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Doubles in session


Current system
22520+5743
A 632 AB
HD 216448


Nearby doubles
4' : 22519+5740
STI2878AB

12' : 22508+5737
TDS1188

13' : 22534+5738
STI2887

15' : 22532+5754
TDT3767

16' : 22503+5737
STI2872

17' : 22506+5731
TDT3743

18' : 22515+5726
A 631

19' : 22541+5737
UR 3

19' : 22543+5747
STI2897

20' : 22505+5728
STI2873AB

20' : 22543+5734
STI2894

24' : 22549+5745
TDT3784

27' : 22530+5718
MLB 373

27' : 22527+5716
MLB 372

27' : 22525+5717
TOR 31AB

29' : 22496+5804
STI2866

30' : 22554+5731
STI2906

32' : 22512+5712
HJ 1824

33' : 22500+5716
TOR 30

33' : 22522+5710
TDT3761

36' : 22501+5711
STI2870

39' : 22558+5722
STI2908

39' : 22544+5709
TDT3776

40' : 22554+5714
STI2907

41' : 22566+5726
TDT3803

42' : 22568+5729
TDT3806



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.

22520+5743 A 632 AB (HD 216448)

 
 
22h 52m 00.55s +57° 43' 00.6" P.A. 110.00 sep 0.4 mag 8.59,9.32 Sp K5III dist. 23.88 pc (77.9 l.y.)
 
 
Coord 2000 22520+5743 Discov num A   632 Comp AB Coord arcsec 2000 22 52 00.55 +57 43 00.6
Date first 1903 Date last 2017 Obs 147
Pa first 136 Pa last 110.3 P.A. Now (θ) 110.3°
Sep first 0.5 Sep last 0.387 Sep. Now (ρ) 0.387"
Mag pri 8.59 Mag sec 9.32 delta mag (ΔM) 0.73 Spectral class K5III (yellow-orange)
Pri motion ra -093 Sec motion ra
Pri motion dec -220 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
22520+5743 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 216448 34895 22 52 01 +57 43 01 A 632 AB 2017 147 110 0.4 8.59 9.32 0.73 Y <===
Show 34895 22 52 01 +57 43 01 HLA 32 AC 2017 3 97 3.2 5.50 12.30 6.80
Show 34895 22 52 01 +57 43 01 HLA 32 AD 2017 1 107 3.5 5.50 12.10 6.60
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 216448 Constellation Cepheus SAO 34895 HIP 112915
Tycho2 3992-00842-1 HD 216448 ADS 16326 BD BD+56 2890
Distance 23.88 Distance ly 77.9
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier22520+5743 A 632
coord_arcsec_2000225200.55+574300.6
Period (P)107.3y Periastron (T)1931.6y Semi-major axis (a)1.127a
Eccentricity (e)0.85 Inclination (i)103.5° Longitude of periastron (ω)69.3°
Node (Ω)20.4° Notesn ReferenceHei1991
Equinox2000 Last observation1990 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 154.7 0.629
2001 153.3 0.612
2002 151.8 0.594
2003 150.3 0.577
2004 148.7 0.559
2005 147.0 0.542
2006 145.1 0.525
2007 143.2 0.508
2008 141.1 0.491
2009 138.8 0.475
2010 136.4 0.459
2011 133.8 0.443
2012 131.1 0.428
2013 128.1 0.414
2014 124.9 0.400
2015 121.5 0.387
2016 117.9 0.376
2017 114.1 0.365
2018 110.1 0.356
2019 105.8 0.348
2020 101.4 0.341
2021 96.8 0.336
2022 92.2 0.333
2023 87.4 0.331
2024 82.6 0.331
2025 77.8 0.332
2026 73.1 0.335
2027 68.5 0.339
2028 64.0 0.344
2029 59.6 0.349
2030 55.4 0.354


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds22520%2B5743a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22520+5743 A 632 AB (HD 216448) : NOTES
 
 
discov_num notes refcode
A 632 Giant (K5III) classification probably wrong.
Possible triple? Dom1953b
Malkov et al. (2012) derive dynamical and spectroscopic masses
1.69 +/- 0.47 and 2.34 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Dom1953b orb - Dommanget, J. 1953AnOB....6....7D
Dom1953b Ann. R. Obs. Belgium, Ser.3, 6, 7-25, 1953
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 HLA Hirsch, L.A., Ciardi, D.R., Howards, A.W., Marcy, G.W., Ruane, G., Gonzalez, E.,
312 HLA Blunt, S., Crepp, J.R., Fulton, B.J., Isaacson, H., Kosiarek, M., Mawet, D.,
312 HLA Sinukoff, E. & Weiss, L.
313 HLA Hirsch, L.A., Rosenthal, L., Fulton, B.J., Howard, A.W., Ciardi, D.R., Marcy, G.W.,
313 HLA Nielsen, E., Petigura, E.A., de Rosa, R.J., Isaacson, H., Weiss, L.M., Sinukoff, E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22520+5743 A 632 AB 2017 147 110 0.4 8.59 9.32 K5III NO 225200.55+574300.6

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

 
 
WDS 22520+5743 A 632 AB (HD 216448) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22520+5743 A 632 AB (HD 216448) : MEASURES
 
 
No records found.

 
 
WDS 22520+5743 (HD 216448) : VIRTUAL EYEPIECE
 
 

22520+5743 A 632A mag 8.59 Sp K5III 22520+5743 A 632B sep 0.2 P.A. 124.70 mag 9.32 22520+5743 HLA 32C sep 1.8 P.A. 102.00 mag 12.3 22520+5743 HLA 32D sep 2.1 P.A. 119.80 mag 12.1 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 22520+5743 (HD 216448) : ALADIN DSS IMAGE @ 22h 52m 00.55s +57° 43' 00.6"
 
 
 
 
WDS 22520+5743 A 632 AB (HD 216448) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22520+5743 A 632AB distance=1' 22520+5743 HLA 32AC distance=1' 22520+5743 HLA 32AD distance=1' 22519+5740 STI2878AB distance=4' 22519+5740 MRI 15AC distance=4' 22508+5737 TDS1188 distance=12' 22534+5738 STI2887 distance=13' 22532+5754 TDT3767 distance=15' 22503+5737 STI2872 distance=16' 22506+5731 TDT3743 distance=17' 22515+5726 A 631 distance=18' 22541+5737 UR 3 distance=19' 22543+5747 STI2897 distance=19' 22505+5728 STI2873AB distance=20' 22505+5728 MRI 14AC distance=20' 22543+5734 STI2894 distance=20' 22549+5745 TDT3784 distance=24' 22530+5718 MLB 373 distance=27' 22527+5716 MLB 372 distance=27' 22525+5717 TOR 31AB distance=27' 22525+5717 STI2881AC distance=27' 22496+5804 STI2866 distance=29' 22554+5731 STI2906 distance=30' 22512+5712 HJ 1824 distance=32' 22500+5716 TOR 30 distance=33' 22522+5710 TDT3761 distance=33' 22501+5711 STI2870 distance=36' 22558+5722 STI2908 distance=39' 22544+5709 TDT3776 distance=39' 22554+5714 STI2907 distance=40' 22566+5726 TDT3803 distance=41' 22568+5729 TDT3806 distance=42' 22509+5659 STI2875 distance=46' 22549+5822 BU 848 distance=46' 22469+5805 HJ 1810AB distance=47' 22469+5805 MZA 33AC distance=47' 22542+5700 STI2893 distance=47' 22570+5809 TDT3808 distance=48' 22482+5704 STI2861 distance=50' 22496+5656 STI2865AB distance=51' 22496+5656 STI2865AC distance=51' 22461+5804 STT 480 distance=52' 22560+5702 A 633AB distance=53' 22560+5702 A 633AB,C distance=53' 22507+5652 STI2874 distance=53' 22503+5652 STI2871 distance=53' 22460+5721 STI2853AB distance=53' 22460+5721 MRI 12BC distance=54' 22587+5731 STI2918 distance=55' 22472+5704 MRI 13BD distance=55' 22472+5704 STI2860BC distance=55' 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 22520+5743 A 632 AB 110 0.4 1
Show 22520+5743 HLA 32 AC 97 3.2 1
Show 22520+5743 HLA 32 AD 107 3.5 1
Show 22519+5740 STI2878 AB 21 12.5 4
Show 22519+5740 MRI 15 AC 285 5.4 4
Show 22508+5737 TDS1188 335 1.2 12
Show 22534+5738 STI2887 317 14.6 13
Show 22532+5754 TDT3767 14 1.2 15
Show 22503+5737 STI2872 55 10.8 16
Show 22506+5731 TDT3743 55 1.1 17
Show 22515+5726 A 631 290 0.6 18
Show 22541+5737 UR 3 221 14.3 19
Show 22543+5747 STI2897 164 14.1 19
Show 22505+5728 STI2873 AB 158 6.6 20
Show 22505+5728 MRI 14 AC 32 1.6 20
Show 22543+5734 STI2894 228 5.9 20
Show 22549+5745 TDT3784 125 2.1 24
Show 22530+5718 MLB 373 340 7.8 27
Show 22527+5716 MLB 372 308 6.5 27
Show 22525+5717 TOR 31 AB 58 1.7 27
Show 22525+5717 STI2881 AC 46 12.4 27
Show 22496+5804 STI2866 183 15.4 29
Show 22554+5731 STI2906 71 13.0 30
Show 22512+5712 HJ 1824 45 22.5 32
Show 22500+5716 TOR 30 140 2.1 33
Show 22522+5710 TDT3761 167 0.5 33
Show 22501+5711 STI2870 322 9.0 36
Show 22558+5722 STI2908 34 7.1 39
Show 22544+5709 TDT3776 157 0.6 39
Show 22554+5714 STI2907 29 11.8 40
Show 22566+5726 TDT3803 333 3.0 41
Show 22568+5729 TDT3806 192 2.0 42
Show 22509+5659 STI2875 37 11.5 46
Show 22549+5822 BU 848 359 2.7 46
Show 22469+5805 HJ 1810 AB 355 20.8 47
Show 22469+5805 MZA 33 AC 247 7.2 47
Show 22542+5700 STI2893 78 7.3 47
Show 22570+5809 TDT3808 160 1.0 48
Show 22482+5704 STI2861 162 6.7 50
Show 22496+5656 STI2865 AB 23 8.6 51
Show 22496+5656 STI2865 AC 332 10.2 51
Show 22461+5804 STT 480 116 30.7 52
Show 22560+5702 A 633 AB 232 0.8 53
Show 22560+5702 A 633 AB,C 16.0 53
Show 22507+5652 STI2874 10 4.5 53
Show 22503+5652 STI2871 10 4.6 53
Show 22460+5721 STI2853 AB 314 14.1 53
Show 22460+5721 MRI 12 BC 297 2.2 54
Show 22587+5731 STI2918 111 14.6 55
Show 22472+5704 MRI 13 BD 266 3.2 55
Show 22472+5704 STI2860 BC 342 8.7 55

 
 
WDS 22520+5743 : COMPONENTS
 
 
  A B C
B pa=124.7°
sep=0.24"
 
C pa=102.0°
sep=1.76"
pa=98.7°
sep=1.54"
 
D pa=119.8°
sep=2.07"
pa=119.2°
sep=1.83"
pa=173.5°
sep=0.66"
 
 
22520+5743 A
 
 
Name HD 216448 Coord arcsec 2000 225200.55+574300.6 Mag 8.59 Spectral class K5III (yellow-orange)
PmRA -93.00 PmDE -220.0 SAO 34895 HIP 112915
Tycho2 3992-00842-1 HD 216448 ADS 16326 BD BD+56 2890
Tycho2
Tycho2 3992-00842-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 9.483 E BTmag 0.018 VTmag 8.288
E VTmag 0.012 Prox 999 TYC T HIP 112915
CCDM AB RAdeg 343.00273028 DEdeg 57.71737639 EpRA 1990 1.62
EpDE 1990 1.64 E RAdeg 6.6 E DEdeg 6.8 Posflg P
Corr 0.2
SAO
SAO 34895 DelFlag RA1950 PmRA1950 -0.0113
DE1950 PmDE1950 -0.195 Vmag 7.6 SpType K0
Double code Source 38 CatNum 13499 DM BD+56 2890
DMcomp BDsup HD 216448 M HD 0
GC RA1950rad 5.97764753 DE1950rad 1.00276117 PmRA2000 -0.0111
PmDE2000 -0.2
Hipparcos
Catalog H HIP 112915 Proxy H RAhms 22 52 00.65
DEdms +57 43 02.8 Vmag 8.01 VarFlag R Vmag H
RAdeg 343.003 DEdeg 57.7174 AstroRef A Plx 41.17
CCDM 22520+5743 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 163 Rho 0.808 HD 216448 BD BD+56 2890
CD CP Dm number +56 2890 VIred 0.99
SpType K5III R SpType Coord arcsec 2000 225200.65+574302.8
Hipparcos 2
HIP 112915 Sn 15 So 3 Nc 2
RArad 5.9865268927 DErad 1.0073594388 Plx 41.88 PmRA -93.41
PmDE -218.6 E RArad 0.75 E DErad 0.83 E Plx 0.95
E pmRA 0.99 E pmDE 1.15 Hpmag 8.1803 E Hpmag 0.0019
SHp 0.017 VA 0 BV 1.043 E BV 0.016
VI 1.01
CCDM
Ccdm 22520+5743 RComp Comp A Note1
Note2 Discov num DRAs 0.58 DDEs 1.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.2 Sp K0 PmNote *
PmRA -89 PmDE -183 Dm number +56 2890 Cat1 BD
Name2 +57 1611 Cat2 AGK2/3 HD 216448 M HD
ADS BDS A16326 M ADS BDS N IDS IDS 22480N5712A
HIC 112915
 
 
22520+5743 B
 
 
Coord arcsec 2000 225200.57+574300.5 Mag 9.32 Calc delta mag 0.73 Calc coord yes
CCDM
Ccdm 22520+5743 RComp Comp B Note1 *
Note2 Discov num A 632 DRAs DDEs
R dRAs Year 1903 Theta Rho
Obs 99 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16326 M ADS BDS N IDS IDS 22480N5712B
HIC 112915
 
 
22520+5743 C
 
 
Coord arcsec 2000 225200.76+574300.2 Mag 12.3 Calc delta mag 3.71 Calc coord yes
 
 
22520+5743 D
 
 
Coord arcsec 2000 225200.77+574259.6 Mag 12.1 Calc delta mag 3.51 Calc coord yes