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Doubles in session


Current system
23455+2025
STT 505
HD 222978


Nearby doubles
38' : 23453+2102
GRV 690

42' : 23452+2106
LDS5118

45' : 23459+1941
GRV 691

46' : 23486+2038
BRT2517

50' : 23420+2018
STT 503AB

61' : 23415+2002
UC 5005

66' : 23409+2022
HO 303AB

73' : 23425+2125
COU 244

73' : 23443+2136
BWL 60

80' : 23502+1940
COU 344

84' : 23403+1945
HO 302AB

87' : 23491+1915
COU 343AB

89' : 23440+1859
KPP2435

92' : 23405+1924
LDS5111

95' : 23438+1854
CVR1008

95' : 23439+1853
CVR1009

99' : 23389+2101
LDS5108AB

100' : 23386+1959
COU 342

101' : 23393+2116
COU 33

103' : 23494+1859
SKF1023

103' : 23419+2154
WIS 391

110' : 23439+1838
TDT4165

114' : 23425+1840
STT 504

116' : 23459+1830
KU 141

118' : 23390+1911
GWP3338

118' : 23537+2006
SKF 55



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.

23455+2025 STT 505 (HD 222978)

 
 
23h 45m 29.33s +20° 24' 55.6" P.A. 60.00 sep 2.4 mag 6.75,9.61 Sp G8III dist. 159.24 pc (519.44 l.y.)
 
 
Coord 2000 23455+2025 Discov num STT 505 Comp Coord arcsec 2000 23 45 29.33 +20 24 55.6
Date first 1849 Date last 2017 Obs 38
Pa first 55 Pa last 60.1 P.A. Now (θ) 60.1°
Sep first 2.2 Sep last 2.394 Sep. Now (ρ) 2.394"
Mag pri 6.75 Mag sec 9.61 delta mag (ΔM) 2.86 Spectral class G8III (yellow)
Pri motion ra +020 Sec motion ra +020
Pri motion dec -013 Sec motion dec -013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 222978 Constellation Pegasus SAO 91467 HIP 117182
Tycho2 1727-01961-1 Gaia DR2 2823496523841840768 HD 222978 GC 32979
BD BD+19 5147 Distance 159.24 Distance ly 519.44
 
 
WDS 23455+2025 STT 505 (HD 222978) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23455+2025 STT 505 2003 33 59 2.5 6.75 9.61 G8III D 234529.33+202455.6
23455+2025 STT 505 2009 35 60 2.3 6.75 9.61 G8III D 234529.33+202455.6
23455+2025 STT 505 2015 36 60 2.4 6.75 9.61 G8III 234529.33+202455.6
23455+2025 STT 505 2017 37 60 2.4 6.75 9.61 G8III 234529.33+202455.6

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

 
 
WDS 23455+2025 STT 505 (HD 222978) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23455+2025 STT 505 (HD 222978) : MEASURES
 
 
No records found.

 
 
WDS 23455+2025 (HD 222978) : VIRTUAL EYEPIECE
 
 

23455+2025 STT 505A mag 6.75 Sp G8III 23455+2025 STT 505B sep 2.3 P.A. 58.50 mag 9.61 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 23455+2025 (HD 222978) : ALADIN DSS IMAGE @ 23h 45m 29.33s +20° 24' 55.6"
 
 
 
 
WDS 23455+2025 STT 505 (HD 222978) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23455+2025 STT 505 distance=0' 23453+2102 GRV 690 distance=38' 23452+2106 LDS5118 distance=42' 23459+1941 GRV 691 distance=45' 23486+2038 BRT2517 distance=46' 23420+2018 STT 503AB distance=50' 23420+2018 STT 503AC distance=50' 23415+2002 UC 5005 distance=61' 23409+2022 HO 303AB distance=66' 23409+2022 HO 303AC distance=66' 23425+2125 COU 244 distance=73' 23443+2136 BWL 60 distance=73' 23502+1940 COU 344 distance=80' 23403+1945 HO 302BC distance=83' 23403+1945 HO 302AB distance=84' 23491+1915 COU 343AB distance=87' 23440+1859 KPP2435 distance=89' 23405+1924 LDS5111 distance=92' 23438+1854 CVR1008 distance=95' 23439+1853 CVR1009 distance=95' 23389+2101 LDS5108AB distance=99' 23389+2101 LDS5108AC distance=99' 23386+1959 COU 342 distance=100' 23393+2116 COU 33 distance=101' 23494+1859 SKF1023 distance=103' 23419+2154 WIS 391 distance=103' 23439+1838 TDT4165 distance=110' 23425+1840 STT 504 distance=114' 23459+1830 KU 141 distance=116' 23390+1911 GWP3338 distance=118' 23537+2006 SKF 55 distance=118' 23369+2016 HJ 988 distance=121' 23540+2040 ITF 233 distance=121' 23541+2043 ITF 232 distance=122' 23378+2128 CLZ 93 distance=125' 23466+2235 CVR1016 distance=132' 23371+2123 SLN 99 distance=132' 23361+2027 TDT4118 distance=132' 23417+2226 HJ 991AB distance=132' 23417+2226 FOX 275AC distance=132' 23551+2023 YSC 140 distance=135' 23371+1918 J 625 distance=136' 23452+1807 GWP3349 distance=138' 23547+2131 ITF 231 distance=146' 23374+1854 TDS1218 distance=147' 23422+1800 COU 71 distance=152' 23363+1902 BRT2516 distance=153' 23365+2153 BAR 63 distance=154' 23484+2254 UC 5027 distance=155' 23556+2137 COU 345 distance=160' 23564+1939 GWP3376 distance=160' 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 23455+2025 STT 505 60 2.4
Show 23453+2102 GRV 690 246 33.0 38
Show 23452+2106 LDS5118 210 22.7 42
Show 23459+1941 GRV 691 182 40.6 45
Show 23486+2038 BRT2517 29 3.5 46
Show 23420+2018 STT 503 AB 134 1.0 50
Show 23420+2018 STT 503 AC 239 30.1 50
Show 23415+2002 UC 5005 4 4.0 61
Show 23409+2022 HO 303 AB 187 1.0 66
Show 23409+2022 HO 303 AC 351 128.1 66
Show 23425+2125 COU 244 259 2.5 73
Show 23443+2136 BWL 60 138 3.5 73
Show 23502+1940 COU 344 319 0.2 80
Show 23403+1945 HO 302 BC 72 7.7 83
Show 23403+1945 HO 302 AB 29 79.9 84
Show 23491+1915 COU 343 AB 115 0.1 87
Show 23440+1859 KPP2435 120 21.3 89
Show 23405+1924 LDS5111 133 277.6 92
Show 23438+1854 CVR1008 316 11.7 95
Show 23439+1853 CVR1009 240 8.7 95
Show 23389+2101 LDS5108 AB 111 9.5 99
Show 23389+2101 LDS5108 AC 137 14.8 99
Show 23386+1959 COU 342 31 0.9 100
Show 23393+2116 COU 33 326 5.4 101
Show 23494+1859 SKF1023 306 24.0 103
Show 23419+2154 WIS 391 222 275.4 103
Show 23439+1838 TDT4165 226 0.4 110
Show 23425+1840 STT 504 176 7.7 114
Show 23459+1830 KU 141 195 24.7 116
Show 23390+1911 GWP3338 82 13.9 118
Show 23537+2006 SKF 55 12 16.2 118
Show 23369+2016 HJ 988 241 9.1 121
Show 23540+2040 ITF 233 153 1.0 121
Show 23541+2043 ITF 232 173 3.8 122
Show 23378+2128 CLZ 93 4 19.6 125
Show 23466+2235 CVR1016 321 12.3 132
Show 23371+2123 SLN 99 100 14.1 132
Show 23361+2027 TDT4118 3 0.6 132
Show 23417+2226 HJ 991 AB 341 16.9 132
Show 23417+2226 FOX 275 AC 223 92.8 132
Show 23551+2023 YSC 140 271 0.1 135
Show 23371+1918 J 625 257 2.9 136
Show 23452+1807 GWP3349 242 46.3 138
Show 23547+2131 ITF 231 217 3.0 146
Show 23374+1854 TDS1218 315 1.5 147
Show 23422+1800 COU 71 81 10.9 152
Show 23363+1902 BRT2516 228 4.1 153
Show 23365+2153 BAR 63 252 3.5 154
Show 23484+2254 UC 5027 18 4.9 155
Show 23556+2137 COU 345 185 7.6 160
Show 23564+1939 GWP3376 1 90.6 160

 
 
WDS 23455+2025 : COMPONENTS
 
 
  A
B pa=58.5°
sep=2.28"
 
 
23455+2025 A
 
 
Componente originario normalizzato AB Name HD 222978 Coord arcsec 2000 234529.33+202455.6 Mag 6.75
Spectral class G8III (yellow) PmRA 20.00 PmDE -13.0 SAO 91467
HIP 117182 Tycho2 1727-01961-1 HD 222978 GC 32979
BD BD+19 5147
Tycho2
Tycho2 1727-01961-1 Pflag P RAmdeg 356.37221931 DEmdeg 20.41545725
PmRA 19.7 PmDE -13.1 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.55 EpDEm 1991.21
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.4 Q pmRA 1.2
Q pmDE 0.4 BTmag 8.037 E BTmag 0.016 VTmag 6.748
E VTmag 0.010 Prox 23 TYC T HIP 117182
CCDM A RAdeg 356.37213139 DEdeg 20.41546583 EpRA 1990 1.69
EpDE 1990 1.43 E RAdeg 4.0 E DEdeg 4.8 Posflg D
Corr -0.3
SAO
SAO 91467 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.009 Vmag 6.7 SpType K0
Double code Source 70 CatNum 32979 DM BD+19 5147
DMcomp BDsup HD 222978 M HD 0
GC 32979 RA1950rad 6.20880256 DE1950rad 0.35147175 PmRA2000 0.0019
PmDE2000 -0.014
Hipparcos
Catalog H HIP 117182 Proxy H RAhms 23 45 29.31
DEdms +20 24 55.7 Vmag 6.56 VarFlag R Vmag H
RAdeg 356.372 DEdeg 20.4155 AstroRef A Plx 6.68
CCDM 23455+2025 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 60 Rho 2.345 HD 222978 BD BD+19 5147
CD CP Dm number +19 5147 VIred 1.04
SpType K0 R SpType Coord arcsec 2000 234529.31+202455.7
Hipparcos 2
HIP 117182 Sn 15 So 3 Nc 2
RArad 6.2198669945 DErad 0.3563171032 Plx 6.28 PmRA 27.21
PmDE -10.93 E RArad 0.44 E DErad 0.33 E Plx 0.55
E pmRA 0.44 E pmDE 0.34 Hpmag 6.7323 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.5 E BV 0.495
VI 1.04
CCDM
Ccdm 23455+2025 RComp Comp A Note1
Note2 Discov num DRAs -0.66 DDEs -4.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp K0 PmNote *
PmRA 29 PmDE 3 Dm number +19 5147 Cat1 BD
Name2 +20 2652 Cat2 AGK2/3 HD 222978 M HD
ADS BDS A16970 M ADS BDS N IDS IDS 23404N1952A
HIC 117182
 
 
23455+2025 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 234529.47+202456.8 Mag 9.61 PmRA 20.00
PmDE -13.0 Tycho2 1727-01961-2 Calc delta mag 2.86 Calc coord yes
Tycho2
Tycho2 1727-01961-2 Pflag P RAmdeg 356.37221931 DEmdeg 20.41545725
PmRA 19.7 PmDE -13.1 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.55 EpDEm 1991.21
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.4 Q pmRA 1.2
Q pmDE 0.4 BTmag 10.233 E BTmag 0.034 VTmag 9.608
E VTmag 0.028 Prox 23 TYC HIP 117182
CCDM B RAdeg 356.37272083 DEdeg 20.41579972 EpRA 1990 1.69
EpDE 1990 1.40 E RAdeg 15.8 E DEdeg 22.0 Posflg D
Corr -0.3
CCDM
Ccdm 23455+2025 RComp Comp B Note1
Note2 Discov num STT 505 DRAs DDEs
R dRAs Year 1849 Theta 060 Rho 2.2
Obs 14 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16970 M ADS BDS N IDS IDS 23404N1952B
HIC 117182