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Doubles in session


Current system
21306+0710
HU 277
HD 204736


Nearby doubles
36' : 21321+0738
UC 4486

39' : 21329+0648
HJ 3033AB

41' : 21291+0744
GWP3066

43' : 21305+0628
SLW1240

44' : 21287+0743
HU 276

48' : 21277+0729
TDT2978

51' : 21327+0751
HJ 937

53' : 21271+0716
UC 4470

56' : 21272+0732
UC 4471

57' : 21341+0651
REE 1

64' : 21263+0707
CVR 245

64' : 21268+0642
HJ 3028

75' : 21316+0823
LDS4893

77' : 21309+0828
J 199

86' : 21328+0829
GWP3072

87' : 21319+0546
GRV 475

93' : 21286+0838
GWP3065

97' : 21244+0740
TDT2946

97' : 21368+0643
SLN 41

97' : 21364+0753
HJ 938

99' : 21361+0806
CVR1708

109' : 21376+0643
STT 443AB

112' : 21377+0637
STFA 56AB

116' : 21369+0604
GWP3078

117' : 21229+0649
HJ 3023AB

119' : 21229+0644
ALD 76



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.

21306+0710 HU 277 (HD 204736)

 
 
21h 30m 36.02s +07° 10' 25.4" P.A. 105.00 sep 1.0 mag 7.92,10.85 Sp G0 dist. 130.38 pc (425.3 l.y.)
 
 
Coord 2000 21306+0710 Discov num HU  277 Comp Coord arcsec 2000 21 30 36.02 +07 10 25.4
Date first 1900 Date last 2009 Obs 7
Pa first 109 Pa last 105.2 P.A. Now (θ) 105.2°
Sep first 1.1 Sep last 1.04 Sep. Now (ρ) 1.04"
Mag pri 7.92 Mag sec 10.85 delta mag (ΔM) 2.93 Spectral class G0 (yellow)
Pri motion ra -018 Sec motion ra -015
Pri motion dec -011 Sec motion dec -008
Notes
rPM=0.201 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204736 Constellation Pegasus SAO 126850 HIP 106195
Tycho2 0554-00430-1 Gaia DR2 1739175027158578432 HD 204736 BD BD+06 4842
Distance 130.38 Distance ly 425.3
 
 
WDS 21306+0710 HU 277 (HD 204736) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21306+0710 HU 277 1996 6 102 1.1 7.92 10.85 G0 D 213036.02+071025.4
21306+0710 HU 277 2009 7 105 1.0 7.92 10.85 G0 213036.02+071025.4

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

 
 
WDS 21306+0710 HU 277 (HD 204736) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21306+0710 HU 277 (HD 204736) : MEASURES
 
 
No records found.

 
 
WDS 21306+0710 (HD 204736) : VIRTUAL EYEPIECE
 
 

21306+0710 HU 277A mag 7.92 Sp G0 21306+0710 HU 277B sep 1.0 P.A. 105.30 mag 10.85 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 21306+0710 (HD 204736) : ALADIN DSS IMAGE @ 21h 30m 36.02s +07° 10' 25.4"
 
 
 
 
WDS 21306+0710 HU 277 (HD 204736) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21306+0710 HU 277 distance=1' 21321+0738 UC 4486 distance=36' 21329+0648 HJ 3033AB distance=39' 21329+0648 FOX 261AC distance=39' 21291+0744 GWP3066 distance=41' 21305+0628 SLW1240 distance=43' 21287+0743 HU 276 distance=44' 21277+0729 TDT2978 distance=48' 21327+0751 HJ 937 distance=51' 21271+0716 UC 4470 distance=53' 21272+0732 UC 4471 distance=56' 21341+0651 REE 1 distance=57' 21263+0707 CVR 245 distance=64' 21268+0642 HJ 3028 distance=64' 21316+0823 LDS4893 distance=75' 21309+0828 J 199 distance=77' 21328+0829 GWP3072 distance=86' 21319+0546 GRV 475 distance=87' 21286+0838 GWP3065 distance=93' 21244+0740 TDT2946 distance=97' 21368+0643 SLN 41 distance=97' 21364+0753 HJ 938 distance=97' 21361+0806 CVR1708 distance=99' 21376+0643 STT 443AB distance=109' 21376+0643 FYM 46AC distance=109' 21377+0637 STFA 56AB distance=112' 21377+0637 STFA 56AC distance=112' 21369+0604 GWP3078 distance=116' 21229+0649 HJ 3023AB distance=117' 21229+0649 HJ 3023AC distance=117' 21229+0649 HJ 3023AE distance=117' 21229+0649 BU 1504FG distance=118' 21229+0649 BU 1504CD distance=118' 21229+0644 ALD 76 distance=119' 21319+0908 CVR 906 distance=119' 21386+0704 SKF2553 distance=119' 21267+0527 OSO 146AB distance=119' 21267+0527 OSO 146AC distance=119' 21325+0515 SLW1242 distance=120' 21264+0522 GRV 468 distance=125' 21292+0451 J 2350 distance=140' 21325+0452 HJ 3032 distance=142' 21277+0455 CVR 903 distance=143' 21225+0827 HU 275 distance=144' 21385+0546 HJ 941 distance=146' 21377+0528 J 1406 distance=146' 21399+0623 OSO 151AB distance=147' 21399+0623 OSO 151AC distance=147' 21336+0448 BAL2980 distance=150' 21221+0832 UC 4460 distance=151' 21345+0930 STF3112AB distance=152' 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 21306+0710 HU 277 105 1.0 1
Show 21321+0738 UC 4486 75 48.4 36
Show 21329+0648 HJ 3033 AB 244 25.4 39
Show 21329+0648 FOX 261 AC 306 47.2 39
Show 21291+0744 GWP3066 106 11.9 41
Show 21305+0628 SLW1240 173 97.0 43
Show 21287+0743 HU 276 29 0.9 44
Show 21277+0729 TDT2978 88 0.4 48
Show 21327+0751 HJ 937 341 10.6 51
Show 21271+0716 UC 4470 241 48.2 53
Show 21272+0732 UC 4471 327 11.8 56
Show 21341+0651 REE 1 21 0.3 57
Show 21263+0707 CVR 245 104 91.9 64
Show 21268+0642 HJ 3028 242 21.0 64
Show 21316+0823 LDS4893 276 7.6 75
Show 21309+0828 J 199 187 4.9 77
Show 21328+0829 GWP3072 207 39.2 86
Show 21319+0546 GRV 475 226 75.2 87
Show 21286+0838 GWP3065 135 13.0 93
Show 21244+0740 TDT2946 54 0.4 97
Show 21368+0643 SLN 41 125 3.4 97
Show 21364+0753 HJ 938 123 11.4 97
Show 21361+0806 CVR1708 251 4.2 99
Show 21376+0643 STT 443 AB 348 8.1 109
Show 21376+0643 FYM 46 AC 130 86.0 109
Show 21377+0637 STFA 56 AB 349 38.7 112
Show 21377+0637 STFA 56 AC 121 85.1 112
Show 21369+0604 GWP3078 257 45.9 116
Show 21229+0649 HJ 3023 AB 257 40.9 117
Show 21229+0649 HJ 3023 AC 301 74.1 117
Show 21229+0649 HJ 3023 AE 273 96.0 117
Show 21229+0649 BU 1504 FG 156 6.6 118
Show 21229+0649 BU 1504 CD 8 5.2 118
Show 21229+0644 ALD 76 66 3.0 119
Show 21319+0908 CVR 906 347 30.1 119
Show 21386+0704 SKF2553 300 34.6 119
Show 21267+0527 OSO 146 AB 309 25.0 119
Show 21267+0527 OSO 146 AC 49 25.3 119
Show 21325+0515 SLW1242 79 12.3 120
Show 21264+0522 GRV 468 20 75.9 125
Show 21292+0451 J 2350 60 5.7 140
Show 21325+0452 HJ 3032 93 17.5 142
Show 21277+0455 CVR 903 251 8.2 143
Show 21225+0827 HU 275 56 0.4 144
Show 21385+0546 HJ 941 310 33.3 146
Show 21377+0528 J 1406 207 2.5 146
Show 21399+0623 OSO 151 AB 101 3.8 147
Show 21399+0623 OSO 151 AC 269 15.8 147
Show 21336+0448 BAL2980 138 17.4 150
Show 21221+0832 UC 4460 236 22.0 151
Show 21345+0930 STF3112 AB 241 6.7 152

 
 
WDS 21306+0710 : COMPONENTS
 
 
  A
B pa=105.3°
sep=1.03"
 
 
21306+0710 A
 
 
Componente originario normalizzato AB Name HD 204736 Coord arcsec 2000 213036.02+071025.4 Mag 7.92
Spectral class G0 (yellow) PmRA -18.00 PmDE -11.0 SAO 126850
HIP 106195 Tycho2 0554-00430-1 HD 204736 BD BD+06 4842
Tycho2
Tycho2 0554-00430-1 Pflag RAmdeg 322.65007253 DEmdeg 7.17371647
PmRA -18.2 PmDE -10.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.9 E pmDE 1.8 EpRAm 1991.32 EpDEm 1991.23
Num 8 Q RAmdeg 0.7 Q DEmdeg 1.7 Q pmRA 0.7
Q pmDE 1.7 BTmag 8.419 E BTmag 0.017 VTmag 7.920
E VTmag 0.012 Prox 11 TYC T HIP 106195
CCDM A RAdeg 322.65011472 DEdeg 7.17374222 EpRA 1990 1.66
EpDE 1990 1.57 E RAdeg 5.5 E DEdeg 6.2 Posflg
Corr -0.1
SAO
SAO 126850 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 0.006 Vmag 8.2 SpType G0
Double code Source 32 CatNum 10783 DM BD+06 4842
DMcomp BDsup HD 204736 M HD 0
GC RA1950rad 5.6204962 DE1950rad 0.12136225 PmRA2000 -0.0004
PmDE2000 0.001
Hipparcos
Catalog H HIP 106195 Proxy H RAhms 21 30 36.03
DEdms +07 10 25.5 Vmag 7.83 VarFlag R Vmag H
RAdeg 322.65 DEdeg 7.17374 AstroRef A Plx 5.36
CCDM 21306+0710 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 105 Rho 1.103 HD 204736 BD BD+06 4842
CD CP Dm number +06 4842 VIred 0.52
SpType G0 R SpType Coord arcsec 2000 213036.03+071025.5
Hipparcos 2
HIP 106195 Sn 15 So 3 Nc 2
RArad 5.6313068033 DErad 0.1252054562 Plx 7.67 PmRA -17.78
PmDE -9.49 E RArad 0.86 E DErad 0.68 E Plx 1.01
E pmRA 1.19 E pmDE 0.77 Hpmag 7.935 E Hpmag 0.0017
SHp 0.014 VA 0 BV 0.2 E BV 0.495
VI 0.52
CCDM
Ccdm 21306+0710 RComp Comp A Note1
Note2 Discov num DRAs 0.01 DDEs 26.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.3 Sp G0 PmNote *
PmRA -14 PmDE 3 Dm number +06 4842 Cat1 BD
Name2 +06 2940 Cat2 AGK2/3 HD 204736 M HD
ADS BDS A15034 M ADS BDS N IDS IDS 21256N0644A
HIC 106195
 
 
21306+0710 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213036.09+071025.1 Mag 10.85 PmRA -15.00
PmDE -8.0 Calc delta mag 2.93 Calc coord yes
CCDM
Ccdm 21306+0710 RComp Comp B Note1
Note2 Discov num HU 277 DRAs DDEs
R dRAs Year 1900 Theta 107 Rho 1.1
Obs 2 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15034 M ADS BDS N IDS IDS 21256N0644B
HIC 106195