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Doubles in session


Current system
21597-2959
COO 247
HD 208870


Nearby doubles
22' : 21585-2944
LSC 100

37' : 21576-2935
UC 4613

40' : 22000-3039
BUG 6

52' : 22005-2909
TOI2307

56' : 21595-2903
HJ 5311AB

58' : 22018-2907
RST1117

72' : 21593-3110
BRT3104

74' : 21575-3105
PRO 234

74' : 21553-3045
HJ 5304

75' : 21560-3055
HJ 5307AB

76' : 22053-3022
I 677

88' : 22064-3006
UC 4649

93' : 22008-2827
BU 276

94' : 21567-3123
B 1014

96' : 22069-2937
LSC 101

102' : 22011-2819
RST4702

103' : 22008-2818
RST1116

103' : 22018-2820
SKF2101

104' : 22075-3026
LDS4944

107' : 21528-2903
UC 4587

109' : 21538-3114
LDS5934

114' : 21511-2938
LDS5929AB

115' : 21581-3150
LDS5939

117' : 21528-3112
LDS5932

120' : 21530-3119
RST2188

125' : 21551-3148
I 1449



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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21597-2959 COO 247 (HD 208870)

 
 
21h 59m 43.78s -29° 58' 55.0" P.A. 264.00 sep 2.6 mag 9.39,10.31 Sp F8/G0V dist. 158.48 pc (516.96 l.y.)
 
 
Coord 2000 21597-2959 Discov num COO 247 Comp Coord arcsec 2000 21 59 43.78 -29 58 55.0
Date first 1901 Date last 2016 Obs 22
Pa first 259 Pa last 263.8 P.A. Now (θ) 263.8°
Sep first 3.1 Sep last 2.564 Sep. Now (ρ) 2.564"
Mag pri 9.39 Mag sec 10.31 delta mag (ΔM) 0.92 Spectral class F8/G0V (yellow-white)
Pri motion ra -002 Sec motion ra -026
Pri motion dec -008 Sec motion dec -012
Notes
rPM=0.85
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 208870 Constellation Piscis Austrinus SAO 213460 HIP 108579
Tycho2 6960-01709-1 Gaia DR2 6616691719886829696 HD 208870 CD CD-3018956
CP CP-30 6593 Distance 158.48 Distance ly 516.96
 
 
WDS 21597-2959 COO 247 (HD 208870) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
CoO1927A T - Cordoba Obs. 1927sdsc.book......
CoO1927A cited in SDS (Southern Double Star Catalog), 1927
CoO9999 T - Cordoba Obs. ...................
CoO9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21597-2959 COO 247 1991 18 263 2.6 9.39 10.31 F8/G0V D 215943.78-295855.0
21597-2959 COO 247 1999 19 262 2.6 9.39 10.31 F8/G0V D 215943.78-295855.0
21597-2959 COO 247 2015 20 264 2.6 9.39 10.31 F8/G0V 215943.78-295855.0
21597-2959 COO 247 2016 22 264 2.6 9.39 10.31 F8/G0V 215943.78-295855.0

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

 
 
WDS 21597-2959 COO 247 (HD 208870) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21597-2959 COO 247 (HD 208870) : MEASURES
 
 
No records found.

 
 
WDS 21597-2959 (HD 208870) : VIRTUAL EYEPIECE
 
 

21597-2959 COO 247A mag 9.39 Sp F8/G0V 21597-2959 COO 247B sep 2.2 P.A. 262.90 mag 10.31 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21597-2959 (HD 208870) : ALADIN DSS IMAGE @ 21h 59m 43.78s -29° 58' 55.0"
 
 
 
 
WDS 21597-2959 COO 247 (HD 208870) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21597-2959 COO 247 distance=0' 21585-2944 LSC 100 distance=22' 21576-2935 UC 4613 distance=37' 22000-3039 BUG 6 distance=40' 22005-2909 TOI2307 distance=52' 21595-2903 HJ 5311AB distance=56' 21595-2903 HJ 5311AC distance=56' 22018-2907 RST1117 distance=58' 21593-3110 BRT3104 distance=72' 21575-3105 PRO 234 distance=74' 21553-3045 HJ 5304 distance=74' 21560-3055 HJ 5307AB distance=75' 21560-3055 HJ 5307BC distance=75' 22053-3022 I 677 distance=76' 22064-3006 UC 4649 distance=88' 22008-2827 BU 276 distance=93' 21567-3123 B 1014 distance=94' 22069-2937 LSC 101 distance=96' 22011-2819 RST4702 distance=102' 22008-2818 RST1116 distance=103' 22018-2820 SKF2101 distance=103' 22075-3026 LDS4944 distance=104' 21528-2903 UC 4587 distance=107' 21538-3114 LDS5934 distance=109' 21511-2938 LDS5929AB distance=114' 21511-2938 LDS5929Aa,Ab distance=114' 21581-3150 LDS5939 distance=115' 21528-3112 LDS5932 distance=117' 21530-3119 RST2188 distance=120' 21551-3148 I 1449 distance=125' 21583-2754 DAM1265 distance=127' 21514-2853 LDS5930 distance=127' 21583-3207 RST2190 distance=130' 22032-2754 UC 4635 distance=134' 21577-2747 HJ 3068 distance=135' 22105-3006 MNK 4 distance=140' 21596-2738 STN 56 distance=142' 22009-2735 UC 4629 distance=145' 21589-3227 LDS4929 distance=150' 22109-3045 WSP 124 distance=152' 22104-3105 KPP1489 distance=153' 21481-3023 RST2187 distance=153' 22077-2804 HWE 60 distance=156' 21509-3151 LDS4915 distance=161' 21477-3054 FIN 330AB distance=165' 21477-3054 HJ 5296AB,C distance=165' 21563-2717 TDT3249Aa,Ab distance=168' 21563-2717 SEE 461AB distance=168' 22029-3243 KPP3096 distance=169' 21508-2756 HJ 3059 distance=171' 22039-3244 RST2191 distance=174' 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 21597-2959 COO 247 264 2.6
Show 21585-2944 LSC 100 172 0.1 22
Show 21576-2935 UC 4613 314 16.5 37
Show 22000-3039 BUG 6 5 1.0 40
Show 22005-2909 TOI2307 206 2.9 52
Show 21595-2903 HJ 5311 AB 291 39.8 56
Show 21595-2903 HJ 5311 AC 223 43.1 56
Show 22018-2907 RST1117 123 0.3 58
Show 21593-3110 BRT3104 226 3.4 72
Show 21575-3105 PRO 234 66 3.3 74
Show 21553-3045 HJ 5304 255 9.2 74
Show 21560-3055 HJ 5307 AB 160 32.6 75
Show 21560-3055 HJ 5307 BC 161 26.2 75
Show 22053-3022 I 677 273 5.5 76
Show 22064-3006 UC 4649 353 13.0 88
Show 22008-2827 BU 276 113 1.9 93
Show 21567-3123 B 1014 139 2.6 94
Show 22069-2937 LSC 101 148 0.0 96
Show 22011-2819 RST4702 29 0.4 102
Show 22008-2818 RST1116 176 0.3 103
Show 22018-2820 SKF2101 128 118.5 103
Show 22075-3026 LDS4944 33 24.4 104
Show 21528-2903 UC 4587 187 10.5 107
Show 21538-3114 LDS5934 69 70.2 109
Show 21511-2938 LDS5929 AB 128 54.7 114
Show 21511-2938 LDS5929 Aa,Ab 326 1.1 114
Show 21581-3150 LDS5939 291 265.4 115
Show 21528-3112 LDS5932 173 167.0 117
Show 21530-3119 RST2188 1 1.8 120
Show 21551-3148 I 1449 268 0.3 125
Show 21583-2754 DAM1265 94 7.6 127
Show 21514-2853 LDS5930 128 257.8 127
Show 21583-3207 RST2190 293 1.0 130
Show 22032-2754 UC 4635 195 32.5 134
Show 21577-2747 HJ 3068 284 13.3 135
Show 22105-3006 MNK 4 299 3.4 140
Show 21596-2738 STN 56 36 11.3 142
Show 22009-2735 UC 4629 285 42.4 145
Show 21589-3227 LDS4929 353 113.1 150
Show 22109-3045 WSP 124 346 19.1 152
Show 22104-3105 KPP1489 166 11.2 153
Show 21481-3023 RST2187 107 2.0 153
Show 22077-2804 HWE 60 143 3.3 156
Show 21509-3151 LDS4915 126 3.1 161
Show 21477-3054 FIN 330 AB 347 0.1 165
Show 21477-3054 HJ 5296 AB,C 343 32.1 165
Show 21563-2717 TDT3249 Aa,Ab 33 0.4 168
Show 21563-2717 SEE 461 AB 62 4.0 168
Show 22029-3243 KPP3096 329 4.3 169
Show 21508-2756 HJ 3059 252 25.4 171
Show 22039-3244 RST2191 307 1.2 174

 
 
WDS 21597-2959 : COMPONENTS
 
 
  A
B pa=262.9°
sep=2.23"
 
 
21597-2959 A
 
 
Componente originario normalizzato AB Name HD 208870 Coord arcsec 2000 215943.78-295855.0 Mag 9.39
Spectral class F8/G0V (yellow-white) PmRA -2.00 PmDE -8.0 SAO 213460
HIP 108579 Tycho2 6960-01709-1 HD 208870 CD CD-3018956
CP CP-30 6593
Tycho2
Tycho2 6960-01709-1 Pflag P RAmdeg 329.93242380 DEmdeg -29.98193129
PmRA -26.1 PmDE -11.7 E RAmdeg 12 E DEmdeg 15
E pmRA 3.1 E pmDE 2.9 EpRAm 1991.50 EpDEm 1991.03
Num 3 Q RAmdeg 0.6 Q DEmdeg 1.3 Q pmRA 0.5
Q pmDE 1.2 BTmag 9.999 E BTmag 0.025 VTmag 9.385
E VTmag 0.020 Prox 26 TYC T HIP 108579
CCDM A RAdeg 329.93265194 DEdeg -29.98188556 EpRA 1990 1.69
EpDE 1990 1.38 E RAdeg 11.6 E DEdeg 14.6 Posflg D
Corr -0.2
SAO
SAO 213460 DelFlag RA1950 PmRA1950 -0.0037
DE1950 PmDE1950 -0.045 Vmag 8.9 SpType G0
Double code Source 40 CatNum 11962 DM CD-3018956
DMcomp BDsup HD 208870 M HD 0
GC RA1950rad 5.74579932 DE1950rad -0.52747197 PmRA2000 -0.0037
PmDE2000 -0.049
Hipparcos
Catalog H HIP 108579 Proxy H RAhms 21 59 43.84
DEdms -29 58 54.8 Vmag 8.92 VarFlag R Vmag H
RAdeg 329.933 DEdeg -29.9819 AstroRef A Plx 5.44
CCDM 21597-2959 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 262 Rho 2.608 HD 208870 BD
CD CD-3018956 CP CP-30 6593 Dm number -3018956 VIred 0.67
SpType F8/G0V R SpType Coord arcsec 2000 215943.84-295854.8
Hipparcos 2
HIP 108579 Sn 15 So 3 Nc 2
RArad 5.7584111751 DErad -0.5232826357 Plx 6.31 PmRA -31.32
PmDE -12.92 E RArad 1.17 E DErad 0.8 E Plx 1.19
E pmRA 1.58 E pmDE 0.76 Hpmag 9.0309 E Hpmag 0.0019
SHp 0.017 VA 0 BV 0.501 E BV 0.026
VI 0.57
CCDM
Ccdm 21597-2959 RComp Comp A Note1
Note2 Discov num DRAs 1.76 DDEs 5.0
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.4 Sp G0 PmNote *
PmRA -48 PmDE -45 Dm number -3018956 Cat1 CD
Name2 213460 Cat2 SAO HD 208870 M HD
ADS BDS B11400 M ADS BDS N IDS IDS 21539S3028A
HIC 108579
 
 
21597-2959 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215943.61-295855.3 Mag 10.31 PmRA -26.00
PmDE -12.0 Tycho2 6960-01709-2 Calc delta mag 0.92 Calc coord yes
Tycho2
Tycho2 6960-01709-2 Pflag P RAmdeg 329.93242380 DEmdeg -29.98193129
PmRA -26.1 PmDE -11.7 E RAmdeg 12 E DEmdeg 15
E pmRA 3.1 E pmDE 2.9 EpRAm 1991.50 EpDEm 1991.03
Num 3 Q RAmdeg 0.6 Q DEmdeg 1.3 Q pmRA 0.5
Q pmDE 1.2 BTmag 11.040 E BTmag 0.051 VTmag 10.311
E VTmag 0.040 Prox 26 TYC T HIP 108579
CCDM B RAdeg 329.93182833 DEdeg -29.98197778 EpRA 1990 1.69
EpDE 1990 1.36 E RAdeg 24.8 E DEdeg 32.0 Posflg D
Corr -0.2
CCDM
Ccdm 21597-2959 RComp Comp B Note1
Note2 Discov num COO 247 DRAs DDEs
R dRAs Year 1901 Theta 259 Rho 2.6
Obs 9 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B11400 M ADS BDS N IDS IDS 21539S3028B
HIC 108579