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Doubles in session


Current system
21330-4738
HU 1538
HD 204885


Nearby doubles
39' : 21318-4701
RST3287

41' : 21325-4818
BRT1120

44' : 21366-4714
TDT3058

49' : 21310-4822
HJ 5273

56' : 21349-4830
KPP2102

58' : 21275-4756
RSS 560

63' : 21392-4739
KPP2143

65' : 21360-4641
HDS3074

66' : 21395-4733
TDT3085

74' : 21323-4851
RST5553

80' : 21397-4820
I 1445AB

85' : 21254-4814
UC 4467

91' : 21245-4711
SKF1022

91' : 21415-4808
HDS3088

93' : 21403-4642
KPP 924

93' : 21256-4833
CPO9301

101' : 21348-4559
FIN 15

104' : 21396-4619
HDS3082

110' : 21429-4826
RST5556

115' : 21266-4604
HJ 5267AB

116' : 21395-4913
TDT3086

116' : 21389-4917
RST1100

117' : 21445-4751
UC 4544

118' : 21408-4611
HU 1540

122' : 21226-4639
SKF1171

127' : 21305-4534
RST1090



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.

21330-4738 HU 1538 (HD 204885)

 
 
21h 33m 00.50s -47° 37' 43.9" P.A. 308.00 sep 1.5 mag 9.24,12.41 Sp F7V dist. 166.11 pc (541.85 l.y.)
 
 
Coord 2000 21330-4738 Discov num HU 1538 Comp Coord arcsec 2000 21 33 00.50 -47 37 43.9
Date first 1913 Date last 2016 Obs 7
Pa first 304 Pa last 308 P.A. Now (θ) 308°
Sep first 1.3 Sep last 1.511 Sep. Now (ρ) 1.511"
Mag pri 9.24 Mag sec 12.41 delta mag (ΔM) 3.17 Spectral class F7V (yellow-white)
Pri motion ra +012 Sec motion ra +012
Pri motion dec -052 Sec motion dec -051
Notes
rPM=0.019 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204885 Constellation Grus SAO 230734 HIP 106399
Tycho2 8427-00506-1 Gaia DR2 6563332386229700096 HD 204885 CD CD-4813930
CP CP-4810598 Distance 166.11 Distance ly 541.85
 
 
WDS 21330-4738 HU 1538 (HD 204885) : 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
21330-4738 HU 1538 1991 6 307 1.5 9.24 12.41 F7V 213300.50-473743.9
21330-4738 HU 1538 2016 7 308 1.5 9.24 12.41 F7V 213300.50-473743.9

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

 
 
WDS 21330-4738 HU 1538 (HD 204885) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21330-4738 HU 1538 (HD 204885) : MEASURES
 
 
No records found.

 
 
WDS 21330-4738 (HD 204885) : VIRTUAL EYEPIECE
 
 

21330-4738 HU 1538A mag 9.24 Sp F7V 21330-4738 HU 1538B sep 1.2 P.A. 319.20 mag 12.41 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 21330-4738 (HD 204885) : ALADIN DSS IMAGE @ 21h 33m 00.50s -47° 37' 43.9"
 
 
 
 
WDS 21330-4738 HU 1538 (HD 204885) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21330-4738 HU 1538 distance=0' 21318-4701 RST3287 distance=39' 21325-4818 BRT1120 distance=41' 21366-4714 TDT3058 distance=44' 21310-4822 HJ 5273 distance=49' 21349-4830 KPP2102 distance=56' 21275-4756 RSS 560 distance=58' 21392-4739 KPP2143 distance=63' 21360-4641 HDS3074 distance=65' 21395-4733 TDT3085 distance=66' 21323-4851 RST5553 distance=74' 21397-4820 I 1445AB distance=80' 21397-4820 CPO 624AB,C distance=80' 21254-4814 UC 4467 distance=85' 21245-4711 SKF1022 distance=91' 21415-4808 HDS3088 distance=91' 21403-4642 KPP 924 distance=93' 21256-4833 CPO9301 distance=93' 21348-4559 FIN 15 distance=101' 21396-4619 HDS3082 distance=104' 21429-4826 RST5556 distance=110' 21266-4604 HJ 5267AB distance=115' 21266-4604 I 1442AC distance=115' 21266-4604 HJ 5267AD distance=115' 21266-4604 HJ 5267Aa,Ab distance=115' 21395-4913 TDT3086 distance=116' 21389-4917 RST1100 distance=116' 21445-4751 UC 4544 distance=117' 21408-4611 HU 1540 distance=118' 21226-4639 SKF1171 distance=122' 21305-4534 RST1090 distance=127' 21205-4732 RST1087 distance=128' 21416-4920 SKF1101 distance=134' 21392-4939 RST1101 distance=137' 21337-4959 RST1094 distance=142' 21193-4703 HJ 5259AB distance=144' 21193-4703 ARY 104AC distance=144' 21418-4545 HDS3089 distance=145' 21466-4656 BRT1124 distance=145' 21326-5003 TDT3021 distance=146' 21217-4607 HDS3041 distance=148' 21480-4736 LDS 755 distance=151' 21364-5007 RST1097 distance=154' 21318-4503 TDT3011 distance=156' 21483-4718 BSO 15 distance=156' 21487-4737 DAM 638 distance=159' 21291-4503 TDT2988 distance=161' 21452-4925 TDT3137AB distance=162' 21300-4459 UC 4478 distance=162' 21188-4901 TDT2897 distance=165' 21250-5004 BRT1118 distance=167' 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 21330-4738 HU 1538 308 1.5
Show 21318-4701 RST3287 331 1.2 39
Show 21325-4818 BRT1120 221 4.1 41
Show 21366-4714 TDT3058 216 0.5 44
Show 21310-4822 HJ 5273 95 6.9 49
Show 21349-4830 KPP2102 356 17.0 56
Show 21275-4756 RSS 560 19 7.8 58
Show 21392-4739 KPP2143 36 17.5 63
Show 21360-4641 HDS3074 340 11.4 65
Show 21395-4733 TDT3085 51 0.4 66
Show 21323-4851 RST5553 2 0.4 74
Show 21397-4820 I 1445 AB 108 0.1 80
Show 21397-4820 CPO 624 AB,C 197 7.3 80
Show 21254-4814 UC 4467 248 9.5 85
Show 21245-4711 SKF1022 29 2.3 91
Show 21415-4808 HDS3088 111 12.7 91
Show 21403-4642 KPP 924 105 7.6 93
Show 21256-4833 CPO9301 67 4.2 93
Show 21348-4559 FIN 15 275 6.2 101
Show 21396-4619 HDS3082 216 0.2 104
Show 21429-4826 RST5556 290 0.5 110
Show 21266-4604 HJ 5267 AB 57 5.0 115
Show 21266-4604 I 1442 AC 238 16.4 115
Show 21266-4604 HJ 5267 AD 182 44.0 115
Show 21266-4604 HJ 5267 Aa,Ab 40 0.0 115
Show 21395-4913 TDT3086 93 1.3 116
Show 21389-4917 RST1100 88 1.1 116
Show 21445-4751 UC 4544 302 6.7 117
Show 21408-4611 HU 1540 309 3.2 118
Show 21226-4639 SKF1171 249 6.5 122
Show 21305-4534 RST1090 68 1.4 127
Show 21205-4732 RST1087 142 0.3 128
Show 21416-4920 SKF1101 273 162.4 134
Show 21392-4939 RST1101 214 0.6 137
Show 21337-4959 RST1094 197 0.3 142
Show 21193-4703 HJ 5259 AB 121 26.6 144
Show 21193-4703 ARY 104 AC 264 45.2 144
Show 21418-4545 HDS3089 233 0.3 145
Show 21466-4656 BRT1124 138 4.3 145
Show 21326-5003 TDT3021 326 0.5 146
Show 21217-4607 HDS3041 42 0.3 148
Show 21480-4736 LDS 755 237 135.5 151
Show 21364-5007 RST1097 42 0.8 154
Show 21318-4503 TDT3011 179 0.7 156
Show 21483-4718 BSO 15 350 79.0 156
Show 21487-4737 DAM 638 17 13.7 159
Show 21291-4503 TDT2988 29 0.5 161
Show 21452-4925 TDT3137 AB 248 0.4 162
Show 21300-4459 UC 4478 264 11.2 162
Show 21188-4901 TDT2897 165 1.9 165
Show 21250-5004 BRT1118 312 2.7 167

 
 
WDS 21330-4738 : COMPONENTS
 
 
  A
B pa=319.2°
sep=1.23"
 
 
21330-4738 A
 
 
Componente originario normalizzato AB Name HD 204885 Coord arcsec 2000 213300.50-473743.9 Mag 9.24
Spectral class F7V (yellow-white) PmRA 12.00 PmDE -52.0 SAO 230734
HIP 106399 Tycho2 8427-00506-1 HD 204885 CD CD-4813930
CP CP-4810598
Tycho2
Tycho2 8427-00506-1 Pflag RAmdeg 323.25209878 DEmdeg -47.62886152
PmRA 11.5 PmDE -52.0 E RAmdeg 9 E DEmdeg 10
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.08 EpDEm 1989.51
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.6 Q pmRA 1.0
Q pmDE 1.6 BTmag 9.773 E BTmag 0.020 VTmag 9.238
E VTmag 0.015 Prox 15 TYC T HIP 106399
CCDM A RAdeg 323.25206028 DEdeg -47.62873972 EpRA 1990 1.70
EpDE 1990 1.52 E RAdeg 8.6 E DEdeg 9.6 Posflg
Corr -0.1
SAO
SAO 230734 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 -0.058 Vmag 9 SpType F5
Double code Source 48 CatNum 19443 DM CP-4810598
DMcomp BDsup HD 204885 M HD 0
GC RA1950rad 5.62740061 DE1950rad -0.83514582 PmRA2000 0.0016
PmDE2000 -0.062
Hipparcos
Catalog H HIP 106399 Proxy H RAhms 21 33 00.49
DEdms -47 37 43.5 Vmag 9.14 VarFlag R Vmag H
RAdeg 323.252 DEdeg -47.6287 AstroRef A Plx 5.36
CCDM 21330-4738 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 307 Rho 1.517 HD 204885 BD
CD CD-4813930 CP CP-4810598 Dm number -4813930 VIred 0.58
SpType F7V R SpType Coord arcsec 2000 213300.49-473743.5
Hipparcos 2
HIP 106399 Sn 15 So 3 Nc 2
RArad 5.6418127257 DErad -0.831278294 Plx 6.02 PmRA 10.74
PmDE -50.56 E RArad 0.75 E DErad 0.65 E Plx 1.1
E pmRA 0.92 E pmDE 0.59 Hpmag 9.2517 E Hpmag 0.0013
SHp 0.017 VA 0 BV 0.7 E BV 0.495
VI 0.58
CCDM
Ccdm 21330-4738 RComp Comp A Note1
Note2 Discov num DRAs 0.58 DDEs 14.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp F5 PmNote *
PmRA 16 PmDE -58 Dm number -4813930 Cat1 CD
Name2 230734 Cat2 SAO HD 204885 M HD
ADS BDS M ADS BDS N IDS IDS 21264S4804A
HIC 106399
 
 
21330-4738 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213300.42-473743.0 Mag 12.41 PmRA 12.00
PmDE -51.0 Calc delta mag 3.17 Calc coord yes
CCDM
Ccdm 21330-4738 RComp Comp B Note1
Note2 Discov num HU 1538 DRAs DDEs
R dRAs Year 1930 Theta 307 Rho 1.5
Obs 4 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21264S4804B
HIC 106399