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Doubles in session


Current system
22398-1942
HDO 171 AB


Nearby doubles
8' : 22403-1942
RST3306

9' : 22396-1950
KPP 899

17' : 22405-1929
KPP 848

31' : 22400-1912
HJ 3128

58' : 22388-2037
HJ 3126

59' : 22369-1900
RST3304

67' : 22389-2047
UC 4784

71' : 22385-2050
B 1897

71' : 22353-1911
UC 4773

73' : 22355-2021
LDS5959AB

73' : 22446-1918
TDT3685

82' : 22396-2103
B 572

84' : 22343-1913
LDS2947

84' : 22449-1903
UC 4806

85' : 22419-1823
GWP3184

85' : 22426-2057
HJ 3135

88' : 22339-1912
DAM 245

92' : 22359-2056
H 5 96

94' : 22347-2042
LAF 69AB

100' : 22342-1841
HU 389

101' : 22352-1825
HU 390

104' : 22343-1834
KPP4277

106' : 22470-1919
HDO 172

110' : 22468-2029
BHA 53

115' : 22318-1919
GWP3167

117' : 22315-1956
LDS2946



Selections
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Binary Systems
Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22398-1942 HDO 171 AB

 
 
22h 39m 45.53s -19° 42' 00.1" P.A. 357.00 sep 66.5 mag 9.25,10.47 Sp K0
 
 
Coord 2000 22398-1942 Discov num HDO 171 Comp AB Coord arcsec 2000 22 39 45.53 -19 42 00.1
Date first 1917 Date last 2015 Obs 13
Pa first 344 Pa last 357.1 P.A. Now (θ) 357.1°
Sep first 62.6 Sep last 66.481 Sep. Now (ρ) 66.481"
Mag pri 9.25 Mag sec 10.47 delta mag (ΔM) 1.22 Spectral class K0 (yellow-orange)
Pri motion ra -033 Sec motion ra -013
Pri motion dec -060 Sec motion dec -013
Notes
rPM=0.746
Nature of this double is uncertain.
 
 
22398-1942 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 22 39 46 -19 42 00 HDO 171 AB 2015 13 357 66.5 9.25 10.47 1.22 <===
Show 22 39 45 -19 40 54 HDO 171 BC 2018 14 264 10.0 10.47 11.87 1.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Tycho2 6389-00846-1 Gaia DR2 2401721763185592576
 
 
WDS 22398-1942 HDO 171 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HdO1882a Mb - Harvard Obs. 1882AnHar..13...17.
HdO1882a Harvard Ann. 13, 17, 1882
HdO1882b Ma j Harvard Obs. (measure by Alden, G.I.) 1882AnHar..13...17.
HdO1882b Harvard Ann. 13, 17, 1882
HdO1882c Ma - Harvard Obs. (measure by Davis, W.M.) 1882AnHar..13...17.
HdO1882c Harvard Ann. 13, 17, 1882
HdO1906A Ma - Harvard Obs. 1906QB821.B972.....
HdO1906A cited in BDS (Burnham Double Star Cat., 1906)
HdO9999 Ma - Harvard Obs. ...................
HdO9999 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
22398-1942 HDO 171 AB 2004 10 357 66.1 9.25 10.47 K0 223945.53-194200.1
22398-1942 HDO 171 AB 2015 13 357 66.5 9.25 10.47 K0 223945.53-194200.1

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

 
 
WDS 22398-1942 HDO 171 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22398-1942 HDO 171 AB : MEASURES
 
 
No records found.

 
 
WDS 22398-1942 : VIRTUAL EYEPIECE
 
 

22398-1942 HDO 171A mag 9.25 Sp K0 22398-1942 HDO 171B sep 65.9 P.A. 356.80 mag 10.47 22398-1942 HDO 171C sep 66.1 P.A. 348.60 mag 11.87 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 22398-1942 : ALADIN DSS IMAGE @ 22h 39m 45.53s -19° 42' 00.1"
 
 
 
 
WDS 22398-1942 HDO 171 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22398-1942 HDO 171AB distance=0' 22398-1942 HDO 171BC distance=2' 22403-1942 RST3306 distance=8' 22396-1950 KPP 899 distance=9' 22405-1929 KPP 848 distance=17' 22400-1912 HJ 3128 distance=31' 22388-2037 HJ 3126 distance=58' 22369-1900 RST3304 distance=59' 22389-2047 UC 4784 distance=67' 22385-2050 B 1897 distance=71' 22353-1911 UC 4773 distance=71' 22355-2021 LDS5959AB distance=73' 22355-2021 LDS5959Aa,Ab distance=73' 22446-1918 TDT3685 distance=73' 22396-2103 B 572 distance=82' 22343-1913 LDS2947 distance=84' 22449-1903 UC 4806 distance=84' 22419-1823 GWP3184 distance=85' 22426-2057 HJ 3135 distance=85' 22339-1912 DAM 245 distance=88' 22359-2056 H 5 96 distance=92' 22347-2042 LAF 69AB distance=94' 22347-2042 LAF 69AC distance=94' 22342-1841 HU 389 distance=100' 22352-1825 HU 390 distance=101' 22343-1834 KPP4277 distance=104' 22470-1919 HDO 172 distance=106' 22468-2029 BHA 53 distance=110' 22318-1919 GWP3167 distance=115' 22315-1956 LDS2946 distance=117' 22461-2104 TDT3699 distance=122' 22310-1941 ARA1241 distance=123' 22417-1742 DON1036 distance=124' 22310-2004 LDS2945 distance=125' 22369-2140 HJ 3123 distance=126' 22455-2123 HDS3230 distance=130' 22309-1911 HLD 169 distance=130' 22426-2149 LDS5971 distance=133' 22489-2029 HDS3239 distance=138' 22492-2016 I 141 distance=138' 22303-2033 RST3302 distance=144' 22487-5935 TOI 342 distance=145' 22334-1746 DON1034 distance=148' 22297-1901 ARA 814 distance=148' 22299-1854 UC 4753AB distance=149' 22317-2128 BRT1572 distance=156' 22447-2208 UC 4804 distance=162' 22508-2040 HJ 3146 distance=167' 22306-1757 NSN 797 distance=167' 22279-1940 UC 4749 distance=168' 22429-1656 RST3308 distance=172' 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 22398-1942 HDO 171 AB 357 66.5
Show 22398-1942 HDO 171 BC 264 10.0 2
Show 22403-1942 RST3306 232 0.5 8
Show 22396-1950 KPP 899 207 7.5 9
Show 22405-1929 KPP 848 99 7.2 17
Show 22400-1912 HJ 3128 228 10.9 31
Show 22388-2037 HJ 3126 350 24.9 58
Show 22369-1900 RST3304 60 0.4 59
Show 22389-2047 UC 4784 23 45.5 67
Show 22385-2050 B 1897 355 0.4 71
Show 22353-1911 UC 4773 13 16.6 71
Show 22355-2021 LDS5959 AB 262 243.1 73
Show 22355-2021 LDS5959 Aa,Ab 138 1.5 73
Show 22446-1918 TDT3685 224 7.2 73
Show 22396-2103 B 572 13 0.4 82
Show 22343-1913 LDS2947 56 28.6 84
Show 22449-1903 UC 4806 57 29.0 84
Show 22419-1823 GWP3184 23 45.7 85
Show 22426-2057 HJ 3135 353 35.5 85
Show 22339-1912 DAM 245 45 6.3 88
Show 22359-2056 H 5 96 249 51.4 92
Show 22347-2042 LAF 69 AB 128 6.1 94
Show 22347-2042 LAF 69 AC 214 12.9 94
Show 22342-1841 HU 389 330 0.2 100
Show 22352-1825 HU 390 99 0.6 101
Show 22343-1834 KPP4277 260 1.6 104
Show 22470-1919 HDO 172 83 22.1 106
Show 22468-2029 BHA 53 302 5.6 110
Show 22318-1919 GWP3167 119 140.9 115
Show 22315-1956 LDS2946 107 5.1 117
Show 22461-2104 TDT3699 278 0.6 122
Show 22310-1941 ARA1241 94 10.1 123
Show 22417-1742 DON1036 282 0.6 124
Show 22310-2004 LDS2945 257 10.2 125
Show 22369-2140 HJ 3123 168 16.8 126
Show 22455-2123 HDS3230 48 0.0 130
Show 22309-1911 HLD 169 175 1.6 130
Show 22426-2149 LDS5971 280 16.2 133
Show 22489-2029 HDS3239 199 0.3 138
Show 22492-2016 I 141 322 3.0 138
Show 22303-2033 RST3302 56 1.4 144
Show 22487-5935 TOI 342 227 0.4 145
Show 22334-1746 DON1034 125 5.8 148
Show 22297-1901 ARA 814 335 4.6 148
Show 22299-1854 UC 4753 AB 268 61.7 149
Show 22317-2128 BRT1572 222 5.0 156
Show 22447-2208 UC 4804 4 12.1 162
Show 22508-2040 HJ 3146 40 14.6 167
Show 22306-1757 NSN 797 125 7.2 167
Show 22279-1940 UC 4749 4 51.9 168
Show 22429-1656 RST3308 137 0.9 172

 
 
WDS 22398-1942 : COMPONENTS
 
 
  A B
B pa=356.8°
sep=65.90"
 
C pa=348.6°
sep=66.07"
pa=263.7°
sep=9.41"
 
 
22398-1942 A
 
 
Coord arcsec 2000 223945.53-194200.1 Mag 9.25 Spectral class K0 (yellow-orange) PmRA -33.00
PmDE -60.0 Tycho2 6389-00846-1
Tycho2
Tycho2 6389-00846-1 Pflag RAmdeg 339.93970096 DEmdeg -19.70002890
PmRA -32.6 PmDE -57.8 E RAmdeg 12 E DEmdeg 18
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.27 EpDEm 1990.38
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.6 BTmag 10.434 E BTmag 0.036 VTmag 9.250
E VTmag 0.020 Prox 647 TYC T HIP
CCDM RAdeg 339.93978000 DEdeg -19.69989556 EpRA 1990 1.83
EpDE 1990 1.71 E RAdeg 12.0 E DEdeg 17.9 Posflg
Corr 0.0
CCDM
Ccdm 22398-1942 RComp Comp A Note1
Note2 Discov num DRAs -2.45 DDEs 2.1
R dRAs 66 Year Theta Rho
Obs 3 Vmag 8.8 Sp K0 PmNote
PmRA PmDE Dm number -20 6463 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS B11896 M ADS BDS N IDS IDS 22344S2013A
HIC
 
 
22398-1942 B
 
 
Coord arcsec 2000 223945.27-194054.3 Coord calc 223945.27-194054.3 Mag 10.47 PmRA -13.00
PmDE -13.0 Tycho2 6389-00896-1 Calc delta mag 1.22
Tycho2
Tycho2 6389-00896-1 Pflag RAmdeg 339.93865226 DEmdeg -19.68175769
PmRA -13.0 PmDE -15.9 E RAmdeg 26 E DEmdeg 36
E pmRA 2.7 E pmDE 2.8 EpRAm 1990.48 EpDEm 1989.26
Num 3 Q RAmdeg 0.7 Q DEmdeg 1.9 Q pmRA 0.7
Q pmDE 1.9 BTmag 10.904 E BTmag 0.052 VTmag 10.467
E VTmag 0.049 Prox 73 TYC T HIP
CCDM RAdeg 339.93868389 DEdeg -19.68172083 EpRA 1990 1.80
EpDE 1990 1.68 E RAdeg 25.8 E DEdeg 36.8 Posflg
Corr 0.1
CCDM
Ccdm 22398-1942 RComp Comp B Note1
Note2 Discov num HDO 171 DRAs -3.09 DDEs 66.1
R dRAs 66 Year 1917 Theta 344 Rho 63.0
Obs 1 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number -20 6462 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS B11896 M ADS BDS N IDS IDS 22344S2013B
HIC
 
 
22398-1942 C
 
 
Coord arcsec 2000 223944.61-194055.3 Mag 11.87 PmRA 9.00 PmDE -7.0
Tycho2 6389-00896-2 Calc delta mag 2.62 Calc coord yes
Tycho2
Tycho2 6389-00896-2 Pflag RAmdeg 339.93673575 DEmdeg -19.68218606
PmRA 59.5 PmDE -7.7 E RAmdeg 91 E DEmdeg 121
E pmRA 3.5 E pmDE 3.9 EpRAm 1980.74 EpDEm 1974.15
Num 3 Q RAmdeg 1.2 Q DEmdeg 0.4 Q pmRA 1.2
Q pmDE 0.4 BTmag 12.772 E BTmag 0.285 VTmag 11.868
E VTmag 0.200 Prox 73 TYC HIP
CCDM RAdeg 339.93659222 DEdeg -19.68216833 EpRA 1990 1.80
EpDE 1990 1.70 E RAdeg 99.0 E DEdeg 138.7 Posflg
Corr 0.1
CCDM
Ccdm 22398-1942 RComp B Comp C Note1
Note2 Discov num HDO 171 DRAs DDEs
R dRAs Year 1917 Theta 261 Rho 11.8
Obs 2 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B11896 M ADS BDS N IDS IDS 22344S2013C
HIC