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Current system
21511+6650
HU 972
HD 208074


Nearby doubles
12' : 21491+6648
STF2836AB

20' : 21542+6644
LEP 103

31' : 21481+6625
MLB 270

33' : 21520+6723
TDT3201

36' : 21527+6724
SKF2743

38' : 21559+6626
CLL 17AB

43' : 21576+6708
HJ 1711AB

50' : 21444+6621
MLB 269

52' : 21580+6722
MLB 307AB

55' : 21572+6609
ARY 43

56' : 21581+6729
LDS4932

59' : 21595+6620
MLB1095

60' : 21599+6719
TDT3280

64' : 21455+6745
HU 970

65' : 21430+6606
WNT 1AB

66' : 21516+6545
STF2843AB

66' : 21590+6605
TDT3273

70' : 21459+6548
HJ 1696

74' : 22029+6716
MLB1096

74' : 21498+6802
MLB1094

75' : 21554+6540
HU 1314

76' : 21530+6536
GII 10

76' : 21526+6535
GII 9

76' : 21385+6636
LDS4902

76' : 21533+6535
GII 11

78' : 21561+6539
HU 974



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

21511+6650 HU 972 (HD 208074)

 
 
21h 51m 04.93s +66° 50' 14.7" P.A. 255.00 sep 0.3 mag 9.09,9.54 Sp F8IV/V dist. 162.07 pc (528.67 l.y.)
 
 
Coord 2000 21511+6650 Discov num HU  972 Comp Coord arcsec 2000 21 51 04.93 +66 50 14.7
Date first 1904 Date last 2008 Obs 26
Pa first 303 Pa last 255.1 P.A. Now (θ) 255.1°
Sep first 0.3 Sep last 0.341 Sep. Now (ρ) 0.341"
Mag pri 9.09 Mag sec 9.54 delta mag (ΔM) 0.45 Spectral class F8IV/V (yellow-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -026 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 208074 Constellation Cepheus SAO 19680 HIP 107855
Tycho2 4274-01174-1 HD 208074 ADS 15398 BD BD+66 1446
Distance 162.07 Distance ly 528.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)150.81y Periastron (T)1963.65y Semi-major axis (a)0.321a
Eccentricity (e)0.633 Inclination (i)47.3° Longitude of periastron (ω)276.1°
Node (Ω)189.1° Notesn ReferenceHrt2014b
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 244.2 0.313
2001 245.5 0.315
2002 246.8 0.317
2003 248.1 0.318
2004 249.3 0.320
2005 250.6 0.322
2006 251.8 0.324
2007 253.1 0.325
2008 254.3 0.327
2009 255.5 0.328
2010 256.7 0.330
2011 257.8 0.331
2012 259.0 0.333
2013 260.2 0.334
2014 261.3 0.335
2015 262.5 0.337
2016 263.6 0.338
2017 264.7 0.339
2018 265.9 0.340
2019 267.0 0.341
2020 268.1 0.342
2021 269.2 0.343
2022 270.3 0.345
2023 271.3 0.346
2024 272.4 0.347
2025 273.5 0.347
2026 274.6 0.348
2027 275.6 0.349
2028 276.7 0.350
2029 277.7 0.351
2030 278.8 0.352


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


 
  


wds21511%2B6650b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21511+6650 HU 972 (HD 208074) : NOTES
 
 
discov_num notes refcode
HU 972 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 7.17 +/- 3.71, 2.43, and 1.19 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2014b orb - Hartkopf, W.I. & Mason, B.D. 2014IAUDS.184....1H
Hrt2014b Inf. Circ. 184, 1, 2014
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
21511+6650 HU 972 2003 23 251 0.3 9.09 9.54 F8IV/V NO 215104.93+665014.7
21511+6650 HU 972 2007 24 254 0.3 9.09 9.54 F8IV/V NO 215104.93+665014.7
21511+6650 HU 972 2008 26 255 0.3 9.09 9.54 F8IV/V NO 215104.93+665014.7

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

 
 
WDS 21511+6650 HU 972 (HD 208074) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21511+6650 HU 972 (HD 208074) : MEASURES
 
 
No records found.

 
 
WDS 21511+6650 (HD 208074) : VIRTUAL EYEPIECE
 
 

21511+6650 HU 972A mag 9.09 Sp F8IV/V 21511+6650 HU 972B sep 0.2 P.A. 235.90 mag 9.54 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 21511+6650 (HD 208074) : ALADIN DSS IMAGE @ 21h 51m 04.93s +66° 50' 14.7"
 
 
 
 
WDS 21511+6650 HU 972 (HD 208074) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21511+6650 HU 972 distance=0' 21491+6648 STF2836AB distance=12' 21491+6648 WAL 140AC distance=12' 21542+6644 LEP 103 distance=20' 21481+6625 MLB 270 distance=31' 21520+6723 TDT3201 distance=33' 21527+6724 SKF2743 distance=36' 21559+6626 CLL 17AB distance=38' 21559+6626 CLL 17AC distance=38' 21576+6708 HJ 1711AB distance=43' 21576+6708 ACA 8AC distance=43' 21444+6621 MLB 269 distance=50' 21580+6722 MLB 307BC distance=52' 21580+6722 MLB 307AB distance=52' 21572+6609 ARY 43 distance=55' 21581+6729 LDS4932 distance=56' 21595+6620 MLB1095 distance=59' 21599+6719 TDT3280 distance=60' 21455+6745 HU 970 distance=64' 21430+6606 WNT 1AB distance=65' 21430+6606 WNT 1AC distance=65' 21430+6606 WNT 1AD distance=65' 21430+6606 WNT 1AE distance=65' 21430+6606 WNT 1AF distance=65' 21430+6606 LI 8AG distance=65' 21430+6606 KAT 1AH distance=65' 21430+6606 KAT 1AI distance=65' 21430+6606 KAT 1AJ distance=65' 21430+6606 KAT 1AK distance=65' 21430+6606 KAT 1AL distance=65' 21516+6545 STF2843AB distance=66' 21516+6545 STF2843AC distance=66' 21590+6605 TDT3273 distance=66' 21459+6548 HJ 1696 distance=70' 22029+6716 MLB1096 distance=74' 21498+6802 MLB1094 distance=74' 21554+6540 HU 1314 distance=75' 21530+6536 GII 10 distance=76' 21526+6535 GII 9 distance=76' 21385+6636 LDS4902 distance=76' 21533+6535 GII 11 distance=76' 21531+6806 STTA226BC distance=77' 21531+6806 STTA226BD distance=77' 21561+6539 HU 974 distance=78' 22038+6710 TDS1155 distance=78' 21531+6806 STTA226AB distance=78' 21598+6758 STF2853AB distance=85' 21569+6533 KPP4259 distance=86' 21529+6523 STI1067 distance=88' 21365+6718 KPP4238 distance=90' 22022+6550 MLB 309 distance=90' 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 21511+6650 HU 972 255 0.3
Show 21491+6648 STF2836 AB 155 11.8 12
Show 21491+6648 WAL 140 AC 253 64.5 12
Show 21542+6644 LEP 103 213 4.1 20
Show 21481+6625 MLB 270 265 1.6 31
Show 21520+6723 TDT3201 121 2.3 33
Show 21527+6724 SKF2743 122 19.3 36
Show 21559+6626 CLL 17 AB 68 37.0 38
Show 21559+6626 CLL 17 AC 241 35.6 38
Show 21576+6708 HJ 1711 AB 255 8.8 43
Show 21576+6708 ACA 8 AC 323 71.9 43
Show 21444+6621 MLB 269 4 2.3 50
Show 21580+6722 MLB 307 BC 152 3.1 52
Show 21580+6722 MLB 307 AB 194 62.0 52
Show 21572+6609 ARY 43 127 101.0 55
Show 21581+6729 LDS4932 85 122.6 56
Show 21595+6620 MLB1095 100 11.2 59
Show 21599+6719 TDT3280 122 0.5 60
Show 21455+6745 HU 970 274 0.4 64
Show 21430+6606 WNT 1 AB 330 2.5 65
Show 21430+6606 WNT 1 AC 296 2.5 65
Show 21430+6606 WNT 1 AD 11 8.4 65
Show 21430+6606 WNT 1 AE 265 11.2 65
Show 21430+6606 WNT 1 AF 176 12.5 65
Show 21430+6606 LI 8 AG 123 6.5 65
Show 21430+6606 KAT 1 AH 205 10.7 65
Show 21430+6606 KAT 1 AI 204 6.4 65
Show 21430+6606 KAT 1 AJ 97 1.9 65
Show 21430+6606 KAT 1 AK 276 2.3 65
Show 21430+6606 KAT 1 AL 306 3.7 65
Show 21516+6545 STF2843 AB 150 1.4 66
Show 21516+6545 STF2843 AC 277 54.7 66
Show 21590+6605 TDT3273 6 0.4 66
Show 21459+6548 HJ 1696 130 17.3 70
Show 22029+6716 MLB1096 312 18.5 74
Show 21498+6802 MLB1094 229 8.5 74
Show 21554+6540 HU 1314 211 0.1 75
Show 21530+6536 GII 10 173 9.3 76
Show 21526+6535 GII 9 346 9.0 76
Show 21385+6636 LDS4902 258 25.2 76
Show 21533+6535 GII 11 52 6.2 76
Show 21531+6806 STTA226 BC 149 85.2 77
Show 21531+6806 STTA226 BD 169 50.2 77
Show 21561+6539 HU 974 101 4.5 78
Show 22038+6710 TDS1155 75 0.9 78
Show 21531+6806 STTA226 AB 245 76.3 78
Show 21598+6758 STF2853 AB 188 3.2 85
Show 21569+6533 KPP4259 17 52.4 86
Show 21529+6523 STI1067 273 11.6 88
Show 21365+6718 KPP4238 336 12.9 90
Show 22022+6550 MLB 309 151 5.3 90

 
 
WDS 21511+6650 : COMPONENTS
 
 
  A
B pa=235.9°
sep=0.16"
 
 
21511+6650 A
 
 
Componente originario normalizzato AB Name HD 208074 Coord arcsec 2000 215104.93+665014.7 Mag 9.09
Spectral class F8IV/V (yellow-white) PmRA -2.00 PmDE -26.0 SAO 19680
HIP 107855 Tycho2 4274-01174-1 HD 208074 BD BD+66 1446
Tycho2
Tycho2 4274-01174-1 Pflag RAmdeg 327.77059415 DEmdeg 66.83733577
PmRA 9.9 PmDE -37.1 E RAmdeg 7 E DEmdeg 7
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.19 EpDEm 1991.21
Num 8 Q RAmdeg 1.4 Q DEmdeg 1.3 Q pmRA 1.5
Q pmDE 1.3 BTmag 8.991 E BTmag 0.018 VTmag 8.506
E VTmag 0.013 Prox 999 TYC T HIP 107855
CCDM AB RAdeg 327.77053528 DEdeg 66.83742139 EpRA 1990 1.63
EpDE 1990 1.69 E RAdeg 6.9 E DEdeg 6.9 Posflg P
Corr 0.1
SAO
SAO 19680 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.043 Vmag 8.2 SpType F5
Double code Source 2 CatNum 1073 DM BD+66 1446
DMcomp BDsup HD 208074 M HD 0
GC RA1950rad 5.71553139 DE1950rad 1.16243623 PmRA2000 -0.0004
PmDE2000 -0.048
Hipparcos
Catalog H HIP 107855 Proxy H RAhms 21 51 04.93
DEdms +66 50 14.7 Vmag 8.44 VarFlag R Vmag H
RAdeg 327.771 DEdeg 66.8374 AstroRef * Plx 5.88
CCDM 21511+6650 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 232 Rho 0.29 HD 208074 BD BD+66 1446
CD CP Dm number +66 1446 VIred 0.52
SpType F5 R SpType Coord arcsec 2000 215104.93+665014.7
Hipparcos 2
HIP 107855 Sn 55 So 3 Nc 2
RArad 5.7206750604 DErad 1.166533139 Plx 6.17 PmRA 7.27
PmDE -36.55 E RArad 0.77 E DErad 0.78 E Plx 0.91
E pmRA 0.98 E pmDE 0.88 Hpmag 8.5428 E Hpmag 0.0021
SHp 0.014 VA 0 BV 0.456 E BV 0.017
VI 0.53
CCDM
Ccdm 21511+6650 RComp Comp A Note1
Note2 Discov num DRAs -1.14 DDEs 15.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp F5 PmNote *
PmRA -1 PmDE -25 Dm number +66 1446 Cat1 BD
Name2 +66 1073 Cat2 AGK2/3 HD 208074 M HD
ADS BDS A15398 M ADS BDS N IDS IDS 21487N6622A
HIC 107855
 
 
21511+6650 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215104.91+665014.6 Mag 9.54 Calc delta mag 0.45
Calc coord yes
CCDM
Ccdm 21511+6650 RComp Comp B Note1 *
Note2 Discov num HU 972 DRAs DDEs
R dRAs Year 1944 Theta 352 Rho 0.3
Obs 5 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15398 M ADS BDS N N IDS IDS 21487N6622B
HIC 107855