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Doubles in session


Current system
21054-0744
RST 4691
HD 200728


Nearby doubles
19' : 21065-0753
TDT2752

33' : 21042-0811
TDT2725

40' : 21074-0810
HDS3010

42' : 21079-0725
KPP2183

43' : 21074-0814
BU 368AB

55' : 21078-0826
RST4074

65' : 21092-0814
JNN 128

78' : 21071-0858
J 1782

78' : 21008-0821
BU 678AB

79' : 21008-0704
UC 4361

80' : 21011-0657
WAA 49

85' : 21027-0629
UC 4364

86' : 21100-0658
GRV1140

89' : 21042-0911
AOT 102

90' : 21077-0621
BRT 513

90' : 20595-0804
RST3275

95' : 21103-0845
UC 4397

96' : 21106-0837
HJ 930

96' : 20593-0812
AHD 31

97' : 21005-0642
CVR 881

97' : 20599-0653
UC 4355

98' : 21119-0757
TDT2815

100' : 21032-0610
RST4689

101' : 21115-0832
J 2340

101' : 21082-0916
UC 4387

103' : 21100-0642
GRV1141



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

21054-0744 RST 4691 (HD 200728)

 
 
21h 05m 23.26s -07° 43' 51.1" P.A. 71.00 sep 0.5 mag 10.20,11.90 Sp K0
 
 
Coord 2000 21054-0744 Discov num RST4691 Comp Coord arcsec 2000 21 05 23.26 -07 43 51.1
Date first 1939 Date last 2011 Obs 4
Pa first 64 Pa last 70.7 P.A. Now (θ) 70.7°
Sep first 0.3 Sep last 0.479 Sep. Now (ρ) 0.479"
Mag pri 10.20 Mag sec 11.90 delta mag (ΔM) 1.7 Spectral class K0 (yellow-orange)
Pri motion ra -003 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 200728 Constellation Aquarius Tycho2 5771-00357-1 Gaia DR2 6909191499687271808
HD 200728
 
 
WDS 21054-0744 RST 4691 (HD 200728) : 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
21054-0744 RST4691 1950 3 68 0.3 10.20 11.90 K0 210523.26-074351.1
21054-0744 RST4691 2011 4 71 0.5 10.20 11.90 K0 210523.26-074351.1

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

 
 
WDS 21054-0744 RST 4691 (HD 200728) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21054-0744 RST 4691 (HD 200728) : MEASURES
 
 
No records found.

 
 
WDS 21054-0744 (HD 200728) : VIRTUAL EYEPIECE
 
 

21054-0744 RST4691A mag 10.2 Sp K0 21054-0744 RST4691B sep 0.5 P.A. 70.50 mag 11.9 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 21054-0744 (HD 200728) : ALADIN DSS IMAGE @ 21h 05m 23.26s -07° 43' 51.1"
 
 
 
 
WDS 21054-0744 RST 4691 (HD 200728) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21054-0744 RST4691 distance=0' 21065-0753 TDT2752 distance=19' 21042-0811 TDT2725 distance=33' 21074-0810 HDS3010 distance=40' 21079-0725 KPP2183 distance=42' 21074-0814 BU 368CD distance=43' 21074-0814 BU 368AB distance=43' 21074-0814 BU 368AC distance=43' 21074-0814 POP 227AB,E distance=43' 21078-0826 RST4074 distance=55' 21092-0814 JNN 128 distance=65' 21071-0858 J 1782 distance=78' 21008-0821 BU 678AB distance=78' 21008-0821 FOX 255AC distance=78' 21008-0704 UC 4361 distance=79' 21011-0657 WAA 49 distance=80' 21027-0629 UC 4364 distance=85' 21100-0658 GRV1140 distance=86' 21042-0911 AOT 102 distance=89' 21077-0621 BRT 513 distance=90' 20595-0804 RST3275 distance=90' 21103-0845 UC 4397 distance=95' 21106-0837 HJ 930 distance=96' 20593-0812 AHD 31 distance=96' 21005-0642 CVR 881 distance=97' 20599-0653 UC 4355 distance=97' 21119-0757 TDT2815 distance=98' 21032-0610 RST4689 distance=100' 21115-0832 J 2340 distance=101' 21082-0916 UC 4387 distance=101' 21100-0642 GRV1141 distance=103' 20594-0652 SKF1773 distance=104' 21069-0937 TDT2762 distance=116' 21032-0935 AOT 99 distance=116' 21041-0549 MCA 66Aa,Ab distance=117' 21041-0549 STF2745AB distance=117' 21121-0638 TDT2821 distance=120' 21065-0546 RST4692 distance=120' 21136-0749 SLW1232 distance=122' 21017-0552 TDS1111 distance=125' 21023-0941 HJ 929 distance=126' 21029-0950 AOT 98 distance=132' 21066-0534 BRT 557 distance=132' 21096-0940 RST4075 distance=133' 20581-0902 ELP 46 distance=134' 21077-0534 BUP 225 distance=135' 20588-0921 BOO 1DF distance=136' 20588-0921 BU 764DE distance=136' 21075-0956 TDT2770 distance=136' 20588-0921 BU 764CE distance=137' 21005-0548 ROE 148 distance=137' 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 21054-0744 RST4691 71 0.5
Show 21065-0753 TDT2752 79 0.5 19
Show 21042-0811 TDT2725 74 0.4 33
Show 21074-0810 HDS3010 31 0.9 40
Show 21079-0725 KPP2183 190 17.9 42
Show 21074-0814 BU 368 CD 298 6.0 43
Show 21074-0814 BU 368 AB 312 0.0 43
Show 21074-0814 BU 368 AC 39 15.6 43
Show 21074-0814 POP 227 AB,E 117 51.3 43
Show 21078-0826 RST4074 28 1.8 55
Show 21092-0814 JNN 128 121 0.9 65
Show 21071-0858 J 1782 193 5.1 78
Show 21008-0821 BU 678 AB 260 2.8 78
Show 21008-0821 FOX 255 AC 251 71.0 78
Show 21008-0704 UC 4361 52 39.2 79
Show 21011-0657 WAA 49 171 6.1 80
Show 21027-0629 UC 4364 165 27.0 85
Show 21100-0658 GRV1140 287 37.0 86
Show 21042-0911 AOT 102 113 14.6 89
Show 21077-0621 BRT 513 258 6.6 90
Show 20595-0804 RST3275 5 1.9 90
Show 21103-0845 UC 4397 270 43.4 95
Show 21106-0837 HJ 930 114 10.3 96
Show 20593-0812 AHD 31 161 10.6 96
Show 21005-0642 CVR 881 127 11.1 97
Show 20599-0653 UC 4355 21 32.1 97
Show 21119-0757 TDT2815 236 0.5 98
Show 21032-0610 RST4689 84 0.8 100
Show 21115-0832 J 2340 323 6.7 101
Show 21082-0916 UC 4387 14 16.0 101
Show 21100-0642 GRV1141 84 16.9 103
Show 20594-0652 SKF1773 31 1.7 104
Show 21069-0937 TDT2762 94 0.8 116
Show 21032-0935 AOT 99 116 7.4 116
Show 21041-0549 MCA 66 Aa,Ab 54 0.3 117
Show 21041-0549 STF2745 AB 198 2.4 117
Show 21121-0638 TDT2821 220 0.6 120
Show 21065-0546 RST4692 282 1.8 120
Show 21136-0749 SLW1232 187 60.4 122
Show 21017-0552 TDS1111 51 1.3 125
Show 21023-0941 HJ 929 2 23.9 126
Show 21029-0950 AOT 98 276 15.7 132
Show 21066-0534 BRT 557 281 4.3 132
Show 21096-0940 RST4075 40 1.6 133
Show 20581-0902 ELP 46 316 11.5 134
Show 21077-0534 BUP 225 264 58.3 135
Show 20588-0921 BOO 1 DF 195 18.3 136
Show 20588-0921 BU 764 DE 177 124.3 136
Show 21075-0956 TDT2770 215 0.6 136
Show 20588-0921 BU 764 CE 312 57.3 137
Show 21005-0548 ROE 148 88 12.8 137

 
 
WDS 21054-0744 : COMPONENTS
 
 
  A
B pa=70.5°
sep=0.48"
 
 
21054-0744 A
 
 
Componente originario normalizzato AB Name HD 200728 Coord arcsec 2000 210523.26-074351.1 Mag 10.2
Spectral class K0 (yellow-orange) PmRA -3.00 PmDE -12.0 Tycho2 5771-00357-1
HD 200728 DM BD-08 5565
Tycho2
Tycho2 5771-00357-1 Pflag RAmdeg 316.34694215 DEmdeg -7.73087242
PmRA -3.0 PmDE -15.3 E RAmdeg 17 E DEmdeg 28
E pmRA 1.9 E pmDE 2.0 EpRAm 1991.08 EpDEm 1989.98
Num 3 Q RAmdeg 1.9 Q DEmdeg 0.3 Q pmRA 1.9
Q pmDE 0.3 BTmag 11.117 E BTmag 0.050 VTmag 10.016
E VTmag 0.029 Prox 999 TYC T HIP
CCDM RAdeg 316.34694861 DEdeg -7.73083861 EpRA 1990 1.89
EpDE 1990 2.07 E RAdeg 17.4 E DEdeg 27.6 Posflg
Corr -0.1
 
 
21054-0744 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210523.29-074350.9 Mag 11.9 Calc delta mag 1.7
Calc coord yes