18317+2310 HU 321 AC

 
 
18h 31m 41.82s +23° 09' 40.2" P.A. 342.00 sep 74.4 mag 9.60,12.10 Sp G5
 
 
Coord 2000 18317+2310 Discov num HU  321 Comp AC Coord arcsec 2000 18 31 41.82 +23 09 40.2
Date first 1894 Date last 2015 Obs 20
Pa first 329 Pa last 341.6 P.A. Now (θ) 341.6°
Sep first 62.4 Sep last 74.35 Sep. Now (ρ) 74.35"
Mag pri 9.60 Mag sec 12.10 delta mag (ΔM) 2.5 Spectral class G5 (yellow)
Pri motion ra -069 Sec motion ra +008
Pri motion dec -122 Sec motion dec +001
Notes N L (See Notes, Linear solution)
rPM=1.035
This double is not physical.
 
 
18317+2310 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 342464 18 31 42 +23 09 40 HU 321 AB 2015 33 21 20.6 9.60 11.10 1.50
Show 18 31 42 +23 09 40 HU 321 AC 2015 20 342 74.4 9.60 12.10 2.50 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2106-00298-1 Gaia DR2 4535447329570405632 HD 342464
 
 
WDS 18317+2310 HU 321 AC : NOTES
 
 
discov_num notes refcode
HU 321 Mt. Wilson spectral type of B is G0.
AB: Rectilinear solution by Friedman et al. (2012). USN2012a
 
 
REFERENCES
 
 
refcode metd author reference
USN2012a lin - Friedman, E.A., Mason, B.D., & Hartkopf, W.I. 2012IAUDS.176....1F
USN2012a Inf. Circ. 176, 1, 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
18317+2310 HU 321 AC 2000 7 340 72.9 9.60 12.10 NLD 183141.82+230940.2
18317+2310 HU 321 AC 2001 8 340 72.9 9.60 12.10 NLD 183141.82+230940.2
18317+2310 HU 321 AC 2012 9 341 74.1 9.60 12.10 G5 NL 183141.82+230940.2
18317+2310 HU 321 AC 2013 10 342 74.1 9.60 12.10 G5 NL 183141.82+230940.2
18317+2310 HU 321 AC 2015 11 342 74.4 9.60 12.10 G5 NL 183141.82+230940.2

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WDS 18317+2310 HU 321 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18317+2310 HU 321 AC : MEASURES
 
 
No records found.

 
 
WDS 18317+2310 : VIRTUAL EYEPIECE
 
 

18317+2310 HU  321A mag 9.6 Sp G5 18317+2310 HU  321B sep 20.4 P.A. 19.50 mag 11.1 18317+2310 HU  321C sep 73.8 P.A. 343.00 mag 12.1 virtual eyepiece
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Radius:
Components only
 
 
WDS 18317+2310 : ALADIN DSS IMAGE @ 18h 31m 41.82s +23° 09' 40.2"
 
 
 
 
WDS 18317+2310 HU 321 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18317+2310  HU  321AC distance=0' 18318+2321  TDT 928 distance=12' 18319+2253  SLE 188 distance=18' 18307+2320  SLE 183 distance=18' 18307+2321  KPP 601 distance=18' 18324+2325  POU3422 distance=19' 18327+2326  POU3424 distance=22' 18334+2301  J   463AB distance=25' 18334+2301  J   463AB,C distance=25' 18299+2307  TDT 913 distance=25' 18332+2326  POU3429 distance=26' 18336+2321  POU3430 distance=29' 18330+2334  KPP 418 distance=31' 18339+2300  POU3431 distance=33' 18321+2342  POU3418 distance=33' 18330+2337  POU3428 distance=34' 18295+2329  TDT 908 distance=37' 18343+2258  TDT 938 distance=38' 18290+2301  TDT 903 distance=39' 18323+2350  POU3421 distance=42' 18319+2351  POU3417 distance=42' 18322+2350  POU3420 distance=42' 18327+2350  POU3425 distance=43' 18351+2302  TDT 948 distance=49' 18324+2221  J   807 distance=50' 18310+2221  J   806 distance=50' 18306+2400  POU3413 distance=53' 18331+2221  KPP 419 distance=54' 18311+2216  COU  15 distance=54' 18302+2400  SLE 181 distance=55' 18315+2405  POU3414 distance=56' 18333+2219  LEP  89 distance=56' 18354+2243  SLE 212 distance=58' 18355+2336  STT 359 distance=59' 18271+2306  SLE 177 distance=64' 18349+2357  POU3435 distance=65' 18281+2359  SLE 180 distance=70' 18361+2344  HDS2639 distance=71' 18368+2320  POU3438AB distance=71' 18368+2320  POU3439AC distance=71' 18278+2357  POU3410 distance=71' 18330+2420  POU3427 distance=73' 18369+2323  TDT 958 distance=73' 18310+2424  TDT 923 distance=76' 18357+2403  POU3436 distance=76' 18346+2422  POU3432 distance=83' 18378+2310  POU3443 distance=84' 18278+2415  POU3411AB distance=85' 18278+2415  POU3412AC distance=85' 18352+2419  KPP3331 distance=85' 18370+2358  POU3440AB distance=88' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18317+2310 HU 321 AB 21 20.6
Show 18317+2310 HU 321 AC 342 74.4
Show 18318+2321 TDT 928 167 0.6 12
Show 18319+2253 SLE 188 99 17.7 18
Show 18307+2320 SLE 183 307 18.0 18
Show 18307+2321 KPP 601 154 5.5 18
Show 18324+2325 POU3422 177 12.0 19
Show 18327+2326 POU3424 273 9.1 22
Show 18334+2301 J 463 AB 224 1.9 25
Show 18334+2301 J 463 AB,C 97 23.8 25
Show 18299+2307 TDT 913 30 0.5 25
Show 18332+2326 POU3429 3 11.3 26
Show 18336+2321 POU3430 178 7.2 29
Show 18330+2334 KPP 418 87 3.8 31
Show 18339+2300 POU3431 342 6.8 33
Show 18321+2342 POU3418 129 7.0 33
Show 18330+2337 POU3428 257 14.6 34
Show 18295+2329 TDT 908 8 1.8 37
Show 18343+2258 TDT 938 67 0.9 38
Show 18290+2301 TDT 903 182 0.4 39
Show 18323+2350 POU3421 165 4.2 42
Show 18319+2351 POU3417 125 9.3 42
Show 18322+2350 POU3420 355 2.8 42
Show 18327+2350 POU3425 214 13.1 43
Show 18351+2302 TDT 948 222 2.5 49
Show 18324+2221 J 807 310 3.7 50
Show 18310+2221 J 806 240 2.4 50
Show 18306+2400 POU3413 242 9.3 53
Show 18331+2221 KPP 419 170 3.7 54
Show 18311+2216 COU 15 118 1.9 54
Show 18302+2400 SLE 181 271 15.3 55
Show 18315+2405 POU3414 260 17.8 56
Show 18333+2219 LEP 89 302 49.1 56
Show 18354+2243 SLE 212 255 14.3 58
Show 18355+2336 STT 359 5 0.8 59
Show 18271+2306 SLE 177 186 9.9 64
Show 18349+2357 POU3435 259 13.5 65
Show 18281+2359 SLE 180 247 6.4 70
Show 18361+2344 HDS2639 137 0.1 71
Show 18368+2320 POU3438 AB 359 8.5 71
Show 18368+2320 POU3439 AC 56 15.2 71
Show 18278+2357 POU3410 259 8.2 71
Show 18330+2420 POU3427 81 6.8 73
Show 18369+2323 TDT 958 255 0.4 73
Show 18310+2424 TDT 923 329 0.8 76
Show 18357+2403 POU3436 167 4.9 76
Show 18346+2422 POU3432 170 8.6 83
Show 18378+2310 POU3443 43 2.8 84
Show 18278+2415 POU3411 AB 34 9.9 85
Show 18278+2415 POU3412 AC 245 13.3 85
Show 18352+2419 KPP3331 5 2.5 85

 
 
WDS 18317+2310 : COMPONENTS
 
 
  A B
B pa=19.5°
sep=20.36"
 
C pa=343.0°
sep=73.77"
pa=331.1°
sep=58.68"
 
 
18317+2310 A
 
 
Name HD 342464 Coord arcsec 2000 183141.82+230940.2 Mag 9.6 Spectral class G5 (yellow)
PmRA -69.00 PmDE -122.0 Tycho2 2106-00298-1 HD 342464
Tycho2
Tycho2 2106-00298-1 Pflag RAmdeg 277.92426299 DEmdeg 23.16118964
PmRA -68.5 PmDE -122.0 E RAmdeg 13 E DEmdeg 10
E pmRA 2.0 E pmDE 2.0 EpRAm 1990.91 EpDEm 1991.48
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 10.551 E BTmag 0.026 VTmag 9.600
E VTmag 0.017 Prox 88 TYC T HIP
CCDM RAdeg 277.92444111 DEdeg 23.16146917 EpRA 1990 1.39
EpDE 1990 1.75 E RAdeg 13.1 E DEdeg 9.8 Posflg
Corr -0.2
CCDM
Ccdm 18317+2310 RComp Comp A Note1
Note2 Discov num DRAs -0.12 DDEs -20.6
R dRAs 65 Year Theta Rho
Obs 3 Vmag 9.5 Sp PmNote
PmRA -77 PmDE -129 Dm number +23 3357 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A11431 M ADS BDS N IDS IDS 18275N2306A
HIC
 
 
18317+2310 B
 
 
Coord arcsec 2000 183142.31+230959.4 Mag 11.1 PmRA 6.00 PmDE 10.0
Tycho2 2106-00768-1 Calc delta mag 1.5 Calc coord yes
Tycho2
Tycho2 2106-00768-1 Pflag RAmdeg 277.92609834 DEmdeg 23.16597250
PmRA -3.0 PmDE 17.6 E RAmdeg 38 E DEmdeg 29
E pmRA 1.6 E pmDE 1.5 EpRAm 1985.00 EpDEm 1987.76
Num 3 Q RAmdeg 4.1 Q DEmdeg 0.7 Q pmRA 4.1
Q pmDE 0.7 BTmag 11.791 E BTmag 0.055 VTmag 11.103
E VTmag 0.056 Prox 81 TYC T HIP
CCDM RAdeg 277.92610667 DEdeg 23.16593194 EpRA 1990 1.42
EpDE 1990 1.75 E RAdeg 38.8 E DEdeg 29.8 Posflg
Corr -0.2
CCDM
Ccdm 18317+2310 RComp Comp B Note1
Note2 Discov num HU 321 DRAs 0.27 DDEs -4.8
R dRAs 65 Year 1928 Theta 004 Rho 7.7
Obs 9 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11431 M ADS BDS N N IDS IDS 18275N2306B
HIC
 
 
18317+2310 C
 
 
Coord arcsec 2000 183140.26+231050.7 Mag 12.1 PmRA 8.00 PmDE 1.0
Tycho2 2106-00171-1 Calc delta mag 2.5 Calc coord yes
Tycho2
Tycho2 2106-00171-1 Pflag RAmdeg 277.91689245 DEmdeg 23.18017227
PmRA 13.5 PmDE -0.9 E RAmdeg 55 E DEmdeg 44
E pmRA 1.4 E pmDE 1.4 EpRAm 1971.75 EpDEm 1979.30
Num 4 Q RAmdeg 2.2 Q DEmdeg 1.8 Q pmRA 2.2
Q pmDE 1.8 BTmag 12.401 E BTmag 0.117 VTmag 12.104
E VTmag 0.126 Prox 597 TYC HIP
CCDM RAdeg 277.91685861 DEdeg 23.18017417 EpRA 1990 1.42
EpDE 1990 1.75 E RAdeg 61.6 E DEdeg 46.7 Posflg
Corr -0.2
CCDM
Ccdm 18317+2310 RComp Comp C Note1
Note2 Discov num HU 321 DRAs -1.96 DDEs 47.1
R dRAs 65 Year 1928 Theta 334 Rho 66.1
Obs 1 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11431 M ADS BDS N IDS IDS 18275N2306C
HIC