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Current system
16492+4559
BU 627 A,BC
52 Her


Nearby doubles
15' : 16492+4544
KZA 115

18' : 16509+4601
KZA 117

20' : 16510+4605
A 1867

21' : 16489+4619
CVR 841

22' : 16494+4620
KZA 116

22' : 16513+4604
KZA 118

23' : 16477+4615
KZA 114AB

24' : 16485+4536
UC 3236

37' : 16511+4631
LDS4699

39' : 16527+4547
CVR1678

40' : 16529+4608
A 1869AB

41' : 16468+4528
KZA 112

43' : 16473+4637
KZA 113

44' : 16534+4601
KZA 120

53' : 16443+4551
KZA 111

55' : 16518+4511
KZA 119

59' : 16462+4649
A 1865

62' : 16490+4458
KPP1251

62' : 16523+4652
TDT 123

63' : 16435+4544
KZA 109AB

65' : 16436+4533
CVR1671

66' : 16523+4656
CVR 845

71' : 16547+4518
KZA 121AB

73' : 16545+4511
CVR 852

74' : 16544+4650
CVR 850

76' : 16509+4445
COU1592



Selections
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Binary Systems
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Quadruple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16492+4559 BU 627 A,BC (52 Her)

 
 
16h 49m 14.21s +45° 58' 59.9" P.A. 44.00 sep 2.2 mag 4.84,8.45 Sp A1V dist. 55.25 pc (180.23 l.y.)
 
 
Coord 2000 16492+4559 Discov num BU  627 Comp A,BC Coord arcsec 2000 16 49 14.21 +45 58 59.9
Date first 1878 Date last 2018 Obs 81
Pa first 309 Pa last 43.6 P.A. Now (θ) 43.6°
Sep first 1.8 Sep last 2.22 Sep. Now (ρ) 2.22"
Mag pri 4.84 Mag sec 8.45 delta mag (ΔM) 3.61 Spectral class A1V (white)
Pri motion ra +022 Sec motion ra +023
Pri motion dec -056 Sec motion dec -051
Notes N O (See Notes, Orbital solution)
rPM=0.085 (< 0.3, Physical double)
This double is physical.
 
 
16492+4559 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 52 Her 46305 16 49 14 +45 58 60 BU 627 A,BC 2018 81 44 2.2 4.84 8.45 3.61 Y <===
Show 46305 16 49 14 +45 58 60 BU 627 AD 2003 6 236 65.2 4.84 12.49 7.65
Show 46305 16 49 14 +45 58 60 BU 627 AE 2020 6 270 147.6 4.84 12.66 7.82
Show 46305 16 49 14 +45 58 60 KZA 123 AF 2003 3 253 91.6 4.84 14.01 9.17
Show 46305 16 49 14 +45 59 00 A 1866 BC 2013 47 267 0.3 9.50 9.60 0.10 Y
Sextuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 52 Her Var name V637 Her Constellation Hercules SAO 46305
HIP 82321 Tycho2 3500-02419-1 Gaia DR2 1407474737249092608 HD 152107
HR 6254 GC 22662 ADS 10227 BD BD+46 2220
Flamsteed 52 Herculis Flamsteed name 52 Her Distance 55.25 Distance ly 180.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)870.727y± 393.7644 Periastron (T)2062.7195y± 65.6656 Semi-major axis (a)5.76394a± 2.75301
Eccentricity (e)0.77916± 0.28945 Inclination (i)76.637°± 10.92 Longitude of periastron (ω)58.851°± 40.01
Node (Ω)58°± 14.655 Notesn ReferenceIzm2019
Equinox Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 31.5 1.885
2001 32.1 1.894
2002 32.6 1.902
2003 33.2 1.911
2004 33.7 1.919
2005 34.2 1.927
2006 34.8 1.935
2007 35.3 1.942
2008 35.8 1.950
2009 36.3 1.957
2010 36.9 1.964
2011 37.4 1.970
2012 37.9 1.977
2013 38.4 1.983
2014 38.9 1.988
2015 39.4 1.994
2016 39.9 1.999
2017 40.4 2.003
2018 40.9 2.007
2019 41.4 2.011
2020 41.9 2.014
2021 42.4 2.017
2022 42.9 2.019
2023 43.3 2.020
2024 43.8 2.021
2025 44.3 2.021
2026 44.8 2.021
2027 45.3 2.020
2028 45.8 2.017
2029 46.3 2.014
2030 46.8 2.010


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds16492%2B4559e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16492+4559 BU 627 A,BC (52 Her) : NOTES
 
 
discov_num notes refcode
BU 627 52 Her. Star A (mag 4.9, A3p) is an Alpha CVn-type variable, V637 Her. Fat1941
The magnitudes of B and C are quite uncertain.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Fat1941 Ma - Fatou, P. 1941JO.....24...29F
Fat1941 J. Obs. 24, 29, 1941
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 BU Burnham, S.W. (BU 1 - 81)
490 KZA Kazeza, S.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16492+4559 BU 627 A,BC 1997 54 33 2.2 4.84 8.45 A1V N D 164914.21+455859.9
16492+4559 BU 627 A,BC 2008 58 38 2.1 4.84 8.45 A1V N D 164914.21+455859.9
16492+4559 BU 627 A,BC 2009 61 34 1.8 4.84 8.45 A1V N D 164914.21+455859.9
16492+4559 BU 627 A,BC 2012 64 38 2.0 4.84 8.45 A1V NOD 164914.21+455859.9
16492+4559 BU 627 A,BC 2014 73 35 1.9 4.84 8.45 A1V NO 164914.21+455859.9
16492+4559 BU 627 A,BC 2017 74 43 2.1 4.84 8.45 A1V NO 164914.21+455859.9
16492+4559 BU 627 A,BC 2018 76 44 2.2 4.84 8.45 A1V NO 164914.21+455859.9

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

 
 
WDS 16492+4559 BU 627 A,BC (52 Her) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16492+4559 BU 627 A,BC (52 Her) : MEASURES
 
 
No records found.

 
 
WDS 16492+4559 (52 Her) : VIRTUAL EYEPIECE
 
 

16492+4559 BU 627A mag 4.84 Sp A1V 16492+4559 A 1866B sep 0.5 P.A. 348.20 mag 9.5 Sp A2Vspe... 16492+4559 A 1866C sep 0.6 P.A. 327.20 mag 9.6 16492+4559 BU 627D sep 52.4 P.A. 225.40 mag 12.49 16492+4559 BU 627E sep 52.4 P.A. 225.40 mag 12.66 Sp K8III 16492+4559 KZA 123F sep 66.5 P.A. 246.10 mag 14.01 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 16492+4559 (52 Her) : ALADIN DSS IMAGE @ 16h 49m 14.21s +45° 58' 59.9"
 
 
 
 
WDS 16492+4559 BU 627 A,BC (52 Her) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16492+4559 BU 627A,BC distance=0' 16492+4559 A 1866BC distance=1' 16492+4544 KZA 115 distance=15' 16509+4601 KZA 117 distance=18' 16510+4605 A 1867 distance=20' 16489+4619 CVR 841 distance=21' 16494+4620 KZA 116 distance=22' 16513+4604 KZA 118 distance=22' 16477+4615 KZA 114AB distance=23' 16477+4615 KZA 114AC distance=23' 16477+4615 KZA 114AD distance=23' 16477+4615 KZA 114AE distance=23' 16485+4536 UC 3236 distance=24' 16511+4631 LDS4699 distance=37' 16527+4547 CVR1678 distance=39' 16529+4608 A 1869AB distance=40' 16529+4608 GII 237Aa,Ab distance=40' 16468+4528 KZA 112 distance=41' 16473+4637 KZA 113 distance=43' 16534+4601 KZA 120 distance=44' 16443+4551 KZA 111 distance=53' 16518+4511 KZA 119 distance=55' 16462+4649 A 1865 distance=59' 16490+4458 KPP1251 distance=62' 16523+4652 TDT 123 distance=62' 16435+4544 KZA 109AB distance=63' 16435+4544 KZA 109AC distance=63' 16436+4533 CVR1671 distance=65' 16523+4656 CVR 845 distance=66' 16547+4518 KZA 121AB distance=71' 16547+4518 KZA 121AC distance=71' 16547+4518 KZA 121AD distance=71' 16545+4511 CVR 852 distance=73' 16544+4650 CVR 850 distance=74' 16509+4445 COU1592 distance=76' 16547+4655 FMR 128 distance=80' 16440+4459 KZA 110AB distance=82' 16440+4459 KZA 110AC distance=82' 16572+4605 CVR1682 distance=84' 16560+4643 KZA 122AB distance=84' 16560+4643 KZA 122AC distance=84' 16455+4446 A 1864 distance=84' 16566+4505 ES 2655 distance=95' 16440+4442 FMR 228AB distance=95' 16440+4442 RAO 355Aa,Ab distance=95' 16533+4725 CHR 58 distance=96' 16579+4523 ES 1254 distance=99' 16575+4649 TDT 158 distance=100' 16578+4650 A 1873 distance=103' 16530+4424 STT 317AB distance=103' 16530+4424 STT 317AC distance=103' 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 16492+4559 BU 627 AD 236 65.2
Show 16492+4559 BU 627 AE 270 147.6
Show 16492+4559 KZA 123 AF 253 91.6
Show 16492+4559 BU 627 A,BC 44 2.2
Show 16492+4559 A 1866 BC 267 0.3 1
Show 16492+4544 KZA 115 288 30.9 15
Show 16509+4601 KZA 117 326 8.3 18
Show 16510+4605 A 1867 264 1.8 20
Show 16489+4619 CVR 841 202 12.3 21
Show 16494+4620 KZA 116 293 13.3 22
Show 16513+4604 KZA 118 237 32.6 22
Show 16477+4615 KZA 114 AB 247 37.6 23
Show 16477+4615 KZA 114 AC 239 60.5 23
Show 16477+4615 KZA 114 AD 212 68.5 23
Show 16477+4615 KZA 114 AE 229 80.8 23
Show 16485+4536 UC 3236 16 35.7 24
Show 16511+4631 LDS4699 22 2.9 37
Show 16527+4547 CVR1678 66 4.6 39
Show 16529+4608 A 1869 AB 221 2.1 40
Show 16529+4608 GII 237 Aa,Ab 33 0.4 40
Show 16468+4528 KZA 112 351 38.3 41
Show 16473+4637 KZA 113 157 21.0 43
Show 16534+4601 KZA 120 79 10.8 44
Show 16443+4551 KZA 111 93 12.5 53
Show 16518+4511 KZA 119 120 20.5 55
Show 16462+4649 A 1865 294 4.5 59
Show 16490+4458 KPP1251 35 9.6 62
Show 16523+4652 TDT 123 249 2.3 62
Show 16435+4544 KZA 109 AB 180 58.4 63
Show 16435+4544 KZA 109 AC 189 80.2 63
Show 16436+4533 CVR1671 157 3.6 65
Show 16523+4656 CVR 845 222 10.5 66
Show 16547+4518 KZA 121 AB 181 43.6 71
Show 16547+4518 KZA 121 AC 251 50.1 71
Show 16547+4518 KZA 121 AD 220 108.9 71
Show 16545+4511 CVR 852 194 12.7 73
Show 16544+4650 CVR 850 191 18.9 74
Show 16509+4445 COU1592 226 0.6 76
Show 16547+4655 FMR 128 222 9.1 80
Show 16440+4459 KZA 110 AB 145 17.2 82
Show 16440+4459 KZA 110 AC 265 206.9 82
Show 16572+4605 CVR1682 90 4.3 84
Show 16560+4643 KZA 122 AB 261 79.9 84
Show 16560+4643 KZA 122 AC 239 142.2 84
Show 16455+4446 A 1864 127 0.2 84
Show 16566+4505 ES 2655 67 47.6 95
Show 16440+4442 FMR 228 AB 189 178.1 95
Show 16440+4442 RAO 355 Aa,Ab 47 0.2 95
Show 16533+4725 CHR 58 132 0.2 96
Show 16579+4523 ES 1254 134 5.0 99
Show 16575+4649 TDT 158 5 0.6 100

 
 
WDS 16492+4559 : COMPONENTS
 
 
  A B C D E
B pa=348.2°
sep=0.51"
 
C pa=327.2°
sep=0.58"
pa=266.0°
sep=0.21"
 
D pa=225.4°
sep=52.44"
pa=225.0°
sep=52.72"
pa=224.8°
sep=52.56"
 
E pa=0.0°
sep=0.00"
pa=269.7°
sep=102.42"
pa=269.7°
sep=102.22"
pa=299.5°
sep=74.86"
 
F pa=246.1°
sep=66.50"
pa=245.7°
sep=66.61"
pa=245.6°
sep=66.41"
pa=292.9°
sep=25.45"
pa=122.8°
sep=49.66"
 
 
16492+4559 A
 
 
Name 52 Her Var name V637 Her Coord arcsec 2000 164914.21+455859.9 Mag 4.84
Spectral class A1V (white) PmRA 22.00 PmDE -56.0 Tycho2 3500-02419-1
Flamsteed 52 Herculis Flamsteed name 52 Her
Tycho2
Tycho2 3500-02419-1 Pflag RAmdeg 252.30924140 DEmdeg 45.98331218
PmRA 22.1 PmDE -56.1 E RAmdeg 3 E DEmdeg 3
E pmRA 2.0 E pmDE 2.1 EpRAm 1991.59 EpDEm 1991.57
Num 3 Q RAmdeg 0.0 Q DEmdeg 1.3 Q pmRA 0.0
Q pmDE 1.4 BTmag 4.935 E BTmag 0.014 VTmag 4.838
E VTmag 0.009 Prox 18 TYC T HIP 82321
CCDM A RAdeg 252.30916722 DEdeg 45.98344333 EpRA 1990 1.61
EpDE 1990 1.59 E RAdeg 3.3 E DEdeg 3.3 Posflg P
Corr 0.0
CCDM
Ccdm 16492+4559 RComp Comp A Note1
Note2 Discov num DRAs 2.20 DDEs -0.6
R dRAs 47 Year Theta Rho
Obs 6 Vmag 4.9 Sp A2 PmNote *
PmRA 20 PmDE -57 Dm number +46 2220 Cat1 BD
Name2 +46 1202 Cat2 AGK2/3 HD 152107 M HD
ADS BDS A10227 M ADS BDS N IDS IDS 16463N4609A
HIC 82321
 
 
16492+4559 B
 
 
Coord arcsec 2000 164914.20+455900.4 Mag 9.5 Spectral class A2Vspe... (white) PmRA 23.00
PmDE -51.0 SAO 46305 HIP 82321 HD 152107
HR 6254 GC 22662 BD BD+46 2220 Flamsteed 52 Herculis
Flamsteed name 52 Her Calc delta mag 4.66
SAO
SAO 46305 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.057 Vmag 4.9 SpType A2p
Double code Source 70 CatNum 22662 DM BD+46 2220
DMcomp BDsup HD 152107 M HD 0
GC 22662 RA1950rad 4.39722946 DE1950rad 0.80406377 PmRA2000 0.0025
PmDE2000 -0.055
Hipparcos
Catalog H HIP 82321 Proxy H RAhms 16 49 14.20
DEdms +45 59 00.4 Vmag 4.82 VarFlag R Vmag G
RAdeg 252.309 DEdeg 45.9834 AstroRef A Plx 18.62
CCDM 16492+4559 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 26 Rho 1.782 HD 152107 BD BD+46 2220
CD CP Dm number +46 2220 VIred 0.1
SpType A2p... R SpType Coord arcsec 2000 164914.20+455900.4
Hipparcos 2
HIP 82321 Sn 15 So 3 Nc 2
RArad 4.403625638 DErad 0.802562562 Plx 18.1 PmRA 22.57
PmDE -51.35 E RArad 0.31 E DErad 0.31 E Plx 0.34
E pmRA 0.36 E pmDE 0.36 Hpmag 4.8394 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.087 E BV 0.003
VI 0.1
CCDM
Ccdm 16492+4559 RComp Comp B Note1
Note2 Discov num BU 627 DRAs DDEs
R dRAs Year 1958 Theta 010 Rho 1.8
Obs 99 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10227 M ADS BDS N IDS IDS 16463N4609B
HIC 82321
 
 
16492+4559 C
 
 
Coord arcsec 2000 164914.18+455900.4 Mag 9.6 PmRA 23.00 PmDE -51.0
Calc delta mag 4.76 Calc coord yes
CCDM
Ccdm 16492+4559 RComp B Comp C Note1 *
Note2 Discov num A 1866 DRAs DDEs
R dRAs Year 1908 Theta Rho
Obs 26 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10227 M ADS BDS N IDS IDS 16463N4609C
HIC 82321
 
 
16492+4559 D
 
 
Coord arcsec 2000 164910.63+455823.1 Mag 12.49 PmRA -14.00 PmDE 11.0
Calc delta mag 7.65 Calc coord yes
CCDM
Ccdm 16492+4559 RComp Comp D Note1
Note2 Discov num BU 627 DRAs -2.93 DDEs -36.9
R dRAs 47 Year 1911 Theta 230 Rho 66.2
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10227 M ADS BDS N IDS IDS 16463N4609D
HIC
 
 
16492+4559 E
 
 
Coord arcsec 2000 164904.37+455859.9 Mag 12.66 Spectral class K8III (yellow-orange) PmRA -2.00
PmDE -4.0 Calc delta mag 7.82 Calc coord yes
CCDM
Ccdm 16492+4559 RComp Comp E Note1
Note2 Discov num BU 627 DRAs -11.83 DDEs -0.8
R dRAs 65 Year 1911 Theta 269 Rho 145.7
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10227 M ADS BDS N IDS IDS 16463N4609E
HIC
 
 
16492+4559 F
 
 
Coord arcsec 2000 164908.38+455833.0 Mag 14.01 PmRA -9.00 PmDE -8.0
Calc delta mag 9.17 Calc coord yes
CCDM
Ccdm 16492+4559 RComp Comp F Note1
Note2 Discov num KZA DRAs -7.09 DDEs -27.3
R dRAs 47 Year 1984 Theta 254 Rho 100.4
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 16463N4609
HIC