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Doubles in session


Current system
14565+0255
A 2172
HD 131954


Nearby doubles
10' : 14570+0255
GRV1106

26' : 14571+0231
BAL1901AB

33' : 14543+0252
BAL2402

38' : 14543+0312
BAL2401

53' : 14599+0309
KPP3941

68' : 14586+0355
UC 198

82' : 14528+0354
CBL 472

85' : 14518+0343
SKF2720

89' : 14595+0213
HLD 174

89' : 14522+0356
HEI 890

101' : 15004+0417
KPP 332

102' : 14586+0432
J 1026

106' : 15011+0415
HJ 1266

107' : 15025+0354
UC 2906

112' : 15031+0202
STF1903

115' : 14490+0321
BAL2400

117' : 14597+0442
BRT2159AB

122' : 14590+0059
A 2173

122' : 15042+0215
CVR 774

124' : 15008+0441
WIS 278

127' : 14542+0054
WIS 274AB

131' : 15031+0421
BAL2866AB

136' : 14530+0500
GWP2470

137' : 15056+0239
BAL2403

138' : 14525-0052
LDS4511

138' : 15049+0158
SHN 197



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.

14565+0255 A 2172 (HD 131954)

 
 
14h 56m 30.89s +02° 55' 12.2" P.A. 122.00 sep 0.2 mag 8.00,8.60 Sp K0
 
 
Coord 2000 14565+0255 Discov num A  2172 Comp Coord arcsec 2000 14 56 30.89 +02 55 12.2
Date first 1910 Date last 2019 Obs 26
Pa first 339 Pa last 122.4 P.A. Now (θ) 113.8°
Sep first 0.2 Sep last 0.169 Sep. Now (ρ) 0.156"
Mag pri 8.00 Mag sec 8.60 delta mag (ΔM) 0.6 Spectral class K0 (yellow-orange)
Pri motion ra +015 Sec motion ra
Pri motion dec +026 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 131954 Constellation Virgo SAO 120747 Tycho2 0330-00180-1
Gaia DR2 1154515251007422464 HD 131954 ADS 9443
 
 
ORBITAL ELEMENTS
 
 
Period (P)168.3y Periastron (T)2000.4y Semi-major axis (a)0.196a
Eccentricity (e)0.177 Inclination (i)115° Longitude of periastron (ω)326°
Node (Ω)128.5° Notes ReferenceHrt2010a
Equinox2000 Last observation2009 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 145.1 0.137
2001 143.4 0.141
2002 141.7 0.145
2003 140.1 0.148
2004 138.6 0.151
2005 137.1 0.154
2006 135.7 0.157
2007 134.3 0.159
2008 133.0 0.161
2009 131.7 0.163
2010 130.4 0.164
2011 129.2 0.165
2012 127.9 0.166
2013 126.7 0.166
2014 125.4 0.166
2015 124.2 0.166
2016 123.0 0.166
2017 121.7 0.165
2018 120.5 0.164
2019 119.2 0.163
2020 117.9 0.161
2021 116.6 0.160
2022 115.2 0.158
2023 113.8 0.156
2024 112.4 0.153
2025 110.9 0.151
2026 109.4 0.148
2027 107.8 0.145
2028 106.1 0.142
2029 104.4 0.139
2030 102.6 0.136


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds14565%2B0255b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 14565+0255 A 2172 (HD 131954) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hrt2010a orb - Hartkopf, W.I. & Mason, B.D. 2010IAUDS.170....1H
Hrt2010a Inf. Circ. 170, 1, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14565+0255 A 2172 2006 22 136 0.2 8.00 8.60 K0 O 145630.89+025512.2
14565+0255 A 2172 2009 24 132 0.2 8.00 8.60 K0 O 145630.89+025512.2
14565+0255 A 2172 2010 25 137 0.2 8.00 8.60 K0 O 145630.89+025512.2
14565+0255 A 2172 2019 26 122 0.2 8.00 8.60 K0 O 145630.89+025512.2

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

 
 
WDS 14565+0255 A 2172 (HD 131954) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 14565+0255 A 2172 (HD 131954) : MEASURES
 
 
No records found.

 
 
WDS 14565+0255 (HD 131954) : VIRTUAL EYEPIECE
 
 

14565+0255 A 2172A mag 8 Sp K0 14565+0255 A 2172B sep 0.2 P.A. 122.40 mag 8.6 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 14565+0255 (HD 131954) : ALADIN DSS IMAGE @ 14h 56m 30.89s +02° 55' 12.2"
 
 
 
 
WDS 14565+0255 A 2172 (HD 131954) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

14565+0255 A 2172 distance=0' 14570+0255 GRV1106 distance=10' 14571+0231 BAL1901AB distance=26' 14571+0231 BAL1901AC distance=26' 14543+0252 BAL2402 distance=33' 14543+0312 BAL2401 distance=38' 14599+0309 KPP3941 distance=53' 14586+0355 UC 198 distance=68' 14528+0354 CBL 472 distance=82' 14518+0343 SKF2720 distance=85' 14595+0213 HLD 174 distance=89' 14522+0356 HEI 890 distance=89' 15004+0417 KPP 332 distance=101' 14586+0432 J 1026 distance=102' 15011+0415 HJ 1266 distance=106' 15025+0354 UC 2906 distance=107' 15031+0202 STF1903 distance=112' 14490+0321 BAL2400 distance=115' 14597+0442 BRT2159AB distance=117' 14597+0442 FYM 243AC distance=117' 14590+0059 A 2173 distance=122' 15042+0215 CVR 774 distance=122' 15008+0441 WIS 278 distance=124' 14542+0054 WIS 274AB distance=127' 14542+0054 RAO 322Aa,Ab distance=127' 15031+0421 BAL2866AB distance=131' 15031+0421 FYM 242BC distance=131' 14530+0500 GWP2470 distance=136' 15056+0239 BAL2403 distance=137' 14525-0052 LDS4511 distance=138' 15049+0158 SHN 197 distance=138' 15003+0500 LDS5831 distance=138' 15055+0330 GWP2490 distance=139' 14530+0047 SLW1040 distance=139' 14534-0042 LDS4514 distance=142' 14474+0202 BU 1113 distance=147' 15020+0100 GRV1107 distance=150' 14472+0354 UC 2838 distance=151' 15059+0350 BAL2867 distance=152' 14594-0030 STF3089 distance=153' 14538-0024 BU 942CD distance=154' 15003+0032 YSC 107 distance=154' 15065+0218 SHN 198 distance=154' 14530+0028 GRV1104 distance=156' 14538-0024 STTA131BC distance=156' 14538-0024 STTA131AB distance=157' 14538-0024 STTA131AC distance=157' 14593-0024 SLW1050 distance=158' 15034+0057 SHN 196 distance=158' 14590+0529 GWP2482 distance=159' 14597-0024 A 2174 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 14565+0255 A 2172 122 0.2
Show 14570+0255 GRV1106 320 36.0 10
Show 14571+0231 BAL1901 AB 6 3.2 26
Show 14571+0231 BAL1901 AC 164 5.4 26
Show 14543+0252 BAL2402 8 5.1 33
Show 14543+0312 BAL2401 51 17.2 38
Show 14599+0309 KPP3941 289 1.5 53
Show 14586+0355 UC 198 66 38.8 68
Show 14528+0354 CBL 472 174 21.5 82
Show 14518+0343 SKF2720 56 1.3 85
Show 14595+0213 HLD 174 212 5.6 89
Show 14522+0356 HEI 890 196 1.7 89
Show 15004+0417 KPP 332 184 3.7 101
Show 14586+0432 J 1026 100 3.5 102
Show 15011+0415 HJ 1266 25 13.2 106
Show 15025+0354 UC 2906 217 23.9 107
Show 15031+0202 STF1903 328 47.0 112
Show 14490+0321 BAL2400 301 10.8 115
Show 14597+0442 BRT2159 AB 73 5.3 117
Show 14597+0442 FYM 243 AC 180 18.9 117
Show 14590+0059 A 2173 310 0.3 122
Show 15042+0215 CVR 774 267 10.0 122
Show 15008+0441 WIS 278 265 641.5 124
Show 14542+0054 WIS 274 AB 233 21.6 127
Show 14542+0054 RAO 322 Aa,Ab 257 0.2 127
Show 15031+0421 BAL2866 AB 126 10.5 131
Show 15031+0421 FYM 242 BC 100 20.4 131
Show 14530+0500 GWP2470 30 8.2 136
Show 15056+0239 BAL2403 41 7.6 137
Show 14525-0052 LDS4511 7 9.2 138
Show 15049+0158 SHN 197 -1 0.4 138
Show 15003+0500 LDS5831 231 9.0 138
Show 15055+0330 GWP2490 10 7.8 139
Show 14530+0047 SLW1040 101 15.2 139
Show 14534-0042 LDS4514 332 73.8 142
Show 14474+0202 BU 1113 140 4.1 147
Show 15020+0100 GRV1107 225 23.3 150
Show 14472+0354 UC 2838 170 44.8 151
Show 15059+0350 BAL2867 167 6.1 152
Show 14594-0030 STF3089 34 5.4 153
Show 14538-0024 BU 942 CD 184 1.5 154
Show 15003+0032 YSC 107 171 0.1 154
Show 15065+0218 SHN 198 -1 0.6 154
Show 14530+0028 GRV1104 329 16.6 156
Show 14538-0024 STTA131 BC 223 186.9 156
Show 14538-0024 STTA131 AB 216 83.0 157
Show 14538-0024 STTA131 AC 220 269.5 157
Show 14593-0024 SLW1050 218 23.7 158
Show 15034+0057 SHN 196 -1 0.1 158
Show 14590+0529 GWP2482 82 15.6 159
Show 14597-0024 A 2174 108 0.8 160

 
 
WDS 14565+0255 : COMPONENTS
 
 
  A
B pa=122.4°
sep=0.17"
 
 
14565+0255 A
 
 
Componente originario normalizzato AB Name HD 131954 Coord arcsec 2000 145630.89+025512.2 Mag 8
Spectral class K0 (yellow-orange) PmRA 15.00 PmDE 26.0 SAO 120747
Tycho2 0330-00180-1 HD 131954 DM BD+03 2957
Tycho2
Tycho2 0330-00180-1 Pflag RAmdeg 224.12873588 DEmdeg 2.92006565
PmRA 7.6 PmDE 29.0 E RAmdeg 8 E DEmdeg 9
E pmRA 1.1 E pmDE 1.2 EpRAm 1990.76 EpDEm 1990.43
Num 10 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.7 BTmag 8.900 E BTmag 0.022 VTmag 7.638
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 224.12871833 DEdeg 2.91999833 EpRA 1990 1.75
EpDE 1990 1.61 E RAdeg 7.8 E DEdeg 9.0 Posflg
Corr -0.1
SAO
SAO 120747 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 0.011 Vmag 8 SpType K0
Double code Source 30 CatNum 5096 DM BD+03 2957
DMcomp BDsup HD 131954 M HD 0
GC RA1950rad 3.90077801 DE1950rad 0.0544607 PmRA2000 0.001
PmDE2000 0.014
CCDM
Ccdm 14565+0255 RComp Comp A Note1
Note2 Discov num DRAs 0.88 DDEs 12.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp K0 PmNote *
PmRA -1 PmDE 27 Dm number +03 2957 Cat1 BD
Name2 +03 1829 Cat2 AGK2/3 HD 131954 M HD
ADS BDS A 9443 M ADS BDS N IDS IDS 14515N0319A
HIC
 
 
14565+0255 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 145630.90+025512.1 Mag 8.6 Calc delta mag 0.6
Calc coord yes
CCDM
Ccdm 14565+0255 RComp Comp B Note1
Note2 Discov num A 2172 DRAs DDEs
R dRAs Year 1956 Theta 291 Rho 0.2
Obs 13 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9443 M ADS BDS N IDS IDS 14515N0319B
HIC