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Doubles in session


Current system
19468+0845
HJ 897
HD 186905


Nearby doubles
14' : 19475+0853
TDT1754

22' : 19469+0824
TDT1739

31' : 19473+0916
J 3005

40' : 19450+0915
TDT1705

40' : 19482+0919
RUC 12

40' : 19443+0900
TDT1689

46' : 19492+0817
ARU 17

56' : 19455+0753
TDT1715

60' : 19436+0921
J 2996

60' : 19487+0937
TDT1775

60' : 19508+0852
STFB 10AB
Altair

61' : 19431+0818
KPP4168

61' : 19488+0936
GRV 282

61' : 19435+0921
J 2995

64' : 19502+0922
DBR 10

64' : 19428+0823
STF2562AB

64' : 19440+0757
TDT1683

64' : 19510+0854
J 3019

67' : 19512+0842
TDT1803

69' : 19514+0847
SHN 241

70' : 19446+0743
TDT1695

72' : 19476+0955
J 493

72' : 19455+0954
TDT1714

73' : 19503+0754
CHR 89

74' : 19425+0809
OSO 111AB

74' : 19428+0930
TDT1665



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.

19468+0845 HJ 897 (HD 186905)

 
 
19h 46m 46.09s +08° 45' 01.3" P.A. 290.00 sep 13.9 mag 9.73,10.22 Sp G3IV+G5V
 
 
Coord 2000 19468+0845 Discov num HJ  897 Comp Coord arcsec 2000 19 46 46.09 +08 45 01.3
Date first 1827 Date last 2015 Obs 18
Pa first 295 Pa last 289.9 P.A. Now (θ) 289.9°
Sep first 8.0 Sep last 13.948 Sep. Now (ρ) 13.948"
Mag pri 9.73 Mag sec 10.22 delta mag (ΔM) 0.49 Spectral class G3IV+G5V (yellow/yellow)
Pri motion ra +004 Sec motion ra +005
Pri motion dec +004 Sec motion dec +007
Notes Z (Parallax indicates components are physical)
rPM=0.368
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 186905 Constellation Aquila SAO 125056 Tycho2 1057-01449-1
Gaia DR2 4301528223639501824 HD 186905
 
 
WDS 19468+0845 HJ 897 (HD 186905) : 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
19468+0845 HJ 897 2004 10 290 13.8 9.73 10.22 G0 D 194646.09+084501.3
19468+0845 HJ 897 2013 13 290 13.9 9.73 10.22 G0 194646.09+084501.3
19468+0845 HJ 897 2015 17 290 14.0 9.73 10.22 G3IV+G5V Z 194646.09+084501.3

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

 
 
WDS 19468+0845 HJ 897 (HD 186905) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19468+0845 HJ 897 (HD 186905) : MEASURES
 
 
No records found.

 
 
WDS 19468+0845 (HD 186905) : VIRTUAL EYEPIECE
 
 

19468+0845 HJ 897A mag 9.73 Sp G3IV 19468+0845 HJ 897B sep 13.8 P.A. 290.10 mag 10.22 Sp G5V 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 19468+0845 (HD 186905) : ALADIN DSS IMAGE @ 19h 46m 46.09s +08° 45' 01.3"
 
 
 
 
WDS 19468+0845 HJ 897 (HD 186905) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19468+0845 HJ 897 distance=0' 19475+0853 TDT1754 distance=14' 19469+0824 TDT1739 distance=22' 19473+0916 J 3005 distance=31' 19450+0915 TDT1705 distance=40' 19482+0919 RUC 12 distance=40' 19443+0900 TDT1689 distance=40' 19492+0817 ARU 17 distance=46' 19455+0753 TDT1715 distance=56' 19436+0921 J 2996 distance=60' 19487+0937 TDT1775 distance=60' 19508+0852 STFB 10AB (Altair) distance=60' 19508+0852 STFB 10AC (Altair) distance=60' 19508+0852 DAL 27AD (Altair) distance=60' 19508+0852 SMR 5AE (Altair) distance=60' 19508+0852 SMR 5AF (Altair) distance=60' 19508+0852 GMC 5AG (Altair) distance=60' 19431+0818 KPP4168 distance=61' 19488+0936 GRV 282 distance=61' 19435+0921 J 2995 distance=61' 19502+0922 DBR 10 distance=64' 19428+0823 STF2562AB distance=64' 19428+0823 STF2562AC distance=64' 19428+0823 STF2562AD distance=64' 19440+0757 TDT1683 distance=64' 19510+0854 J 3019 distance=64' 19428+0823 STF2562BC distance=64' 19428+0823 STF2562BD distance=64' 19512+0842 TDT1803 distance=67' 19514+0847 SHN 241 distance=69' 19446+0743 TDT1695 distance=70' 19476+0955 J 493 distance=72' 19455+0954 TDT1714 distance=72' 19503+0754 CHR 89 distance=73' 19425+0809 OSO 111AB distance=74' 19425+0809 OSO 111AC distance=74' 19428+0930 TDT1665 distance=74' 19502+0749 J 3015AB distance=74' 19502+0749 J 3015AC distance=74' 19422+0919 J 1183AB distance=77' 19422+0919 J 1183AC distance=77' 19461+0728 J 1314 distance=78' 19479+1002 AG 391 distance=80' 19512+0801 J 1172 distance=80' 19468+0724 J 1316 distance=80' 19500+0740 J 152 distance=81' 19524+0853 BRT2611AB distance=85' 19524+0853 FYM 274AC distance=85' 19418+0926 BRT2182 distance=85' 19450+1006 TDT1704 distance=85' 19513+0938 HDS2829 distance=86' 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 19468+0845 HJ 897 290 13.9
Show 19475+0853 TDT1754 173 1.2 14
Show 19469+0824 TDT1739 313 0.9 22
Show 19473+0916 J 3005 111 6.7 31
Show 19450+0915 TDT1705 228 0.5 40
Show 19482+0919 RUC 12 290 0.5 40
Show 19443+0900 TDT1689 3 0.6 40
Show 19492+0817 ARU 17 202 0.4 46
Show 19455+0753 TDT1715 177 0.5 56
Show 19436+0921 J 2996 274 8.8 60
Show 19487+0937 TDT1775 237 0.5 60
Show Altair 19508+0852 STFB 10 AB 286 195.8 60
Show Altair 19508+0852 STFB 10 AC 110 186.4 60
Show Altair 19508+0852 DAL 27 AD 105 26.8 60
Show Altair 19508+0852 SMR 5 AE 351 151.7 60
Show Altair 19508+0852 SMR 5 AF 48 292.4 60
Show Altair 19508+0852 GMC 5 AG 121 185.1 60
Show 19431+0818 KPP4168 348 1.3 61
Show 19488+0936 GRV 282 194 69.5 61
Show 19435+0921 J 2995 221 7.5 61
Show 19502+0922 DBR 10 82 2.9 64
Show 19428+0823 STF2562 AB 251 27.2 64
Show 19428+0823 STF2562 AC 289 82.0 64
Show 19428+0823 STF2562 AD 222 117.2 64
Show 19440+0757 TDT1683 182 0.5 64
Show 19510+0854 J 3019 216 7.3 64
Show 19428+0823 STF2562 BC 305 62.7 64
Show 19428+0823 STF2562 BD 214 94.6 64
Show 19512+0842 TDT1803 235 0.8 67
Show 19514+0847 SHN 241 -1 0.1 69
Show 19446+0743 TDT1695 279 0.6 70
Show 19476+0955 J 493 116 6.8 72
Show 19455+0954 TDT1714 355 0.6 72
Show 19503+0754 CHR 89 56 0.0 73
Show 19425+0809 OSO 111 AB 165 16.0 74
Show 19425+0809 OSO 111 AC 98 20.5 74
Show 19428+0930 TDT1665 345 0.5 74
Show 19502+0749 J 3015 AB 103 6.6 74
Show 19502+0749 J 3015 AC 211 6.6 74
Show 19422+0919 J 1183 AB 324 2.6 77
Show 19422+0919 J 1183 AC 58 17.5 77
Show 19461+0728 J 1314 183 4.3 78
Show 19479+1002 AG 391 297 52.3 80
Show 19512+0801 J 1172 99 2.6 80
Show 19468+0724 J 1316 205 3.2 80
Show 19500+0740 J 152 162 3.4 81
Show 19524+0853 BRT2611 AB 174 3.7 85
Show 19524+0853 FYM 274 AC 357 9.3 85
Show 19418+0926 BRT2182 189 2.8 85
Show 19450+1006 TDT1704 330 0.7 85
Show 19513+0938 HDS2829 150 0.3 86

 
 
WDS 19468+0845 : COMPONENTS
 
 
  A
B pa=290.1°
sep=13.80"
 
 
19468+0845 A
 
 
Componente originario normalizzato AB Name HD 186905 Coord arcsec 2000 194646.09+084501.3 Mag 9.73
Spectral class G3IV (yellow) PmRA 4.00 PmDE 4.0 Tycho2 1057-01449-1
Tycho2
Tycho2 1057-01449-1 Pflag RAmdeg 296.69205174 DEmdeg 8.75035644
PmRA 2.4 PmDE 2.9 E RAmdeg 13 E DEmdeg 14
E pmRA 1.6 E pmDE 1.5 EpRAm 1990.51 EpDEm 1990.22
Num 8 Q RAmdeg 0.5 Q DEmdeg 0.4 Q pmRA 0.6
Q pmDE 0.5 BTmag 10.443 E BTmag 0.026 VTmag 9.726
E VTmag 0.019 Prox 139 TYC T HIP
CCDM RAdeg 296.69204639 DEdeg 8.75034972 EpRA 1990 1.52
EpDE 1990 1.49 E RAdeg 12.6 E DEdeg 13.6 Posflg
Corr -0.3
CCDM
Ccdm 19468+0845 RComp Comp A Note1
Note2 Discov num DRAs -1.92 DDEs 0.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.9 Sp G0 PmNote *
PmRA -2 PmDE -11 Dm number +08 4212 Cat1 BD
Name2 +08 2618 Cat2 AGK2/3 HD 186905 M HD
ADS BDS B 9600 M ADS BDS N IDS IDS 19419N0830A
HIC
 
 
19468+0845 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194645.22+084506.0 Mag 10.22 Spectral class G5V (yellow)
PmRA 5.00 PmDE 7.0 SAO 125056 Tycho2 1057-02441-1
HD 186905 DM BD+08 4212 Calc delta mag 0.49 Calc coord yes
Tycho2
Tycho2 1057-02441-1 Pflag RAmdeg 296.68838424 DEmdeg 8.75170489
PmRA 5.3 PmDE 10.2 E RAmdeg 18 E DEmdeg 19
E pmRA 1.8 E pmDE 1.8 EpRAm 1989.95 EpDEm 1989.70
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 10.840 E BTmag 0.034 VTmag 10.224
E VTmag 0.027 Prox 139 TYC T HIP
CCDM RAdeg 296.68837111 DEdeg 8.75168083 EpRA 1990 1.50
EpDE 1990 1.49 E RAdeg 18.1 E DEdeg 19.2 Posflg
Corr -0.4
SAO
SAO 125056 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 -0.002 Vmag 9 SpType G0
Double code Source 32 CatNum 9537 DM BD+08 4212
DMcomp B BDsup HD 186905 M HD 2
GC RA1950rad 5.16766946 DE1950rad 0.15058209 PmRA2000 0.0017
PmDE2000 -0.004
CCDM
Ccdm 19468+0845 RComp Comp B Note1
Note2 Discov num HJ 897 DRAs -2.73 DDEs 6.5
R dRAs 10 Year 1901 Theta 289 Rho 13.9
Obs 3 Vmag 10.3 Sp PmNote *
PmRA 17 PmDE 16 Dm number Cat1
Name2 +08 2617 Cat2 AGK2/3 HD M HD
ADS BDS B 9600 M ADS BDS N IDS IDS 19419N0830B
HIC