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Doubles in session


Current system
23403+1945
HO 302 AB
HD 222418


Nearby doubles
22' : 23405+1924
LDS5111

25' : 23415+2002
UC 5005

27' : 23386+1959
COU 342

38' : 23409+2022
HO 303AB

39' : 23390+1911
GWP3338

41' : 23420+2018
STT 503AB

52' : 23371+1918
J 625

56' : 23369+2016
HJ 988

66' : 23374+1854
TDS1218

70' : 23363+1902
BRT2516

71' : 23440+1859
KPP2435

72' : 23361+2027
TDT4118

73' : 23438+1854
CVR1008

73' : 23425+1840
STT 504

74' : 23439+1853
CVR1009

79' : 23389+2101
LDS5108AB

81' : 23459+1941
GRV 691

84' : 23455+2025
STT 505

86' : 23439+1838
TDT4165

86' : 23347+1914
COU 341

88' : 23379+1824
KUI 117AB

93' : 23393+2116
COU 33

93' : 23337+1944
CVR 998

96' : 23353+1839
LDS5103

99' : 23361+1827
YSC 229

105' : 23425+2125
COU 244



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

23403+1945 HO 302 AB (HD 222418)

 
 
23h 40m 16.01s +19° 45' 15.7" P.A. 29.00 sep 79.9 mag 8.86,10.21 Sp B8 dist. 149.7 pc (488.32 l.y.)
 
 
Coord 2000 23403+1945 Discov num HO  302 Comp AB Coord arcsec 2000 23 40 16.01 +19 45 15.7
Date first 1886 Date last 2017 Obs 18
Pa first 29 Pa last 29.4 P.A. Now (θ) 29.4°
Sep first 60.0 Sep last 79.86 Sep. Now (ρ) 79.86"
Mag pri 8.86 Mag sec 10.21 delta mag (ΔM) 1.35 Spectral class B8 (blue-white)
Pri motion ra +015 Sec motion ra +015
Pri motion dec -014 Sec motion dec -013
Notes V (Proper motion indicates physical)
rPM=0.049 (< 0.3, Physical double)
This double is physical.
 
 
23403+1945 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 222418 108759 23 40 16 +19 45 16 HO 302 AB 2017 18 29 79.9 8.86 10.21 1.35 <===
Show 23 40 19 +19 46 25 HO 302 BC 2015 13 72 7.7 10.21 11.80 1.59
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 222418 Constellation Pegasus SAO 108759 HIP 116797
Tycho2 1724-01416-1 Gaia DR2 2823026654417791488 HD 222418 BD BD+18 5188
Distance 149.7 Distance ly 488.32
 
 
WDS 23403+1945 HO 302 AB (HD 222418) : 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
23403+1945 HO 302 AB 2004 9 29 80.0 8.86 10.21 B8 D 234016.01+194515.7
23403+1945 HO 302 AB 2017 12 29 79.9 8.86 10.21 B8 234016.01+194515.7

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

 
 
WDS 23403+1945 HO 302 AB (HD 222418) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23403+1945 HO 302 AB (HD 222418) : MEASURES
 
 
No records found.

 
 
WDS 23403+1945 (HD 222418) : VIRTUAL EYEPIECE
 
 

23403+1945 HO 302A mag 8.86 Sp B8 23403+1945 HO 302B sep 79.9 P.A. 29.30 mag 10.21 23403+1945 HO 302C sep 85.5 P.A. 32.60 mag 11.8 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 23403+1945 (HD 222418) : ALADIN DSS IMAGE @ 23h 40m 16.01s +19° 45' 15.7"
 
 
 
 
WDS 23403+1945 HO 302 AB (HD 222418) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23403+1945 HO 302AB distance=0' 23403+1945 HO 302BC distance=2' 23405+1924 LDS5111 distance=22' 23415+2002 UC 5005 distance=25' 23386+1959 COU 342 distance=27' 23409+2022 HO 303AB distance=38' 23409+2022 HO 303AC distance=38' 23390+1911 GWP3338 distance=39' 23420+2018 STT 503AB distance=41' 23420+2018 STT 503AC distance=41' 23371+1918 J 625 distance=52' 23369+2016 HJ 988 distance=56' 23374+1854 TDS1218 distance=66' 23363+1902 BRT2516 distance=70' 23440+1859 KPP2435 distance=71' 23361+2027 TDT4118 distance=72' 23438+1854 CVR1008 distance=73' 23425+1840 STT 504 distance=73' 23439+1853 CVR1009 distance=74' 23389+2101 LDS5108AB distance=79' 23389+2101 LDS5108AC distance=79' 23459+1941 GRV 691 distance=81' 23455+2025 STT 505 distance=84' 23439+1838 TDT4165 distance=86' 23347+1914 COU 341 distance=86' 23379+1824 KUI 117AB distance=88' 23379+1824 DRS 31Aa,Ab distance=88' 23393+2116 COU 33 distance=93' 23337+1944 CVR 998 distance=93' 23353+1839 LDS5103 distance=96' 23361+1827 YSC 229 distance=99' 23425+2125 COU 244 distance=105' 23453+2102 GRV 690 distance=106' 23452+2106 LDS5118 distance=106' 23371+2123 SLN 99 distance=108' 23378+2128 CLZ 93 distance=109' 23422+1800 COU 71 distance=109' 23459+1830 KU 141 distance=111' 23322+1942 COU 340 distance=114' 23317+1956 WIR 1AB distance=119' 23317+1956 LMP 24AC distance=119' 23317+1956 LMP 24AD distance=119' 23452+1807 GWP3349 distance=121' 23318+2016 UC 4975 distance=124' 23443+2136 BWL 60 distance=125' 23341+1814 BRT2515 distance=127' 23491+1915 COU 343AB distance=129' 23486+2038 BRT2517 distance=129' 23419+2154 WIS 391 distance=132' 23494+1859 SKF1023 distance=138' 23365+2153 BAR 63 distance=139' 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 23403+1945 HO 302 AB 29 79.9
Show 23403+1945 HO 302 BC 72 7.7 2
Show 23405+1924 LDS5111 133 277.6 22
Show 23415+2002 UC 5005 4 4.0 25
Show 23386+1959 COU 342 31 0.9 27
Show 23409+2022 HO 303 AB 187 1.0 38
Show 23409+2022 HO 303 AC 351 128.1 38
Show 23390+1911 GWP3338 82 13.9 39
Show 23420+2018 STT 503 AB 134 1.0 41
Show 23420+2018 STT 503 AC 239 30.1 41
Show 23371+1918 J 625 257 2.9 52
Show 23369+2016 HJ 988 241 9.1 56
Show 23374+1854 TDS1218 315 1.5 66
Show 23363+1902 BRT2516 228 4.1 70
Show 23440+1859 KPP2435 120 21.3 71
Show 23361+2027 TDT4118 3 0.6 72
Show 23438+1854 CVR1008 316 11.7 73
Show 23425+1840 STT 504 176 7.7 73
Show 23439+1853 CVR1009 240 8.7 74
Show 23389+2101 LDS5108 AB 111 9.5 79
Show 23389+2101 LDS5108 AC 137 14.8 79
Show 23459+1941 GRV 691 182 40.6 81
Show 23455+2025 STT 505 60 2.4 84
Show 23439+1838 TDT4165 226 0.4 86
Show 23347+1914 COU 341 119 0.8 86
Show 23379+1824 KUI 117 AB 245 27.5 88
Show 23379+1824 DRS 31 Aa,Ab 169 0.9 88
Show 23393+2116 COU 33 326 5.4 93
Show 23337+1944 CVR 998 169 22.4 93
Show 23353+1839 LDS5103 12 156.6 96
Show 23361+1827 YSC 229 345 0.0 99
Show 23425+2125 COU 244 259 2.5 105
Show 23453+2102 GRV 690 246 33.0 106
Show 23452+2106 LDS5118 210 22.7 106
Show 23371+2123 SLN 99 100 14.1 108
Show 23378+2128 CLZ 93 4 19.6 109
Show 23422+1800 COU 71 81 10.9 109
Show 23459+1830 KU 141 195 24.7 111
Show 23322+1942 COU 340 55 0.3 114
Show 23317+1956 WIR 1 AB 73 5.3 119
Show 23317+1956 LMP 24 AC 13 30.2 119
Show 23317+1956 LMP 24 AD 337 38.1 119
Show 23452+1807 GWP3349 242 46.3 121
Show 23318+2016 UC 4975 315 27.5 124
Show 23443+2136 BWL 60 138 3.5 125
Show 23341+1814 BRT2515 163 3.9 127
Show 23491+1915 COU 343 AB 115 0.1 129
Show 23486+2038 BRT2517 29 3.5 129
Show 23419+2154 WIS 391 222 275.4 132
Show 23494+1859 SKF1023 306 24.0 138
Show 23365+2153 BAR 63 252 3.5 139

 
 
WDS 23403+1945 : COMPONENTS
 
 
  A B
B pa=29.3°
sep=79.92"
 
C pa=32.6°
sep=85.52"
pa=71.0°
sep=7.32"
 
 
23403+1945 A
 
 
Name HD 222418 Coord arcsec 2000 234016.01+194515.7 Mag 8.86 Spectral class B8 (blue-white)
PmRA 15.00 PmDE -14.0 SAO 108759 HIP 116797
Tycho2 1724-01416-1 HD 222418 BD BD+18 5188
Tycho2
Tycho2 1724-01416-1 Pflag RAmdeg 355.06670072 DEmdeg 19.75438364
PmRA 14.3 PmDE -17.6 E RAmdeg 7 E DEmdeg 8
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.02 EpDEm 1990.82
Num 8 Q RAmdeg 0.6 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 9.139 E BTmag 0.017 VTmag 8.858
E VTmag 0.014 Prox 800 TYC T HIP 116797
CCDM RAdeg 355.06666528 DEdeg 19.75442472 EpRA 1990 1.64
EpDE 1990 1.67 E RAdeg 7.4 E DEdeg 7.7 Posflg
Corr -0.2
SAO
SAO 108759 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.006 Vmag 8.7 SpType B8
Double code Source 28 CatNum 9653 DM BD+18 5188
DMcomp BDsup HD 222418 M HD 0
GC RA1950rad 6.18605518 DE1950rad 0.33994655 PmRA2000 0.0006
PmDE2000 -0.011
Hipparcos
Catalog H HIP 116797 Proxy RAhms 23 40 16.00
DEdms +19 45 15.9 Vmag 8.83 VarFlag R Vmag H
RAdeg 355.067 DEdeg 19.7544 AstroRef Plx 6.61
CCDM 23403+1946 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 222418 BD BD+18 5188
CD CP Dm number +18 5188 VIred 0.3
SpType B8 R SpType Coord arcsec 2000 234016.00+194515.9
Hipparcos 2
HIP 116797 Sn 5 So 0 Nc 1
RArad 6.1970823174 DErad 0.3447797579 Plx 6.68 PmRA 14.61
PmDE -13.69 E RArad 0.69 E DErad 0.56 E Plx 1
E pmRA 0.77 E pmDE 0.55 Hpmag 8.9007 E Hpmag 0.002
SHp 0.017 VA 0 BV 0.269 E BV 0.019
VI 0.3
 
 
23403+1945 B
 
 
Coord arcsec 2000 234018.78+194625.4 Coord calc 234018.78+194625.4 Mag 10.21 PmRA 15.00
PmDE -14.0 Tycho2 1724-00378-1 Calc delta mag 1.35
Tycho2
Tycho2 1724-00378-1 Pflag RAmdeg 355.07829039 DEmdeg 19.77373690
PmRA 17.1 PmDE -18.0 E RAmdeg 22 E DEmdeg 25
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.93 EpDEm 1988.35
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.9 Q pmRA 0.5
Q pmDE 2.0 BTmag 10.735 E BTmag 0.040 VTmag 10.206
E VTmag 0.035 Prox 800 TYC T HIP
CCDM RAdeg 355.07824833 DEdeg 19.77377833 EpRA 1990 1.67
EpDE 1990 1.67 E RAdeg 22.2 E DEdeg 24.5 Posflg
Corr -0.2
 
 
23403+1945 C
 
 
Coord arcsec 2000 234019.27+194627.8 Mag 11.8 PmRA 27.00 PmDE -8.0
Calc delta mag 2.94 Calc coord yes