 22017+2446 POU5616 78 13.9 80

 
 
WDS 22070+2521 : COMPONENTS
 
 
  A Ab
Ab pa=173.9°
sep=0.01"
 
B pa=225.7°
sep=120.49"
pa=225.7°
sep=120.49"
 
 
22070+2521 A
 
 
Name Iot Peg Coord arcsec 2000 220700.67+252042.4 Mag 3.81 Spectral class F5V (yellow-white)
PmRA 297.00 PmDE 27.0 SAO 90238 HIP 109176
Tycho2 2208-02471-1 HD 210027 HR 8430 GC 30932
BD BD+24 4533 Bayer Iota Pegasi Bayer name Iot Flamsteed 24 Pegasi
Flamsteed name 24 Peg FK5 831
Tycho2
Tycho2 2208-02471-1 Pflag RAmdeg 331.75277679 DEmdeg 25.34511025
PmRA 297.4 PmDE 26.4 E RAmdeg 3 E DEmdeg 3
E pmRA 0.5 E pmDE 0.5 EpRAm 1991.09 EpDEm 1991.36
Num 23 Q RAmdeg 1.3 Q DEmdeg 0.7 Q pmRA 1.4
Q pmDE 0.8 BTmag 4.275 E BTmag 0.014 VTmag 3.809
E VTmag 0.009 Prox 999 TYC T HIP 109176
CCDM RAdeg 331.75201083 DEdeg 25.34505028 EpRA 1990 1.62
EpDE 1990 1.82 E RAdeg 3.4 E DEdeg 3.4 Posflg
Corr -0.2
SAO
SAO 90238 DelFlag RA1950 PmRA1950 0.022
DE1950 PmDE1950 0.028 Vmag 4 SpType F5
Double code Source 74 CatNum 831 DM BD+24 4533
DMcomp BDsup HD 210027 M HD 0
GC 30932 RA1950rad 5.78000948 DE1950rad 0.43808107 PmRA2000 0.0221
PmDE2000 0.024
Hipparcos
Catalog H HIP 109176 Proxy RAhms 22 07 00.47
DEdms +25 20 42.2 Vmag 3.77 VarFlag R Vmag G
RAdeg 331.752 DEdeg 25.345 AstroRef Plx 85.06
CCDM 22070+2520 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 210027 BD BD+24 4533
CD CP Dm number +24 4533 VIred 0.51
SpType F5V R SpType Coord arcsec 2000 220700.47+252042.2
Hipparcos 2
HIP 109176 Sn 1 So 0 Nc 1
RArad 5.7901643051 DErad 0.4423545037 Plx 85.28 PmRA 296.53
PmDE 27.29 E RArad 0.5 E DErad 0.53 E Plx 0.63
E pmRA 0.59 E pmDE 0.58 Hpmag 3.8678 E Hpmag 0.0006
SHp 0.004 VA 0 BV 0.435 E BV 0.007
VI 0.51
 
 
22070+2521 Ab
 
 
Coord arcsec 2000 220700.67+252042.4 Mag 5.7 Calc delta mag 2.2 Calc coord yes
 
 
22070+2521 B
 
 
Coord arcsec 2000 220654.31+251918.3 Mag 11.26 PmRA -14.00 PmDE -12.0
Tycho2 2208-01501-1 Calc delta mag 7.76 Calc coord yes
Tycho2
Tycho2 2208-01501-1 Pflag RAmdeg 331.72367490 DEmdeg 25.32208240
PmRA -10.0 PmDE -14.0 E RAmdeg 97 E DEmdeg 110
E pmRA 2.2 E pmDE 2.3 EpRAm 1961.86 EpDEm 1952.90
Num 3 Q RAmdeg 1.3 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 1.0 BTmag 12.306 E BTmag 0.228 VTmag 11.256
E VTmag 0.124 Prox 999 TYC HIP
CCDM RAdeg 331.72370222 DEdeg 25.32211667 EpRA 1990 1.61
EpDE 1990 1.70 E RAdeg 116.6 E DEdeg 142.7 Posflg
Corr -0.1