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Current system
23228+2034
STF 3007 AC


Nearby doubles
28' : 23235+2059
TDT4015

38' : 23251+2052
UC 4946

60' : 23269+2016
TDT4038

61' : 23268+2057
COU 241

65' : 23263+1952
CLZ 90

67' : 23232+2139
UC 4935

78' : 23283+2028
KPP1191

79' : 23211+2148
UC 286

81' : 23171+2045
BRT2512

84' : 23278+1948
TDT4048

85' : 23172+2004
KPP1024

89' : 23208+2158
STT 494

95' : 23175+1937
BEU 23

95' : 23228+2208
GIC 191

96' : 23170+2125
STF2997

104' : 23167+1937
HDS3316

107' : 23259+2211
UC 289

108' : 23305+2038
CVR 993

109' : 23300+2114
UC 4964

111' : 23300+2117
GRV 668AB

111' : 23228+1843
J 3193

115' : 23231+1839
TDS1206

117' : 23145+2027
HJ 982AB

128' : 23318+2016
UC 4975

133' : 23317+1956
WIR 1AB

135' : 23305+1914
TDT4074



Selections
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Quadruple Systems
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

23228+2034 STF 3007 AC

 
 
23h 22m 48.67s +20° 33' 32.2" P.A. 305.00 sep 103.8 mag 6.74,10.86 Sp G2V dist. 37.38 pc (121.93 l.y.)
 
 
Coord 2000 23228+2034 Discov num STF3007 Comp AC Coord arcsec 2000 23 22 48.67 +20 33 32.2
Date first 1887 Date last 2017 Obs 23
Pa first 323 Pa last 304.6 P.A. Now (θ) 304.6°
Sep first 74.3 Sep last 103.8 Sep. Now (ρ) 103.8"
Mag pri 6.74 Mag sec 10.86 delta mag (ΔM) 4.12 Spectral class G2V (yellow)
Pri motion ra +315 Sec motion ra +004
Pri motion dec -011 Sec motion dec -007
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.987
This double is not physical.
 
 
23228+2034 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 220334 91222 23 22 49 +20 33 32 STF 3007 AB 2022 284 92 5.9 6.74 9.78 3.04 Y
Show 91222 23 22 49 +20 33 32 STF 3007 AC 2017 23 305 103.8 6.74 10.86 4.12 <===
Show 23 22 49 +20 33 32 TOK 704 Ba,Bb 2021 6 187 0.8 6.40 8.40 2.00 Y
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus SAO 91222 HIP 115417 Tycho2 1719-02297-1
Gaia DR2 2825753374536867584 HD 220334 BD BD+19 5093 Distance 37.38
Distance ly 121.93
 
 
WDS 23228+2034 STF 3007 AC : NOTES
 
 
discov_num notes refcode
STF3007 AB: NLTT 56671/56672 Chm2004
AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
34 TOK Tokovinin, A.A.
81 TOK Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., &
81 TOK Weigelt, G.
95 TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
95 TOK Martinez, M., & Mondaca, E.
163 TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
163 TOK Ratzloff, J. & Walter, F.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23228+2034 STF3007 AC 2007 20 306 99.7 6.74 10.86 G2V NLD 232248.67+203332.2
23228+2034 STF3007 AC 2017 23 305 103.8 6.74 10.86 G2V NL U 232248.67+203332.2

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

 
 
WDS 23228+2034 STF 3007 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23228+2034 STF 3007 AC : MEASURES
 
 
No records found.

 
 
WDS 23228+2034 : VIRTUAL EYEPIECE
 
 

23228+2034 STF3007A mag 6.74 Sp G2V 23228+2034 TOK 704B sep 5.8 P.A. 91.00 mag 6.4 Sp dK6 23228+2034 TOK 704Bb sep 5.7 P.A. 98.60 mag 8.4 23228+2034 STF3007C sep 99.4 P.A. 306.40 mag 10.86 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 23228+2034 : ALADIN DSS IMAGE @ 23h 22m 48.67s +20° 33' 32.2"
 
 
 
 
WDS 23228+2034 STF 3007 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23228+2034 STF3007AC distance=0' 23228+2034 TOK 704Ba,Bb distance=1' 23235+2059 TDT4015 distance=28' 23251+2052 UC 4946 distance=38' 23269+2016 TDT4038 distance=60' 23268+2057 COU 241 distance=61' 23263+1952 CLZ 90 distance=65' 23232+2139 UC 4935 distance=67' 23283+2028 KPP1191 distance=78' 23211+2148 UC 286 distance=79' 23171+2045 BRT2512 distance=81' 23278+1948 TDT4048 distance=84' 23172+2004 KPP1024 distance=85' 23208+2158 STT 494 distance=89' 23175+1937 BEU 23 distance=95' 23228+2208 GIC 191 distance=95' 23170+2125 STF2997 distance=96' 23167+1937 HDS3316 distance=104' 23259+2211 UC 289 distance=107' 23305+2038 CVR 993 distance=108' 23300+2114 UC 4964 distance=109' 23300+2117 GRV 668AB distance=111' 23300+2117 GRV 668AC distance=111' 23228+1843 J 3193 distance=111' 23231+1839 TDS1206 distance=115' 23145+2027 HJ 982AB distance=117' 23145+2027 HJ 982AC distance=117' 23318+2016 UC 4975 distance=128' 23317+1956 WIR 1AB distance=133' 23317+1956 LMP 24AC distance=133' 23317+1956 LMP 24AD distance=133' 23305+1914 TDT4074 distance=135' 23161+2211 MET 98AB distance=136' 23161+2211 MET 98AC distance=136' 23168+1843 KPP1044 distance=140' 23299+2211 LDS1068 distance=140' 23132+1959 STF2989 distance=141' 23322+1942 COU 340 distance=142' 23318+2148 COU 243 distance=147' 23245+1807 LDS5084 distance=149' 23176+1818 HU 400 distance=154' 23139+2204 GRV 653 distance=155' 23231+1758 CVR 988 distance=155' 23258+1804 KPP1077 distance=156' 23284+2251 COU 242 distance=158' 23309+1845 COU2712 distance=158' 23136+2207 BRT2511 distance=159' 23311+1847 STF3020 distance=159' 23324+2159 HDS3354 distance=159' 23127+1923 J 3353 distance=161' 23325+2200 HLM 41AB distance=161' 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 23228+2034 STF3007 AB 92 5.9
Show 23228+2034 STF3007 AC 305 103.8
Show 23228+2034 TOK 704 Ba,Bb 187 0.8 1
Show 23235+2059 TDT4015 212 0.4 28
Show 23251+2052 UC 4946 132 28.1 38
Show 23269+2016 TDT4038 62 0.6 60
Show 23268+2057 COU 241 12 3.4 61
Show 23263+1952 CLZ 90 181 31.2 65
Show 23232+2139 UC 4935 263 4.8 67
Show 23283+2028 KPP1191 55 9.3 78
Show 23211+2148 UC 286 293 69.8 79
Show 23171+2045 BRT2512 351 3.7 81
Show 23278+1948 TDT4048 235 0.9 84
Show 23172+2004 KPP1024 54 8.2 85
Show 23208+2158 STT 494 82 3.3 89
Show 23175+1937 BEU 23 25 0.4 95
Show 23228+2208 GIC 191 254 999.9 95
Show 23170+2125 STF2997 222 24.8 96
Show 23167+1937 HDS3316 8 0.1 104
Show 23259+2211 UC 289 68 39.5 107
Show 23305+2038 CVR 993 279 9.6 108
Show 23300+2114 UC 4964 262 32.6 109
Show 23300+2117 GRV 668 AB 331 6.2 111
Show 23300+2117 GRV 668 AC 322 78.6 111
Show 23228+1843 J 3193 212 7.2 111
Show 23231+1839 TDS1206 106 1.5 115
Show 23145+2027 HJ 982 AB 172 39.6 117
Show 23145+2027 HJ 982 AC 217 46.5 117
Show 23318+2016 UC 4975 315 27.5 128
Show 23317+1956 WIR 1 AB 73 5.3 133
Show 23317+1956 LMP 24 AC 13 30.2 133
Show 23317+1956 LMP 24 AD 337 38.1 133
Show 23305+1914 TDT4074 56 2.4 135
Show 23161+2211 MET 98 AB 130 8.9 136
Show 23161+2211 MET 98 AC 306 9.8 136
Show 23168+1843 KPP1044 107 8.4 140
Show 23299+2211 LDS1068 313 9.8 140
Show 23132+1959 STF2989 143 1.8 141
Show 23322+1942 COU 340 55 0.3 142
Show 23318+2148 COU 243 344 0.9 147
Show 23245+1807 LDS5084 213 41.3 149
Show 23176+1818 HU 400 70 0.3 154
Show 23139+2204 GRV 653 176 69.1 155
Show 23231+1758 CVR 988 186 20.5 155
Show 23258+1804 KPP1077 125 8.6 156
Show 23284+2251 COU 242 325 1.9 158
Show 23309+1845 COU2712 42 27.9 158
Show 23136+2207 BRT2511 163 4.2 159
Show 23311+1847 STF3020 99 2.3 159
Show 23324+2159 HDS3354 40 4.1 159
Show 23127+1923 J 3353 183 6.4 161

 
 
WDS 23228+2034 : COMPONENTS
 
 
  A B Bb
B pa=91.0°
sep=5.76"
 
Bb pa=98.6°
sep=5.74"
pa=186.4°
sep=0.76"
 
C pa=306.4°
sep=99.37"
pa=304.5°
sep=104.11"
pa=304.9°
sep=104.48"
 
 
23228+2034 A
 
 
Name HD 220334 Coord arcsec 2000 232248.67+203332.2 Mag 6.74 Spectral class G2V (yellow)
PmRA 313.00 PmDE -12.0 SAO 91222 HIP 115417
Tycho2 1719-02297-1 HD 220334 GC 32537 BD BD+19 5093
Tycho2
Tycho2 1719-02297-1 Pflag RAmdeg 350.70279876 DEmdeg 20.55894599
PmRA 312.5 PmDE -11.9 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.47 EpDEm 1991.44
Num 18 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 1.0 BTmag 7.422 E BTmag 0.015 VTmag 6.741
E VTmag 0.010 Prox 58 TYC T HIP 115417
CCDM A RAdeg 350.70204222 DEdeg 20.55897278 EpRA 1990 1.84
EpDE 1990 1.83 E RAdeg 3.8 E DEdeg 4.2 Posflg
Corr -0.4
SAO
SAO 91222 DelFlag RA1950 PmRA1950 0.0224
DE1950 PmDE1950 -0.009 Vmag 6.6 SpType G0
Double code Source 70 CatNum 32537 DM BD+19 5093
DMcomp BDsup HD 220334 M HD 0
GC 32537 RA1950rad 6.10995634 DE1950rad 0.35403331 PmRA2000 0.0224
PmDE2000 -0.013
Hipparcos
Catalog H HIP 115417 Proxy H RAhms 23 22 48.48
DEdms +20 33 32.3 Vmag 6.62 VarFlag R Vmag G
RAdeg 350.702 DEdeg 20.559 AstroRef A Plx 26.7
CCDM 23228+2034 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 91 Rho 5.827 HD 220334 BD BD+19 5093
CD CP Dm number +19 5093 VIred 0.67
SpType G2V R SpType Coord arcsec 2000 232248.48+203332.3
Hipparcos 2
HIP 115417 Sn 15 So 3 Nc 2
RArad 6.1209043491 DErad 0.3588217613 Plx 26.75 PmRA 314.57
PmDE -11.7 E RArad 0.49 E DErad 0.37 E Plx 0.62
E pmRA 0.52 E pmDE 0.39 Hpmag 6.751 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.6 E BV 0.015
VI 0.67
CCDM
Ccdm 23228+2034 RComp Comp A Note1
Note2 Discov num DRAs 0.65 DDEs -28.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.7 Sp G0 PmNote *
PmRA 316 PmDE -12 Dm number +19 5093 Cat1 BD
Name2 +20 2626 Cat2 AGK2/3 HD 220334 M HD
ADS BDS A16713 M ADS BDS N IDS IDS 23178N2001A
HIC 115417
 
 
23228+2034 B
 
 
Coord arcsec 2000 232249.08+203332.1 Coord calc 232249.06+203332.0 Mag 6.4 Mag composta 9.78
Spectral class dK6 PmRA 315.00 PmDE -11.0 Calc delta mag 0.34
 
 
23228+2034 Bb
 
 
Coord arcsec 2000 232249.07+203331.3 Mag 8.4 Calc delta mag 1.66 Calc coord yes
 
 
23228+2034 C
 
 
Coord arcsec 2000 232242.97+203431.1 Mag 10.86 PmRA 4.00 PmDE -7.0
Tycho2 1719-01713-1 Calc delta mag 4.12 Calc coord yes
Tycho2
Tycho2 1719-01713-1 Pflag RAmdeg 350.67930744 DEmdeg 20.57553165
PmRA 4.6 PmDE -6.8 E RAmdeg 37 E DEmdeg 47
E pmRA 1.3 E pmDE 1.3 EpRAm 1982.16 EpDEm 1976.20
Num 4 Q RAmdeg 0.3 Q DEmdeg 1.3 Q pmRA 0.3
Q pmDE 1.3 BTmag 11.973 E BTmag 0.101 VTmag 10.858
E VTmag 0.061 Prox 970 TYC T HIP
CCDM RAdeg 350.67929611 DEdeg 20.57554722 EpRA 1990 1.77
EpDE 1990 1.81 E RAdeg 39.3 E DEdeg 50.7 Posflg
Corr -0.4
CCDM
Ccdm 23228+2034 RComp Comp C Note1
Note2 Discov num STF3007 DRAs DDEs
R dRAs Year 1956 Theta 311 Rho 88.2
Obs 12 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16713 M ADS BDS N IDS IDS 23178N2001C
HIC