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
18311-6943
DON 901
HD 169549


Nearby doubles
33' : 18274-7008
TDT 885

37' : 18286-6908
DON1118

38' : 18379-6954
MLO 82

39' : 18268-7014
TDT 873

42' : 18381-7002
TDT 967

51' : 18397-7005
TDT 983

53' : 18412-6950
UC 3637

58' : 18301-6846
TDT 916

58' : 18375-6856
LDS 643

63' : 18375-6850
UC 3628

70' : 18202-7024
TDT 804

70' : 18419-6901
DON 913

70' : 18278-6835
HDS2613

71' : 18446-6947
TDT1025

71' : 18178-6931
UC 3548

74' : 18189-6906
TDT 791

76' : 18168-6958
TDT 772

76' : 18393-7045
TDT 977

78' : 18429-6856
UC 3652

80' : 18163-7005
UC 3539

80' : 18464-6946
TDT1048

86' : 18391-7058
TDT 974

87' : 18474-6931
UC 3671

88' : 18145-6929
GLI 242

88' : 18348-7109
TDT 943

89' : 18210-7055
TDT 814AB



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.

18311-6943 DON 901 (HD 169549)

 
 
18h 31m 04.67s -69° 42' 33.0" P.A. 231.00 sep 1.6 mag 8.81,11.80 Sp A4V
 
 
Coord 2000 18311-6943 Discov num DON 901 Comp Coord arcsec 2000 18 31 04.67 -69 42 33.0
Date first 1928 Date last 2016 Obs 4
Pa first 230 Pa last 230.9 P.A. Now (θ) 230.9°
Sep first 1.3 Sep last 1.551 Sep. Now (ρ) 1.551"
Mag pri 8.81 Mag sec 11.80 delta mag (ΔM) 2.99 Spectral class A4V (white)
Pri motion ra -006 Sec motion ra
Pri motion dec -029 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 169549 Constellation Pavo Tycho2 9295-01688-1 Gaia DR2 6432001464668679040
HD 169549
 
 
WDS 18311-6943 DON 901 (HD 169549) : 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
18311-6943 DON 901 1948 2 229 1.2 8.81 11.80 A4V 183104.67-694233.0
18311-6943 DON 901 2015 3 231 1.6 8.81 11.80 A4V 183104.67-694233.0
18311-6943 DON 901 2016 4 231 1.6 8.81 11.80 A4V 183104.67-694233.0

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

 
 
WDS 18311-6943 DON 901 (HD 169549) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18311-6943 DON 901 (HD 169549) : MEASURES
 
 
No records found.

 
 
WDS 18311-6943 (HD 169549) : VIRTUAL EYEPIECE
 
 

18311-6943 DON 901A mag 8.81 Sp A4V 18311-6943 DON 901B sep 1.1 P.A. 203.10 mag 11.8 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 18311-6943 (HD 169549) : ALADIN DSS IMAGE @ 18h 31m 04.67s -69° 42' 33.0"
 
 
 
 
WDS 18311-6943 DON 901 (HD 169549) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18311-6943 DON 901 distance=0' 18274-7008 TDT 885 distance=33' 18286-6908 DON1118 distance=37' 18379-6954 MLO 82 distance=38' 18268-7014 TDT 873 distance=39' 18381-7002 TDT 967 distance=42' 18397-7005 TDT 983 distance=51' 18412-6950 UC 3637 distance=53' 18301-6846 TDT 916 distance=58' 18375-6856 LDS 643 distance=58' 18375-6850 UC 3628 distance=63' 18202-7024 TDT 804 distance=70' 18419-6901 DON 913 distance=70' 18278-6835 HDS2613 distance=70' 18446-6947 TDT1025 distance=71' 18178-6931 UC 3548 distance=71' 18189-6906 TDT 791 distance=74' 18168-6958 TDT 772 distance=76' 18393-7045 TDT 977 distance=76' 18429-6856 UC 3652 distance=78' 18163-7005 UC 3539 distance=80' 18464-6946 TDT1048 distance=80' 18391-7058 TDT 974 distance=86' 18474-6931 UC 3671 distance=87' 18145-6929 GLI 242 distance=88' 18348-7109 TDT 943 distance=88' 18210-7055 TDT 814AB distance=89' 18257-6819 TDT 860 distance=89' 18167-7041 UC 3543 distance=94' 18323-6808 TDT 931 distance=95' 18495-6954 TDT1074 distance=97' 18130-7009 KPP4094 distance=97' 18350-7119 UC 3619AB distance=99' 18350-7119 UC 3619AC distance=99' 18350-7119 UC 3619BC distance=100' 18397-6814 TDT 982 distance=100' 18483-6856 JAO 8 distance=103' 18177-7101 B 2052BC distance=103' 18177-7101 B 2052AB distance=104' 18303-6758 TDT 918 distance=105' 18264-6800 DON 896 distance=106' 18299-6753 DON 900 distance=110' 18315-7135 TDT 927 distance=113' 18180-6814 HDO 289 distance=114' 18129-6843 TDT 738AB distance=114' 18142-7101 B 2051 distance=116' 18200-6803 DON 888 distance=117' 18430-7126 HJ 5048 distance=120' 18317-6742 MLO 81 distance=121' 18199-6758 LDS 633 distance=121' 18410-6754 TDT 991 distance=122' 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 18311-6943 DON 901 231 1.6
Show 18274-7008 TDT 885 336 0.5 33
Show 18286-6908 DON1118 290 4.1 37
Show 18379-6954 MLO 82 207 3.3 38
Show 18268-7014 TDT 873 262 0.7 39
Show 18381-7002 TDT 967 290 0.7 42
Show 18397-7005 TDT 983 127 1.2 51
Show 18412-6950 UC 3637 265 61.3 53
Show 18301-6846 TDT 916 249 2.1 58
Show 18375-6856 LDS 643 40 163.4 58
Show 18375-6850 UC 3628 305 48.7 63
Show 18202-7024 TDT 804 268 2.4 70
Show 18419-6901 DON 913 156 1.0 70
Show 18278-6835 HDS2613 280 0.3 70
Show 18446-6947 TDT1025 230 0.5 71
Show 18178-6931 UC 3548 86 45.8 71
Show 18189-6906 TDT 791 197 0.4 74
Show 18168-6958 TDT 772 152 1.8 76
Show 18393-7045 TDT 977 138 1.2 76
Show 18429-6856 UC 3652 206 49.5 78
Show 18163-7005 UC 3539 157 88.8 80
Show 18464-6946 TDT1048 128 2.6 80
Show 18391-7058 TDT 974 176 0.6 86
Show 18474-6931 UC 3671 205 6.4 87
Show 18145-6929 GLI 242 319 25.5 88
Show 18348-7109 TDT 943 257 1.4 88
Show 18210-7055 TDT 814 AB 45 0.4 89
Show 18257-6819 TDT 860 224 2.4 89
Show 18167-7041 UC 3543 303 8.8 94
Show 18323-6808 TDT 931 221 1.2 95
Show 18495-6954 TDT1074 342 1.5 97
Show 18130-7009 KPP4094 305 1.6 97
Show 18350-7119 UC 3619 AB 246 28.1 99
Show 18350-7119 UC 3619 AC 243 36.0 99
Show 18350-7119 UC 3619 BC 231 8.2 100
Show 18397-6814 TDT 982 344 0.5 100
Show 18483-6856 JAO 8 266 0.8 103
Show 18177-7101 B 2052 BC 87 2.2 103
Show 18177-7101 B 2052 AB 53 10.4 104
Show 18303-6758 TDT 918 181 1.6 105
Show 18264-6800 DON 896 321 4.6 106
Show 18299-6753 DON 900 222 4.3 110
Show 18315-7135 TDT 927 356 0.5 113
Show 18180-6814 HDO 289 300 2.4 114
Show 18129-6843 TDT 738 AB 233 0.4 114
Show 18142-7101 B 2051 62 0.3 116
Show 18200-6803 DON 888 82 2.3 117
Show 18430-7126 HJ 5048 356 69.6 120
Show 18317-6742 MLO 81 35 4.5 121
Show 18199-6758 LDS 633 212 17.7 121
Show 18410-6754 TDT 991 109 0.4 122

 
 
WDS 18311-6943 : COMPONENTS
 
 
  A
B pa=203.1°
sep=1.06"
 
 
18311-6943 A
 
 
Componente originario normalizzato AB Name HD 169549 Coord arcsec 2000 183104.67-694233.0 Mag 8.81
Spectral class A4V (white) PmRA -6.00 PmDE -29.0 Tycho2 9295-01688-1
HD 169549
Tycho2
Tycho2 9295-01688-1 Pflag RAmdeg 277.76946412 DEmdeg -69.70919224
PmRA 0.7 PmDE -18.7 E RAmdeg 6 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.80 EpDEm 1991.31
Num 10 Q RAmdeg 0.8 Q DEmdeg 1.6 Q pmRA 0.8
Q pmDE 1.6 BTmag 9.079 E BTmag 0.015 VTmag 8.810
E VTmag 0.011 Prox 660 TYC T HIP
CCDM RAdeg 277.76945944 DEdeg -69.70914917 EpRA 1990 1.39
EpDE 1990 1.73 E RAdeg 5.8 E DEdeg 4.8 Posflg
Corr 0.0
CCDM
Ccdm 18311-6943 RComp Comp A Note1
Note2 Discov num DRAs -1.32 DDEs 26.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp A2 PmNote *
PmRA 4 PmDE -24 Dm number -69 2894 Cat1 CPD
Name2 Cat2 HD 169549 M HD
ADS BDS M ADS BDS N IDS IDS 18199S6946A
HIC
 
 
18311-6943 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183104.59-694234.0 Mag 11.8 Calc delta mag 2.99
Calc coord yes
CCDM
Ccdm 18311-6943 RComp Comp B Note1
Note2 Discov num DON 901 DRAs DDEs
R dRAs Year 1928 Theta 229 Rho 1.3
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18199S6946B
HIC