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Doubles in session


Current system
21337-4959
RST 1094
HD 204975


Nearby doubles
12' : 21326-5003
TDT3021

28' : 21364-5007
RST1097

49' : 21342-5048
UC 4498

57' : 21392-4939
RST1101

64' : 21273-5016
BRT1119

65' : 21328-5103
RST1092

66' : 21389-4917
RST1100

67' : 21354-5104
HDS3073

70' : 21323-4851
RST5553

71' : 21325-5109
RST1091

71' : 21286-5051
UC 4475

73' : 21395-4913
TDT3086

79' : 21418-5010
TDT3112

84' : 21250-5004
BRT1118

86' : 21416-4920
SKF1101

87' : 21318-5124
KPP2453

91' : 21349-4830
KPP2102

100' : 21386-5128
HU 1632

102' : 21310-4822
HJ 5273

102' : 21325-4818
BRT1120

110' : 21428-5107
CPO 625

111' : 21449-5028
TDT3134

116' : 21397-4820
I 1445AB

116' : 21449-5042
KPP2577

117' : 21452-4925
TDT3137AB

118' : 21256-4833
CPO9301



Selections
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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.

21337-4959 RST 1094 (HD 204975)

 
 
21h 33m 43.50s -49° 59' 12.1" P.A. 197.00 sep 0.3 mag 11.07,11.16 Sp F7/G0V dist. 153.37 pc (500.29 l.y.)
 
 
Coord 2000 21337-4959 Discov num RST1094 Comp Coord arcsec 2000 21 33 43.50 -49 59 12.1
Date first 1930 Date last 1991 Obs 3
Pa first 215 Pa last 197 P.A. Now (θ) 197°
Sep first 0.4 Sep last 0.31 Sep. Now (ρ) 0.31"
Mag pri 11.07 Mag sec 11.16 delta mag (ΔM) 0.09 Spectral class F7/G0V (yellow-white)
Pri motion ra -016 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204975 Constellation Indus HIP 106459 Tycho2 8431-00809-1
Gaia DR2 6466035227897628800 HD 204975 CD CD-5013399 CP CP-5011572
Distance 153.37 Distance ly 500.29
 
 
WDS 21337-4959 RST 1094 (HD 204975) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21337-4959 RST1094 1991 3 197 0.3 11.07 11.16 F7/G0V D 213343.50-495912.1

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

 
 
WDS 21337-4959 RST 1094 (HD 204975) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21337-4959 RST 1094 (HD 204975) : MEASURES
 
 
No records found.

 
 
WDS 21337-4959 (HD 204975) : VIRTUAL EYEPIECE
 
 

21337-4959 RST1094A mag 11.07 Sp F7/G0V 21337-4959 RST1094B sep 0.3 P.A. 191.10 mag 11.16 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 21337-4959 (HD 204975) : ALADIN DSS IMAGE @ 21h 33m 43.50s -49° 59' 12.1"
 
 
 
 
WDS 21337-4959 RST 1094 (HD 204975) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21337-4959 RST1094 distance=0' 21326-5003 TDT3021 distance=12' 21364-5007 RST1097 distance=28' 21342-5048 UC 4498 distance=49' 21392-4939 RST1101 distance=57' 21273-5016 BRT1119 distance=64' 21328-5103 RST1092 distance=65' 21389-4917 RST1100 distance=66' 21354-5104 HDS3073 distance=67' 21323-4851 RST5553 distance=70' 21325-5109 RST1091 distance=71' 21286-5051 UC 4475 distance=71' 21395-4913 TDT3086 distance=73' 21418-5010 TDT3112 distance=79' 21250-5004 BRT1118 distance=84' 21416-4920 SKF1101 distance=86' 21318-5124 KPP2453 distance=87' 21349-4830 KPP2102 distance=91' 21386-5128 HU 1632 distance=100' 21310-4822 HJ 5273 distance=102' 21325-4818 BRT1120 distance=102' 21428-5107 CPO 625 distance=110' 21449-5028 TDT3134 distance=111' 21397-4820 I 1445AB distance=116' 21397-4820 CPO 624AB,C distance=116' 21449-5042 KPP2577 distance=116' 21452-4925 TDT3137AB distance=117' 21256-4833 CPO9301 distance=118' 21283-5152 HU 1629 distance=124' 21221-5055 TDT2928 distance=125' 21429-4826 RST5556 distance=130' 21231-5122 UC 4464 distance=131' 21473-5011 TDS1145 distance=131' 21394-5159 RST1102AB distance=132' 21254-4814 UC 4467 distance=134' 21415-4808 HDS3088 distance=136' 21474-4924 UC 4564 distance=138' 21221-5121 LDS 739AB distance=138' 21275-4756 RSS 560 distance=138' 21330-4738 HU 1538 distance=142' 21190-5043 HJ 5257 distance=148' 21479-5103 UC 4567 distance=150' 21392-4739 KPP2143 distance=151' 21400-5222 HDS3084 distance=155' 21230-5157 I 132 distance=155' 21387-5228 UC 4518 distance=156' 21395-4733 TDT3085 distance=157' 21188-4901 TDT2897 distance=157' 21487-4901 TDT3166 distance=157' 21484-4851 HU 1541 distance=159' 21173-4940 TDT2887 distance=161' 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 21337-4959 RST1094 197 0.3
Show 21326-5003 TDT3021 326 0.5 12
Show 21364-5007 RST1097 42 0.8 28
Show 21342-5048 UC 4498 299 10.1 49
Show 21392-4939 RST1101 214 0.6 57
Show 21273-5016 BRT1119 159 3.8 64
Show 21328-5103 RST1092 311 0.9 65
Show 21389-4917 RST1100 88 1.1 66
Show 21354-5104 HDS3073 9.5 67
Show 21323-4851 RST5553 2 0.4 70
Show 21325-5109 RST1091 56 0.6 71
Show 21286-5051 UC 4475 272 17.2 71
Show 21395-4913 TDT3086 93 1.3 73
Show 21418-5010 TDT3112 90 0.5 79
Show 21250-5004 BRT1118 312 2.7 84
Show 21416-4920 SKF1101 273 162.4 86
Show 21318-5124 KPP2453 255 21.7 87
Show 21349-4830 KPP2102 356 17.0 91
Show 21386-5128 HU 1632 178 1.6 100
Show 21310-4822 HJ 5273 95 6.9 102
Show 21325-4818 BRT1120 221 4.1 102
Show 21428-5107 CPO 625 98 5.6 110
Show 21449-5028 TDT3134 13 1.1 111
Show 21397-4820 I 1445 AB 108 0.1 116
Show 21397-4820 CPO 624 AB,C 197 7.3 116
Show 21449-5042 KPP2577 359 23.3 116
Show 21452-4925 TDT3137 AB 248 0.4 117
Show 21256-4833 CPO9301 67 4.2 118
Show 21283-5152 HU 1629 248 1.3 124
Show 21221-5055 TDT2928 249 0.6 125
Show 21429-4826 RST5556 290 0.5 130
Show 21231-5122 UC 4464 203 9.4 131
Show 21473-5011 TDS1145 96 1.0 131
Show 21394-5159 RST1102 AB 28 1.5 132
Show 21254-4814 UC 4467 248 9.5 134
Show 21415-4808 HDS3088 111 12.7 136
Show 21474-4924 UC 4564 160 7.9 138
Show 21221-5121 LDS 739 AB 286 44.2 138
Show 21275-4756 RSS 560 19 7.8 138
Show 21330-4738 HU 1538 308 1.5 142
Show 21190-5043 HJ 5257 274 13.6 148
Show 21479-5103 UC 4567 153 29.0 150
Show 21392-4739 KPP2143 36 17.5 151
Show 21400-5222 HDS3084 106 0.0 155
Show 21230-5157 I 132 276 1.2 155
Show 21387-5228 UC 4518 48 50.8 156
Show 21395-4733 TDT3085 51 0.4 157
Show 21188-4901 TDT2897 165 1.9 157
Show 21487-4901 TDT3166 259 0.6 157
Show 21484-4851 HU 1541 96 5.4 159
Show 21173-4940 TDT2887 193 0.5 161

 
 
WDS 21337-4959 : COMPONENTS
 
 
  A
B pa=191.1°
sep=0.30"
 
 
21337-4959 A
 
 
Componente originario normalizzato AB Name HD 204975 Coord arcsec 2000 213343.50-495912.1 Mag 11.07
Spectral class F7/G0V (yellow-white) PmRA -16.00 PmDE 9.0 HIP 106459
Tycho2 8431-00809-1 HD 204975 CD CD-5013399 CP CP-5011572
Tycho2
Tycho2 8431-00809-1 Pflag RAmdeg 323.43120749 DEmdeg -49.98669863
PmRA -4.5 PmDE 10.8 E RAmdeg 24 E DEmdeg 24
E pmRA 1.5 E pmDE 1.4 EpRAm 1983.40 EpDEm 1982.26
Num 6 Q RAmdeg 1.9 Q DEmdeg 1.0 Q pmRA 1.9
Q pmDE 1.1 BTmag 10.864 E BTmag 0.041 VTmag 10.376
E VTmag 0.038 Prox 999 TYC T HIP 106459
CCDM AS RAdeg 323.43123611 DEdeg -49.98672417 EpRA 1990 1.58
EpDE 1990 1.65 E RAdeg 27.7 E DEdeg 28.8 Posflg P
Corr -0.2
Hipparcos
Catalog H HIP 106459 Proxy H RAhms 21 33 43.50
DEdms -49 59 12.1 Vmag 10.26 VarFlag R Vmag H
RAdeg 323.431 DEdeg -49.9867 AstroRef A Plx 7.47
CCDM 21337-4959 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AS
Theta 197 Rho 0.31 HD 204975 BD
CD CD-5013399 CP CP-5011572 Dm number -5013399 VIred 1.26
SpType F8V R SpType Coord arcsec 2000 213343.50-495912.1
Hipparcos 2
HIP 106459 Sn 15 So 3 Nc 2
RArad 5.6449403 DErad -0.8724321712 Plx 6.52 PmRA -5.96
PmDE 9.66 E RArad 1.32 E DErad 1.4 E Plx 1.97
E pmRA 1.66 E pmDE 1.25 Hpmag 10.3582 E Hpmag 0.0047
SHp 0.035 VA 0 BV 0.507 E BV 0.049
VI 0.58
CCDM
Ccdm 21337-4959 RComp Comp A Note1
Note2 Discov num DRAs 1.48 DDEs -12.1
R dRAs 40 Year Theta Rho
Obs 2 Vmag 11.0 Sp F5 PmNote
PmRA PmDE Dm number -5013399 Cat1 CD
Name2 Cat2 HD 204975 M HD
ADS BDS M ADS BDS N IDS IDS 21270S5026A
HIC 106459
 
 
21337-4959 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213343.49-495912.4 Mag 11.16 Calc delta mag 0.09
Calc coord yes
CCDM
Ccdm 21337-4959 RComp Comp B Note1
Note2 Discov num RST1094 DRAs DDEs
R dRAs Year 1930 Theta 032 Rho 0.3
Obs 2 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21270S5026B
HIC 106459