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Doubles in session


Current system
20406+2948
HO 137 AB
HD 197120


Nearby doubles
5' : 20403+2947
STF2714

16' : 20412+3001
COU1173

18' : 20416+3000
COU1174

19' : 20407+3007
TDT2467

24' : 20422+2939
COU1175

24' : 20411+2925
ES 508AB

25' : 20413+3012
ARY 28AB

28' : 20385+2945
COU1172

29' : 20413+2922
ARY 29

33' : 20381+2953
A 744

34' : 20402+2916
FMR 160

35' : 20381+2958
A 743

37' : 20378+2951
TDT2435

42' : 20435+2930
NSN 735

43' : 20374+2958
HJ 1547

43' : 20401+2906
TDT2458

44' : 20396+3030
STF2711

45' : 20371+2953
MLB 663

46' : 20439+3005
TDS1097

46' : 20393+2906
HO 136

46' : 20387+2910
L 69

48' : 20368+2951
BTN 1

48' : 20385+2909
HO 458

50' : 20368+2955
TDT2421

57' : 20401+3044
ROE 15AB

59' : 20407+2848
MLB 533



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.

20406+2948 HO 137 AB (HD 197120)

 
 
20h 40m 36.26s +29° 48' 19.6" P.A. 358.00 sep 0.8 mag 6.13,9.26 Sp A2V dist. 74.24 pc (242.17 l.y.)
 
 
Coord 2000 20406+2948 Discov num HO  137 Comp AB Coord arcsec 2000 20 40 36.26 +29 48 19.6
Date first 1885 Date last 2014 Obs 31
Pa first 279 Pa last 357.7 P.A. Now (θ) 357.7°
Sep first 1.2 Sep last 0.796 Sep. Now (ρ) 0.796"
Mag pri 6.13 Mag sec 9.26 delta mag (ΔM) 3.13 Spectral class A2V (white)
Pri motion ra +020 Sec motion ra
Pri motion dec +046 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20406+2948 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 88997 20 40 36 +29 48 20 GII 290 Aa,Ab 2014 1 43 0.1 6.90 6.90 0.00
Show HD 197120 88997 20 40 36 +29 48 20 HO 137 AB 2014 31 358 0.8 6.13 9.26 3.13 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197120 Constellation Cygnus SAO 88997 HIP 102033
Tycho2 2182-00750-1 HD 197120 HR 7917 GC 28816
ADS 14149 BD BD+29 4131 Distance 74.24 Distance ly 242.17
 
 
WDS 20406+2948 HO 137 AB (HD 197120) : NOTES
 
 
discov_num notes refcode
HO 137 A is a spectroscopic binary.
 
 
REFERENCES
 
 
refcode metd author reference
Gii1991 Ma j Gili, R. 1991AN....312...41G
Gii1991 AN 312, 41, 1991
Gii1994 M+ j Gili, R. (Couteau & Gili) 1994A&AS..106..377G
Gii1994 +C A&AS 106, 377, 1994
Gii1997 M+ j Gili, R. & Couteau, P. 1997A&AS..126....1G
Gii1997 +C A&AS 126, 1, 1997
Gii2001 C j Gili, R. & Bonneau, D. 2001A&A...378..954G
Gii2001 A&A 378, 954, 2001
Gii2008 C j Gili, R. 2008IAUDS.165....1G
Gii2008 Inf. Circ. 165, 1, 2008
Gii2009 S j Gili, R. 2009IAUDS.168....1G
Gii2009 +orb Inf. Circ. 168, 1, 2009
Gii2009b C j Gili, R. & Agati, J.-L. 2009O&T....73....9G
Gii2009b +S Obs. et Travaux 73, 9, 2009
Gii2009c C j Gili, R. & Agati, J.-L. 2009O&T....74...14G
Gii2009c +S Obs. et Travaux 74, 14, 2009
Gii2012 S j Gili, R. & Prieur, J.-L. 2012AN....333..727G
Gii2012 +Cl AN 333, 727, 2012
Gii2016 S j Gili, R. 2016IAUDS.190....4G
Gii2016 +Cl Inf. Circ. 190, 4, 2016
Gii2016b Cl Gili, R.
Gii2016b private comm. (email 27 Aug 2016)
Gii2020 S Gili, R., Prieur, J.-L., Rivet, J.-P., Scardia, M., Pansecchi, L., Argyle, R.W., 2020AN....341..441G
Gii2020 +Cl Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D. & Maccarini, L.
Gii2020 AN 341, 441, 2020
Gii2021 S Gili, R., Prieur, J.-L., Rivet, J.-P., Vakili, F., Scardia, M., Pansecchi, L., 2021AN....342..865G
Gii2021 Argyle, R.W., Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D.,
Gii2021 Maccarini, L. & Serot, J.
Gii2021 AN 342, 865, 2021
Gii2022 S Gili, R., Prieur, J.-L., Rivet, J.-P., Vakili, F., Scardia, M., Pansecchi, L., 2022AN....34324008G
Gii2022 Argyle, R.W., Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D.,
Gii2022 Maccarini, L. & Serot, J.
Gii2022 AN 343, 24008, 2022
Gii2022 errata for Gii2022 (source of code "P" measures in wds) 2023AN....34437001G
Gii2022 AN 344, 37001, 2023
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20406+2948 HO 137 AB 2014 31 358 0.8 6.13 9.26 A2V N 204036.26+294819.6

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

 
 
WDS 20406+2948 HO 137 AB (HD 197120) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20406+2948 HO 137 AB (HD 197120) : MEASURES
 
 
No records found.

 
 
WDS 20406+2948 (HD 197120) : VIRTUAL EYEPIECE
 
 

20406+2948 HO 137A mag 6.13 Sp A2V 20406+2948 GII 290Ab sep 0.1 P.A. 39.10 mag 6.9 20406+2948 HO 137B sep 0.8 P.A. 358.00 mag 9.26 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 20406+2948 (HD 197120) : ALADIN DSS IMAGE @ 20h 40m 36.26s +29° 48' 19.6"
 
 
 
 
WDS 20406+2948 HO 137 AB (HD 197120) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20406+2948 HO 137AB distance=0' 20403+2947 STF2714 distance=5' 20412+3001 COU1173 distance=16' 20416+3000 COU1174 distance=18' 20407+3007 TDT2467 distance=19' 20422+2939 COU1175 distance=24' 20411+2925 ES 508AB distance=24' 20411+2925 ES 508AC distance=24' 20413+3012 ARY 28AB distance=25' 20413+3012 ARY 28AC distance=25' 20385+2945 COU1172 distance=28' 20413+2922 ARY 29 distance=29' 20381+2953 A 744 distance=33' 20402+2916 FMR 160 distance=34' 20381+2958 A 743 distance=35' 20378+2951 TDT2435 distance=37' 20378+2943 A 742A,BC distance=37' 20378+2943 A 742BC distance=37' 20435+2930 NSN 735 distance=42' 20374+2958 HJ 1547 distance=43' 20401+2906 TDT2458 distance=43' 20396+3030 STF2711 distance=44' 20371+2953 MLB 663 distance=45' 20439+3005 TDS1097 distance=46' 20393+2906 HO 136 distance=46' 20387+2910 L 69 distance=46' 20368+2951 BTN 1 distance=48' 20385+2909 HO 458 distance=48' 20368+2955 TDT2421 distance=50' 20401+3044 TDT2457Aa,Ab distance=57' 20401+3044 ROE 15AB distance=57' 20401+3044 ROE 15AC distance=57' 20407+2848 MLB 533 distance=59' 20410+3047 TDT2470 distance=59' 20361+2955 TDT2407 distance=60' 20422+2852 MLB 664 distance=60' 20362+3010 TDT2408 distance=62' 20414+3049 TDS1091 distance=62' 20451+3014 ES 367 distance=65' 20448+3022 AG 410 distance=65' 20419+3054 TDT2480 distance=68' 20374+2847 MLB 483 distance=74' 20400+2835 TDS1088 distance=74' 20423+2837 HJ 1561 distance=74' 20447+2857 TDT2514 distance=75' 20445+2856 MLB 710 distance=76' 20391+3103 J 1238 distance=77' 20461+2916 MLB 711 distance=78' 20363+3044 TDT2411 distance=79' 20346+3009 TDT2387 distance=82' 20344+3004 TDT2384 distance=83' 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 20406+2948 HO 137 AB 358 0.8
Show 20406+2948 GII 290 Aa,Ab 43 0.1
Show 20403+2947 STF2714 338 6.8 5
Show 20412+3001 COU1173 46 1.1 16
Show 20416+3000 COU1174 32 0.3 18
Show 20407+3007 TDT2467 160 0.8 19
Show 20422+2939 COU1175 138 3.5 24
Show 20411+2925 ES 508 AB 232 2.5 24
Show 20411+2925 ES 508 AC 226 18.2 24
Show 20413+3012 ARY 28 AB 332 62.8 25
Show 20413+3012 ARY 28 AC 35 102.2 25
Show 20385+2945 COU1172 100 0.3 28
Show 20413+2922 ARY 29 143 119.3 29
Show 20381+2953 A 744 272 0.7 33
Show 20402+2916 FMR 160 215 59.7 34
Show 20381+2958 A 743 309 1.2 35
Show 20378+2951 TDT2435 143 2.3 37
Show 20378+2943 A 742 A,BC 343 56.8 37
Show 20378+2943 A 742 BC 132 1.2 37
Show 20435+2930 NSN 735 111 0.8 42
Show 20374+2958 HJ 1547 8 17.0 43
Show 20401+2906 TDT2458 197 2.4 43
Show 20396+3030 STF2711 223 2.4 44
Show 20371+2953 MLB 663 265 4.3 45
Show 20439+3005 TDS1097 357 0.9 46
Show 20393+2906 HO 136 358 2.6 46
Show 20387+2910 L 69 89 3.0 46
Show 20368+2951 BTN 1 1 13.8 48
Show 20385+2909 HO 458 101 2.3 48
Show 20368+2955 TDT2421 159 0.4 50
Show 20401+3044 TDT2457 Aa,Ab 139 0.9 57
Show 20401+3044 ROE 15 AB 249 7.6 57
Show 20401+3044 ROE 15 AC 257 30.4 57
Show 20407+2848 MLB 533 269 3.4 59
Show 20410+3047 TDT2470 181 2.5 59
Show 20361+2955 TDT2407 124 0.5 60
Show 20422+2852 MLB 664 172 4.7 60
Show 20362+3010 TDT2408 177 0.4 62
Show 20414+3049 TDS1091 350 0.8 62
Show 20451+3014 ES 367 244 6.9 65
Show 20448+3022 AG 410 187 19.0 65
Show 20419+3054 TDT2480 147 0.6 68
Show 20374+2847 MLB 483 69 8.6 74
Show 20400+2835 TDS1088 153 0.9 74
Show 20423+2837 HJ 1561 275 9.4 74
Show 20447+2857 TDT2514 130 1.8 75
Show 20445+2856 MLB 710 180 7.6 76
Show 20391+3103 J 1238 18 3.6 77
Show 20461+2916 MLB 711 39 6.2 78
Show 20363+3044 TDT2411 90 0.8 79
Show 20346+3009 TDT2387 216 0.5 82

 
 
WDS 20406+2948 : COMPONENTS
 
 
  A Ab
Ab pa=39.1°
sep=0.11"
 
B pa=358.0°
sep=0.80"
pa=352.0°
sep=0.71"
 
 
20406+2948 A
 
 
Name HD 197120 Coord arcsec 2000 204036.26+294819.6 Mag 6.13 Spectral class A2V (white)
PmRA 20.00 PmDE 46.0 SAO 88997 HIP 102033
Tycho2 2182-00750-1 HD 197120 HR 7917 GC 28816
BD BD+29 4131
Tycho2
Tycho2 2182-00750-1 Pflag RAmdeg 310.15116332 DEmdeg 29.80556086
PmRA 23.4 PmDE 45.0 E RAmdeg 3 E DEmdeg 3
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.39 EpDEm 1991.67
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.2 BTmag 6.224 E BTmag 0.014 VTmag 6.053
E VTmag 0.009 Prox 999 TYC T HIP 102033
CCDM AB RAdeg 310.15109917 DEdeg 29.80545778 EpRA 1990 1.46
EpDE 1990 1.75 E RAdeg 3.4 E DEdeg 3.3 Posflg P
Corr 0.1
SAO
SAO 88997 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 0.039 Vmag 6.1 SpType A0
Double code Source 70 CatNum 28816 DM BD+29 4131
DMcomp BDsup HD 197120 M HD 0
GC 28816 RA1950rad 5.40409246 DE1950rad 0.51707658 PmRA2000 0.0006
PmDE2000 0.036
Hipparcos
Catalog H HIP 102033 Proxy H RAhms 20 40 36.26
DEdms +29 48 19.6 Vmag 6.02 VarFlag R Vmag H
RAdeg 310.151 DEdeg 29.8054 AstroRef A Plx 12.2
CCDM 20406+2948 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 337 Rho 0.756 HD 197120 BD BD+29 4131
CD CP Dm number +29 4131 VIred 0.15
SpType A2V R SpType Coord arcsec 2000 204036.26+294819.6
Hipparcos 2
HIP 102033 Sn 15 So 3 Nc 2
RArad 5.4131578948 DErad 0.5202031935 Plx 13.47 PmRA 20.32
PmDE 43.81 E RArad 0.25 E DErad 0.32 E Plx 0.46
E pmRA 0.32 E pmDE 0.36 Hpmag 6.0748 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.163 E BV 0.003
VI 0.18
CCDM
Ccdm 20406+2948 RComp Comp A Note1
Note2 Discov num DRAs 0.27 DDEs 19.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.1 Sp A0 PmNote *
PmRA 20 PmDE 42 Dm number +29 4131 Cat1 BD
Name2 +29 2381 Cat2 AGK2/3 HD 197120 M HD
ADS BDS A14149 M ADS BDS N IDS IDS 20364N2927A
HIC 102033
 
 
20406+2948 Ab
 
 
Coord arcsec 2000 204036.27+294819.7 Mag 6.9 Calc coord yes
 
 
20406+2948 B
 
 
Coord arcsec 2000 204036.26+294820.4 Mag 9.26 Calc delta mag 2.36 Calc coord yes
CCDM
Ccdm 20406+2948 RComp Comp B Note1
Note2 Discov num HO 137 DRAs DDEs
R dRAs Year 1958 Theta 306 Rho 0.9
Obs 19 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14149 M ADS BDS N IDS IDS 20364N2927B
HIC 102033