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Doubles in session


Current system
20170-1228
HJ 2943 AB


Nearby doubles
9' : 20176-1230
BU 295AB
Prima Giedi

13' : 20164-1220
BU 294AB

15' : 20181-1224
DAM 861

19' : 20158-1222
DOO 83

24' : 20176-1250
RST4056

28' : 20153-1217
DOO 82

33' : 20161-1159
KIR 22

38' : 20189-1201
HU 356

39' : 20158-1301
OSW 70

56' : 20207-1246
LAM 5
Alshat

66' : 20186-1126
CVR 223

70' : 20124-1237
BUP 206AB

71' : 20136-1140
DAM 634

75' : 20136-1133
RST4055

79' : 20127-1312
TOK 336

81' : 20226-1223
H N 127AB

82' : 20118-1205
H 6 92

84' : 20120-1150
RST4053

85' : 20229-1219
GWP2941

89' : 20169-1059
LDS4835

90' : 20200-1108
HU 358

90' : 20207-1340
OCC9192

91' : 20111-1252
HO 119

97' : 20131-1111
BRT2771AB

104' : 20106-1308
DAM 195

105' : 20105-1304
J 2298



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.

20170-1228 HJ 2943 AB

 
 
20h 17m 06.35s -12° 27' 13.7" P.A. 113.00 sep 9.9 mag 11.00,12.00
 
 
Coord 2000 20170-1228 Discov num HJ 2943 Comp AB Coord arcsec 2000 20 17 06.35 -12 27 13.7
Date first 1831 Date last 2017 Obs 14
Pa first 87 Pa last 112.9 P.A. Now (θ) 112.9°
Sep first 3.0 Sep last 9.928 Sep. Now (ρ) 9.928"
Mag pri 11.00 Mag sec 12.00 delta mag (ΔM) 1 Spectral class
Pri motion ra -027 Sec motion ra +038
Pri motion dec +011 Sec motion dec -031
Notes
rPM=1.578
This double is not physical.
 
 
20170-1228 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 17 06 -12 27 14 HJ 2943 AB 2017 14 113 9.9 11.00 12.00 1.00 <===
Show 20 17 06 -12 27 14 DOO 84 AC 2017 11 10 25.8 11.00 11.50 0.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Capricornus Tycho2 5748-00639-1 Gaia DR2 6880110555303931520
 
 
WDS 20170-1228 HJ 2943 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doo1901 Ma j Doolittle, E. 1901PFAO....1c...1D
Doo1901 Pub. Univ. Penn. 1, Pt. 3, 1901
Doo1903a Ma - Doolittle, E. 1903AJ.....23..175D
Doo1903a AJ 23, 175, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1903b Ma j Doolittle, E. 1903AJ.....23..177D
Doo1903b AJ 23, 177, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1905a Ma j Doolittle, E. 1905PFAO....2c...1D
Doo1905a Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1905b Ma - Doolittle, E. (measure by Hadley, J.M.) 1905PFAO....2c...1D
Doo1905b Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1906A Ma - Doolittle, E. 1906MmRAS..56....1L
Doo1906A +orb cited by Lewis (MemRAS 56, 1, 1906)
Doo1906B Ma - Doolittle, E. 1906QB821.B972.....
Doo1906B cited in BDS (Burnham Double Star Cat., 1906)
Doo1907 Ma j Doolittle, E. 1907PFAO....3c...1D
Doo1907 Pub. Univ. Penn. 3, Pt. 3, 1907
Doo1912 Ma j Doolittle, E. 1912PFAO....4a...1D
Doo1912 Pub. Univ. Penn. 4, Pt. 1, 1912
Doo1913A Ma - Doolittle, E. 1913QB811.B8.......
Doo1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Doo1915a Ma - Doolittle, E. 1915MNRAS..75..666D
Doo1915a MNRAS 75, 666, 1915
Doo1915b Ma - Doolittle, E. 1915PFAO....4a...1D
Doo1915b Pub. Univ. Penn. 4, Pt. 1, 1915
Doo1915c Ma - Doolittle, E. 1915AJ.....29...49D
Doo1915c AJ 29, 49, 1915
Doo1923 Ma j Doolittle, E. 1923PFAO....4b...1D
Doo1923 Pub. Univ. Penn. 4, Pt. 2, 1923
Doo1932A Ma - Doolittle, E. 1932QB821.A43......
Doo1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma 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
20170-1228 HJ 2943 AB 2002 3 112 9.6 11.00 12.00 D 201706.35-122713.7
20170-1228 HJ 2943 AB 2010 10 112 9.1 11.00 12.00 201706.35-122713.7
20170-1228 HJ 2943 AB 2016 10 113 9.9 11.00 12.00 201706.35-122713.7
20170-1228 HJ 2943 AB 2017 11 114 9.9 11.00 12.00 201706.35-122713.7

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

 
 
WDS 20170-1228 HJ 2943 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20170-1228 HJ 2943 AB : MEASURES
 
 
No records found.

 
 
WDS 20170-1228 : VIRTUAL EYEPIECE
 
 

20170-1228 HJ 2943A mag 11 20170-1228 HJ 2943B sep 9.7 P.A. 113.40 mag 12 20170-1228 DOO 84C sep 25.8 P.A. 10.20 mag 11.5 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 20170-1228 : ALADIN DSS IMAGE @ 20h 17m 06.35s -12° 27' 13.7"
 
 
 
 
WDS 20170-1228 HJ 2943 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20170-1228 HJ 2943AB distance=0' 20176-1230 WZ 15CD distance=9' 20176-1230 WZ 15Aa,Ab distance=9' 20176-1230 BU 295AB (Prima Giedi) distance=9' 20176-1230 HJ 607AC (Prima Giedi) distance=9' 20164-1220 BU 294AB distance=13' 20164-1220 BU 294BC distance=13' 20181-1224 DAM 861 distance=15' 20181-1233 HJ 608A,BC (Algedi) distance=15' 20181-1233 AGC 12AD (Algedi) distance=15' 20181-1233 STFA 51AE (Algedi) distance=15' 20181-1233 AGC 12BC distance=15' 20158-1222 DOO 83 distance=19' 20176-1250 RST4056 distance=24' 20153-1217 DOO 82 distance=28' 20161-1159 KIR 22 distance=33' 20189-1201 HU 356 distance=38' 20158-1301 OSW 70 distance=39' 20207-1246 LAM 5 (Alshat) distance=56' 20186-1126 CVR 223 distance=66' 20124-1237 BUP 206AB distance=70' 20124-1237 TDT2085AC distance=70' 20136-1140 DAM 634 distance=71' 20136-1133 RST4055 distance=75' 20124-1237 RAO 88CD distance=78' 20127-1312 TOK 336 distance=79' 20226-1223 HDS2910Aa,Ab distance=81' 20226-1223 H N 127AB distance=81' 20118-1205 H 6 92 distance=82' 20120-1150 RST4053 distance=84' 20229-1219 GWP2941 distance=85' 20169-1059 LDS4835 distance=89' 20200-1108 HU 358 distance=90' 20207-1340 OCC9192 distance=90' 20111-1252 HO 119 distance=91' 20131-1111 BRT2771AB distance=97' 20131-1111 DAM 203AC distance=97' 20106-1308 DAM 195 distance=104' 20105-1304 J 2298 distance=105' 20100-1303 TOK 729 distance=110' 20177-1417 J 1701 distance=110' 20202-1046 J 1389 distance=111' 20181-1036 HDS2899 distance=113' 20190-1417 RST4057 distance=114' 20112-1109 RST4653 distance=117' 20156-1422 HJ 1493 distance=118' 20114-1351 BRT2770 distance=119' 20251-1309 BRT2772 distance=124' 20211-1429 SHN 244 distance=136' 20083-1315 BRT2769 distance=138' 20203-1439 SHN 243 distance=140' 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 20170-1228 HJ 2943 AB 113 9.9
Show 20170-1228 DOO 84 AC 10 25.8
Show 20176-1230 WZ 15 CD 108 31.7 9
Show 20176-1230 WZ 15 Aa,Ab 353 0.8 9
Show Prima Giedi 20176-1230 BU 295 AB 212 53.2 9
Show Prima Giedi 20176-1230 HJ 607 AC 228 47.4 9
Show 20164-1220 BU 294 AB 33 26.7 13
Show 20164-1220 BU 294 BC 177 6.6 13
Show 20181-1224 DAM 861 41 11.9 15
Show Algedi 20181-1233 HJ 608 A,BC 196 6.6 15
Show Algedi 20181-1233 AGC 12 AD 159 153.4 15
Show Algedi 20181-1233 STFA 51 AE 290 381.2 15
Show 20181-1233 AGC 12 BC 241 1.2 15
Show 20158-1222 DOO 83 63 11.3 19
Show 20176-1250 RST4056 82 2.7 24
Show 20153-1217 DOO 82 242 15.6 28
Show 20161-1159 KIR 22 175 38.3 33
Show 20189-1201 HU 356 91 0.7 38
Show 20158-1301 OSW 70 93 53.6 39
Show Alshat 20207-1246 LAM 5 211 53.2 56
Show 20186-1126 CVR 223 39 27.9 66
Show 20124-1237 BUP 206 AB 272 90.5 70
Show 20124-1237 TDT2085 AC 194 999.9 70
Show 20136-1140 DAM 634 211 8.5 71
Show 20136-1133 RST4055 83 3.9 75
Show 20124-1237 RAO 88 CD 273 18.0 78
Show 20127-1312 TOK 336 88 114.0 79
Show 20226-1223 HDS2910 Aa,Ab 174 0.3 81
Show 20226-1223 H N 127 AB 205 43.4 81
Show 20118-1205 H 6 92 263 84.1 82
Show 20120-1150 RST4053 2 0.8 84
Show 20229-1219 GWP2941 67 87.3 85
Show 20169-1059 LDS4835 230 123.3 89
Show 20200-1108 HU 358 82 0.6 90
Show 20207-1340 OCC9192 -1 0.0 90
Show 20111-1252 HO 119 198 3.1 91
Show 20131-1111 BRT2771 AB 130 5.9 97
Show 20131-1111 DAM 203 AC 53 5.4 97
Show 20106-1308 DAM 195 205 5.3 104
Show 20105-1304 J 2298 51 5.7 105
Show 20100-1303 TOK 729 277 1.2 110
Show 20177-1417 J 1701 79 5.0 110
Show 20202-1046 J 1389 62 7.1 111
Show 20181-1036 HDS2899 237 0.3 113
Show 20190-1417 RST4057 255 1.2 114
Show 20112-1109 RST4653 155 3.5 117
Show 20156-1422 HJ 1493 326 18.9 118
Show 20114-1351 BRT2770 10 5.5 119
Show 20251-1309 BRT2772 247 4.8 124
Show 20211-1429 SHN 244 -1 0.2 136
Show 20083-1315 BRT2769 304 4.5 138

 
 
WDS 20170-1228 : COMPONENTS
 
 
  A B
B pa=113.4°
sep=9.73"
 
C pa=10.2°
sep=25.76"
pa=351.5°
sep=29.55"
 
 
20170-1228 A
 
 
Coord arcsec 2000 201706.35-122713.7 Mag 11 PmRA -27.00 PmDE 11.0
 
 
20170-1228 B
 
 
Coord arcsec 2000 201706.96-122717.6 Mag 12 PmRA 38.00 PmDE -31.0
Tycho2 5748-00639-1 Calc delta mag 1 Calc coord yes
Tycho2
Tycho2 5748-00639-1 Pflag RAmdeg 304.27769519 DEmdeg -12.45354009
PmRA 26.7 PmDE 4.4 E RAmdeg 98 E DEmdeg 117
E pmRA 2.3 E pmDE 2.9 EpRAm 1955.80 EpDEm 1937.00
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 13.899 E BTmag 0.472 VTmag 11.881
E VTmag 0.178 Prox 999 TYC HIP
CCDM RAdeg 304.27763222 DEdeg -12.45355028 EpRA 1990 1.71
EpDE 1990 1.30 E RAdeg 129.4 E DEdeg 195.1 Posflg
Corr -0.1
 
 
20170-1228 C
 
 
Coord arcsec 2000 201706.66-122648.3 Mag 11.5 PmRA -9.00 PmDE 10.0
Calc delta mag 0.5 Calc coord yes