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Doubles in session


Current system
00258+1025
HDS 57
HD 2157


Nearby doubles
23' : 00253+1047
SHN 50

32' : 00251+1055
KPP4414

32' : 00271+1051
PLQ 6

41' : 00240+0955
A 1805

48' : 00229+1007
DVG 10

51' : 00236+0947
KUI 3

55' : 00244+1115
UC 359

57' : 00277+0936
GIC 9

57' : 00222+1007
DVG 9

59' : 00287+1106
KPP1086

73' : 00222+1114
HEI 301

73' : 00291+1119
A 805AB

76' : 00283+1131
BPM 13AB

79' : 00304+1105
KPP3132

80' : 00209+1059
BU 1093

83' : 00310+0957
CVR 326

97' : 00298+1142
KPP 56

99' : 00290+1152
CVR 324

102' : 00246+1205
CVR 318

102' : 00204+0921
HEI 422

108' : 00324+1113
CVR 329

113' : 00218+0849
CVR 11

126' : 00183+0927
UC 349

126' : 00174+1002
A 1804

128' : 00236+1229
J 583

128' : 00180+0931
AG 1



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.

00258+1025 HDS 57 (HD 2157)

 
 
00h 25m 49.78s +10° 25' 24.1" P.A. 340.00 sep 0.1 mag 9.71,10.71 Sp G0 dist. 110.13 pc (359.24 l.y.)
 
 
Coord 2000 00258+1025 Discov num HDS  57 Comp Coord arcsec 2000 00 25 49.78 +10 25 24.1
Date first 1991 Date last 2021 Obs 14
Pa first 157 Pa last 339.9 P.A. Now (θ) 339.9°
Sep first 0.2 Sep last 0.056 Sep. Now (ρ) 0.056"
Mag pri 9.71 Mag sec 10.71 delta mag (ΔM) 1 Spectral class G0 (yellow)
Pri motion ra +066 Sec motion ra
Pri motion dec +049 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 2157 Constellation Pisces SAO 91889 HIP 2035
Tycho2 0599-00603-1 Gaia DR2 2754101912605043584 HD 2157 BD BD+09 41
Distance 110.13 Distance ly 359.24
 
 
ORBITAL ELEMENTS
 
 
Period (P)96.7y Periastron (T)2019.26y Semi-major axis (a)0.179a
Eccentricity (e)0.527 Inclination (i)131.8° Longitude of periastron (ω)47.4°
Node (Ω)52.9° Notes ReferenceTok2021c
Equinox2000 Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 133.3 0.133
2001 129.4 0.130
2002 125.3 0.127
2003 121.0 0.125
2004 116.6 0.123
2005 112.1 0.121
2006 107.4 0.119
2007 102.5 0.117
2008 97.6 0.116
2009 92.5 0.114
2010 87.2 0.113
2011 81.8 0.111
2012 76.2 0.109
2013 70.3 0.106
2014 64.1 0.103
2015 57.4 0.098
2016 50.0 0.093
2017 41.7 0.087
2018 32.0 0.080
2019 20.4 0.073
2020 6.2 0.066
2021 349.5 0.062
2022 331.4 0.061
2023 314.0 0.064
2024 299.1 0.071
2025 287.2 0.080
2026 277.8 0.090
2027 270.4 0.101
2028 264.4 0.112
2029 259.4 0.122
2030 255.3 0.132


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


 
  


wds00258%2B1025a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 00258+1025 HDS 57 (HD 2157) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021c orb - Tokovinin, A. 2021IAUDS.203....1S
Tok2021c Inf. Circ. 203, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (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
00258+1025 HDS 57 1991 1 157 0.2 9.71 10.71 G0 002549.78+102524.1
00258+1025 HDS 57 2007 3 99 0.1 9.71 10.71 G0 D 002549.78+102524.1
00258+1025 HDS 57 2008 4 95 0.1 9.71 10.71 G0 D 002549.78+102524.1
00258+1025 HDS 57 2015 5 52 0.1 9.71 10.71 G0 002549.78+102524.1
00258+1025 HDS 57 2017 10 37 0.1 9.71 10.71 G0 002549.78+102524.1
00258+1025 HDS 57 2018 11 21 0.1 9.71 10.71 G0 O 002549.78+102524.1
00258+1025 HDS 57 2019 12 14 0.1 9.71 10.71 G0 O 002549.78+102524.1
00258+1025 HDS 57 2020 13 353 0.1 9.71 10.71 G0 O 002549.78+102524.1
00258+1025 HDS 57 2021 14 340 0.1 9.71 10.71 G0 O 002549.78+102524.1

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

 
 
WDS 00258+1025 HDS 57 (HD 2157) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00258+1025 HDS 57 (HD 2157) : MEASURES
 
 
No records found.

 
 
WDS 00258+1025 (HD 2157) : VIRTUAL EYEPIECE
 
 

00258+1025 HDS 57A mag 9.71 Sp G0 00258+1025 HDS 57B sep 0.1 P.A. 340.20 mag 10.71 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 00258+1025 (HD 2157) : ALADIN DSS IMAGE @ 00h 25m 49.78s +10° 25' 24.1"
 
 
 
 
WDS 00258+1025 HDS 57 (HD 2157) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00258+1025 HDS 57 distance=0' 00253+1047 SHN 50 distance=23' 00251+1055 KPP4414 distance=32' 00271+1051 PLQ 6 distance=32' 00240+0955 A 1805 distance=41' 00229+1007 DVG 10 distance=48' 00236+0947 KUI 3 distance=51' 00244+1115 UC 359 distance=55' 00277+0936 GIC 9 distance=57' 00222+1007 DVG 9 distance=57' 00287+1106 KPP1086 distance=59' 00222+1114 HEI 301 distance=73' 00291+1119 A 805AB distance=73' 00283+1131 BPM 13AB distance=76' 00304+1105 KPP3132 distance=79' 00209+1059 BU 1093 distance=80' 00310+0957 CVR 326 distance=83' 00298+1142 KPP 56 distance=97' 00290+1152 CVR 324 distance=99' 00246+1205 CVR 318 distance=102' 00204+0921 HEI 422 distance=102' 00324+1113 CVR 329 distance=108' 00218+0849 CVR 11 distance=113' 00183+0927 UC 349 distance=126' 00174+1002 A 1804 distance=126' 00236+1229 J 583 distance=128' 00180+0931 AG 1 distance=128' 00185+0911 CVR 313 distance=132' 00232+1233 NSN 505 distance=134' 00316+1209 CVR 12 distance=135' 00208+1219 UC 353 distance=136' 00231+0816 HDO 15 distance=136' 00318+0844 J 3280 distance=137' 00206+1219 BU 1015 distance=137' 00331+0855 OCC 271 distance=141' 00330+0850 J 2710 distance=144' 00313+0823 SLW 26 distance=148' 00360+1040 GWP 67 distance=151' 00182+1209 GWP 38 distance=153' 00192+0827 GWP 39 distance=155' 00174+0853 A 1803AB distance=156' 00174+0853 POP 229AB,E distance=156' 00174+0853 STF 22AB,C distance=156' 00174+0853 STF 22AB,D distance=156' 00214+0802 HDO 14 distance=158' 00248+0747 GRV 21 distance=159' 00268+0743 HDO 19 distance=164' 00272+0743 TDS1469 distance=164' 00153+0936 GWP 30 distance=164' 00168+1202 HEI 300 distance=164' 00257+0741 OCC 228 distance=164' 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 00258+1025 HDS 57 340 0.1
Show 00253+1047 SHN 50 -1 0.2 23
Show 00251+1055 KPP4414 26 2.9 32
Show 00271+1051 PLQ 6 298 7.0 32
Show 00240+0955 A 1805 316 4.7 41
Show 00229+1007 DVG 10 16 13.5 48
Show 00236+0947 KUI 3 136 3.6 51
Show 00244+1115 UC 359 151 9.2 55
Show 00277+0936 GIC 9 215 15.0 57
Show 00222+1007 DVG 9 332 9.9 57
Show 00287+1106 KPP1086 159 8.6 59
Show 00222+1114 HEI 301 280 1.7 73
Show 00291+1119 A 805 AB 308 4.4 73
Show 00283+1131 BPM 13 AB 75 48.7 76
Show 00304+1105 KPP3132 251 3.7 79
Show 00209+1059 BU 1093 119 0.8 80
Show 00310+0957 CVR 326 218 21.0 83
Show 00298+1142 KPP 56 213 5.0 97
Show 00290+1152 CVR 324 153 23.0 99
Show 00246+1205 CVR 318 101 7.5 102
Show 00204+0921 HEI 422 216 2.1 102
Show 00324+1113 CVR 329 187 17.1 108
Show 00218+0849 CVR 11 293 19.6 113
Show 00183+0927 UC 349 46 9.0 126
Show 00174+1002 A 1804 27 1.2 126
Show 00236+1229 J 583 251 3.6 128
Show 00180+0931 AG 1 210 11.8 128
Show 00185+0911 CVR 313 65 9.4 132
Show 00232+1233 NSN 505 2 1.2 134
Show 00316+1209 CVR 12 97 83.9 135
Show 00208+1219 UC 353 249 74.3 136
Show 00231+0816 HDO 15 270 23.6 136
Show 00318+0844 J 3280 149 4.9 137
Show 00206+1219 BU 1015 110 0.5 137
Show 00331+0855 OCC 271 -1 0.0 141
Show 00330+0850 J 2710 114 6.8 144
Show 00313+0823 SLW 26 17.1 148
Show 00360+1040 GWP 67 51 14.0 151
Show 00182+1209 GWP 38 39 7.2 153
Show 00192+0827 GWP 39 216 52.3 155
Show 00174+0853 A 1803 AB 307 0.2 156
Show 00174+0853 POP 229 AB,E 239 75.3 156
Show 00174+0853 STF 22 AB,C 234 3.9 156
Show 00174+0853 STF 22 AB,D 151 66.8 156
Show 00214+0802 HDO 14 161 52.3 158
Show 00248+0747 GRV 21 47 51.9 159
Show 00268+0743 HDO 19 332 33.4 164
Show 00272+0743 TDS1469 232 0.5 164
Show 00153+0936 GWP 30 30 103.6 164
Show 00168+1202 HEI 300 177 1.5 164
Show 00257+0741 OCC 228 -1 0.1 164

 
 
WDS 00258+1025 : COMPONENTS
 
 
  A
B pa=340.2°
sep=0.06"
 
 
00258+1025 A
 
 
Componente originario normalizzato AB Name HD 2157 Coord arcsec 2000 002549.78+102524.1 Mag 9.71
Spectral class G0 (yellow) PmRA 66.00 PmDE 49.0 SAO 91889
HIP 2035 Tycho2 0599-00603-1 HD 2157 BD BD+09 41
Tycho2
Tycho2 0599-00603-1 Pflag RAmdeg 6.45758913 DEmdeg 10.42349343
PmRA 62.7 PmDE 52.8 E RAmdeg 11 E DEmdeg 15
E pmRA 1.6 E pmDE 1.6 EpRAm 1990.50 EpDEm 1989.04
Num 9 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 9.941 E BTmag 0.027 VTmag 9.274
E VTmag 0.021 Prox 999 TYC T HIP 2035
CCDM AB RAdeg 6.45744444 DEdeg 10.42337139 EpRA 1990 1.78
EpDE 1990 1.60 E RAdeg 11.0 E DEdeg 15.9 Posflg P
Corr -0.1
SAO
SAO 91889 DelFlag RA1950 PmRA1950 0.0059
DE1950 PmDE1950 0.07 Vmag 8.6 SpType G0
Double code Source 33 CatNum 121 DM BD+09 41
DMcomp BDsup HD 2157 M HD 0
GC RA1950rad 0.10141866 DE1950rad 0.17708333 PmRA2000 0.006
PmDE2000 0.064
Hipparcos
Catalog H HIP 2035 Proxy H RAhms 00 25 49.78
DEdms +10 25 24.1 Vmag 9.21 VarFlag R Vmag H
RAdeg 6.45743 DEdeg 10.4234 AstroRef * Plx 8.14
CCDM 00258+1025 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 157 Rho 0.152 HD 2157 BD BD+09 41
CD CP Dm number +09 41 VIred 0.66
SpType G0 R SpType Coord arcsec 2000 002549.78+102524.1
Hipparcos 2
HIP 2035 Sn 55 So 3 Nc 2
RArad 0.1127034838 DErad 0.1819220163 Plx 9.08 PmRA 66.03
PmDE 48.55 E RArad 0.95 E DErad 0.69 E Plx 1.07
E pmRA 1.17 E pmDE 0.84 Hpmag 9.3465 E Hpmag 0.0022
SHp 0.015 VA 0 BV 0.644 E BV 0.03
VI 0.71
CCDM
Ccdm 00258+1025 RComp Comp A Note1
Note2 Discov num DRAs 1.82 DDEs 24.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.7 Sp G0 PmNote *
PmRA 66 PmDE 49 Dm number +09 41 Cat1 BD
Name2 +10 46 Cat2 AGK2/3 HD 2157 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 2035
 
 
00258+1025 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 002549.78+102524.2 Mag 10.71 Calc delta mag 1
Calc coord yes
CCDM
Ccdm 00258+1025 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.83 DDEs 24.4
R dRAs 82 Year 1991 Theta 157 Rho 0.2
Obs 1 Vmag 10.7 Sp PmNote *
PmRA 66 PmDE 49 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 2035