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
20489-0214
HO 142 AC


Nearby doubles
23' : 20494-0235
WRH 14

31' : 20498-0146
TDT2566

43' : 20482-0255
TDT2549

46' : 20499-0131
RST4684

49' : 20492-0302
RST4682

50' : 20481-0302
A 174

52' : 20511-0135
LDS 727

58' : 20463-0258
LDS 724

59' : 20453-0239
BRT 506

66' : 20532-0221
JNN 126

67' : 20450-0140
LDS 722

69' : 20534-0227
BRT 509AB

70' : 20532-0240
BRT 508

88' : 20523-0324
CVR 876

91' : 20452-0103
LEO 56

93' : 20441-0116
GWP2991

93' : 20455-0332
AHD 29

96' : 20452-0331
AHD 28

98' : 20425-0233
WRH 13

103' : 20539-0323
RST4686

105' : 20556-0250
J 1713

108' : 20474-0359
TDT2540

113' : 20512-0401
UC 4308

116' : 20481-0410
J 1710

117' : 20473-0408
LDS4858

117' : 20411-0201
GWP2983



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.

20489-0214 HO 142 AC

 
 
20h 48m 53.06s -02° 14' 05.7" P.A. 290.00 sep 21.3 mag 9.54,14.00 Sp A5
 
 
Coord 2000 20489-0214 Discov num HO  142 Comp AC Coord arcsec 2000 20 48 53.06 -02 14 05.7
Date first 1886 Date last 2015 Obs 7
Pa first 299 Pa last 290.4 P.A. Now (θ) 290.4°
Sep first 20.4 Sep last 21.273 Sep. Now (ρ) 21.273"
Mag pri 9.54 Mag sec 14.00 delta mag (ΔM) 4.46 Spectral class A5 (white)
Pri motion ra +022 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20489-0214 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 198203 144833 20 48 53 -02 14 06 HO 142 AB 2016 17 8 1.0 9.54 9.95 0.41
Show 144833 20 48 53 -02 14 06 HO 142 AC 2015 7 290 21.3 9.54 14.00 4.46 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius SAO 144833 Tycho2 5182-00683-1 Gaia DR2 4226631858060027520
HD 198203
 
 
WDS 20489-0214 HO 142 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20489-0214 HO 142 AC 1998 5 290 21.0 9.54 14.00 A5 D 204853.06-021405.7
20489-0214 HO 142 AC 2000 6 290 21.0 9.54 14.00 A5 D 204853.06-021405.7
20489-0214 HO 142 AC 2015 7 290 21.3 9.54 14.00 A5 204853.06-021405.7

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

 
 
WDS 20489-0214 HO 142 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20489-0214 HO 142 AC : MEASURES
 
 
No records found.

 
 
WDS 20489-0214 : VIRTUAL EYEPIECE
 
 

20489-0214 HO 142A mag 9.54 Sp A5 20489-0214 HO 142B sep 1.0 P.A. 8.20 mag 9.95 20489-0214 HO 142C sep 21.3 P.A. 290.40 mag 14 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 20489-0214 : ALADIN DSS IMAGE @ 20h 48m 53.06s -02° 14' 05.7"
 
 
 
 
WDS 20489-0214 HO 142 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20489-0214 HO 142AC distance=0' 20494-0235 WRH 14 distance=23' 20498-0146 TDT2566 distance=31' 20482-0255 TDT2549 distance=43' 20499-0131 RST4684 distance=46' 20492-0302 RST4682 distance=49' 20481-0302 A 174 distance=50' 20511-0135 LDS 727 distance=52' 20463-0258 LDS 724 distance=58' 20453-0239 BRT 506 distance=59' 20532-0221 JNN 126 distance=66' 20450-0140 LDS 722 distance=67' 20534-0227 BRT 509AB distance=69' 20532-0240 BRT 508 distance=70' 20523-0324 CVR 876 distance=88' 20452-0103 LEO 56 distance=91' 20441-0116 GWP2991 distance=93' 20455-0332 AHD 29 distance=93' 20452-0331 AHD 28 distance=96' 20425-0233 WRH 13 distance=98' 20539-0323 RST4686 distance=103' 20556-0250 J 1713 distance=105' 20474-0359 TDT2540 distance=108' 20512-0401 UC 4308 distance=113' 20481-0410 J 1710 distance=116' 20473-0408 LDS4858 distance=117' 20411-0201 GWP2983 distance=117' 20424-0323 RST4678 distance=119' 20565-0134 HJ 927 distance=121' 20469-0417 J 1709 distance=126' 20402-0222 KPP4209AB distance=131' 20421-0336 RST4677 distance=131' 20576-0231 GWP3021 distance=132' 20423-0344 KPP 476 distance=134' 20412-0105 STF2706AB distance=135' 20412-0105 STF2706AC distance=135' 20399-0155 UC 4249 distance=137' 20506+0001 TDT2572 distance=138' 20495-0006 BAL 925 distance=140' 20456-0426 OCC9021 distance=142' 20472-0006 BAL 924 distance=142' 20478+0007 SKF2612 distance=143' 20584-0155 TDT2666 distance=144' 20485+0012 UC 4295 distance=147' 20582-0119 TDT2665 distance=151' 20591-0215 BAL 260 distance=153' 20428-0418 UC 4265 distance=154' 20525-0438 TDS1106 distance=154' 20508-0020 BAL 926 distance=157' 20472+0021 CBL 529 distance=158' 20405-0349 RST4674 distance=158' 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 20489-0214 HO 142 AB 8 1.0
Show 20489-0214 HO 142 AC 290 21.3
Show 20494-0235 WRH 14 193 2.2 23
Show 20498-0146 TDT2566 247 0.8 31
Show 20482-0255 TDT2549 181 2.0 43
Show 20499-0131 RST4684 3 0.3 46
Show 20492-0302 RST4682 2 0.9 49
Show 20481-0302 A 174 357 0.6 50
Show 20511-0135 LDS 727 348 15.7 52
Show 20463-0258 LDS 724 135 74.9 58
Show 20453-0239 BRT 506 277 4.1 59
Show 20532-0221 JNN 126 327 0.1 66
Show 20450-0140 LDS 722 266 25.1 67
Show 20534-0227 BRT 509 AB 127 5.0 69
Show 20532-0240 BRT 508 208 8.2 70
Show 20523-0324 CVR 876 284 10.8 88
Show 20452-0103 LEO 56 278 0.5 91
Show 20441-0116 GWP2991 16 13.8 93
Show 20455-0332 AHD 29 137 20.9 93
Show 20452-0331 AHD 28 307 37.4 96
Show 20425-0233 WRH 13 101 1.8 98
Show 20539-0323 RST4686 104 0.4 103
Show 20556-0250 J 1713 327 9.0 105
Show 20474-0359 TDT2540 63 0.6 108
Show 20512-0401 UC 4308 49 15.9 113
Show 20481-0410 J 1710 205 8.5 116
Show 20473-0408 LDS4858 11 17.3 117
Show 20411-0201 GWP2983 178 12.8 117
Show 20424-0323 RST4678 349 2.8 119
Show 20565-0134 HJ 927 347 37.7 121
Show 20469-0417 J 1709 216 8.3 126
Show 20402-0222 KPP4209 AB 250 2.2 131
Show 20421-0336 RST4677 122 4.4 131
Show 20576-0231 GWP3021 296 8.9 132
Show 20423-0344 KPP 476 141 3.9 134
Show 20412-0105 STF2706 AB 37 11.1 135
Show 20412-0105 STF2706 AC 318 189.6 135
Show 20399-0155 UC 4249 339 14.0 137
Show 20506+0001 TDT2572 89 0.5 138
Show 20495-0006 BAL 925 175 19.7 140
Show 20456-0426 OCC9021 273 0.0 142
Show 20472-0006 BAL 924 128 15.4 142
Show 20478+0007 SKF2612 63 1.0 143
Show 20584-0155 TDT2666 62 0.3 144
Show 20485+0012 UC 4295 196 69.5 147
Show 20582-0119 TDT2665 59 0.5 151
Show 20591-0215 BAL 260 99 9.3 153
Show 20428-0418 UC 4265 32 50.1 154
Show 20525-0438 TDS1106 252 1.4 154
Show 20508-0020 BAL 926 239 2.4 157
Show 20472+0021 CBL 529 43 49.8 158

 
 
WDS 20489-0214 : COMPONENTS
 
 
  A B
B pa=8.2°
sep=1.01"
 
C pa=290.4°
sep=21.26"
pa=287.7°
sep=21.07"
 
 
20489-0214 A
 
 
Name HD 198203 Coord arcsec 2000 204853.06-021405.7 Mag 9.54 Spectral class A5 (white)
PmRA 23.00 PmDE 4.0 SAO 144833 Tycho2 5182-00683-1
HD 198203 DM BD-02 5371
Tycho2
Tycho2 5182-00683-1 Pflag P RAmdeg 312.22110831 DEmdeg -2.23494401
PmRA 23.1 PmDE 4.1 E RAmdeg 10 E DEmdeg 14
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.17 EpDEm 1990.20
Num 5 Q RAmdeg 0.4 Q DEmdeg 1.0 Q pmRA 0.4
Q pmDE 1.1 BTmag 9.946 E BTmag 0.022 VTmag 9.536
E VTmag 0.020 Prox 10 TYC T HIP
CCDM RAdeg 312.22103972 DEdeg -2.23504028 EpRA 1990 1.65
EpDE 1990 1.14 E RAdeg 9.6 E DEdeg 13.8 Posflg D
Corr 0.0
SAO
SAO 144833 DelFlag RA1950 PmRA1950 0.0024
DE1950 PmDE1950 0.018 Vmag 8.9 SpType A5
Double code Source 27 CatNum 7235 DM BD-02 5371
DMcomp BDsup HD 198203 M HD 0
GC RA1950rad 5.43795094 DE1950rad -0.0422533 PmRA2000 0.0026
PmDE2000 0.015
CCDM
Ccdm 20489-0214 RComp Comp A Note1
Note2 Discov num DRAs -0.94 DDEs -5.1
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.8 Sp A5 PmNote *
PmRA 36 PmDE 18 Dm number -02 5371 Cat1 BD
Name2 144833 Cat2 SAO HD 198203 M HD
ADS BDS A14320 M ADS BDS N IDS IDS 20436S0236A
HIC
 
 
20489-0214 B
 
 
Coord arcsec 2000 204853.07-021404.7 Mag 9.95 PmRA 23.00 PmDE 4.0
Tycho2 5182-00683-2 Calc delta mag 0.41 Calc coord yes
Tycho2
Tycho2 5182-00683-2 Pflag P RAmdeg 312.22110831 DEmdeg -2.23494401
PmRA 23.1 PmDE 4.1 E RAmdeg 10 E DEmdeg 14
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.17 EpDEm 1990.20
Num 5 Q RAmdeg 0.4 Q DEmdeg 1.0 Q pmRA 0.4
Q pmDE 1.1 BTmag 10.442 E BTmag 0.030 VTmag 9.949
E VTmag 0.026 Prox 10 TYC T HIP
CCDM RAdeg 312.22108667 DEdeg -2.23477194 EpRA 1990 1.65
EpDE 1990 1.14 E RAdeg 13.6 E DEdeg 19.7 Posflg D
Corr 0.0
CCDM
Ccdm 20489-0214 RComp Comp B Note1
Note2 Discov num HO 142 DRAs DDEs
R dRAs Year 1885 Theta 008 Rho 0.8
Obs 9 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14320 M ADS BDS N IDS IDS 20436S0236B
HIC
 
 
20489-0214 C
 
 
Coord arcsec 2000 204851.73-021358.3 Mag 14 Calc delta mag 4.46 Calc coord yes
CCDM
Ccdm 20489-0214 RComp Comp C Note1
Note2 Discov num HO 142 DRAs DDEs
R dRAs Year 1886 Theta 296 Rho 20.4
Obs 4 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14320 M ADS BDS N IDS IDS 20436S0236C
HIC