stampa
Login

Set your own preferrences to customize your experience with Stelle Doppie!
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20217-0745
HO 277


Nearby doubles
14' : 20208-0745
SCJ 25

51' : 20198-0827
LDS1468

59' : 20187-0710
J 2309

61' : 20182-0816
KPP4190

62' : 20238-0839
KPP1896

70' : 20258-0818
STF2678

75' : 20249-0648
A 2998

76' : 20247-0846
RST4062

78' : 20244-0638
WIS 338

80' : 20196-0632
LDS4837

80' : 20169-0712
J 2306

81' : 20169-0710
UC 4136

82' : 20270-0726
GWP2951

83' : 20165-0719
UC 4133

83' : 20161-0744
HO 589AB

84' : 20166-0712
JNN 125

85' : 20165-0817
UC 4134

88' : 20275-0734
LDS5906

101' : 20151-0727
KPP2772

101' : 20188-0614
RST4660

105' : 20167-0630
J 1388

106' : 20189-0608
RST4661

109' : 20158-0640
UC 4130

112' : 20246-0602
UC 4169

113' : 20203-0935
GWP2940

113' : 20292-0759
UC 4197AB



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.

20217-0745 HO 277

 
 
20h 21m 41.96s -07° 45' 19.1" P.A. 68.00 sep 3.0 mag 8.91,13.30 Sp F8
 
 
Coord 2000 20217-0745 Discov num HO  277 Comp Coord arcsec 2000 20 21 41.96 -07 45 19.1
Date first 1888 Date last 2016 Obs 8
Pa first 70 Pa last 67.5 P.A. Now (θ) 67.5°
Sep first 2.8 Sep last 3.008 Sep. Now (ρ) 3.008"
Mag pri 8.91 Mag sec 13.30 delta mag (ΔM) 4.39 Spectral class F8 (yellow-white)
Pri motion ra +060 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila SAO 144337 Tycho2 5741-00079-1 Gaia DR2 4215988933398838272
HD 193653
 
 
WDS 20217-0745 HO 277 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
20217-0745 HO 277 1939 5 68 3.6 8.91 13.30 F8 202141.96-074519.1
20217-0745 HO 277 2016 6 68 3.0 8.91 13.30 F8 202141.96-074519.1

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

 
 
WDS 20217-0745 HO 277 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20217-0745 HO 277 : MEASURES
 
 
No records found.

 
 
WDS 20217-0745 : VIRTUAL EYEPIECE
 
 

20217-0745 HO 277A mag 8.91 Sp F8 20217-0745 HO 277B sep 3.0 P.A. 67.30 mag 13.3 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 20217-0745 : ALADIN DSS IMAGE @ 20h 21m 41.96s -07° 45' 19.1"
 
 
 
 
WDS 20217-0745 HO 277 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20217-0745 HO 277 distance=0' 20208-0745 SCJ 25 distance=14' 20198-0827 LDS1468 distance=51' 20187-0710 J 2309 distance=59' 20182-0816 KPP4190 distance=61' 20238-0839 KPP1896 distance=62' 20258-0818 STF2678 distance=70' 20249-0648 A 2998 distance=75' 20247-0846 RST4062 distance=76' 20244-0638 WIS 338 distance=78' 20196-0632 LDS4837 distance=80' 20169-0712 J 2306 distance=80' 20169-0710 UC 4136 distance=81' 20270-0726 GWP2951 distance=82' 20165-0719 UC 4133 distance=83' 20161-0744 HO 589AB distance=83' 20161-0744 HO 589AC distance=83' 20166-0712 JNN 125 distance=84' 20165-0817 UC 4134 distance=85' 20275-0734 LDS5906 distance=88' 20151-0727 KPP2772 distance=101' 20188-0614 RST4660 distance=101' 20167-0630 J 1388 distance=105' 20189-0608 RST4661 distance=106' 20158-0640 UC 4130 distance=109' 20246-0602 UC 4169 distance=112' 20203-0935 GWP2940 distance=113' 20292-0759 UC 4197AB distance=113' 20153-0644 KPP4188 distance=114' 20293-0802 HLD 38 distance=114' 20211-0549 UC 4155 distance=117' 20289-0652 HJ 918 distance=119' 20296-0650 DOO 85 distance=129' 20305-0745 J 2312 distance=130' 20133-0706 RST4655 distance=131' 20127-0744 J 1699 distance=132' 20286-0622 J 1390 distance=134' 20251-0539 TDT2254 distance=137' 20125-0727 TDT2087 distance=139' 20293-0624 J 1392 distance=140' 20239-1001 UC 4165 distance=140' 20123-0806 BU 1205 distance=142' 20131-0854 RST4054 distance=146' 20119-0730 A 2997 distance=147' 20150-0557 RST4657 distance=147' 20251-1004 LDS4840 distance=148' 20118-0731 TDT2076 distance=148' 20301-0906 J 1706 distance=149' 20144-0603 STF2646AB distance=150' 20144-0603 STF2646BC distance=150' 20201-0517 TDT2180 distance=151' 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 20217-0745 HO 277 68 3.0
Show 20208-0745 SCJ 25 215 2.8 14
Show 20198-0827 LDS1468 31 9.0 51
Show 20187-0710 J 2309 323 6.1 59
Show 20182-0816 KPP4190 349 2.5 61
Show 20238-0839 KPP1896 157 14.8 62
Show 20258-0818 STF2678 310 3.4 70
Show 20249-0648 A 2998 338 0.5 75
Show 20247-0846 RST4062 354 0.0 76
Show 20244-0638 WIS 338 224 13.3 78
Show 20196-0632 LDS4837 145 28.9 80
Show 20169-0712 J 2306 62 5.2 80
Show 20169-0710 UC 4136 79 55.4 81
Show 20270-0726 GWP2951 78 50.0 82
Show 20165-0719 UC 4133 199 58.8 83
Show 20161-0744 HO 589 AB 329 15.7 83
Show 20161-0744 HO 589 AC 200 55.3 83
Show 20166-0712 JNN 125 273 0.2 84
Show 20165-0817 UC 4134 79 46.5 85
Show 20275-0734 LDS5906 239 2.1 88
Show 20151-0727 KPP2772 219 26.7 101
Show 20188-0614 RST4660 106 0.5 101
Show 20167-0630 J 1388 4 4.6 105
Show 20189-0608 RST4661 282 2.1 106
Show 20158-0640 UC 4130 12 77.6 109
Show 20246-0602 UC 4169 50 54.1 112
Show 20203-0935 GWP2940 264 408.2 113
Show 20292-0759 UC 4197 AB 111 15.1 113
Show 20153-0644 KPP4188 151 2.0 114
Show 20293-0802 HLD 38 298 2.3 114
Show 20211-0549 UC 4155 346 52.8 117
Show 20289-0652 HJ 918 326 7.7 119
Show 20296-0650 DOO 85 246 3.7 129
Show 20305-0745 J 2312 123 5.4 130
Show 20133-0706 RST4655 132 2.0 131
Show 20127-0744 J 1699 31 4.5 132
Show 20286-0622 J 1390 348 8.1 134
Show 20251-0539 TDT2254 106 1.0 137
Show 20125-0727 TDT2087 83 1.0 139
Show 20293-0624 J 1392 317 3.4 140
Show 20239-1001 UC 4165 312 15.4 140
Show 20123-0806 BU 1205 212 0.2 142
Show 20131-0854 RST4054 4 2.2 146
Show 20119-0730 A 2997 60 1.9 147
Show 20150-0557 RST4657 257 0.5 147
Show 20251-1004 LDS4840 298 5.5 148
Show 20118-0731 TDT2076 138 1.7 148
Show 20301-0906 J 1706 285 6.4 149
Show 20144-0603 STF2646 AB 40 17.8 150
Show 20144-0603 STF2646 BC 106 26.9 150
Show 20201-0517 TDT2180 190 1.9 151

 
 
WDS 20217-0745 : COMPONENTS
 
 
  A
B pa=67.3°
sep=2.98"
 
 
20217-0745 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202141.96-074519.1 Mag 8.91 Spectral class F8 (yellow-white)
PmRA 60.00 PmDE 1.0 SAO 144337 Tycho2 5741-00079-1
HD 193653 DM BD-08 5330
Tycho2
Tycho2 5741-00079-1 Pflag RAmdeg 305.42485422 DEmdeg -7.75530583
PmRA 41.3 PmDE 3.3 E RAmdeg 9 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.39 EpDEm 1988.82
Num 11 Q RAmdeg 1.6 Q DEmdeg 0.9 Q pmRA 1.5
Q pmDE 0.9 BTmag 9.385 E BTmag 0.021 VTmag 8.913
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 305.42475667 DEdeg -7.75531472 EpRA 1990 1.67
EpDE 1990 1.35 E RAdeg 9.2 E DEdeg 11.5 Posflg
Corr -0.2
SAO
SAO 144337 DelFlag RA1950 PmRA1950 0.0044
DE1950 PmDE1950 -0.002 Vmag 8.5 SpType F8
Double code Source 26 CatNum 7208 DM BD-08 5330
DMcomp BDsup HD 193653 M HD 0
GC RA1950rad 5.3189282 DE1950rad -0.13815029 PmRA2000 0.0046
PmDE2000 -0.003
CCDM
Ccdm 20217-0745 RComp Comp A Note1
Note2 Discov num DRAs 0.04 DDEs -19.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp F8 PmNote *
PmRA 65 PmDE -2 Dm number -08 5330 Cat1 BD
Name2 144337 Cat2 SAO HD 193653 M HD
ADS BDS A13740 M ADS BDS N IDS IDS 20163S0804A
HIC
 
 
20217-0745 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202142.15-074517.9 Mag 13.3 Calc delta mag 4.39
Calc coord yes
CCDM
Ccdm 20217-0745 RComp Comp B Note1
Note2 Discov num HO 277 DRAs DDEs
R dRAs Year 1888 Theta 070 Rho 3.1
Obs 5 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13740 M ADS BDS N IDS IDS 20163S0804B
HIC