18411+4416 HDS 2647 (HD 172976)

 
 
18h 41m 03.49s +44° 16' 16.0" P.A. 279.00 sep 0.1 mag 7.58,9.41 Sp F0III dist. 198.81 pc (648.52 l.y.)
 
 
Coord 2000 18411+4416 Discov num HDS2647 Comp Coord arcsec 2000 18 41 03.49 +44 16 16.0
Date first 1991 Date last 2009 Obs 5
Pa first 288 Pa last 279.1 P.A. Now (θ) 279.1°
Sep first 0.2 Sep last 0.143 Sep. Now (ρ) 0.143"
Mag pri 7.58 Mag sec 9.41 delta mag (ΔM) 1.83 Spectral class F0III (yellow-white)
Pri motion ra +002 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172976 Constellation Lyra SAO 47702 HIP 91615
Tycho2 3130-00268-1 Gaia DR2 2117536735129142016 HD 172976 BD BD+44 2963
Distance 198.81 Distance ly 648.52
 
 
WDS 18411+4416 HDS 2647 (HD 172976) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18411+4416 HDS2647 2003 3 274 0.2 7.58 9.41 F0III D 184103.49+441616.0
18411+4416 HDS2647 2007 4 268 0.1 7.58 9.41 F0III D 184103.49+441616.0
18411+4416 HDS2647 2009 5 279 0.1 7.58 9.41 F0III 184103.49+441616.0

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

 
 
WDS 18411+4416 HDS 2647 (HD 172976) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18411+4416 HDS 2647 (HD 172976) : MEASURES
 
 
No records found.

 
 
WDS 18411+4416 (HD 172976) : VIRTUAL EYEPIECE
 
 

18411+4416 HDS2647A mag 7.58 Sp F0III 18411+4416 HDS2647B sep 0.1 P.A. 282.60 mag 9.41 virtual eyepiece
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Radius:
Components only
 
 
WDS 18411+4416 (HD 172976) : ALADIN DSS IMAGE @ 18h 41m 03.49s +44° 16' 16.0"
 
 
 
 
WDS 18411+4416 HDS 2647 (HD 172976) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18411+4416  HDS2647 distance=1' 18420+4410  TOI1341 distance=13' 18395+4425  KPP3332 distance=19' 18411+4356  ES 1423 distance=21' 18410+4355  KOI3245 distance=22' 18414+4350  KOI5457 distance=27' 18432+4402  KOI4005 distance=28' 18428+4355  KOI2486AB distance=28' 18428+4355  KOI2486AC distance=28' 18437+4405  KOI1985 distance=31' 18400+4346  BRT1920 distance=33' 18394+4346  DEA 410 distance=35' 18407+4336  TDT 990 distance=41' 18450+4422  ES 1424 distance=43' 18433+4341  DEA 246 distance=43' 18450+4415  TDT1031 distance=43' 18429+4456  STF2380 distance=45' 18454+4418  KOI1820 distance=47' 18406+4325  DEA 159 distance=52' 18462+4414  KOI4799 distance=56' 18462+4408  HDS2662AB distance=56' 18462+4408  ARY  54AC distance=56' 18440+4328  HJ 1342 distance=58' 18448+4458  WEB   7 distance=58' 18465+4416  TDT1049 distance=59' 18454+4340  KOI6925 distance=60' 18462+4353  JKA   4 distance=60' 18464+4359  KOI5471 distance=61' 18465+4434  DEA 241 distance=62' 18457+4341  DEA 110 distance=62' 18457+4338  DEA 344 distance=64' 18442+4321  DEA 409 distance=65' 18471+4418  KOI1150 distance=65' 18442+4319  KOI2734 distance=67' 18470+4432  DEA 207 distance=67' 18473+4409  KOI2593AB distance=68' 18473+4409  KOI2593AC distance=68' 18452+4325  KOI 684 distance=68' 18474+4411  DEA 249 distance=69' 18445+4318  DEA 134 distance=70' 18445+4317  KOI4419AB distance=70' 18445+4317  JKA   3AC distance=70' 18386+4309  NSN 706 distance=72' 18477+4412  DEA 305 distance=73' 18466+4335  KOI5427 distance=73' 18481+4423  KOI2385 distance=76' 18456+4317  DEA 122 distance=77' 18476+4450  KOI  68AB distance=78' 18476+4450  KOI  68AC distance=78' 18476+4450  KOI  68AD distance=78' 18465+4325  KOI5416 distance=79' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18411+4416 HDS2647 279 0.1 1
Show 18420+4410 TOI1341 246 10.6 13
Show 18395+4425 KPP3332 297 21.9 19
Show 18411+4356 ES 1423 333 5.0 21
Show 18410+4355 KOI3245 185 1.5 22
Show 18414+4350 KOI5457 131 1.3 27
Show 18432+4402 KOI4005 236 2.0 28
Show 18428+4355 KOI2486 AB 68 0.2 28
Show 18428+4355 KOI2486 AC 85 6.2 28
Show 18437+4405 KOI1985 155 2.8 31
Show 18400+4346 BRT1920 197 2.9 33
Show 18394+4346 DEA 410 49 21.2 35
Show 18407+4336 TDT 990 311 0.3 41
Show 18450+4422 ES 1424 90 7.9 43
Show 18433+4341 DEA 246 21 10.6 43
Show 18450+4415 TDT1031 201 1.6 43
Show 18429+4456 STF2380 8 25.5 45
Show 18454+4418 KOI1820 180 3.7 47
Show 18406+4325 DEA 159 310 7.8 52
Show 18462+4414 KOI4799 283 3.5 56
Show 18462+4408 HDS2662 AB 257 0.8 56
Show 18462+4408 ARY 54 AC 47 76.0 56
Show 18440+4328 HJ 1342 186 18.5 58
Show 18448+4458 WEB 7 50 11.3 58
Show 18465+4416 TDT1049 1.3 59
Show 18454+4340 KOI6925 127 2.5 60
Show 18462+4353 JKA 4 6 408.1 60
Show 18464+4359 KOI5471 72 3.5 61
Show 18465+4434 DEA 241 98 10.6 62
Show 18457+4341 DEA 110 37 6.4 62
Show 18457+4338 DEA 344 8 15.1 64
Show 18442+4321 DEA 409 257 21.4 65
Show 18471+4418 KOI1150 323 0.4 65
Show 18442+4319 KOI2734 89 2.4 67
Show 18470+4432 DEA 207 283 9.7 67
Show 18473+4409 KOI2593 AB 321 0.4 68
Show 18473+4409 KOI2593 AC 342 2.9 68
Show 18452+4325 KOI 684 1 0.2 68
Show 18474+4411 DEA 249 164 11.1 69
Show 18445+4318 DEA 134 300 7.2 70
Show 18445+4317 KOI4419 AB 116 4.0 70
Show 18445+4317 JKA 3 AC 273 15.9 70
Show 18386+4309 NSN 706 336 3.4 72
Show 18477+4412 DEA 305 141 12.8 73
Show 18466+4335 KOI5427 176 3.1 73
Show 18481+4423 KOI2385 337 3.5 76
Show 18456+4317 DEA 122 353 6.8 77
Show 18476+4450 KOI 68 AB 257 0.7 78
Show 18476+4450 KOI 68 AC 260 2.7 78
Show 18476+4450 KOI 68 AD 356 3.4 78
Show 18465+4325 KOI5416 218 0.4 79

 
 
WDS 18411+4416 : COMPONENTS
 
 
  A
B pa=282.6°
sep=0.10"
 
 
18411+4416 A
 
 
Componente originario normalizzato AB Name HD 172976 Coord arcsec 2000 184103.49+441616.0 Mag 7.58
Spectral class F0III (yellow-white) PmRA 2.00 PmDE 0.0 SAO 47702
HIP 91615 Tycho2 3130-00268-1 HD 172976 BD BD+44 2963
Tycho2
Tycho2 3130-00268-1 Pflag RAmdeg 280.26454610 DEmdeg 44.27110478
PmRA 2.0 PmDE 0.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.2 EpRAm 1991.24 EpDEm 1991.37
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.0 BTmag 7.683 E BTmag 0.015 VTmag 7.334
E VTmag 0.010 Prox 999 TYC T HIP 91615
CCDM AB RAdeg 280.26453917 DEdeg 44.27110306 EpRA 1990 1.56
EpDE 1990 1.62 E RAdeg 4.3 E DEdeg 4.2 Posflg P
Corr 0.0
SAO
SAO 47702 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 -0.004 Vmag 7.4 SpType A5
Double code Source 4 CatNum 1514 DM BD+44 2963
DMcomp BDsup HD 172976 M HD 0
GC RA1950rad 4.88501072 DE1950rad 0.7718273 PmRA2000 -0.0009
PmDE2000 -0.005
Hipparcos
Catalog H HIP 91615 Proxy H RAhms 18 41 03.49
DEdms +44 16 16.0 Vmag 7.31 VarFlag R Vmag H
RAdeg 280.265 DEdeg 44.2711 AstroRef * Plx 5.48
CCDM 18411+4416 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 288 Rho 0.183 HD 172976 BD BD+44 2963
CD CP Dm number +44 2963 VIred 0.36
SpType F0III R SpType Coord arcsec 2000 184103.49+441616.0
Hipparcos 2
HIP 91615 Sn 55 So 3 Nc 2
RArad 4.8915390313 DErad 0.7726764988 Plx 5.03 PmRA 1.63
PmDE 0.14 E RArad 0.45 E DErad 0.44 E Plx 0.48
E pmRA 0.46 E pmDE 0.53 Hpmag 7.3912 E Hpmag 0.001
SHp 0.009 VA 0 BV 0.312 E BV 0.008
VI 0.36
CCDM
Ccdm 18411+4416 RComp Comp A Note1
Note2 Discov num DRAs -2.51 DDEs 16.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.6 Sp F0 PmNote *
PmRA 2 PmDE 0 Dm number +44 2963 Cat1 BD
Name2 +44 1514 Cat2 AGK2/3 HD 172976 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 91615
 
 
18411+4416 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184103.48+441616.0 Mag 9.41 Calc delta mag 1.83
Calc coord yes
CCDM
Ccdm 18411+4416 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.52 DDEs 16.0
R dRAs 82 Year 1991 Theta 288 Rho 0.2
Obs 1 Vmag 9.4 Sp PmNote *
PmRA 2 PmDE 0 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 91615