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Doubles in session


Current system
12089+2147
HDS 1714 Aa,Ab


Nearby doubles
55' : 12049+2150
LDS4177

58' : 12130+2146
JNN 277

61' : 12113+2238
BRT2414

63' : 12121+2232
SKF2012

68' : 12043+2128
STF1596

69' : 12138+2143
HU 569

71' : 12039+2152
FYM 232

72' : 12071+2255
GUR 29

74' : 12137+2118
HU 570

74' : 12136+2112
UC 2296

75' : 12046+2232
COU 92

76' : 12111+2257
COU 94

78' : 12034+2157
BRT2413

83' : 12069+2030
HO 255

86' : 12065+2027
FYM 231

90' : 12025+2145
HO 535

91' : 12059+2027
RAO 270

92' : 12025+2128
TDS8185

93' : 12137+2252
TDS8277

93' : 12114+2313
SKF 986

94' : 12058+2310
COU 93

94' : 12119+2024
HJ 2601

94' : 12060+2312
WSI 103

95' : 12078+2322
LDS4182AB

98' : 12021+2211
SKF2697

99' : 12135+2303
WSP 56



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.

12089+2147 HDS 1714 Aa,Ab

 
 
12h 08m 54.66s +21° 47' 19.4" P.A. 204.00 sep 0.1 mag 9.74,11.99 Sp G2V dist. 79.43 pc (259.1 l.y.)
 
 
Coord 2000 12089+2147 Discov num HDS1714 Comp Aa,Ab Coord arcsec 2000 12 08 54.66 +21 47 19.4
Date first 1991 Date last 2021 Obs 8
Pa first 65 Pa last 203.6 P.A. Now (θ) 203.6°
Sep first 0.3 Sep last 0.133 Sep. Now (ρ) 0.133"
Mag pri 9.74 Mag sec 11.99 delta mag (ΔM) 2.25 Spectral class G2V (yellow)
Pri motion ra -387 Sec motion ra
Pri motion dec +038 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
12089+2147 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 08 55 +21 47 19 HDS 1714 Aa,Ab 2021 8 204 0.1 9.74 11.99 2.25 Y <===
Show 12 08 55 +21 47 19 LDS 930 AB 2018 10 39 15.5 9.45 14.63 5.18
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices HIP 59233 Tycho2 1444-00419-1 BD BD+22 2442
Distance 79.43 Distance ly 259.1
 
 
ORBITAL ELEMENTS
 
 
Period (P)235.6y Periastron (T)2029.2y Semi-major axis (a)0.5979a
Eccentricity (e)0.8 Inclination (i)80.3° Longitude of periastron (ω)219.9°
Node (Ω)41.1° Notesn ReferenceTok2019e
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 76.2 0.172
2001 78.2 0.161
2002 80.5 0.150
2003 83.1 0.139
2004 86.2 0.129
2005 89.8 0.119
2006 94.1 0.109
2007 99.2 0.100
2008 105.2 0.092
2009 112.4 0.084
2010 120.7 0.079
2011 130.1 0.075
2012 140.3 0.073
2013 150.7 0.073
2014 160.7 0.076
2015 169.8 0.080
2016 177.8 0.086
2017 184.6 0.094
2018 190.4 0.101
2019 195.4 0.110
2020 199.6 0.118
2021 203.3 0.127
2022 206.6 0.134
2023 209.5 0.140
2024 212.2 0.145
2025 214.8 0.147
2026 217.4 0.145
2027 220.1 0.137
2028 223.4 0.122
2029 227.9 0.098
2030 236.2 0.067


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


 
  


wds12089%2B2147a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12089+2147 HDS 1714 Aa,Ab : NOTES
 
 
discov_num notes refcode
LDS 930 G059-001. See Allen et al. (2000) for information on metallicity, AlC2000
age, galactic orbital parameters, etc.
 
 
REFERENCES
 
 
refcode metd author reference
AlC2000 Po - Allen, C., Poveda, A., & Herrera, M 2000A&A...356..529A
AlC2000 A&A 356, 529, 2000
Tok2019e St j Tokovinin, A., Everett, M.E., Horch, E.P., Torres, G. & Latham, D.W. 2019AJ....158..167T
Tok2019e +orb AJ 158, 167, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (from additional DD list)
1 LDS Luyten p.m. catalog (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12089+2147 HDS1714 Aa,Ab 1991 1 65 0.3 9.74 11.99 G2V 120854.91+214719.1
12089+2147 HDS1714 Aa,Ab 2007 2 281 0.1 9.74 11.99 G2V D 120854.91+214719.1
12089+2147 HDS1714 Aa,Ab 2018 3 191 0.1 9.74 11.99 G2V N 120854.66+214719.4
12089+2147 HDS1714 Aa,Ab 2019 6 197 0.1 9.74 11.99 G2V NO 120854.66+214719.4
12089+2147 HDS1714 Aa,Ab 2021 8 204 0.1 9.74 11.99 G2V NO 120854.66+214719.4

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

 
 
WDS 12089+2147 HDS 1714 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12089+2147 HDS 1714 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 12089+2147 : VIRTUAL EYEPIECE
 
 

12089+2147 LDS 930A mag 9.45 Sp G2V 12089+2147 HDS1714Ab sep 0.1 P.A. 202.10 mag 11.99 12089+2147 LDS 930B sep 15.1 P.A. 37.20 mag 14.63 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 12089+2147 : ALADIN DSS IMAGE @ 12h 08m 54.66s +21° 47' 19.4"
 
 
 
 
WDS 12089+2147 HDS 1714 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12089+2147 HDS1714Aa,Ab distance=0' 12049+2150 LDS4177 distance=55' 12130+2146 JNN 277 distance=58' 12113+2238 BRT2414 distance=61' 12121+2232 SKF2012 distance=63' 12043+2128 STF1596 distance=68' 12138+2143 HU 569 distance=69' 12039+2152 FYM 232 distance=71' 12071+2255 GUR 29 distance=72' 12137+2118 HU 570 distance=74' 12136+2112 UC 2296 distance=74' 12046+2232 COU 92 distance=75' 12111+2257 COU 94 distance=76' 12034+2157 BRT2413 distance=78' 12069+2030 HO 255 distance=83' 12065+2027 FYM 231 distance=86' 12025+2145 HO 535 distance=90' 12059+2027 RAO 270 distance=91' 12025+2128 TDS8185 distance=92' 12137+2252 TDS8277 distance=93' 12114+2313 SKF 986 distance=93' 12058+2310 COU 93 distance=94' 12119+2024 HJ 2601 distance=94' 12060+2312 WSI 103 distance=94' 12078+2322 LDS4182AB distance=95' 12078+2322 LDS4182AC distance=95' 12021+2211 SKF2697 distance=98' 12135+2303 WSP 56 distance=99' 12033+2045 TDS8195 distance=101' 12022+2108 A 2163 distance=102' 12015+2127 CBL 368 distance=106' 12041+2312 POU3120 distance=108' 12023+2047 A 2164 distance=110' 12123+2334 DVG 38 distance=117' 12174+2203 AZC 73 distance=120' 12171+2241 COU 179 distance=125' 12007+2051 BDK 5 distance=128' 12126+2347 CBL 377 distance=131' 12046+1952 SLW 680 distance=131' 12186+2148 GRV 854 distance=136' 12145+2340 SKF1473 distance=137' 12053+1941 ZIE 8 distance=137' 12118+2400 LDS6258AB distance=139' 12118+2400 LDS5749AC distance=139' 11594+2052 HO 534 distance=144' 12051+1933 GIC 103AB distance=145' 12028+2345 GRV 849 distance=145' 12149+1947 COU 178 distance=147' 12042+2407 A 682 distance=155' 12165+1953 CVR1421 distance=157' 12128+2418 POU3121 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 12089+2147 HDS1714 Aa,Ab 204 0.1
Show 12089+2147 LDS 930 AB 39 15.5
Show 12049+2150 LDS4177 336 77.4 55
Show 12130+2146 JNN 277 255 0.6 58
Show 12113+2238 BRT2414 24 3.7 61
Show 12121+2232 SKF2012 192 63.3 63
Show 12043+2128 STF1596 234 3.4 68
Show 12138+2143 HU 569 162 1.2 69
Show 12039+2152 FYM 232 195 6.8 71
Show 12071+2255 GUR 29 30 1.1 72
Show 12137+2118 HU 570 103 3.0 74
Show 12136+2112 UC 2296 335 8.9 74
Show 12046+2232 COU 92 108 1.1 75
Show 12111+2257 COU 94 339 1.3 76
Show 12034+2157 BRT2413 238 3.0 78
Show 12069+2030 HO 255 134 2.7 83
Show 12065+2027 FYM 231 92 5.1 86
Show 12025+2145 HO 535 147 2.9 90
Show 12059+2027 RAO 270 110 0.9 91
Show 12025+2128 TDS8185 247 1.0 92
Show 12137+2252 TDS8277 245 0.5 93
Show 12114+2313 SKF 986 258 19.5 93
Show 12058+2310 COU 93 156 0.9 94
Show 12119+2024 HJ 2601 67 26.7 94
Show 12060+2312 WSI 103 126 0.2 94
Show 12078+2322 LDS4182 AB 80 1.5 95
Show 12078+2322 LDS4182 AC 123 53.1 95
Show 12021+2211 SKF2697 97 1.8 98
Show 12135+2303 WSP 56 113 3.4 99
Show 12033+2045 TDS8195 61 0.2 101
Show 12022+2108 A 2163 169 0.7 102
Show 12015+2127 CBL 368 295 21.9 106
Show 12041+2312 POU3120 195 14.0 108
Show 12023+2047 A 2164 122 1.5 110
Show 12123+2334 DVG 38 170 9.0 117
Show 12174+2203 AZC 73 17 16.7 120
Show 12171+2241 COU 179 6 0.6 125
Show 12007+2051 BDK 5 234 203.7 128
Show 12126+2347 CBL 377 173 27.8 131
Show 12046+1952 SLW 680 337 14.1 131
Show 12186+2148 GRV 854 49 72.1 136
Show 12145+2340 SKF1473 330 84.0 137
Show 12053+1941 ZIE 8 355 0.5 137
Show 12118+2400 LDS6258 AB 261 6.6 139
Show 12118+2400 LDS5749 AC 306 5.1 139
Show 11594+2052 HO 534 138 10.3 144
Show 12051+1933 GIC 103 AB 144 117.3 145
Show 12028+2345 GRV 849 230 28.2 145
Show 12149+1947 COU 178 319 1.2 147
Show 12042+2407 A 682 179 0.2 155
Show 12165+1953 CVR1421 156 3.8 157

 
 
WDS 12089+2147 : COMPONENTS
 
 
  A Ab
Ab pa=202.1°
sep=0.13"
 
B pa=37.2°
sep=15.10"
pa=37.1°
sep=15.23"
 
 
12089+2147 A
 
 
Coord arcsec 2000 120854.66+214719.4 Mag 9.45 Spectral class G2V (yellow) PmRA -387.00
PmDE 38.0 HIP 59233 Tycho2 1444-00419-1 BD BD+22 2442
Tycho2
Tycho2 1444-00419-1 Pflag RAmdeg 182.22775620 DEmdeg 21.78873235
PmRA -397.0 PmDE 36.4 E RAmdeg 11 E DEmdeg 15
E pmRA 0.8 E pmDE 0.8 EpRAm 1988.17 EpDEm 1985.45
Num 16 Q RAmdeg 1.1 Q DEmdeg 1.4 Q pmRA 1.0
Q pmDE 1.4 BTmag 10.282 E BTmag 0.029 VTmag 9.518
E VTmag 0.021 Prox 999 TYC T HIP 59233
CCDM AC RAdeg 182.22873056 DEdeg 21.78864722 EpRA 1990 1.80
EpDE 1990 1.56 E RAdeg 12.1 E DEdeg 16.8 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 59233 Proxy H RAhms 12 08 54.91
DEdms +21 47 19.1 Vmag 9.48 VarFlag R Vmag H
RAdeg 182.229 DEdeg 21.7886 AstroRef * Plx 8.87
CCDM 12089+2147 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AC
Theta 65 Rho 0.269 HD BD BD+22 2442
CD CP Dm number +22 2442 VIred 0.71
SpType G2V R SpType Coord arcsec 2000 120854.91+214719.1
Hipparcos 2
HIP 59233 Sn 55 So 3 Nc 2
RArad 3.1804924468 DErad 0.3802835642 Plx 12.59 PmRA -394.01
PmDE 37.61 E RArad 1.46 E DErad 0.82 E Plx 1.61
E pmRA 2.25 E pmDE 0.9 Hpmag 9.6142 E Hpmag 0.0024
SHp 0.021 VA 0 BV 0.647 E BV 0.005
VI 0.71
CCDM
Ccdm 12089+2147 RComp Comp A Note1
Note2 Discov num DRAs 0.66 DDEs 19.4
R dRAs 82 Year Theta Rho
Obs 4 Vmag 9.7 Sp G0 PmNote
PmRA -392 PmDE 38 Dm number +22 2442 Cat1 BD
Name2 +22 1297 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 12039N2221A
HIC 59233
 
 
12089+2147 Ab
 
 
Coord arcsec 2000 120854.66+214719.3 Mag 11.99 Calc delta mag 2.25 Calc coord yes
 
 
12089+2147 B
 
 
Coord arcsec 2000 120855.32+214731.4 Mag 14.63 PmRA -439.00 PmDE 37.0
Calc delta mag 4.89 Calc coord yes
CCDM
Ccdm 12089+2147 RComp Comp B Note1
Note2 Discov num LDS 930 DRAs 1.86 DDEs 30.8
R dRAs 65 Year 1936 Theta 040 Rho 16.0
Obs 1 Vmag 14.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12039N2221B
HIC