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Doubles in session


Current system
18078+2606
STF 2280 AB
100 Her


Nearby doubles
26' : 18070+2544
KPP4084

43' : 18063+2643
TDT 683

47' : 18048+2630
TDT 666

48' : 18105+2536
TDT 723

55' : 18039+2558
SLE 88

63' : 18039+2639
HO 426

63' : 18032+2603
HO 565AB

67' : 18120+2640
BRT3329

67' : 18114+2519
A 238

71' : 18072+2716
SLE 110

72' : 18131+2602
LWR 14AB

73' : 18025+2619
HO 564AB

74' : 18115+2700
UC 3523

75' : 18047+2707
ES 471AB

75' : 18124+2649
TDT 735

77' : 18032+2522
BU 825AB

78' : 18088+2450
POU3352

79' : 18021+2620
SLE 90

79' : 18035+2515
HLM 10

81' : 18089+2725
SLE 111

85' : 18031+2702
TDT 653

85' : 18018+2631
SLE 107

90' : 18078+2437
OSW 28

91' : 18038+2455
SLE 91

92' : 18121+2455
POU3360

93' : 18010+2617
BU 1461



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18078+2606 STF 2280 AB (100 Her)

 
 
18h 07m 49.56s +26° 06' 04.4" P.A. 182.00 sep 14.3 mag 5.81,5.84 Sp A3V dist. 49.6 pc (161.8 l.y.)
 
 
Coord 2000 18078+2606 Discov num STF2280 Comp AB Coord arcsec 2000 18 07 49.56 +26 06 04.4
Date first 1777 Date last 2019 Obs 221
Pa first 180 Pa last 181.9 P.A. Now (θ) 181.9°
Sep first 17.0 Sep last 14.341 Sep. Now (ρ) 14.341"
Mag pri 5.81 Mag sec 5.84 delta mag (ΔM) 0.03 Spectral class A3V (white)
Pri motion ra -002 Sec motion ra -011
Pri motion dec +024 Sec motion dec +030
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.339
This double is not physical.
 
 
18078+2606 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 85753 18 07 50 +26 06 04 CHR 67 Aa,Ab 2021 18 300 0.1 5.90 8.80 2.90 Y
Show 100 Her 85753 18 07 50 +26 06 04 STF 2280 AB 2019 221 182 14.3 5.81 5.84 0.03 <===
Show 85753 18 07 50 +26 06 04 STF 2280 AC 2000 5 127 79.9 5.87 11.80 5.93
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 100 Her Var name NSV10253 Her Constellation Hercules SAO 85753
HIP 88818 Tycho2 2095-03225-1 Gaia DR2 4579990675911466624 HD 166045
HR 6781 GC 24720 ADS 11089 BD BD+26 3178
Flamsteed 100 Herculis Flamsteed name 100 Her Distance 49.6 Distance ly 161.8
 
 
WDS 18078+2606 STF 2280 AB (100 Her) : NOTES
 
 
discov_num notes refcode
CHR 67 100 Her. One component is variable.
STF2280 AB: H 3 41. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
3 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18078+2606 STF2280 AB 2007 183 183 14.2 5.81 5.84 A3V D 180749.56+260604.4
18078+2606 STF2280 AB 2008 184 183 14.2 5.81 5.84 A3V D 180749.56+260604.4
18078+2606 STF2280 AB 2010 195 183 14.2 5.81 5.84 A3V N D 180749.56+260604.4
18078+2606 STF2280 AB 2011 198 183 14.2 5.81 5.84 A3V NUD 180749.56+260604.4
18078+2606 STF2280 AB 2012 201 183 14.6 5.81 5.84 A3V NUD 180749.56+260604.4
18078+2606 STF2280 AB 2013 204 183 14.4 5.81 5.84 A3V NUD 180749.56+260604.4
18078+2606 STF2280 AB 2014 205 183 14.3 5.81 5.84 A3V NUD 180749.56+260604.4
18078+2606 STF2280 AB 2015 210 183 14.4 5.81 5.84 A3V NU 180749.56+260604.4
18078+2606 STF2280 AB 2016 215 183 14.4 5.81 5.84 A3V NU 180749.56+260604.4
18078+2606 STF2280 AB 2017 218 183 14.4 5.81 5.84 A3V NU 180749.56+260604.4
18078+2606 STF2280 AB 2018 219 183 14.3 5.81 5.84 A3V NU 180749.56+260604.4
18078+2606 STF2280 AB 2019 220 183 14.3 5.81 5.84 A3V NU 180749.56+260604.4

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

 
 
WDS 18078+2606 STF 2280 AB (100 Her) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/05/24 Daedalus1 mean difficulty separated 185   Very evenly matched.

 
 
WDS 18078+2606 STF 2280 AB (100 Her) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/05/24 Daedalus1 mean difficulty 14.35 0.08 185.00 0.00 0.03 12 Pickering 5, poor
 
 
WDS 18078+2606 (100 Her) : VIRTUAL EYEPIECE
 
 

18078+2606 STF2280A mag 5.81 Sp A3V 18078+2606 CHR 67Ab sep 0.1 P.A. 302.70 mag 8.8 18078+2606 STF2280B sep 14.3 P.A. 181.70 mag 5.84 18078+2606 STF2280C sep 74.7 P.A. 129.60 mag 11.8 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 18078+2606 (100 Her) : ALADIN DSS IMAGE @ 18h 07m 49.56s +26° 06' 04.4"
 
 
 
 
WDS 18078+2606 STF 2280 AB (100 Her) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18078+2606 STF2280AB distance=0' 18070+2544 KPP4084 distance=26' 18063+2643 TDT 683 distance=43' 18048+2630 TDT 666 distance=47' 18105+2536 TDT 723 distance=48' 18039+2558 SLE 88 distance=55' 18039+2639 HO 426 distance=63' 18032+2603 HO 565AB distance=63' 18032+2603 HO 565AC distance=63' 18120+2640 BRT3329 distance=67' 18114+2519 A 238 distance=67' 18072+2716 SLE 110 distance=71' 18131+2602 LWR 14AB distance=72' 18131+2602 LWR 14AC distance=72' 18131+2602 BWL 48AD distance=72' 18025+2619 HO 564AB distance=73' 18025+2619 HO 564AC distance=73' 18025+2619 HO 564AD distance=73' 18025+2619 HO 564AE distance=73' 18025+2619 HO 564AF distance=73' 18115+2700 UC 3523 distance=74' 18047+2707 ES 471AB distance=75' 18047+2707 ES 471AC distance=75' 18047+2707 SLE 106AD distance=75' 18047+2707 SLE 106AE distance=75' 18047+2707 SLE 106AF distance=75' 18124+2649 TDT 735 distance=75' 18032+2522 BU 825AB distance=77' 18032+2522 STF2268AC distance=77' 18032+2522 BU 825BC distance=77' 18088+2450 POU3352 distance=78' 18021+2620 SLE 90 distance=79' 18035+2515 HLM 10 distance=79' 18089+2725 SLE 111 distance=81' 18031+2702 TDT 653 distance=85' 18018+2631 SLE 107 distance=85' 18078+2437 OSW 28 distance=90' 18038+2455 SLE 91 distance=91' 18121+2455 POU3360 distance=92' 18010+2617 BU 1461 distance=93' 18033+2457 TDT 654 distance=93' 18089+2435 HDS2558 distance=93' 18088+2434 COU 504 distance=95' 18065+2433 POU3347 distance=95' 18009+2633 STF2263 distance=97' 18121+2448 POU3358AB distance=97' 18121+2448 FYM 266AC distance=97' 18073+2429 TDT 693 distance=98' 18083+2745 LDS4776 distance=99' 18009+2646 TDT 635 distance=101' 18103+2430 POU3355 distance=102' 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 18078+2606 CHR 67 Aa,Ab 300 0.1
Show 18078+2606 STF2280 AB 182 14.3
Show 18078+2606 STF2280 AC 127 79.9
Show 18070+2544 KPP4084 253 5.9 26
Show 18063+2643 TDT 683 167 0.8 43
Show 18048+2630 TDT 666 36 0.8 47
Show 18105+2536 TDT 723 232 0.5 48
Show 18039+2558 SLE 88 339 3.8 55
Show 18039+2639 HO 426 230 11.7 63
Show 18032+2603 HO 565 AB 111 0.1 63
Show 18032+2603 HO 565 AC 323 100.0 63
Show 18120+2640 BRT3329 238 4.6 67
Show 18114+2519 A 238 72 0.6 67
Show 18072+2716 SLE 110 115 10.8 71
Show 18131+2602 LWR 14 AB 226 1.5 72
Show 18131+2602 LWR 14 AC 100 10.0 72
Show 18131+2602 BWL 48 AD 262 4.1 72
Show 18025+2619 HO 564 AB 326 98.5 73
Show 18025+2619 HO 564 AC 21 92.9 73
Show 18025+2619 HO 564 AD 56 110.6 73
Show 18025+2619 HO 564 AE 339 57.7 73
Show 18025+2619 HO 564 AF 63 112.4 73
Show 18115+2700 UC 3523 266 47.6 74
Show 18047+2707 ES 471 AB 274 24.3 75
Show 18047+2707 ES 471 AC 44 24.3 75
Show 18047+2707 SLE 106 AD 244 88.5 75
Show 18047+2707 SLE 106 AE 43 183.4 75
Show 18047+2707 SLE 106 AF 340 129.9 75
Show 18124+2649 TDT 735 187 2.3 75
Show 18032+2522 BU 825 AB 185 16.8 77
Show 18032+2522 STF2268 AC 202 24.5 77
Show 18032+2522 BU 825 BC 231 9.6 77
Show 18088+2450 POU3352 301 3.4 78
Show 18021+2620 SLE 90 266 13.3 79
Show 18035+2515 HLM 10 2 30.0 79
Show 18089+2725 SLE 111 313 14.7 81
Show 18031+2702 TDT 653 26 0.7 85
Show 18018+2631 SLE 107 205 13.3 85
Show 18078+2437 OSW 28 156 78.3 90
Show 18038+2455 SLE 91 350 11.5 91
Show 18121+2455 POU3360 297 6.0 92
Show 18010+2617 BU 1461 185 23.0 93
Show 18033+2457 TDT 654 85 0.8 93
Show 18089+2435 HDS2558 161 0.1 93
Show 18088+2434 COU 504 76 2.1 95
Show 18065+2433 POU3347 134 12.1 95
Show 18009+2633 STF2263 158 7.7 97
Show 18121+2448 POU3358 AB 115 3.7 97
Show 18121+2448 FYM 266 AC 244 15.3 97
Show 18073+2429 TDT 693 251 0.5 98
Show 18083+2745 LDS4776 300 208.0 99

 
 
WDS 18078+2606 : COMPONENTS
 
 
  A Ab B
Ab pa=302.7°
sep=0.13"
 
B pa=181.7°
sep=14.34"
pa=181.3°
sep=14.41"
 
C pa=129.6°
sep=74.73"
pa=129.6°
sep=74.86"
pa=119.8°
sep=66.89"
 
 
18078+2606 A
 
 
Name 100 Her Coord arcsec 2000 180749.56+260604.4 Mag 5.81 Spectral class A3V (white)
PmRA -2.00 PmDE 24.0 SAO 85753 HIP 88818
Tycho2 2095-03225-1 HD 166045 HR 6781 GC 24721
BD BD+26 3178 Flamsteed 100 Herculis Flamsteed name 100 Her
Tycho2
Tycho2 2095-03225-1 Pflag RAmdeg 271.95626420 DEmdeg 26.09733430
PmRA -10.2 PmDE 26.4 E RAmdeg 4 E DEmdeg 3
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.46 EpDEm 1991.66
Num 5 Q RAmdeg 2.0 Q DEmdeg 1.3 Q pmRA 1.9
Q pmDE 1.4 BTmag 5.957 E BTmag 0.014 VTmag 5.811
E VTmag 0.009 Prox 142 TYC T HIP 88817
CCDM B RAdeg 271.95629111 DEdeg 26.09727333 EpRA 1990 1.51
EpDE 1990 1.69 E RAdeg 3.5 E DEdeg 3.4 Posflg
Corr 0.0
SAO
SAO 85753 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 0.033 Vmag 5.9 SpType A3
Double code Source 70 CatNum 24721 DM BD+26 3178
DMcomp A BDsup HD 166045 M HD 0
GC 24721 RA1950rad 4.73773223 DE1950rad 0.45540251 PmRA2000 -0.0005
PmDE2000 0.033
Hipparcos
Catalog H HIP 88818 Proxy RAhms 18 07 49.56
DEdms +26 06 04.4 Vmag 5.83 VarFlag R Vmag H
RAdeg 271.957 DEdeg 26.1012 AstroRef A Plx 14.27
CCDM 18079+2606 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD 166045 BD BD+26 3178
CD CP Dm number +26 3178 VIred 0.15
SpType A3V R SpType Coord arcsec 2000 180749.56+260604.4
Hipparcos 2
HIP 88818 Sn 95 So 3 Nc 1
RArad 4.7465364541 DErad 0.4555522299 Plx 20.16 PmRA -4.98
PmDE 21.94 E RArad 1.67 E DErad 2.43 E Plx 3.27
E pmRA 2.25 E pmDE 3.2 Hpmag 5.9509 E Hpmag 0.0236
SHp 0 VA 0 BV 0.158 E BV 0.004
VI 0.17
 
 
18078+2606 Ab
 
 
Coord arcsec 2000 180749.55+260604.5 Mag 8.8 Calc delta mag 2.9 Calc coord yes
 
 
18078+2606 B
 
 
Coord arcsec 2000 180749.53+260550.1 Mag 5.84 PmRA -11.00 PmDE 30.0
SAO 85752 HIP 88817 Tycho2 2095-03224-1 HD 166046
HR 6782 GC 24720 Flamsteed 100 Herculis Flamsteed name 100 Her
Calc delta mag 0.06 Calc coord yes
Tycho2
Tycho2 2095-03224-1 Pflag RAmdeg 271.95649074 DEmdeg 26.10128647
PmRA -6.6 PmDE 27.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.39 EpDEm 1991.47
Num 13 Q RAmdeg 1.2 Q DEmdeg 2.0 Q pmRA 1.3
Q pmDE 2.0 BTmag 6.007 E BTmag 0.014 VTmag 5.839
E VTmag 0.009 Prox 142 TYC T HIP 88818
CCDM A RAdeg 271.95650806 DEdeg 26.10122222 EpRA 1990 1.59
EpDE 1990 1.68 E RAdeg 3.5 E DEdeg 3.5 Posflg
Corr 0.1
SAO
SAO 85752 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 0.033 Vmag 6 SpType A3
Double code Source 70 CatNum 24720 DM BD+26 3178
DMcomp B BDsup HD 166046 M HD 0
GC 24720 RA1950rad 4.73772998 DE1950rad 0.45533256 PmRA2000 -0.0002
PmDE2000 0.033
Hipparcos
Catalog H HIP 88817 Proxy RAhms 18 07 49.51
DEdms +26 05 50.2 Vmag 5.79 VarFlag R Vmag H
RAdeg 271.956 DEdeg 26.0973 AstroRef B Plx 19.65
CCDM 18079+2606 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 166046 BD
CD CP Dm number VIred 0.13
SpType A3V R SpType Coord arcsec 2000 180749.51+260550.2
Hipparcos 2
HIP 88817 Sn 95 So 3 Nc 1
RArad 4.7465326952 DErad 0.4554832485 Plx 25.92 PmRA -6.36
PmDE 26.54 E RArad 2.33 E DErad 3.3 E Plx 4.43
E pmRA 3.06 E pmDE 4.27 Hpmag 5.8356 E Hpmag 0.0223
SHp 0.146 VA 0 BV 0.127 E BV 0.004
VI 0.14
 
 
18078+2606 C
 
 
Coord arcsec 2000 180753.84+260516.8 Mag 11.8 Calc delta mag 5.9 Calc coord yes