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Doubles in session


Current system
20022-1237
HU 78
HD 189787


Nearby doubles
23' : 20037-1243
TDT1943

28' : 20010-1215
RST4649AB

29' : 20041-1243
UC 4074

40' : 20023-1157
HU 79AB

48' : 20025-1150
RST4650

62' : 19580-1245
RST4051

63' : 19589-1318
BU 1476AB

70' : 20068-1256
STF2625

71' : 19573-1234
LDS4824

75' : 20051-1136
H 4 3

77' : 20064-1322
HLD 155AB

82' : 19565-1240
LDS 858

95' : 19583-1357
GRE 5

97' : 19563-1321
STF2602

98' : 20083-1315
BRT2769

99' : 19557-1305
HLD 153

110' : 19548-1223
HJ 602

114' : 19573-1109
UC 4058

115' : 20057-1420
HLD 154

116' : 20075-1112
RST5152

118' : 20100-1303
TOK 729

120' : 20049-1430
KPP1718

121' : 19539-1248
UC 4048

123' : 20105-1304
J 2298

124' : 19539-1237
J 2288

128' : 20106-1308
DAM 195



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.

20022-1237 HU 78 (HD 189787)

 
 
20h 02m 09.72s -12° 37' 15.3" P.A. 354.00 sep 2.3 mag 9.90,10.08 Sp F0V
 
 
Coord 2000 20022-1237 Discov num HU   78 Comp Coord arcsec 2000 20 02 09.72 -12 37 15.3
Date first 1899 Date last 2016 Obs 14
Pa first 2 Pa last 353.5 P.A. Now (θ) 353.5°
Sep first 2.2 Sep last 2.315 Sep. Now (ρ) 2.315"
Mag pri 9.90 Mag sec 10.08 delta mag (ΔM) 0.18 Spectral class F0V (yellow-white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec -008 Sec motion dec -008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189787 Constellation Sagittarius Tycho2 5746-01545-2 Gaia DR2 6879198815351738624
HD 189787
 
 
WDS 20022-1237 HU 78 (HD 189787) : 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
20022-1237 HU 78 2003 11 356 2.2 9.90 10.08 F0V 200209.72-123715.3
20022-1237 HU 78 2016 13 354 2.3 9.90 10.08 F0V 200209.72-123715.3

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

 
 
WDS 20022-1237 HU 78 (HD 189787) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20022-1237 HU 78 (HD 189787) : MEASURES
 
 
No records found.

 
 
WDS 20022-1237 (HD 189787) : VIRTUAL EYEPIECE
 
 

20022-1237 HU 78A mag 9.9 Sp F0V 20022-1237 HU 78B sep 2.3 P.A. 353.70 mag 10.08 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 20022-1237 (HD 189787) : ALADIN DSS IMAGE @ 20h 02m 09.72s -12° 37' 15.3"
 
 
 
 
WDS 20022-1237 HU 78 (HD 189787) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20022-1237 HU 78 distance=0' 20037-1243 TDT1943 distance=23' 20010-1215 RST4649AB distance=28' 20010-1215 B 2881AC distance=28' 20041-1243 UC 4074 distance=29' 20023-1157 HU 79AB distance=40' 20023-1157 B 2882AB,C distance=40' 20025-1150 RST4650 distance=48' 19580-1245 RST4051 distance=62' 19589-1318 BU 1476AB distance=63' 19589-1318 D 31AC distance=63' 20068-1256 STF2625 distance=70' 19573-1234 LDS4824 distance=71' 20051-1136 H 4 3 distance=75' 20064-1322 HLD 155AB distance=77' 20064-1322 HLD 155AC distance=77' 19565-1240 LDS 858 distance=82' 19583-1357 GRE 5 distance=95' 19563-1321 STF2602 distance=97' 20083-1315 BRT2769 distance=98' 19557-1305 HLD 153 distance=99' 19548-1223 HJ 602 distance=110' 19573-1109 UC 4058 distance=114' 20057-1420 HLD 154 distance=115' 20075-1112 RST5152 distance=116' 20100-1303 TOK 729 distance=118' 20049-1430 KPP1718 distance=120' 19539-1248 UC 4048 distance=121' 20105-1304 J 2298 distance=123' 19539-1237 J 2288 distance=124' 20106-1308 DAM 195 distance=128' 20033-1444 FOX 247 distance=128' 19583-1436 BRT 601 distance=131' 20111-1252 HO 119 distance=132' 20067-1039 BU 832 distance=136' 20118-1205 H 6 92 distance=145' 19525-1202 LDS4821 distance=146' 20124-1237 RAO 88CD distance=148' 20124-1237 BUP 206AB distance=151' 20124-1237 TDT2085AC distance=151' 20120-1150 RST4053 distance=153' 20114-1351 BRT2770 distance=154' 20045-1002 RST4651 distance=158' 20127-1312 TOK 336 distance=158' 20112-1109 RST4653 distance=159' 19510-1301 LEO 46 distance=163' 19598-0957 HO 276AB distance=164' 19598-0957 HLA 22AC distance=164' 19565-1016 GWP2911 distance=164' 19510-1240 GWP2901 distance=164' 19555-1026 GWP2908 distance=165' 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 20022-1237 HU 78 354 2.3
Show 20037-1243 TDT1943 258 1.1 23
Show 20010-1215 RST4649 AB 225 7.8 28
Show 20010-1215 B 2881 AC 52 36.6 28
Show 20041-1243 UC 4074 342 33.9 29
Show 20023-1157 HU 79 AB 235 0.5 40
Show 20023-1157 B 2882 AB,C 289 3.8 40
Show 20025-1150 RST4650 335 8.0 48
Show 19580-1245 RST4051 128 1.8 62
Show 19589-1318 BU 1476 AB 169 14.9 63
Show 19589-1318 D 31 AC 193 132.9 63
Show 20068-1256 STF2625 4 12.1 70
Show 19573-1234 LDS4824 77 62.7 71
Show 20051-1136 H 4 3 276 46.8 75
Show 20064-1322 HLD 155 AB 276 1.9 77
Show 20064-1322 HLD 155 AC 239 29.9 77
Show 19565-1240 LDS 858 157 19.1 82
Show 19583-1357 GRE 5 36 4.3 95
Show 19563-1321 STF2602 147 12.3 97
Show 20083-1315 BRT2769 304 4.5 98
Show 19557-1305 HLD 153 106 1.9 99
Show 19548-1223 HJ 602 309 6.7 110
Show 19573-1109 UC 4058 197 13.2 114
Show 20057-1420 HLD 154 39 1.5 115
Show 20075-1112 RST5152 147 2.6 116
Show 20100-1303 TOK 729 277 1.2 118
Show 20049-1430 KPP1718 60 13.3 120
Show 19539-1248 UC 4048 202 21.9 121
Show 20105-1304 J 2298 51 5.7 123
Show 19539-1237 J 2288 100 4.6 124
Show 20106-1308 DAM 195 205 5.3 128
Show 20033-1444 FOX 247 158 5.0 128
Show 19583-1436 BRT 601 15 5.0 131
Show 20111-1252 HO 119 198 3.1 132
Show 20067-1039 BU 832 112 1.4 136
Show 20118-1205 H 6 92 263 84.1 145
Show 19525-1202 LDS4821 350 10.1 146
Show 20124-1237 RAO 88 CD 273 18.0 148
Show 20124-1237 BUP 206 AB 272 90.5 151
Show 20124-1237 TDT2085 AC 194 999.9 151
Show 20120-1150 RST4053 2 0.8 153
Show 20114-1351 BRT2770 10 5.5 154
Show 20045-1002 RST4651 301 1.8 158
Show 20127-1312 TOK 336 88 114.0 158
Show 20112-1109 RST4653 155 3.5 159
Show 19510-1301 LEO 46 112 4.2 163
Show 19598-0957 HO 276 AB 109 0.2 164
Show 19598-0957 HLA 22 AC 296 10.3 164
Show 19565-1016 GWP2911 213 31.0 164
Show 19510-1240 GWP2901 183 151.1 164
Show 19555-1026 GWP2908 121 8.3 165

 
 
WDS 20022-1237 : COMPONENTS
 
 
  A
B pa=353.7°
sep=2.31"
 
 
20022-1237 A
 
 
Componente originario normalizzato AB Name HD 189787 Coord arcsec 2000 200209.72-123715.3 Mag 9.9
Spectral class F0V (yellow-white) PmRA 3.00 PmDE -8.0 Tycho2 5746-01545-2
HD 189787
Tycho2
Tycho2 5746-01545-2 Pflag P RAmdeg 300.54050733 DEmdeg -12.62092944
PmRA 2.9 PmDE -8.1 E RAmdeg 28 E DEmdeg 29
E pmRA 1.8 E pmDE 1.8 EpRAm 1988.21 EpDEm 1987.58
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 10.626 E BTmag 0.053 VTmag 9.900
E VTmag 0.041 Prox 22 TYC T HIP
CCDM RAdeg 300.54053194 DEdeg -12.62123000 EpRA 1990 1.60
EpDE 1990 1.54 E RAdeg 28.5 E DEdeg 30.4 Posflg D
Corr -0.2
 
 
20022-1237 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200209.70-123713.0 Mag 10.08 PmRA 3.00
PmDE -8.0 Tycho2 5746-01545-1 Calc delta mag 0.18 Calc coord yes
Tycho2
Tycho2 5746-01545-1 Pflag P RAmdeg 300.54050733 DEmdeg -12.62092944
PmRA 2.9 PmDE -8.1 E RAmdeg 28 E DEmdeg 29
E pmRA 1.8 E pmDE 1.8 EpRAm 1988.21 EpDEm 1987.58
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 10.596 E BTmag 0.049 VTmag 10.083
E VTmag 0.045 Prox 22 TYC T HIP
CCDM RAdeg 300.54047306 DEdeg -12.62061139 EpRA 1990 1.60
EpDE 1990 1.54 E RAdeg 29.1 E DEdeg 30.8 Posflg D
Corr -0.2