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Doubles in session


Current system
20177-1550
HO 123


Nearby doubles
28' : 20159-1555
LDS4834

41' : 20173-1510
HU 268

55' : 20146-1520
OCC 407

58' : 20203-1506
J 1703

63' : 20136-1521
HJ 5511

66' : 20164-1652
OCC 864

67' : 20134-1526
KUI 96

68' : 20143-1636
HJ 2939

70' : 20225-1601
ARA 125

71' : 20152-1651
OCC 993

76' : 20202-1444
RST4058AB

76' : 20140-1456
HJ 2937

80' : 20210-1447
STFA 52AB
Dabih

81' : 20203-1439
SHN 243

82' : 20231-1531
RST4060

87' : 20222-1647
H N 138

91' : 20114-1552
ARU 21

94' : 20156-1422
HJ 1493

94' : 20177-1417
J 1701

94' : 20241-1531
GWP2944

95' : 20211-1429
SHN 244

95' : 20190-1417
RST4057

95' : 20113-1530
HJ 1484

101' : 20225-1438
RST4059

106' : 20241-1459
RST4061

106' : 20201-1730
UC 4149AB



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20177-1550 HO 123

 
 
20h 17m 42.15s -15° 49' 56.8" P.A. 229.00 sep 3.0 mag 10.63,10.63
 
 
Coord 2000 20177-1550 Discov num HO  123 Comp Coord arcsec 2000 20 17 42.15 -15 49 56.8
Date first 1885 Date last 2016 Obs 25
Pa first 215 Pa last 228.7 P.A. Now (θ) 228.7°
Sep first 2.7 Sep last 2.973 Sep. Now (ρ) 2.973"
Mag pri 10.63 Mag sec 10.63 delta mag (ΔM) 0 Spectral class
Pri motion ra +017 Sec motion ra +007
Pri motion dec -053 Sec motion dec -055
Notes V (Proper motion indicates physical)
rPM=0.183 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Capricornus Tycho2 6328-01187-1 Gaia DR2 6874355947663043712
 
 
WDS 20177-1550 HO 123 : 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
20177-1550 HO 123 1998 21 237 2.3 10.63 10.63 D 201742.15-154956.8
20177-1550 HO 123 1999 22 229 3.0 10.63 10.63 D 201742.15-154956.8
20177-1550 HO 123 2015 23 229 3.0 10.63 10.63 W 201742.15-154956.8
20177-1550 HO 123 2016 25 229 3.0 10.63 10.63 V 201742.15-154956.8

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

 
 
WDS 20177-1550 HO 123 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20177-1550 HO 123 : MEASURES
 
 
No records found.

 
 
WDS 20177-1550 : VIRTUAL EYEPIECE
 
 

20177-1550 HO 123A mag 10.63 20177-1550 HO 123B sep 2.9 P.A. 227.60 mag 10.63 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20177-1550 : ALADIN DSS IMAGE @ 20h 17m 42.15s -15° 49' 56.8"
 
 
 
 
WDS 20177-1550 HO 123 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20177-1550 HO 123 distance=0' 20174-1550 HDS2894Ca,Cb distance=4' 20159-1555 LDS4834 distance=28' 20173-1510 HU 268 distance=41' 20146-1520 OCC 407 distance=55' 20203-1506 J 1703 distance=58' 20136-1521 HJ 5511 distance=63' 20164-1652 OCC 864 distance=66' 20134-1526 KUI 96 distance=67' 20143-1636 HJ 2939 distance=68' 20225-1601 ARA 125 distance=70' 20152-1651 OCC 993 distance=71' 20202-1444 RST4058AB distance=76' 20202-1444 OCC 440Aa,Ab distance=76' 20140-1456 HJ 2937 distance=76' 20210-1447 BAR 12Ba,Bb distance=77' 20210-1447 STFA 52BC distance=77' 20210-1447 HJ 2948DE distance=79' 20210-1447 BLA 7Aa,Ab (Dabih) distance=80' 20210-1447 STFA 52AB (Dabih) distance=80' 20210-1447 HJ 2948AD (Dabih) distance=80' 20210-1447 STFA 52AC (Dabih) distance=80' 20203-1439 SHN 243 distance=81' 20231-1531 RST4060 distance=82' 20222-1647 H N 138 distance=87' 20114-1552 ARU 21 distance=91' 20156-1422 HJ 1493 distance=94' 20177-1417 J 1701 distance=94' 20241-1531 GWP2944 distance=94' 20211-1429 SHN 244 distance=95' 20190-1417 RST4057 distance=95' 20113-1530 HJ 1484 distance=95' 20225-1438 RST4059 distance=101' 20241-1459 RST4061 distance=106' 20201-1730 UC 4149AB distance=106' 20201-1730 KPP4395AC distance=106' 20221-1721 LDS6340 distance=111' 20172-1742 FEN 37 distance=112' 20108-1646 TDT2053 distance=115' 20151-1742 RST3251 distance=117' 20260-1526 RST4064 distance=123' 20187-1751 UC 4142 distance=123' 20263-1601 UC 4182 distance=124' 20253-1449 OCC 920 distance=126' 20110-1717 KPP 460 distance=130' 20264-1510 KPP 473 distance=132' 20263-1505 RST4065 distance=132' 20178-1803 RST3253 distance=134' 20270-1554 OCC 23 distance=134' 20207-1340 OCC9192 distance=138' 20260-1443 OCC 402 distance=138' 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 20177-1550 HO 123 229 3.0
Show 20174-1550 HDS2894 Ca,Cb 65 0.8 4
Show 20159-1555 LDS4834 32 80.7 28
Show 20173-1510 HU 268 209 3.2 41
Show 20146-1520 OCC 407 -1 0.4 55
Show 20203-1506 J 1703 290 5.6 58
Show 20136-1521 HJ 5511 146 18.4 63
Show 20164-1652 OCC 864 -1 0.1 66
Show 20134-1526 KUI 96 345 9.7 67
Show 20143-1636 HJ 2939 126 17.3 68
Show 20225-1601 ARA 125 191 5.7 70
Show 20152-1651 OCC 993 -1 0.1 71
Show 20202-1444 RST4058 AB 100 5.7 76
Show 20202-1444 OCC 440 Aa,Ab -1 0.1 76
Show 20140-1456 HJ 2937 89 9.3 76
Show 20210-1447 BAR 12 Ba,Bb 52 0.4 77
Show 20210-1447 STFA 52 BC 111 396.5 77
Show 20210-1447 HJ 2948 DE 321 3.9 79
Show Dabih 20210-1447 BLA 7 Aa,Ab 35 0.1 80
Show Dabih 20210-1447 STFA 52 AB 266 205.2 80
Show Dabih 20210-1447 HJ 2948 AD 292 115.9 80
Show Dabih 20210-1447 STFA 52 AC 133 226.1 80
Show 20203-1439 SHN 243 -1 0.1 81
Show 20231-1531 RST4060 99 0.8 82
Show 20222-1647 H N 138 327 3.3 87
Show 20114-1552 ARU 21 16 0.4 91
Show 20156-1422 HJ 1493 326 18.9 94
Show 20177-1417 J 1701 79 5.0 94
Show 20241-1531 GWP2944 337 103.0 94
Show 20211-1429 SHN 244 -1 0.2 95
Show 20190-1417 RST4057 255 1.2 95
Show 20113-1530 HJ 1484 330 24.1 95
Show 20225-1438 RST4059 354 1.1 101
Show 20241-1459 RST4061 227 2.3 106
Show 20201-1730 UC 4149 AB 105 51.9 106
Show 20201-1730 KPP4395 AC 76 5.1 106
Show 20221-1721 LDS6340 356 7.2 111
Show 20172-1742 FEN 37 64 4.7 112
Show 20108-1646 TDT2053 149 2.7 115
Show 20151-1742 RST3251 263 2.9 117
Show 20260-1526 RST4064 317 1.9 123
Show 20187-1751 UC 4142 195 40.8 123
Show 20263-1601 UC 4182 102 8.5 124
Show 20253-1449 OCC 920 -1 0.1 126
Show 20110-1717 KPP 460 68 3.9 130
Show 20264-1510 KPP 473 113 3.5 132
Show 20263-1505 RST4065 56 0.3 132
Show 20178-1803 RST3253 115 2.5 134
Show 20270-1554 OCC 23 -1 0.1 134
Show 20207-1340 OCC9192 -1 0.0 138
Show 20260-1443 OCC 402 -1 -1.0 138

 
 
WDS 20177-1550 : COMPONENTS
 
 
  A
B pa=227.6°
sep=2.91"
 
 
20177-1550 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201742.15-154956.8 Mag 10.63 PmRA 17.00
PmDE -53.0 Tycho2 6328-01187-1
Tycho2
Tycho2 6328-01187-1 Pflag RAmdeg 304.42564089 DEmdeg -15.83245236
PmRA 29.4 PmDE -40.9 E RAmdeg 36 E DEmdeg 43
E pmRA 1.7 E pmDE 1.8 EpRAm 1986.32 EpDEm 1983.64
Num 4 Q RAmdeg 0.4 Q DEmdeg 0.9 Q pmRA 0.5
Q pmDE 0.9 BTmag 11.626 E BTmag 0.080 VTmag 10.630
E VTmag 0.053 Prox 27 TYC T HIP
CCDM RAdeg 304.42557028 DEdeg -15.83235528 EpRA 1990 1.71
EpDE 1990 1.47 E RAdeg 37.2 E DEdeg 45.2 Posflg D
Corr -0.2
CCDM
Ccdm 20177-1550 RComp Comp A Note1
Note2 Discov num DRAs 0.03 DDEs 1.9
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number -16 5552 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A13633 M ADS BDS N IDS IDS 20120S1608A
HIC
 
 
20177-1550 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201742.00-154958.8 Mag 10.63 PmRA 7.00
PmDE -55.0 Calc coord yes
CCDM
Ccdm 20177-1550 RComp Comp B Note1
Note2 Discov num HO 123 DRAs DDEs
R dRAs Year 1885 Theta 224 Rho 3.0
Obs 14 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13633 M ADS BDS N IDS IDS 20120S1608B
HIC