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Doubles in session


Current system
20217-5000
SKF 376


Nearby doubles
34' : 20191-4937
RST1065

49' : 20232-5047
RST1068

52' : 20176-5034
HDS2896

73' : 20142-5007
VSP 55

73' : 20266-4905
BRT1109

74' : 20236-5111
I 1417

78' : 20139-5019
HU 1613

79' : 20238-4845
NSC 29

80' : 20151-5048
RSS 544

83' : 20267-5107
UC 4186

88' : 20270-5111
KPP 584

88' : 20274-5108
RST1070

89' : 20127-5019
HJ 5174

91' : 20124-5014
I 1046

95' : 20315-5012
B 488

95' : 20177-4834
BRT1106

96' : 20291-5105
I 664

100' : 20275-4838
I 663

106' : 20269-5133
SKF1165

107' : 20163-4826
LDS 707

108' : 20327-4949
TSN 34

108' : 20212-5147
HDS2907

114' : 20331-4932
UC 4215

119' : 20291-4826
I 1421

120' : 20095-5026
HU 1612

121' : 20228-4800
UC 4162



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

20217-5000 SKF 376

 
 
20h 21m 41.04s -49° 59' 57.8" P.A. 300.00 sep 21.3 mag 6.30,12.80 Sp F9V+M2.5 dist. 31.02 pc (101.19 l.y.)
 
 
Coord 2000 20217-5000 Discov num SKF 376 Comp Coord arcsec 2000 20 21 41.04 -49 59 57.8
Date first 1975 Date last 2016 Obs 7
Pa first 299 Pa last 300.1 P.A. Now (θ) 300.1°
Sep first 21.6 Sep last 21.255 Sep. Now (ρ) 21.255"
Mag pri 6.30 Mag sec 12.80 delta mag (ΔM) 6.5 Spectral class F9V+M2.5 (yellow-white/red)
Pri motion ra -359 Sec motion ra -364
Pri motion dec -250 Sec motion dec -246
Notes V (Proper motion indicates physical)
rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Telescopium SAO 246546 HIP 100412 Tycho2 8413-01980-1
HD 193307 HR 7766 GC 28291 CD CD-5012929
CP CP-5011341 FK5 3630 Distance 31.02 Distance ly 101.19
 
 
WDS 20217-5000 SKF 376 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
SKF Skiff, B.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20217-5000 SKF 376 1999 1 299 21.3 6.30 12.80 V 202141.04-495957.8
20217-5000 SKF 376 2010 3 300 21.3 6.30 12.80 V 202141.04-495957.8
20217-5000 SKF 376 2015 5 300 21.3 6.30 12.80 F9V+M2.5 -5012929 V 202141.04-495957.8
20217-5000 SKF 376 2016 7 300 21.3 6.30 12.80 F9V+M2.5 -5012929 V 202141.04-495957.8

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

 
 
WDS 20217-5000 SKF 376 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20217-5000 SKF 376 : MEASURES
 
 
No records found.

 
 
WDS 20217-5000 : VIRTUAL EYEPIECE
 
 

20217-5000 SKF 376A mag 6.3 Sp F9V 20217-5000 SKF 376B sep 21.3 P.A. 300.10 mag 12.8 Sp M2.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20217-5000 : ALADIN DSS IMAGE @ 20h 21m 41.04s -49° 59' 57.8"
 
 
 
 
WDS 20217-5000 SKF 376 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20217-5000 SKF 376 distance=0' 20191-4937 RST1065 distance=34' 20232-5047 RST1068 distance=49' 20176-5034 HDS2896 distance=52' 20142-5007 VSP 55 distance=73' 20266-4905 BRT1109 distance=73' 20236-5111 I 1417 distance=74' 20139-5019 HU 1613 distance=78' 20238-4845 NSC 29 distance=79' 20151-5048 RSS 544 distance=80' 20267-5107 UC 4186 distance=83' 20270-5111 KPP 584 distance=88' 20274-5108 RST1070 distance=88' 20127-5019 HJ 5174 distance=89' 20124-5014 I 1046 distance=91' 20315-5012 B 488 distance=95' 20177-4834 BRT1106 distance=95' 20291-5105 I 664 distance=96' 20275-4838 I 663 distance=100' 20269-5133 SKF1165 distance=106' 20163-4826 LDS 707 distance=107' 20327-4949 TSN 34 distance=108' 20212-5147 HDS2907 distance=108' 20331-4932 UC 4215 distance=114' 20291-4826 I 1421 distance=119' 20095-5026 HU 1612 distance=120' 20228-4800 UC 4162 distance=121' 20096-5038 RST1062 distance=121' 20093-5029 RST1061 distance=123' 20100-4914 KPP1803 distance=123' 20192-4757 RST1066 distance=126' 20266-4758 I 1419BC distance=132' 20266-4758 I 1419AB distance=132' 20139-4812 TDT2107 distance=133' 20354-5014 LDS 714AC distance=133' 20354-5014 WOR9002AB distance=133' 20174-4750 UC 4139 distance=137' 20091-4856 RST1060 distance=139' 20351-5109 HDS2941 distance=146' 20238-4736 FIN 278 distance=146' 20071-5055 BRT1104 distance=150' 20261-4734 I 1086 distance=153' 20109-4806 UC 4114 distance=156' 20165-5233 HU 1614 distance=161' 20343-4816 I 1423AB distance=161' 20343-4816 TOI2244AC distance=161' 20135-5222 B 2884 distance=162' 20073-5127 RST1059 distance=162' 20053-5043 UC 4079 distance=163' 20164-5236 UC 4132 distance=165' 20248-4719 HDS2920 distance=165' 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 20217-5000 SKF 376 300 21.3 0
Show 20191-4937 RST1065 69 1.3 34
Show 20232-5047 RST1068 203 0.3 49
Show 20176-5034 HDS2896 70 12.8 52
Show 20142-5007 VSP 55 96 0.1 73
Show 20266-4905 BRT1109 108 5.4 73
Show 20236-5111 I 1417 312 0.8 74
Show 20139-5019 HU 1613 142 0.7 78
Show 20238-4845 NSC 29 225 11.4 79
Show 20151-5048 RSS 544 167 17.6 80
Show 20267-5107 UC 4186 345 9.2 83
Show 20270-5111 KPP 584 85 5.4 88
Show 20274-5108 RST1070 287 1.2 88
Show 20127-5019 HJ 5174 266 18.8 89
Show 20124-5014 I 1046 51 1.2 91
Show 20315-5012 B 488 78 1.7 95
Show 20177-4834 BRT1106 73 4.5 95
Show 20291-5105 I 664 281 1.5 96
Show 20275-4838 I 663 71 0.8 100
Show 20269-5133 SKF1165 222 20.3 106
Show 20163-4826 LDS 707 25 18.3 107
Show 20327-4949 TSN 34 213 8.7 108
Show 20212-5147 HDS2907 48 0.3 108
Show 20331-4932 UC 4215 113 41.9 114
Show 20291-4826 I 1421 341 0.4 119
Show 20095-5026 HU 1612 63 1.0 120
Show 20228-4800 UC 4162 127 41.6 121
Show 20096-5038 RST1062 351 0.4 121
Show 20093-5029 RST1061 282 1.2 123
Show 20100-4914 KPP1803 353 14.0 123
Show 20192-4757 RST1066 184 0.5 126
Show 20266-4758 I 1419 BC 342 3.4 132
Show 20266-4758 I 1419 AB 129 55.1 132
Show 20139-4812 TDT2107 242 0.6 133
Show 20354-5014 LDS 714 AC 238 100.3 133
Show 20354-5014 WOR9002 AB 273 1.1 133
Show 20174-4750 UC 4139 4 30.2 137
Show 20091-4856 RST1060 151 0.2 139
Show 20351-5109 HDS2941 268 5.1 146
Show 20238-4736 FIN 278 202 3.9 146
Show 20071-5055 BRT1104 219 3.7 150
Show 20261-4734 I 1086 23 2.2 153
Show 20109-4806 UC 4114 8 13.9 156
Show 20165-5233 HU 1614 64 1.3 161
Show 20343-4816 I 1423 AB 50 1.5 161
Show 20343-4816 TOI2244 AC 307 20.3 161
Show 20135-5222 B 2884 334 8.1 162
Show 20073-5127 RST1059 247 0.1 162
Show 20053-5043 UC 4079 78 11.2 163
Show 20164-5236 UC 4132 173 13.8 165
Show 20248-4719 HDS2920 227 0.2 165

 
 
WDS 20217-5000 : COMPONENTS
 
 
  A
B pa=300.1°
sep=21.26"
 
 
20217-5000 A
 
 
Coord arcsec 2000 202141.04-495957.8 Mag 6.3 Spectral class F9V (yellow-white) PmRA -359.00
PmDE -250.0 SAO 246546 HIP 100412 Tycho2 8413-01980-1
HD 193307 HR 7766 GC 28291 CD CD-5012929
CP CP-5011341 FK5 3630
Tycho2
Tycho2 8413-01980-1 Pflag RAmdeg 305.42098180 DEmdeg -49.99941303
PmRA -359.5 PmDE -249.5 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.25 EpDEm 1990.90
Num 17 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.8 BTmag 6.910 E BTmag 0.015 VTmag 6.319
E VTmag 0.010 Prox 999 TYC T HIP 100412
CCDM RAdeg 305.42226972 DEdeg -49.99881917 EpRA 1990 1.71
EpDE 1990 1.43 E RAdeg 3.7 E DEdeg 4.2 Posflg
Corr 0.0
SAO
SAO 246546 DelFlag RA1950 PmRA1950 -0.0369
DE1950 PmDE1950 -0.251 Vmag 6.4 SpType F8
Double code Source 70 CatNum 28291 DM CD-5012929
DMcomp BDsup HD 193307 M HD 0
GC 28291 RA1950rad 5.31479385 DE1950rad -0.87538098 PmRA2000 -0.0368
PmDE2000 -0.257
Hipparcos
Catalog H HIP 100412 Proxy RAhms 20 21 41.36
DEdms -49 59 55.7 Vmag 6.26 VarFlag R Vmag H
RAdeg 305.422 DEdeg -49.9988 AstroRef Plx 30.84
CCDM -359.84 - N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD
CD CD-5012929 CP CP-5011341 Dm number -5012929 VIred 0.66
SpType G2IV-V R SpType Coord arcsec 2000 202141.36-495955.7
Hipparcos 2
HIP 100412 Sn 5 So 0 Nc 1
RArad 5.3306254045 DErad -0.8726438154 Plx 32.24 PmRA -360.16
PmDE -250.65 E RArad 0.44 E DErad 0.27 E Plx 0.47
E pmRA 0.74 E pmDE 0.48 Hpmag E Hpmag 0.0011
SHp 0.007 VA 0 BV 0.549 E BV 0.008
VI 0.66
 
 
20217-5000 B
 
 
Coord arcsec 2000 202139.13-495947.1 Mag 12.8 Spectral class M2.5 (red) PmRA -364.00
PmDE -246.0 Delta magnitude 6.5 Coordinate calculated yes