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Current system
20374+2958
HJ 1547


Nearby doubles
7' : 20371+2953
MLB 663

8' : 20381+2958
A 743

9' : 20378+2951
TDT2435

9' : 20368+2955
TDT2421

10' : 20368+2951
BTN 1

11' : 20381+2953
A 744

18' : 20361+2955
TDT2407

19' : 20385+2945
COU1172

21' : 20362+3010
TDT2408

39' : 20403+2947
STF2714

40' : 20346+3009
TDT2387

41' : 20344+3004
TDT2384

43' : 20406+2948
HO 137AB

43' : 20396+3030
STF2711

44' : 20407+3007
TDT2467

46' : 20351+3031
COU1327

48' : 20340+2942
TDS1084

49' : 20363+3044
TDT2411

50' : 20412+3001
COU1173

51' : 20387+2910
L 69

51' : 20385+2909
HO 458

52' : 20413+3012
ARY 28AB

54' : 20416+3000
COU1174

56' : 20332+3008
BRT 281

56' : 20402+2916
FMR 160

57' : 20339+2923
MLB 481



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.

20374+2958 HJ 1547

 
 
20h 37m 26.83s +29° 57' 34.8" P.A. 8.00 sep 17.0 mag 8.93,13.00 Sp A0 dist. 335.57 pc (1094.63 l.y.)
 
 
Coord 2000 20374+2958 Discov num HJ 1547 Comp Coord arcsec 2000 20 37 26.83 +29 57 34.8
Date first 1828 Date last 2014 Obs 9
Pa first 16 Pa last 8.4 P.A. Now (θ) 8.4°
Sep first 12.0 Sep last 16.982 Sep. Now (ρ) 16.982"
Mag pri 8.93 Mag sec 13.00 delta mag (ΔM) 4.07 Spectral class A0 (white)
Pri motion ra +000 Sec motion ra +003
Pri motion dec -007 Sec motion dec +002
Notes
rPM=1.355
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 88913 HIP 101761 Tycho2 2169-00467-1
Gaia DR2 1857734610080185472 HD 196609 BD BD+29 4108 Distance 335.57
Distance ly 1094.63
 
 
WDS 20374+2958 HJ 1547 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma 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
20374+2958 HJ 1547 1998 3 9 16.9 8.80 13.00 A0 D 203726.83+295734.8
20374+2958 HJ 1547 2002 5 9 17.0 8.80 13.00 A0 D 203726.83+295734.8
20374+2958 HJ 1547 2010 6 8 16.9 8.93 13.00 A0 203726.83+295734.8
20374+2958 HJ 1547 2014 9 8 17.0 8.93 13.00 A0 203726.83+295734.8

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

 
 
WDS 20374+2958 HJ 1547 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20374+2958 HJ 1547 : MEASURES
 
 
No records found.

 
 
WDS 20374+2958 : VIRTUAL EYEPIECE
 
 

20374+2958 HJ 1547A mag 8.93 Sp A0 20374+2958 HJ 1547B sep 16.9 P.A. 7.30 mag 13 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 20374+2958 : ALADIN DSS IMAGE @ 20h 37m 26.83s +29° 57' 34.8"
 
 
 
 
WDS 20374+2958 HJ 1547 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20374+2958 HJ 1547 distance=0' 20371+2953 MLB 663 distance=7' 20381+2958 A 743 distance=8' 20378+2951 TDT2435 distance=9' 20368+2955 TDT2421 distance=9' 20368+2951 BTN 1 distance=10' 20381+2953 A 744 distance=11' 20378+2943 A 742BC distance=15' 20378+2943 A 742A,BC distance=16' 20361+2955 TDT2407 distance=18' 20385+2945 COU1172 distance=19' 20362+3010 TDT2408 distance=21' 20403+2947 STF2714 distance=39' 20346+3009 TDT2387 distance=40' 20344+3004 TDT2384 distance=41' 20406+2948 HO 137AB distance=43' 20406+2948 GII 290Aa,Ab distance=43' 20396+3030 STF2711 distance=43' 20407+3007 TDT2467 distance=44' 20351+3031 COU1327 distance=46' 20340+2942 TDS1084 distance=48' 20363+3044 TDT2411 distance=49' 20412+3001 COU1173 distance=50' 20387+2910 L 69 distance=51' 20385+2909 HO 458 distance=51' 20413+3012 ARY 28AB distance=52' 20413+3012 ARY 28AC distance=52' 20416+3000 COU1174 distance=54' 20332+3008 BRT 281 distance=56' 20402+2916 FMR 160 distance=56' 20339+2923 MLB 481 distance=57' 20346+2914 TDT2388Aa,Ab distance=57' 20346+2914 J 565AB distance=57' 20346+2914 J 565AC distance=57' 20393+2906 HO 136 distance=58' 20411+2925 ES 508AB distance=58' 20411+2925 ES 508AC distance=58' 20401+3044 TDT2457Aa,Ab distance=59' 20401+3044 ROE 15AB distance=59' 20401+3044 ROE 15AC distance=59' 20328+3007 TDT2356 distance=61' 20413+2922 ARY 29 distance=62' 20401+2906 TDT2458 distance=62' 20328+2936 TDT2357 distance=65' 20422+2939 COU1175 distance=66' 20410+3047 TDT2470 distance=68' 20325+2934 TDT2347 distance=69' 20391+3103 J 1238 distance=70' 20374+2847 MLB 483 distance=70' 20382+3109 AG 261 distance=72' 20414+3049 TDS1091 distance=73' 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 20374+2958 HJ 1547 8 17.0
Show 20371+2953 MLB 663 265 4.3 7
Show 20381+2958 A 743 309 1.2 8
Show 20378+2951 TDT2435 143 2.3 9
Show 20368+2955 TDT2421 159 0.4 9
Show 20368+2951 BTN 1 1 13.8 10
Show 20381+2953 A 744 272 0.7 11
Show 20378+2943 A 742 BC 132 1.2 15
Show 20378+2943 A 742 A,BC 343 56.8 16
Show 20361+2955 TDT2407 124 0.5 18
Show 20385+2945 COU1172 100 0.3 19
Show 20362+3010 TDT2408 177 0.4 21
Show 20403+2947 STF2714 338 6.8 39
Show 20346+3009 TDT2387 216 0.5 40
Show 20344+3004 TDT2384 142 0.5 41
Show 20406+2948 HO 137 AB 358 0.8 43
Show 20406+2948 GII 290 Aa,Ab 43 0.1 43
Show 20396+3030 STF2711 223 2.4 43
Show 20407+3007 TDT2467 160 0.8 44
Show 20351+3031 COU1327 8 2.7 46
Show 20340+2942 TDS1084 6 1.8 48
Show 20363+3044 TDT2411 90 0.8 49
Show 20412+3001 COU1173 46 1.1 50
Show 20387+2910 L 69 89 3.0 51
Show 20385+2909 HO 458 101 2.3 51
Show 20413+3012 ARY 28 AB 332 62.8 52
Show 20413+3012 ARY 28 AC 35 102.2 52
Show 20416+3000 COU1174 32 0.3 54
Show 20332+3008 BRT 281 154 6.4 56
Show 20402+2916 FMR 160 215 59.7 56
Show 20339+2923 MLB 481 345 4.0 57
Show 20346+2914 TDT2388 Aa,Ab 297 0.5 57
Show 20346+2914 J 565 AB 48 6.5 57
Show 20346+2914 J 565 AC 88 16.2 57
Show 20393+2906 HO 136 358 2.6 58
Show 20411+2925 ES 508 AB 232 2.5 58
Show 20411+2925 ES 508 AC 226 18.2 58
Show 20401+3044 TDT2457 Aa,Ab 139 0.9 59
Show 20401+3044 ROE 15 AB 249 7.6 59
Show 20401+3044 ROE 15 AC 257 30.4 59
Show 20328+3007 TDT2356 328 0.4 61
Show 20413+2922 ARY 29 143 119.3 62
Show 20401+2906 TDT2458 197 2.4 62
Show 20328+2936 TDT2357 29 0.5 65
Show 20422+2939 COU1175 138 3.5 66
Show 20410+3047 TDT2470 181 2.5 68
Show 20325+2934 TDT2347 309 0.4 69
Show 20391+3103 J 1238 18 3.6 70
Show 20374+2847 MLB 483 69 8.6 70
Show 20382+3109 AG 261 154 4.3 72
Show 20414+3049 TDS1091 350 0.8 73

 
 
WDS 20374+2958 : COMPONENTS
 
 
  A
B pa=7.3°
sep=16.94"
 
 
20374+2958 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203726.83+295734.8 Mag 8.93 Spectral class A0 (white)
PmRA 0.00 PmDE -7.0 SAO 88913 HIP 101761
Tycho2 2169-00467-1 HD 196609 BD BD+29 4108
Tycho2
Tycho2 2169-00467-1 Pflag RAmdeg 309.36179733 DEmdeg 29.95965399
PmRA 1.3 PmDE -6.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.41 EpDEm 1991.42
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 8.946 E BTmag 0.015 VTmag 8.933
E VTmag 0.011 Prox 999 TYC T HIP 101761
CCDM RAdeg 309.36179361 DEdeg 29.95966889 EpRA 1990 1.65
EpDE 1990 1.73 E RAdeg 5.4 E DEdeg 5.2 Posflg
Corr 0.3
SAO
SAO 88913 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.024 Vmag 8.7 SpType A0
Double code Source 34 CatNum 11544 DM BD+29 4108
DMcomp BDsup HD 196609 M HD 0
GC RA1950rad 5.39036664 DE1950rad 0.51982862 PmRA2000 0.0021
PmDE2000 -0.027
Hipparcos
Catalog H HIP 101761 Proxy RAhms 20 37 26.83
DEdms +29 57 34.8 Vmag 8.93 VarFlag 1 R Vmag H
RAdeg 309.362 DEdeg 29.9597 AstroRef Plx 2.84
CCDM 20374+2958 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 196609 BD BD+29 4108
CD CP Dm number +29 4108 VIred 0.03
SpType A0 R SpType Coord arcsec 2000 203726.83+295734.8
Hipparcos 2
HIP 101761 Sn 5 So 0 Nc 1
RArad 5.3993818091 DErad 0.5228949519 Plx 2.98 PmRA 2.88
PmDE -6.88 E RArad 0.49 E DErad 0.71 E Plx 1.09
E pmRA 0.58 E pmDE 0.74 Hpmag 8.9409 E Hpmag 0.0017
SHp 0.022 VA 0 BV 0.023 E BV 0.012
VI 0.04
CCDM
Ccdm 20374+2958 RComp Comp A Note1
Note2 Discov num DRAs 2.87 DDEs -25.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp A0 PmNote *
PmRA 10 PmDE -7 Dm number +29 4108 Cat1 BD
Name2 +29 2371 Cat2 AGK2/3 HD 196609 M HD
ADS BDS B10364 M ADS BDS N IDS IDS 20333N2937A
HIC 101761
 
 
20374+2958 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203727.00+295751.6 Mag 13 PmRA 3.00
PmDE 2.0 Calc delta mag 4.07 Calc coord yes
CCDM
Ccdm 20374+2958 RComp Comp B Note1
Note2 Discov num HJ 1547 DRAs DDEs
R dRAs Year 1909 Theta 011 Rho 15.8
Obs 2 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B10364 M ADS BDS N IDS IDS 20333N2937B
HIC