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Current system
18056+3618
AHD 1


Nearby doubles
8' : 18050+3619
LDS4774

27' : 18043+3557
JOD 14

38' : 18080+3642
ES 183

44' : 18088+3638
KPP1404

46' : 18025+3643
ES 2479

56' : 18093+3547
ES 2170

58' : 18011+3558
POP 210AB

66' : 18058+3512
TDT 678

70' : 18056+3727
ES 2109AB

70' : 18001+3600
UC 3467

71' : 18079+3514
UC 3499

72' : 17597+3624
OSO 91AB

74' : 18121+3559
ES 2171

75' : 18111+3544
JNN 116

77' : 18101+3713
ES 2480

77' : 18036+3731
COU1147

78' : 18017+3714
GCB 29

80' : 18090+3511
HO 80

92' : 18053+3750
ALI 608

93' : 18081+3449
POP 211

94' : 17587+3538
COU1002

98' : 17591+3716
J 755

100' : 18070+3440
ES 2286

101' : 18114+3506
ALI 140

103' : 17584+3524
COU1000

107' : 18053+3806
J 758



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.

18056+3618 AHD 1

 
 
18h 05m 36.21s +36° 18' 04.8" P.A. 278.00 sep 39.8 mag 9.55,10.39 Sp F2
 
 
Coord 2000 18056+3618 Discov num AHD   1 Comp Coord arcsec 2000 18 05 36.21 +36 18 04.8
Date first 1924 Date last 2015 Obs 18
Pa first 277 Pa last 278.1 P.A. Now (θ) 278.1°
Sep first 39.8 Sep last 39.805 Sep. Now (ρ) 39.805"
Mag pri 9.55 Mag sec 10.39 delta mag (ΔM) 0.84 Spectral class F2 (yellow-white)
Pri motion ra -001 Sec motion ra -013
Pri motion dec -016 Sec motion dec -016
Notes
rPM=0.582
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2633-01920-1 Gaia DR2 4606512133322228736
 
 
WDS 18056+3618 AHD 1 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ahd2010 Mb u Ahad, A. ...................
Ahd2010 Webb Soc., Double Star Circ. 18, 2010
Ahd2011 Mb u Ahad, A. ...................
Ahd2011 +Pa Webb Soc., Double Star Circ. 19, 2011
Ahd2012 Mb u Ahad, A. ...................
Ahd2012 +P+ Webb Soc., Double Star Circ. 20, 2012
Ahd2012 +C
Ahd2012b Pa j Ahad, A. 2012JDSO....8..247A
Ahd2012b +P JDSO 8, 247, 2012
Ahd2012c Pa w Ahad, A. 2012JDSO....8..332A
Ahd2012c +P JDSO 8, 332, 2012
Ahd2013a Pa w Ahad, A. 2013JDSO....9..122A
Ahd2013a +C JDSO 9, 122, 2013
Ahd2013b C u Ahad, A. ...................
Ahd2013b Webb Soc., Double Star Circ. 21, 2013
Ahd2013c E2 w Ahad, A. 2013JDSO....9..173A
Ahd2013c JDSO 9, 173, 2013
Ahd2013d E2 u Ahad, A. 2013JDSO....9..247A
Ahd2013d +C JDSO 9, 247, 2013
Ahd2013e E2 w Ahad, A. 2013JDSO....9..274A
Ahd2013e +P JDSO 9, 274, 2013
Ahd2014a E2 j Ahad, A. 2014JDSO...10..122A
Ahd2014a +P JDSO 10, 122, 2014
Ahd2014b E2 u Ahad, A. 2014JDSO...10..134A
Ahd2014b JDSO 10, 134, 2014
Ahd2014d E2 u Ahad, A. ...................
Ahd2014d +Pp Webb Soc., Double Star Circ. 22, 2014
Ahd2014e E2 u Ahad, A. ...................
Ahd2014e Webb Soc., Double Star Circ. 22, 2014
Ahd2014f E2 u Ahad, A. 2014JDSO...10..254A
Ahd2014f JDSO 10, 254, 2014
Ahd2014g E2 - Ahad, A. 2014JDSO...10..311A
Ahd2014g +P JDSO 10, 311, 2014 (all data are also in Ahd2014c)
Ahd2014h E2 w Ahad, A. 2014JDSO...10..314A
Ahd2014h JDSO 10, 314, 2014
Ahd2015a E2 w Ahad, A. 2015JDSO...11...33A
Ahd2015a +C JDSO 11, 33, 2015
Ahd2015b C u Ahad, A. 2015JDSO...11...70A
Ahd2015b JDSO 11, 70, 2015
Ahd2015c C - Ahad, A. 2015JDSO...11...78A
Ahd2015c JDSO 11, 78, 2015
Ahd2015d C u Ahad, A. ...................
Ahd2015d Webb Soc., Double Star Circ. 23, 26, 2015
Ahd2015e C u Ahad, A. ...................
Ahd2015e Webb Soc., Double Star Circ. 23, 30, 2015
Ahd2016a C u Ahad, A. 2016JDSO...12..162A
Ahd2016a JDSO 12, 162, 2016
Ahd2016b C u Ahad, A. 2016JDSO...12..165A
Ahd2016b +E2 JDSO 12, 165, 2016
Ahd2016b +Pp
Ahd2016c C u Ahad, A. ...................
Ahd2016c Webb Soc., Double Star Circ. 24, 22, 2016
Ahd2020 Hg j Ahad, A. .
Ahd2020 Webb Soc., Double Star Circ. 28, 43, 2020
Ahd2020b C u Ahad, A. 2020JDSO...16..304A
Ahd2020b +E2 JDSO 16, 304, 2020
Ahd2020b +Pp
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18056+3618 AHD 1 2009 2 278 39.7 9.40 10.20 183936.20+361804.9
18056+3618 AHD 1 2010 9 278 39.7 9.55 10.39 F2 180536.21+361804.8
18056+3618 AHD 1 2015 15 278 39.8 9.55 10.39 F2 180536.21+361804.8

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

 
 
WDS 18056+3618 AHD 1 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18056+3618 AHD 1 : MEASURES
 
 
No records found.

 
 
WDS 18056+3618 : VIRTUAL EYEPIECE
 
 

18056+3618 AHD 1A mag 9.55 Sp F2 18056+3618 AHD 1B sep 32.2 P.A. 280.00 mag 10.39 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18056+3618 : ALADIN DSS IMAGE @ 18h 05m 36.21s +36° 18' 04.8"
 
 
 
 
WDS 18056+3618 AHD 1 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18056+3618 AHD 1 distance=0' 18050+3619 LDS4774 distance=8' 18043+3557 JOD 14 distance=27' 18080+3642 ES 183 distance=38' 18088+3638 KPP1404 distance=44' 18025+3643 ES 2479 distance=46' 18093+3547 ES 2170 distance=56' 18011+3558 POP 210AB distance=58' 18011+3558 CVE 2DE distance=59' 18011+3558 POP 210BC distance=59' 18058+3512 TDT 678 distance=66' 18056+3727 ES 2109AB distance=70' 18056+3727 DAM 306AC distance=70' 18056+3727 ES 2109AD distance=70' 18001+3600 UC 3467 distance=70' 18079+3514 UC 3499 distance=71' 17597+3624 OSO 91AB distance=72' 17597+3624 OSO 91AC distance=72' 18121+3559 ES 2171 distance=74' 18111+3544 JNN 116 distance=75' 18101+3713 ES 2480 distance=77' 18036+3731 COU1147 distance=77' 18017+3714 GCB 29 distance=78' 18090+3511 HO 80 distance=80' 18053+3750 ALI 608 distance=92' 18081+3449 POP 211 distance=93' 17587+3538 COU1002 distance=94' 17591+3716 J 755 distance=98' 18070+3440 ES 2286 distance=100' 18114+3506 ALI 140 distance=101' 17584+3524 COU1000 distance=103' 18053+3806 J 758 distance=107' 17574+3540 STF2257AB distance=107' 17574+3540 WAL 86AC distance=107' 18144+3602 HU 1188 distance=108' 18144+3636 TDT 757 distance=108' 18094+3756 ALI 609 distance=109' 18052+3430 CBL 74AB distance=109' 17574+3540 HO 73CD distance=109' 17574+3540 STF2256CE distance=109' 18121+3459 TDT 734 distance=112' 17561+3636 ES 2477 distance=113' 18031+3805 J 757 distance=114' 18094+3432 HU 1187 distance=116' 18028+3815 ALI 867 distance=122' 18157+3615 KPP4096 distance=123' 17595+3803 ES 2478 distance=124' 18063+3824 HU 1186 distance=127' 17578+3744 TOB 141 distance=127' 17594+3803 DAM 100 distance=129' 17596+3804 DAM 101 distance=129' 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 18056+3618 AHD 1 278 39.8
Show 18050+3619 LDS4774 268 302.4 8
Show 18043+3557 JOD 14 339 0.3 27
Show 18080+3642 ES 183 169 8.4 38
Show 18088+3638 KPP1404 352 10.5 44
Show 18025+3643 ES 2479 232 9.9 46
Show 18093+3547 ES 2170 259 7.6 56
Show 18011+3558 POP 210 AB 266 79.8 58
Show 18011+3558 CVE 2 DE 226 2.5 59
Show 18011+3558 POP 210 BC 135 2.9 59
Show 18058+3512 TDT 678 236 0.7 66
Show 18056+3727 ES 2109 AB 147 4.3 70
Show 18056+3727 DAM 306 AC 331 18.8 70
Show 18056+3727 ES 2109 AD 350 41.8 70
Show 18001+3600 UC 3467 278 42.4 70
Show 18079+3514 UC 3499 106 69.7 71
Show 17597+3624 OSO 91 AB 16 20.4 72
Show 17597+3624 OSO 91 AC 104 27.3 72
Show 18121+3559 ES 2171 68 4.0 74
Show 18111+3544 JNN 116 27 5.3 75
Show 18101+3713 ES 2480 355 4.5 77
Show 18036+3731 COU1147 175 0.7 77
Show 18017+3714 GCB 29 212 3.9 78
Show 18090+3511 HO 80 188 0.5 80
Show 18053+3750 ALI 608 175 13.3 92
Show 18081+3449 POP 211 292 2.9 93
Show 17587+3538 COU1002 164 0.9 94
Show 17591+3716 J 755 141 1.7 98
Show 18070+3440 ES 2286 176 5.4 100
Show 18114+3506 ALI 140 250 14.3 101
Show 17584+3524 COU1000 154 0.9 103
Show 18053+3806 J 758 124 3.2 107
Show 17574+3540 STF2257 AB 153 23.4 107
Show 17574+3540 WAL 86 AC 261 122.0 107
Show 18144+3602 HU 1188 119 1.9 108
Show 18144+3636 TDT 757 12 2.0 108
Show 18094+3756 ALI 609 207 13.3 109
Show 18052+3430 CBL 74 AB 245 11.2 109
Show 17574+3540 HO 73 CD 213 1.8 109
Show 17574+3540 STF2256 CE 350 9.1 109
Show 18121+3459 TDT 734 165 2.1 112
Show 17561+3636 ES 2477 5 6.8 113
Show 18031+3805 J 757 322 3.5 114
Show 18094+3432 HU 1187 77 2.1 116
Show 18028+3815 ALI 867 246 11.4 122
Show 18157+3615 KPP4096 76 1.5 123
Show 17595+3803 ES 2478 234 4.3 124
Show 18063+3824 HU 1186 134 0.2 127
Show 17578+3744 TOB 141 356 16.8 127
Show 17594+3803 DAM 100 138 8.3 129
Show 17596+3804 DAM 101 80 5.1 129

 
 
WDS 18056+3618 : COMPONENTS
 
 
  A
B pa=280.0°
sep=32.25"
 
 
18056+3618 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 180536.21+361804.8 Mag 9.55 Spectral class F2 (yellow-white)
PmRA -1.00 PmDE -16.0 Tycho2 2633-01920-1
Tycho2
Tycho2 2633-01920-1 Pflag RAmdeg 271.40085579 DEmdeg 36.30133771
PmRA -2.2 PmDE -17.6 E RAmdeg 12 E DEmdeg 12
E pmRA 2.0 E pmDE 1.9 EpRAm 1990.50 EpDEm 1990.49
Num 7 Q RAmdeg 1.3 Q DEmdeg 1.4 Q pmRA 1.4
Q pmDE 1.5 BTmag 9.867 E BTmag 0.023 VTmag 9.545
E VTmag 0.021 Prox 394 TYC T HIP
CCDM RAdeg 271.40086278 DEdeg 36.30137750 EpRA 1990 1.54
EpDE 1990 1.58 E RAdeg 11.9 E DEdeg 12.4 Posflg
Corr -0.1
 
 
18056+3618 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180533.58+361810.4 Mag 10.39 PmRA -13.00
PmDE -16.0 Tycho2 2633-01690-1 Calc delta mag 0.84 Calc coord yes
Tycho2
Tycho2 2633-01690-1 Pflag RAmdeg 271.38741232 DEmdeg 36.30291960
PmRA -7.7 PmDE -18.9 E RAmdeg 24 E DEmdeg 28
E pmRA 2.3 E pmDE 2.2 EpRAm 1987.28 EpDEm 1987.15
Num 7 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 11.767 E BTmag 0.073 VTmag 10.390
E VTmag 0.037 Prox 394 TYC T HIP
CCDM RAdeg 271.38742500 DEdeg 36.30296528 EpRA 1990 1.57
EpDE 1990 1.60 E RAdeg 30.3 E DEdeg 31.5 Posflg
Corr -0.1