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Doubles in session


Current system
21215-6640
DON 1006
HD 202778


Nearby doubles
15' : 21214-6655
HJ 5255AB

16' : 21215-6655
YMG 93

28' : 21231-6706
TDT2936

32' : 21252-6702
TDT2953

32' : 21204-6609
TDT2912

47' : 21156-6609
TDT2866

50' : 21292-6700
KPP1640

51' : 21212-6550
TDT2916

62' : 21117-6621
FAL 71

62' : 21119-6617
HDS3020

64' : 21167-6738
KPP2295

75' : 21110-6724
LDS 733

77' : 21246-6526
TDT2948

81' : 21350-6634
TDS1136

82' : 21350-6653
KPP1219

82' : 21081-6702
HJ 5240

89' : 21215-6511
TDT2922

89' : 21364-6638
TDT3053

91' : 21201-6810
DAM 803

91' : 21263-6806
MLO 93

101' : 21096-6754
LDS 732

106' : 21327-6521
LDS 747

112' : 21026-6651
TDT2709

116' : 21032-6723
DON 997

116' : 21222-6445
RST1088

116' : 21235-6445
MLO 92



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.

21215-6640 DON 1006 (HD 202778)

 
 
21h 21m 28.00s -66° 40' 00.3" P.A. 126.00 sep 2.5 mag 7.97,12.27 Sp A3m dist. 156.25 pc (509.69 l.y.)
 
 
Coord 2000 21215-6640 Discov num DON1006 Comp Coord arcsec 2000 21 21 28.00 -66 40 00.3
Date first 1928 Date last 1991 Obs 3
Pa first 128 Pa last 126.3 P.A. Now (θ) 126.3°
Sep first 2.3 Sep last 2.47 Sep. Now (ρ) 2.47"
Mag pri 7.97 Mag sec 12.27 delta mag (ΔM) 4.3 Spectral class A3m (white)
Pri motion ra -011 Sec motion ra -009
Pri motion dec +014 Sec motion dec +011
Notes
rPM=0.203 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 202778 Constellation Pavo SAO 254982 HIP 105445
Tycho2 9114-00455-1 Gaia DR2 6400168919413671040 HD 202778 GC 29842
CP CP-67 3792 Distance 156.25 Distance ly 509.69
 
 
WDS 21215-6640 DON 1006 (HD 202778) : 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
21215-6640 DON1006 1991 3 126 2.5 7.97 12.27 A3m 212128.00-664000.3

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

 
 
WDS 21215-6640 DON 1006 (HD 202778) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21215-6640 DON 1006 (HD 202778) : MEASURES
 
 
No records found.

 
 
WDS 21215-6640 (HD 202778) : VIRTUAL EYEPIECE
 
 

21215-6640 DON1006A mag 7.97 Sp A3m 21215-6640 DON1006B sep 1.7 P.A. 151.70 mag 12.27 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21215-6640 (HD 202778) : ALADIN DSS IMAGE @ 21h 21m 28.00s -66° 40' 00.3"
 
 
 
 
WDS 21215-6640 DON 1006 (HD 202778) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21215-6640 DON1006 distance=0' 21214-6655 HJ 5255AB distance=15' 21214-6655 SYU 13Ba,Bb distance=16' 21215-6655 YMG 93 distance=16' 21231-6706 TDT2936 distance=28' 21252-6702 TDT2953 distance=32' 21204-6609 TDT2912 distance=32' 21156-6609 TDT2866 distance=47' 21292-6700 KPP1640 distance=50' 21212-6550 TDT2916 distance=51' 21117-6621 FAL 71 distance=62' 21119-6617 HDS3020 distance=62' 21167-6738 KPP2295 distance=64' 21110-6724 LDS 733 distance=75' 21246-6526 TDT2948 distance=77' 21350-6634 TDS1136 distance=81' 21350-6653 KPP1219 distance=82' 21081-6702 HJ 5240 distance=82' 21215-6511 TDT2922 distance=89' 21364-6638 TDT3053 distance=89' 21201-6810 DAM 803 distance=91' 21263-6806 MLO 93 distance=91' 21096-6754 LDS 732 distance=101' 21327-6521 LDS 747 distance=106' 21026-6651 TDT2709 distance=112' 21032-6723 DON 997 distance=116' 21222-6445 RST1088 distance=116' 21235-6445 MLO 92 distance=116' 21167-6838 TDT2879 distance=121' 21278-6444 UC 4472 distance=123' 21408-6733 HJ 5281AB distance=125' 21408-6733 HJ 5281BC distance=126' 21374-6811 DON1012 distance=130' 21100-6447 RST1083 distance=133' 21396-6520 TDT3089 distance=137' 21146-6429 UC 4419 distance=139' 21303-6854 UC 4479 distance=143' 21378-6828 HDS3079 distance=143' 21059-6844 DON 998AB distance=153' 21059-6844 BAU 65AC distance=153' 21186-6406 UC 4438 distance=156' 21032-6452 TDT2715 distance=156' 21129-6407 RSS 555 distance=162' 21214-6924 DON1005 distance=165' 21401-6443 TDT3098 distance=165' 21084-6914 DON1000 distance=171' 21328-6403 TDT3023 distance=173' 21132-6354 UC 4408 distance=174' 21061-6411 TDT2746 distance=178' 21153-6341 HJ 5250 distance=183' 21365-6358 TDT3056 distance=188' 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 21215-6640 DON1006 126 2.5
Show 21214-6655 HJ 5255 AB 110 26.5 15
Show 21214-6655 SYU 13 Ba,Bb 277 0.1 16
Show 21215-6655 YMG 93 87 0.1 16
Show 21231-6706 TDT2936 325 0.6 28
Show 21252-6702 TDT2953 68 0.6 32
Show 21204-6609 TDT2912 351 0.5 32
Show 21156-6609 TDT2866 157 0.5 47
Show 21292-6700 KPP1640 110 12.6 50
Show 21212-6550 TDT2916 138 0.5 51
Show 21117-6621 FAL 71 97 22.2 62
Show 21119-6617 HDS3020 80 0.3 62
Show 21167-6738 KPP2295 125 19.3 64
Show 21110-6724 LDS 733 51 71.1 75
Show 21246-6526 TDT2948 119 0.7 77
Show 21350-6634 TDS1136 317 0.9 81
Show 21350-6653 KPP1219 60 9.4 82
Show 21081-6702 HJ 5240 203 11.8 82
Show 21215-6511 TDT2922 263 0.5 89
Show 21364-6638 TDT3053 33 0.5 89
Show 21201-6810 DAM 803 105 14.0 91
Show 21263-6806 MLO 93 131 4.5 91
Show 21096-6754 LDS 732 179 4.2 101
Show 21327-6521 LDS 747 25 193.2 106
Show 21026-6651 TDT2709 213 0.7 112
Show 21032-6723 DON 997 61 2.5 116
Show 21222-6445 RST1088 252 1.4 116
Show 21235-6445 MLO 92 335 2.4 116
Show 21167-6838 TDT2879 129 0.5 121
Show 21278-6444 UC 4472 226 8.4 123
Show 21408-6733 HJ 5281 AB 37 46.3 125
Show 21408-6733 HJ 5281 BC 23 6.4 126
Show 21374-6811 DON1012 353 1.8 130
Show 21100-6447 RST1083 8 0.5 133
Show 21396-6520 TDT3089 316 1.1 137
Show 21146-6429 UC 4419 176 55.6 139
Show 21303-6854 UC 4479 91 66.7 143
Show 21378-6828 HDS3079 52 0.3 143
Show 21059-6844 DON 998 AB 155 4.0 153
Show 21059-6844 BAU 65 AC 254 60.0 153
Show 21186-6406 UC 4438 227 9.1 156
Show 21032-6452 TDT2715 294 1.8 156
Show 21129-6407 RSS 555 95 8.2 162
Show 21214-6924 DON1005 247 0.9 165
Show 21401-6443 TDT3098 157 1.0 165
Show 21084-6914 DON1000 197 1.1 171
Show 21328-6403 TDT3023 1 0.8 173
Show 21132-6354 UC 4408 165 21.4 174
Show 21061-6411 TDT2746 330 0.4 178
Show 21153-6341 HJ 5250 304 9.6 183
Show 21365-6358 TDT3056 55 0.7 188

 
 
WDS 21215-6640 : COMPONENTS
 
 
  A
B pa=151.7°
sep=1.66"
 
 
21215-6640 A
 
 
Componente originario normalizzato AB Name HD 202778 Coord arcsec 2000 212128.00-664000.3 Mag 7.97
Spectral class A3m (white) PmRA -11.00 PmDE 14.0 SAO 254982
HIP 105445 Tycho2 9114-00455-1 HD 202778 GC 29842
CP CP-67 3792
Tycho2
Tycho2 9114-00455-1 Pflag RAmdeg 320.36667125 DEmdeg -66.66676320
PmRA -10.8 PmDE 13.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.48 EpDEm 1991.50
Num 11 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.2 BTmag 8.253 E BTmag 0.015 VTmag 7.967
E VTmag 0.010 Prox 25 TYC T HIP 105445
CCDM A RAdeg 320.36673361 DEdeg -66.66679472 EpRA 1990 1.72
EpDE 1990 1.76 E RAdeg 4.3 E DEdeg 4.0 Posflg
Corr 0.2
SAO
SAO 254982 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 0.009 Vmag 8 SpType A2
Double code Source 70 CatNum 29842 DM CP-67 3792
DMcomp BDsup HD 202778 M HD 0
GC 29842 RA1950rad 5.57297432 DE1950rad -1.16727227 PmRA2000 -0.0018
PmDE2000 0.008
Hipparcos
Catalog H HIP 105445 Proxy H RAhms 21 21 28.02
DEdms -66 40 00.5 Vmag 7.93 VarFlag 1 R Vmag H
RAdeg 320.367 DEdeg -66.6668 AstroRef A Plx 5.57
CCDM 21215-6640 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 126 Rho 2.459 HD 202778 BD
CD CP CP-67 3792 Dm number -67 3792 VIred 0.25
SpType A3m... R SpType Coord arcsec 2000 212128.02-664000.5
Hipparcos 2
HIP 105445 Sn 15 So 3 Nc 2
RArad 5.5914545067 DErad -1.1635551139 Plx 6.4 PmRA -8.71
PmDE 11.36 E RArad 0.49 E DErad 0.51 E Plx 0.9
E pmRA 0.51 E pmDE 0.53 Hpmag 7.9952 E Hpmag 0.0012
SHp 0.017 VA 0 BV 0.1 E BV 0.495
VI 0.25
CCDM
Ccdm 21215-6640 RComp Comp A Note1
Note2 Discov num DRAs -2.00 DDEs -0.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp A2 PmNote *
PmRA -5 PmDE 11 Dm number -67 3792 Cat1 CPD
Name2 254982 Cat2 SAO HD 202778 M HD
ADS BDS M ADS BDS N IDS IDS 21130S6705A
HIC 105445
 
 
21215-6640 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212128.13-664001.8 Mag 12.27 PmRA -9.00
PmDE 11.0 Calc delta mag 4.3 Calc coord yes
CCDM
Ccdm 21215-6640 RComp Comp B Note1
Note2 Discov num DON1006 DRAs DDEs
R dRAs Year 1928 Theta 128 Rho 2.3
Obs 1 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21130S6705B
HIC 105445