stampa
Login

Create your own observing lists in a few clicks and save them.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21403-4424
DON 1013
HD 205994


Nearby doubles
35' : 21435-4419
DON1016

47' : 21428-4503
TDT3118

55' : 21358-4400
UC 4504

56' : 21454-4432
BRT1123

64' : 21375-4328
CPO 623

65' : 21345-4439
HU 1539

66' : 21409-4319
SKF1100

66' : 21433-4327
HDS3095AB

74' : 21338-4446
BRT1121

83' : 21418-4545
HDS3089

86' : 21460-4525
KPP2359

89' : 21479-4500
I 1446

99' : 21318-4503
TDT3011

102' : 21428-4247
DON1015

107' : 21327-4318
DON1010

107' : 21408-4611
HU 1540

108' : 21331-4311
UC 4495

112' : 21348-4559
FIN 15

116' : 21396-4619
HDS3082

116' : 21296-4414
CBL 183

116' : 21300-4459
UC 4478

118' : 21510-4452
RST5480

125' : 21305-4534
RST1090

126' : 21291-4503
TDT2988

131' : 21281-4427
CPO 622

135' : 21503-4547
HDS3108



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

21403-4424 DON 1013 (HD 205994)

 
 
21h 40m 18.74s -44° 24' 17.9" P.A. 261.00 sep 1.8 mag 9.03,12.29 Sp K1III dist. 534.76 pc (1744.39 l.y.)
 
 
Coord 2000 21403-4424 Discov num DON1013 Comp Coord arcsec 2000 21 40 18.74 -44 24 17.9
Date first 1931 Date last 2016 Obs 8
Pa first 260 Pa last 261.2 P.A. Now (θ) 261.2°
Sep first 1.4 Sep last 1.782 Sep. Now (ρ) 1.782"
Mag pri 9.03 Mag sec 12.29 delta mag (ΔM) 3.26 Spectral class K1III (yellow-orange)
Pri motion ra +025 Sec motion ra +022
Pri motion dec -011 Sec motion dec -011
Notes
rPM=0.11 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 205994 Constellation Grus SAO 230783 HIP 107006
Tycho2 7993-01015-1 Gaia DR2 6565618412639349760 HD 205994 CD CD-4414590
CP CP-4410070 Distance 534.76 Distance ly 1744.39
 
 
WDS 21403-4424 DON 1013 (HD 205994) : 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
21403-4424 DON1013 1991 6 261 1.7 9.03 12.29 K1III 214018.74-442417.9
21403-4424 DON1013 2015 7 262 1.8 9.03 12.29 K1III 214018.74-442417.9
21403-4424 DON1013 2016 8 261 1.8 9.03 12.29 K1III 214018.74-442417.9

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

 
 
WDS 21403-4424 DON 1013 (HD 205994) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21403-4424 DON 1013 (HD 205994) : MEASURES
 
 
No records found.

 
 
WDS 21403-4424 (HD 205994) : VIRTUAL EYEPIECE
 
 

21403-4424 DON1013A mag 9.03 Sp K1III 21403-4424 DON1013B sep 1.3 P.A. 257.80 mag 12.29 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 21403-4424 (HD 205994) : ALADIN DSS IMAGE @ 21h 40m 18.74s -44° 24' 17.9"
 
 
 
 
WDS 21403-4424 DON 1013 (HD 205994) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21403-4424 DON1013 distance=0' 21435-4419 DON1016 distance=35' 21428-4503 TDT3118 distance=47' 21358-4400 UC 4504 distance=55' 21454-4432 BRT1123 distance=56' 21375-4328 CPO 623 distance=64' 21345-4439 HU 1539 distance=65' 21409-4319 SKF1100 distance=66' 21433-4327 HDS3095Ba,Bb distance=66' 21433-4327 HDS3095AB distance=66' 21338-4446 BRT1121 distance=74' 21418-4545 HDS3089 distance=83' 21460-4525 KPP2359 distance=86' 21479-4500 I 1446 distance=89' 21318-4503 TDT3011 distance=99' 21428-4247 DON1015 distance=102' 21327-4318 DON1010 distance=107' 21408-4611 HU 1540 distance=107' 21331-4311 UC 4495 distance=108' 21348-4559 FIN 15 distance=112' 21396-4619 HDS3082 distance=116' 21296-4414 CBL 183 distance=116' 21300-4459 UC 4478 distance=116' 21510-4452 RST5480 distance=118' 21305-4534 RST1090 distance=125' 21291-4503 TDT2988 distance=126' 21281-4427 CPO 622 distance=131' 21503-4547 HDS3108 distance=135' 21467-4228 DON1018 distance=136' 21403-4642 KPP 924 distance=139' 21519-4325 SKF 381 distance=139' 21270-4449 LDS6352 distance=144' 21360-4641 HDS3074 distance=145' 21399-4159 CRU9025 distance=146' 21337-4213 TDT3032 distance=150' 21309-4234 DON1009 distance=152' 21299-4243 TDT2997 distance=152' 21544-4410 CBL 185 distance=152' 21267-4339 LDS 743 distance=152' 21388-4150 CRU9024 distance=156' 21505-4618 TOI2312 distance=156' 21253-4409 TSN 46 distance=162' 21466-4656 BRT1124 distance=166' 21446-4140 WIS 353 distance=172' 21419-4132 TDT3114 distance=174' 21366-4714 TDT3058 distance=175' 21421-4131 BRT1122 distance=175' 21519-4222 B 2898 distance=176' 21266-4604 HJ 5267AB distance=176' 21266-4604 I 1442AC distance=176' 21266-4604 HJ 5267AD 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 21403-4424 DON1013 261 1.8
Show 21435-4419 DON1016 132 0.4 35
Show 21428-4503 TDT3118 291 0.5 47
Show 21358-4400 UC 4504 177 13.9 55
Show 21454-4432 BRT1123 30 5.1 56
Show 21375-4328 CPO 623 76 5.3 64
Show 21345-4439 HU 1539 82 1.3 65
Show 21409-4319 SKF1100 114 5.7 66
Show 21433-4327 HDS3095 Ba,Bb 281 0.1 66
Show 21433-4327 HDS3095 AB 210 0.4 66
Show 21338-4446 BRT1121 149 3.9 74
Show 21418-4545 HDS3089 233 0.3 83
Show 21460-4525 KPP2359 96 20.3 86
Show 21479-4500 I 1446 130 0.4 89
Show 21318-4503 TDT3011 179 0.7 99
Show 21428-4247 DON1015 340 2.1 102
Show 21327-4318 DON1010 181 0.8 107
Show 21408-4611 HU 1540 309 3.2 107
Show 21331-4311 UC 4495 33 48.1 108
Show 21348-4559 FIN 15 275 6.2 112
Show 21396-4619 HDS3082 216 0.2 116
Show 21296-4414 CBL 183 262 90.5 116
Show 21300-4459 UC 4478 264 11.2 116
Show 21510-4452 RST5480 6 0.8 118
Show 21305-4534 RST1090 68 1.4 125
Show 21291-4503 TDT2988 29 0.5 126
Show 21281-4427 CPO 622 153 4.3 131
Show 21503-4547 HDS3108 276 8.7 135
Show 21467-4228 DON1018 82 1.6 136
Show 21403-4642 KPP 924 105 7.6 139
Show 21519-4325 SKF 381 32 5.6 139
Show 21270-4449 LDS6352 260 90.9 144
Show 21360-4641 HDS3074 340 11.4 145
Show 21399-4159 CRU9025 123 42.5 146
Show 21337-4213 TDT3032 297 5.2 150
Show 21309-4234 DON1009 244 0.5 152
Show 21299-4243 TDT2997 247 0.5 152
Show 21544-4410 CBL 185 74 18.0 152
Show 21267-4339 LDS 743 93 19.9 152
Show 21388-4150 CRU9024 36 6.9 156
Show 21505-4618 TOI2312 135 0.1 156
Show 21253-4409 TSN 46 213 337.2 162
Show 21466-4656 BRT1124 138 4.3 166
Show 21446-4140 WIS 353 14 14.5 172
Show 21419-4132 TDT3114 268 0.4 174
Show 21366-4714 TDT3058 216 0.5 175
Show 21421-4131 BRT1122 192 3.5 175
Show 21519-4222 B 2898 218 13.7 176
Show 21266-4604 HJ 5267 AB 57 5.0 176
Show 21266-4604 I 1442 AC 238 16.4 176
Show 21266-4604 HJ 5267 AD 182 44.0 176

 
 
WDS 21403-4424 : COMPONENTS
 
 
  A
B pa=257.8°
sep=1.29"
 
 
21403-4424 A
 
 
Componente originario normalizzato AB Name HD 205994 Coord arcsec 2000 214018.74-442417.9 Mag 9.03
Spectral class K1III (yellow-orange) PmRA 25.00 PmDE -11.0 SAO 230783
HIP 107006 Tycho2 7993-01015-1 HD 205994 CD CD-4414590
CP CP-4410070
Tycho2
Tycho2 7993-01015-1 Pflag RAmdeg 325.07807516 DEmdeg -44.40497214
PmRA 25.4 PmDE -10.5 E RAmdeg 9 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.69 EpDEm 1989.84
Num 10 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.6 BTmag 10.273 E BTmag 0.024 VTmag 9.028
E VTmag 0.014 Prox 17 TYC T HIP 107006
CCDM A RAdeg 325.07799194 DEdeg -44.40494778 EpRA 1990 1.68
EpDE 1990 1.64 E RAdeg 9.4 E DEdeg 8.7 Posflg
Corr -0.1
SAO
SAO 230783 DelFlag RA1950 PmRA1950 0.0029
DE1950 PmDE1950 -0.008 Vmag 9.1 SpType K2
Double code Source 48 CatNum 19505 DM CP-4410070
DMcomp BDsup HD 205994 M HD 0
GC RA1950rad 5.65972675 DE1950rad -0.77897488 PmRA2000 0.003
PmDE2000 -0.012
Hipparcos
Catalog H HIP 107006 Proxy H RAhms 21 40 18.72
DEdms -44 24 17.8 Vmag 8.9 VarFlag R Vmag H
RAdeg 325.078 DEdeg -44.4049 AstroRef A Plx 4.92
CCDM 21403-4424 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 262 Rho 1.703 HD 205994 BD
CD CD-4414590 CP CP-4410070 Dm number -4414590 VIred 1.06
SpType K1III R SpType Coord arcsec 2000 214018.72-442417.8
Hipparcos 2
HIP 107006 Sn 15 So 3 Nc 2
RArad 5.673681378 DErad -0.7750125641 Plx 1.87 PmRA 22.89
PmDE -11.58 E RArad 0.85 E DErad 0.61 E Plx 1.44
E pmRA 1.05 E pmDE 0.63 Hpmag 9.0687 E Hpmag 0.0012
SHp 0.016 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 21403-4424 RComp Comp A Note1
Note2 Discov num DRAs 0.76 DDEs -17.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp K2 PmNote *
PmRA 31 PmDE -8 Dm number -4414590 Cat1 CD
Name2 230783 Cat2 SAO HD 205994 M HD
ADS BDS M ADS BDS N IDS IDS 21339S4451A
HIC 107006
 
 
21403-4424 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214018.62-442418.2 Mag 12.29 PmRA 22.00
PmDE -11.0 Calc delta mag 3.26 Calc coord yes
CCDM
Ccdm 21403-4424 RComp Comp B Note1
Note2 Discov num DON1013 DRAs DDEs
R dRAs Year 1931 Theta 262 Rho 1.6
Obs 3 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21339S4451B
HIC 107006