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Doubles in session


Current system
21435-4419
DON 1016
HD 206457


Nearby doubles
26' : 21454-4432
BRT1123

35' : 21403-4424
DON1013

45' : 21428-4503
TDT3118

53' : 21433-4327
HDS3095AB

63' : 21479-4500
I 1446

66' : 21409-4319
SKF1100

72' : 21460-4525
KPP2359

83' : 21375-4328
CPO 623

85' : 21358-4400
UC 4504

88' : 21510-4452
RST5480

89' : 21418-4545
HDS3089

93' : 21428-4247
DON1015

99' : 21345-4439
HU 1539

106' : 21519-4325
SKF 381

108' : 21338-4446
BRT1121

115' : 21503-4547
HDS3108

116' : 21408-4611
HU 1540

118' : 21467-4228
DON1018

118' : 21544-4410
CBL 185

128' : 21396-4619
HDS3082

132' : 21331-4311
UC 4495

132' : 21318-4503
TDT3011

132' : 21327-4318
DON1010

136' : 21348-4559
FIN 15

140' : 21505-4618
TOI2312

146' : 21399-4159
CRU9025



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21435-4419 DON 1016 (HD 206457)

 
 
21h 43m 27.85s -44° 19' 05.1" P.A. 132.00 sep 0.4 mag 10.98,10.95 Sp G0V
 
 
Coord 2000 21435-4419 Discov num DON1016 Comp Coord arcsec 2000 21 43 27.85 -44 19 05.1
Date first 1931 Date last 1991 Obs 4
Pa first 131 Pa last 132.3 P.A. Now (θ) 132.3°
Sep first 0.5 Sep last 0.4 Sep. Now (ρ) 0.4"
Mag pri 10.98 Mag sec 10.95 delta mag (ΔM) 0.03 Spectral class G0V (yellow)
Pri motion ra +011 Sec motion ra +011
Pri motion dec -021 Sec motion dec -021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206457 Constellation Grus Tycho2 7993-00762-1 Gaia DR2 6565589752321342208
HD 206457
 
 
WDS 21435-4419 DON 1016 (HD 206457) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 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
21435-4419 DON1016 1991 4 132 0.4 10.98 10.95 G0V 214327.85-441905.1

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

 
 
WDS 21435-4419 DON 1016 (HD 206457) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21435-4419 DON 1016 (HD 206457) : MEASURES
 
 
No records found.

 
 
WDS 21435-4419 (HD 206457) : VIRTUAL EYEPIECE
 
 

21435-4419 DON1016A mag 10.98 Sp G0V 21435-4419 DON1016B sep 0.3 P.A. 141.80 mag 10.95 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21435-4419 (HD 206457) : ALADIN DSS IMAGE @ 21h 43m 27.85s -44° 19' 05.1"
 
 
 
 
WDS 21435-4419 DON 1016 (HD 206457) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21435-4419 DON1016 distance=1' 21454-4432 BRT1123 distance=26' 21403-4424 DON1013 distance=35' 21428-4503 TDT3118 distance=45' 21433-4327 HDS3095Ba,Bb distance=53' 21433-4327 HDS3095AB distance=53' 21479-4500 I 1446 distance=63' 21409-4319 SKF1100 distance=66' 21460-4525 KPP2359 distance=72' 21375-4328 CPO 623 distance=83' 21358-4400 UC 4504 distance=85' 21510-4452 RST5480 distance=88' 21418-4545 HDS3089 distance=89' 21428-4247 DON1015 distance=93' 21345-4439 HU 1539 distance=99' 21519-4325 SKF 381 distance=106' 21338-4446 BRT1121 distance=108' 21503-4547 HDS3108 distance=115' 21408-4611 HU 1540 distance=116' 21467-4228 DON1018 distance=118' 21544-4410 CBL 185 distance=118' 21396-4619 HDS3082 distance=128' 21331-4311 UC 4495 distance=132' 21318-4503 TDT3011 distance=132' 21327-4318 DON1010 distance=132' 21348-4559 FIN 15 distance=136' 21505-4618 TOI2312 distance=140' 21399-4159 CRU9025 distance=146' 21403-4642 KPP 924 distance=148' 21519-4222 B 2898 distance=149' 21296-4414 CBL 183 distance=149' 21300-4459 UC 4478 distance=150' 21305-4534 RST1090 distance=157' 21388-4150 CRU9024 distance=158' 21291-4503 TDT2988 distance=160' 21446-4140 WIS 353 distance=160' 21466-4656 BRT1124 distance=161' 21573-4525 HJ 5308 distance=162' 21360-4641 HDS3074 distance=163' 21281-4427 CPO 622 distance=165' 21337-4213 TDT3032 distance=166' 21579-4327 LDS 766 distance=166' 21419-4132 TDT3114 distance=169' 21421-4131 BRT1122 distance=169' 21514-4153 CRU9027AB distance=170' 21514-4153 CRU9027AC distance=170' 21459-4130 UC 4554AB distance=172' 21560-4234 HJ 5303 distance=173' 21309-4234 DON1009 distance=174' 21497-4139 TSN 199 distance=175' 21299-4243 TDT2997 distance=176' 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 21435-4419 DON1016 132 0.4 1
Show 21454-4432 BRT1123 30 5.1 26
Show 21403-4424 DON1013 261 1.8 35
Show 21428-4503 TDT3118 291 0.5 45
Show 21433-4327 HDS3095 Ba,Bb 281 0.1 53
Show 21433-4327 HDS3095 AB 210 0.4 53
Show 21479-4500 I 1446 130 0.4 63
Show 21409-4319 SKF1100 114 5.7 66
Show 21460-4525 KPP2359 96 20.3 72
Show 21375-4328 CPO 623 76 5.3 83
Show 21358-4400 UC 4504 177 13.9 85
Show 21510-4452 RST5480 6 0.8 88
Show 21418-4545 HDS3089 233 0.3 89
Show 21428-4247 DON1015 340 2.1 93
Show 21345-4439 HU 1539 82 1.3 99
Show 21519-4325 SKF 381 32 5.6 106
Show 21338-4446 BRT1121 149 3.9 108
Show 21503-4547 HDS3108 276 8.7 115
Show 21408-4611 HU 1540 309 3.2 116
Show 21467-4228 DON1018 82 1.6 118
Show 21544-4410 CBL 185 74 18.0 118
Show 21396-4619 HDS3082 216 0.2 128
Show 21331-4311 UC 4495 33 48.1 132
Show 21318-4503 TDT3011 179 0.7 132
Show 21327-4318 DON1010 181 0.8 132
Show 21348-4559 FIN 15 275 6.2 136
Show 21505-4618 TOI2312 135 0.1 140
Show 21399-4159 CRU9025 123 42.5 146
Show 21403-4642 KPP 924 105 7.6 148
Show 21519-4222 B 2898 218 13.7 149
Show 21296-4414 CBL 183 262 90.5 149
Show 21300-4459 UC 4478 264 11.2 150
Show 21305-4534 RST1090 68 1.4 157
Show 21388-4150 CRU9024 36 6.9 158
Show 21291-4503 TDT2988 29 0.5 160
Show 21446-4140 WIS 353 14 14.5 160
Show 21466-4656 BRT1124 138 4.3 161
Show 21573-4525 HJ 5308 314 18.7 162
Show 21360-4641 HDS3074 340 11.4 163
Show 21281-4427 CPO 622 153 4.3 165
Show 21337-4213 TDT3032 297 5.2 166
Show 21579-4327 LDS 766 333 8.9 166
Show 21419-4132 TDT3114 268 0.4 169
Show 21421-4131 BRT1122 192 3.5 169
Show 21514-4153 CRU9027 AB 97 99.7 170
Show 21514-4153 CRU9027 AC 171 135.7 170
Show 21459-4130 UC 4554 AB 160 53.4 172
Show 21560-4234 HJ 5303 55 34.0 173
Show 21309-4234 DON1009 244 0.5 174
Show 21497-4139 TSN 199 303 0.1 175
Show 21299-4243 TDT2997 247 0.5 176

 
 
WDS 21435-4419 : COMPONENTS
 
 
  A
B pa=141.8°
sep=0.34"
 
 
21435-4419 A
 
 
Componente originario normalizzato AB Name HD 206457 Coord arcsec 2000 214327.85-441905.1 Mag 10.98
Spectral class G0V (yellow) PmRA 11.00 PmDE -21.0
CCDM
Ccdm 21435-4419 RComp Comp A Note1
Note2 Discov num DRAs -2.38 DDEs -1.8
R dRAs 80 Year Theta Rho
Obs 2 Vmag 10.8 Sp F8 PmNote
PmRA 4 PmDE -13 Dm number -4414606 Cat1 CD
Name2 Cat2 HD 206457 M HD
ADS BDS M ADS BDS N IDS IDS 21371S4446A
HIC
 
 
21435-4419 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214327.87-441905.4 Mag 10.95 PmRA 11.00
PmDE -21.0 Tycho2 7993-00762-1 HD 206457 Calc delta mag 0.03
Calc coord yes
Tycho2
Tycho2 7993-00762-1 Pflag RAmdeg 325.86608962 DEmdeg -44.31810971
PmRA 11.1 PmDE -20.5 E RAmdeg 14 E DEmdeg 21
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.16 EpDEm 1989.75
Num 4 Q RAmdeg 0.4 Q DEmdeg 0.3 Q pmRA 0.4
Q pmDE 0.3 BTmag 10.892 E BTmag 0.034 VTmag 10.260
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 325.86605472 DEdeg -44.31805917 EpRA 1990 1.77
EpDE 1990 1.17 E RAdeg 14.0 E DEdeg 20.5 Posflg
Corr -0.1
CCDM
Ccdm 21435-4419 RComp Comp B Note1
Note2 Discov num DON1016 DRAs DDEs
R dRAs Year 1931 Theta 129 Rho 0.5
Obs 3 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21371S4446B
HIC