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Doubles in session


Current system
23078+6338
HU 994
HD 218537


Nearby doubles
19' : 23071+6321
BHJ 77AB

21' : 23061+6356
LAF 71AB

23' : 23111+6339
STI1149

23' : 23052+6323
KR 62

27' : 23047+6321
STI1137

27' : 23048+6321
PET 26

29' : 23040+6324
HDS3287AB

34' : 23048+6405
MLR 70

35' : 23108+6315
MLB 181

36' : 23027+6348
TDT3853

40' : 23126+6315
FYM 308

41' : 23020+6348
FRK 12

41' : 23060+6259
STI1142

44' : 23131+6314
STI1152

45' : 23027+6408
HU 1200

50' : 23024+6413
MLR 69

52' : 23105+6250
TDT3914

52' : 23110+6251
HDS3304

59' : 22591+6335
TDT3825

59' : 23073+6239
TDS1202

60' : 23057+6240
TDT3881

61' : 23127+6317
SKF2185AB

62' : 22586+6342
HDS3270

63' : 23082+6236
PET 27

64' : 23164+6407
BU 992

65' : 23009+6253
HDS3276



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.

23078+6338 HU 994 (HD 218537)

 
 
23h 07m 47.74s +63° 38' 00.5" P.A. 316.00 sep 0.2 mag 7.16,6.87 Sp B3V dist. 409.84 pc (1336.9 l.y.)
 
 
Coord 2000 23078+6338 Discov num HU  994 Comp Coord arcsec 2000 23 07 47.74 +63 38 00.5
Date first 1904 Date last 2011 Obs 60
Pa first 306 Pa last 315.6 P.A. Now (θ) 326°
Sep first 0.2 Sep last 0.211 Sep. Now (ρ) 0.13"
Mag pri 7.16 Mag sec 6.87 delta mag (ΔM) 0.29 Spectral class B3V (blue-white)
Pri motion ra +011 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 218537 Constellation Cepheus SAO 20439 HIP 114212
Tycho2 4282-00541-1 Gaia DR2 2207675110694474752 HD 218537 HR 8808
GC 32228 ADS 16530 BD BD+62 2171 Distance 409.84
Distance ly 1336.9
 
 
ORBITAL ELEMENTS
 
 
Period (P)237.7y Periastron (T)1967.4y Semi-major axis (a)0.281a
Eccentricity (e)0.289 Inclination (i)82.1° Longitude of periastron (ω)128.4°
Node (Ω)129.6° Notesn ReferenceDoc2013c
Equinox2000 Last observation2008 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 313.9 0.216
2001 314.3 0.214
2002 314.6 0.212
2003 315.0 0.209
2004 315.3 0.207
2005 315.7 0.204
2006 316.1 0.201
2007 316.5 0.198
2008 316.9 0.194
2009 317.3 0.191
2010 317.8 0.187
2011 318.2 0.184
2012 318.7 0.180
2013 319.2 0.176
2014 319.7 0.172
2015 320.3 0.167
2016 320.8 0.163
2017 321.5 0.159
2018 322.1 0.154
2019 322.8 0.149
2020 323.5 0.145
2021 324.3 0.140
2022 325.1 0.135
2023 326.0 0.130
2024 327.0 0.125
2025 328.0 0.121
2026 329.1 0.116
2027 330.4 0.111
2028 331.7 0.106
2029 333.2 0.101
2030 334.8 0.096


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


 
  


wds23078%2B6338a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23078+6338 HU 994 (HD 218537) : NOTES
 
 
discov_num notes refcode
HU 994 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 98.34 +/- 19.03, 12.26, and 6.92 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Doc2013c orb - Docobo, J.A. & Campo, P. 2013IAUDS.179R...1D
Doc2013c Inf. Circ. 179, 1, 2013
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23078+6338 HU 994 2005 54 136 0.2 7.16 6.87 B3V NO 230747.74+633800.5
23078+6338 HU 994 2006 55 315 0.2 7.16 6.87 B3V NO 230747.74+633800.5
23078+6338 HU 994 2008 58 319 0.2 7.16 6.87 B3V NO 230747.74+633800.5
23078+6338 HU 994 2011 59 316 0.2 7.16 6.87 B3V NO 230747.74+633800.5

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

 
 
WDS 23078+6338 HU 994 (HD 218537) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23078+6338 HU 994 (HD 218537) : MEASURES
 
 
No records found.

 
 
WDS 23078+6338 (HD 218537) : VIRTUAL EYEPIECE
 
 

23078+6338 HU 994A mag 7.16 Sp B3V 23078+6338 HU 994B sep 0.2 P.A. 336.50 mag 6.87 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 23078+6338 (HD 218537) : ALADIN DSS IMAGE @ 23h 07m 47.74s +63° 38' 00.5"
 
 
 
 
WDS 23078+6338 HU 994 (HD 218537) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23078+6338 HU 994 distance=0' 23071+6321 LDS6007BC distance=19' 23071+6321 BHJ 77AB distance=19' 23061+6356 LAF 71AB distance=21' 23061+6356 LAF 71AC distance=21' 23061+6356 LAF 71AD distance=21' 23061+6356 LAF 71AE distance=21' 23061+6356 LAF 71AF distance=21' 23061+6356 LAF 71AG distance=21' 23061+6356 LAF 71AH distance=21' 23061+6356 LAF 71AI distance=21' 23061+6356 LAF 71AJ distance=21' 23061+6356 LAF 71AK distance=21' 23061+6356 LAF 71AL distance=21' 23061+6356 LAF 71AM distance=21' 23061+6356 LAF 71AN distance=21' 23061+6356 LAF 71AO distance=21' 23061+6356 LAF 71AP distance=21' 23061+6356 LAF 71AQ distance=21' 23061+6356 LAF 71AR distance=21' 23061+6356 LAF 71AS distance=21' 23061+6356 LAF 71AT distance=21' 23061+6356 LAF 71AU distance=21' 23061+6356 LAF 71AV distance=21' 23061+6356 LAF 71AW distance=21' 23061+6356 LAF 71AX distance=21' 23061+6356 LAF 71AY distance=21' 23061+6356 LAF 71A,Za distance=21' 23061+6356 LAF 71A,Zb distance=21' 23061+6356 LAF 71A,Zd distance=21' 23061+6356 LAF 71A,Ze distance=21' 23061+6356 LAF 71A,Zf distance=21' 23061+6356 LAF 71A,Zg distance=21' 23061+6356 LAF 71A,Zh distance=21' 23061+6356 LAF 71A,Zi distance=21' 23061+6356 LAF 71A,Zj distance=21' 23061+6356 LAF 71A,Zk distance=21' 23061+6356 LAF 71A,Zl distance=21' 23061+6356 LAF 71A,Zm distance=21' 23061+6356 LAF 71A,Zc distance=21' 23111+6339 STI1149 distance=23' 23052+6323 KR 62 distance=23' 23047+6321 STI1137 distance=27' 23048+6321 PET 26 distance=27' 23040+6324 HDS3287AB distance=29' 23040+6324 BHJ 69AB,C distance=29' 23048+6405 MLR 70 distance=34' 23108+6315 MLB 181 distance=35' 23027+6348 TDT3853 distance=36' 23127+6317 MLR 71BC distance=40' 23126+6315 FYM 308 distance=40' 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 23078+6338 HU 994 316 0.2
Show 23071+6321 LDS6007 BC 65 12.8 19
Show 23071+6321 BHJ 77 AB 319 25.9 19
Show 23061+6356 LAF 71 AB 240 2.1 21
Show 23061+6356 LAF 71 AC 31 2.2 21
Show 23061+6356 LAF 71 AD 142 3.2 21
Show 23061+6356 LAF 71 AE 208 3.4 21
Show 23061+6356 LAF 71 AF 337 3.6 21
Show 23061+6356 LAF 71 AG 174 3.8 21
Show 23061+6356 LAF 71 AH 1 4.5 21
Show 23061+6356 LAF 71 AI 258 5.4 21
Show 23061+6356 LAF 71 AJ 118 5.7 21
Show 23061+6356 LAF 71 AK 69 6.4 21
Show 23061+6356 LAF 71 AL 101 7.0 21
Show 23061+6356 LAF 71 AM 237 7.3 21
Show 23061+6356 LAF 71 AN 127 7.7 21
Show 23061+6356 LAF 71 AO 131 7.8 21
Show 23061+6356 LAF 71 AP 78 7.9 21
Show 23061+6356 LAF 71 AQ 247 9.1 21
Show 23061+6356 LAF 71 AR 37 9.2 21
Show 23061+6356 LAF 71 AS 27 9.2 21
Show 23061+6356 LAF 71 AT 95 9.5 21
Show 23061+6356 LAF 71 AU 84 9.6 21
Show 23061+6356 LAF 71 AV 69 10.0 21
Show 23061+6356 LAF 71 AW 121 10.0 21
Show 23061+6356 LAF 71 AX 163 10.0 21
Show 23061+6356 LAF 71 AY 94 10.2 21
Show 23061+6356 LAF 71 A,Za 12 10.7 21
Show 23061+6356 LAF 71 A,Zb 248 10.6 21
Show 23061+6356 LAF 71 A,Zd 83 11.2 21
Show 23061+6356 LAF 71 A,Ze 336 11.4 21
Show 23061+6356 LAF 71 A,Zf 156 11.7 21
Show 23061+6356 LAF 71 A,Zg 32 11.9 21
Show 23061+6356 LAF 71 A,Zh 291 11.7 21
Show 23061+6356 LAF 71 A,Zi 310 12.2 21
Show 23061+6356 LAF 71 A,Zj 67 12.8 21
Show 23061+6356 LAF 71 A,Zk 58 13.0 21
Show 23061+6356 LAF 71 A,Zl 333 12.9 21
Show 23061+6356 LAF 71 A,Zm 307 13.8 21
Show 23061+6356 LAF 71 A,Zc 254 10.9 21
Show 23111+6339 STI1149 52 4.3 23
Show 23052+6323 KR 62 324 5.5 23
Show 23047+6321 STI1137 308 5.3 27
Show 23048+6321 PET 26 17 2.5 27
Show 23040+6324 HDS3287 AB 246 0.5 29
Show 23040+6324 BHJ 69 AB,C 309 21.6 29
Show 23048+6405 MLR 70 250 0.6 34
Show 23108+6315 MLB 181 189 2.4 35
Show 23027+6348 TDT3853 25 0.7 36
Show 23127+6317 MLR 71 BC 220 2.9 40
Show 23126+6315 FYM 308 80 5.8 40

 
 
WDS 23078+6338 : COMPONENTS
 
 
  A
B pa=336.5°
sep=0.16"
 
 
23078+6338 A
 
 
Componente originario normalizzato AB Name HD 218537 Coord arcsec 2000 230747.74+633800.5 Mag 7.16
Spectral class B3V (blue-white) PmRA 11.00 PmDE 3.0 SAO 20439
HIP 114212 Tycho2 4282-00541-1 HD 218537 HR 8808
GC 32228 ADS 16530 BD BD+62 2171
Tycho2
Tycho2 4282-00541-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 6.203 E BTmag 0.014 VTmag 6.248
E VTmag 0.009 Prox 805 TYC T HIP 114212
CCDM AB RAdeg 346.94890139 DEdeg 63.63346972 EpRA 1990 1.69
EpDE 1990 1.77 E RAdeg 3.5 E DEdeg 3.5 Posflg P
Corr 0.1
SAO
SAO 20439 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.002 Vmag 6.2 SpType B3
Double code Source 70 CatNum 32228 DM BD+62 2171
DMcomp BDsup HD 218537 M HD 0
GC 32228 RA1950rad 6.04645496 DE1950rad 1.10588734 PmRA2000 0.0003
PmDE2000 -0.004
Hipparcos
Catalog H HIP 114212 Proxy H RAhms 23 07 47.74
DEdms +63 38 00.5 Vmag 6.25 VarFlag R Vmag G
RAdeg 346.949 DEdeg 63.6335 AstroRef * Plx 2.67
CCDM 23078+6338 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 312 Rho 0.22 HD 218537 BD BD+62 2171
CD CP Dm number +62 2171 VIred -0.01
SpType B3V R SpType Coord arcsec 2000 230747.74+633800.5
Hipparcos 2
HIP 114212 Sn 55 So 3 Nc 2
RArad 6.0554007069 DErad 1.1106135868 Plx 2.44 PmRA 7.38
PmDE -2.6 E RArad 0.31 E DErad 0.32 E Plx 0.39
E pmRA 0.39 E pmDE 0.38 Hpmag 6.2497 E Hpmag 0.0009
SHp 0.008 VA 0 BV -0.025 E BV 0.002
VI -0.01
CCDM
Ccdm 23078+6338 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs 0.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp B3 PmNote *
PmRA 0 PmDE -2 Dm number +62 2171 Cat1 BD
Name2 +63 1305 Cat2 AGK2/3 HD 218537 M HD
ADS BDS A16530 M ADS BDS N IDS IDS 23038N6306A
HIC 114212
 
 
23078+6338 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 230747.73+633800.7 Mag 6.87 Calc delta mag 0.29
Calc coord yes
CCDM
Ccdm 23078+6338 RComp Comp B Note1 *
Note2 Discov num HU 994 DRAs DDEs
R dRAs Year 1960 Theta 141 Rho 0.1
Obs 12 Vmag 7.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16530 M ADS BDS N N IDS IDS 23038N6306B
HIC 114212