18239+5848 STF 2323 AC

 
 
18h 23m 54.65s +58° 48' 02.1" P.A. 20.00 sep 88.9 mag 5.06,7.95 Sp A1V dist. 56.47 pc (184.21 l.y.)
 
 
Coord 2000 18239+5848 Discov num STF2323 Comp AC Coord arcsec 2000 18 23 54.65 +58 48 02.1
Date first 1823 Date last 2020 Obs 67
Pa first 22 Pa last 19.5 P.A. Now (θ) 19.5°
Sep first 90.2 Sep last 88.86 Sep. Now (ρ) 88.86"
Mag pri 5.06 Mag sec 7.95 delta mag (ΔM) 2.89 Spectral class A1V (white)
Pri motion ra -038 Sec motion ra -041
Pri motion dec +062 Sec motion dec +061
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
18239+5848 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 39 Dra 30949 18 23 55 +58 48 02 STF 2323 AB 2020 146 348 3.6 5.06 8.07 3.01 Y
Show 30949 18 23 55 +58 48 02 STF 2323 AC 2020 67 20 88.9 5.06 7.95 2.89 <===
Show 30949 18 23 55 +58 48 02 STF 2323 AF 2008 3 80 150.5 5.06 12.90 7.84
Show 30949 18 23 55 +58 48 02 STF 2323 AG 2003 3 244 35.8 5.06 13.30 8.24
Show 30949 18 23 55 +58 48 02 STF 2323 AH 2000 2 93 44.2 5.06 14.40 9.34
Show 30950 18 23 55 +58 48 06 STF 2323 BC 2017 36 20 86.5 8.07 7.95 0.12
Show 30950 18 23 58 +58 49 26 STF 2323 CD 2015 10 68 198.2 7.90 11.00 3.10
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30949 HIP 90156 Tycho2 3916-01982-1
Gaia DR2 2157548616097840000 HD 170073 HR 6923 GC 25151
ADS 11336 BD BD+58 1809 Flamsteed 39 Draconis Flamsteed name 39 Dra
Distance 56.47 Distance ly 184.21
 
 
WDS 18239+5848 STF 2323 AC : NOTES
 
 
discov_num notes refcode
STF2323 39 Dra. STTA169 = STFA 36. A is a double-lined spectroscopic binary.
C is a spectroscopic binary, P =2.71d.
AC: HJL1098. HJL1986
AB: H 1 7. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18239+5848 STF2323 AC 2001 54 20 90.4 5.06 7.95 A1V N D 182354.65+584802.1
18239+5848 STF2323 AC 2008 55 20 88.9 5.06 7.95 A1V N D 182354.65+584802.1
18239+5848 STF2323 AC 2009 56 20 89.3 5.06 7.95 A1V N D 182354.65+584802.1
18239+5848 STF2323 AC 2012 62 20 88.6 5.06 7.95 A1V N D 182354.65+584802.1
18239+5848 STF2323 AC 2015 63 19 89.4 5.06 7.95 A1V NV 182354.65+584802.1
18239+5848 STF2323 AC 2017 64 19 89.1 5.06 7.95 A1V NV 182354.65+584802.1
18239+5848 STF2323 AC 2020 67 20 88.9 5.06 7.95 A1V NV 182354.65+584802.1

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

 
 
WDS 18239+5848 STF 2323 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18239+5848 STF 2323 AC : MEASURES
 
 
No records found.

 
 
WDS 18239+5848 : VIRTUAL EYEPIECE
 
 

18239+5848 STF2323A mag 5.06 Sp A1V 18239+5848 STF2323B sep 4.5 P.A. 348.00 mag 8.07 Sp F5V 18239+5848 STF2323C sep 89.3 P.A. 19.30 mag 7.9 Sp F8 18239+5848 STF2323D sep 201.7 P.A. 38.20 mag 11 18239+5848 STF2323F sep 81.1 P.A. 71.20 mag 12.9 18239+5848 STF2323G sep 22.9 P.A. 226.90 mag 13.3 18239+5848 STF2323H sep 23.0 P.A. 95.40 mag 14.4 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 18239+5848 : ALADIN DSS IMAGE @ 18h 23m 54.65s +58° 48' 02.1"
 
 
 
 
WDS 18239+5848 STF 2323 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18239+5848  STF2323AC distance=0' 18239+5848  STF2323BC distance=1' 18239+5848  STF2323CD distance=2' 18212+5917  LDS2411 distance=36' 18276+5910  TDT 887 distance=37' 18186+5844  LDS2410 distance=43' 18200+5810  CRB 202 distance=49' 18291+5920  LDS2413 distance=52' 18301+5805  MLR 357 distance=64' 18296+5800  KPP4109 distance=66' 18195+5946  TDS 915 distance=68' 18329+5846  STI2376 distance=70' 18217+5740  MLR 536 distance=70' 18334+5846  STF2353 distance=74' 18334+5842  ES  188 distance=75' 18299+5954  STI 849 distance=81' 18297+5740  LDS2414 distance=82' 18338+5823  LDS2416 distance=82' 18134+5858  TDT 745AB distance=83' 18134+5858  KPP4392AC distance=83' 18347+5828  MLR 358 distance=87' 18263+6013  LDS1465 distance=88' 18125+5852  LDS2407 distance=89' 18172+6007  STI 840 distance=95' 18116+5854  MLR 356 distance=96' 18348+5944  TDS 930 distance=101' 18259+6029  ES 2666 distance=102' 18132+5749  HDS2571 distance=104' 18153+6012  MLR   6 distance=107' 18257+5701  TDT 857 distance=108' 18252+5659  MLR 537 distance=110' 18154+5720  HDS2577 distance=112' 18337+6019  FOX  83 distance=119' 18140+5717  TDT 751 distance=121' 18355+6010  STI 854 distance=121' 18392+5925  TDT 975 distance=124' 18093+5945  A   239BC distance=126' 18093+5945  STF2300AB distance=126' 18093+5945  STF2300AD distance=126' 18295+6047  TOB 150 distance=126' 18181+6051  FOX  81AB distance=130' 18181+6051  ABH  98AE distance=130' 18181+6051  FOX  81AB,C distance=130' 18181+6051  FOX  81CD distance=130' 18399+5815  A   251AB distance=130' 18399+5815  A   251AC distance=130' 18401+5922  UC 3633 distance=130' 18101+6007  MLR   5 distance=132' 18113+6022  MLR 501 distance=134' 18414+5849  STI2381 distance=136' 18147+6045  LDS2409 distance=137' 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 18239+5848 STF2323 AB 348 3.6
Show 18239+5848 STF2323 AF 80 150.5
Show 18239+5848 STF2323 AG 244 35.8
Show 18239+5848 STF2323 AH 93 44.2
Show 18239+5848 STF2323 AC 20 88.9
Show 18239+5848 STF2323 BC 20 86.5 1
Show 18239+5848 STF2323 CD 68 198.2 2
Show 18212+5917 LDS2411 277 117.7 36
Show 18276+5910 TDT 887 29 1.4 37
Show 18186+5844 LDS2410 264 5.4 43
Show 18200+5810 CRB 202 160 32.8 49
Show 18291+5920 LDS2413 133 10.7 52
Show 18301+5805 MLR 357 24 0.6 64
Show 18296+5800 KPP4109 95 9.8 66
Show 18195+5946 TDS 915 71 1.5 68
Show 18329+5846 STI2376 54 13.7 70
Show 18217+5740 MLR 536 193 0.8 70
Show 18334+5846 STF2353 257 13.6 74
Show 18334+5842 ES 188 219 11.6 75
Show 18299+5954 STI 849 352 13.6 81
Show 18297+5740 LDS2414 198 7.4 82
Show 18338+5823 LDS2416 94 13.3 82
Show 18134+5858 TDT 745 AB 326 1.3 83
Show 18134+5858 KPP4392 AC 150 4.5 83
Show 18347+5828 MLR 358 161 1.4 87
Show 18263+6013 LDS1465 337 20.4 88
Show 18125+5852 LDS2407 329 126.9 89
Show 18172+6007 STI 840 7 13.9 95
Show 18116+5854 MLR 356 149 1.4 96
Show 18348+5944 TDS 930 38 1.1 101
Show 18259+6029 ES 2666 270 45.2 102
Show 18132+5749 HDS2571 310 0.3 104
Show 18153+6012 MLR 6 58 0.1 107
Show 18257+5701 TDT 857 221 0.6 108
Show 18252+5659 MLR 537 56 0.6 110
Show 18154+5720 HDS2577 330 0.2 112
Show 18337+6019 FOX 83 28 0.7 119
Show 18140+5717 TDT 751 20 0.7 121
Show 18355+6010 STI 854 230 10.5 121
Show 18392+5925 TDT 975 42 0.6 124
Show 18093+5945 A 239 BC 188 3.9 126
Show 18093+5945 STF2300 AB 51 12.1 126
Show 18093+5945 STF2300 AD 89 24.7 126
Show 18295+6047 TOB 150 302 91.1 126
Show 18181+6051 FOX 81 AB 312 0.9 130
Show 18181+6051 ABH 98 AE 34 49.8 130
Show 18181+6051 FOX 81 AB,C 268 34.8 130
Show 18181+6051 FOX 81 CD 202 15.4 130
Show 18399+5815 A 251 AB 53 4.0 130
Show 18399+5815 A 251 AC 78 13.5 130
Show 18401+5922 UC 3633 276 49.7 130

 
 
WDS 18239+5848 : COMPONENTS
 
 
  A B C D F G
B pa=348.0°
sep=4.50"
 
C pa=19.3°
sep=89.32"
pa=20.9°
sep=85.51"
 
D pa=38.2°
sep=201.67"
pa=39.2°
sep=198.81"
pa=52.0°
sep=120.65"
 
F pa=71.2°
sep=81.10"
pa=74.4°
sep=80.68"
pa=140.9°
sep=74.93"
pa=199.9°
sep=140.81"
 
G pa=226.9°
sep=22.85"
pa=218.2°
sep=25.47"
pa=204.8°
sep=110.09"
pa=219.0°
sep=224.28"
pa=245.9°
sep=102.35"
 
H pa=95.4°
sep=22.96"
pa=105.4°
sep=24.67"
pa=184.4°
sep=86.71"
pa=212.3°
sep=190.23"
pa=242.3°
sep=60.89"
pa=71.2°
sep=41.76"
 
 
18239+5848 A
 
 
Name 39 Dra Coord arcsec 2000 182354.65+584802.1 Mag 5.06 Spectral class A1V (white)
PmRA -37.00 PmDE 62.0 SAO 30949 HIP 90156
Tycho2 3916-01982-1 HD 170073 HR 6923 GC 25151
ADS 11336 BD BD+58 1809 Flamsteed 39 Draconis Flamsteed name 39 Dra
Tycho2
Tycho2 3916-01982-1 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 5.131 E BTmag 0.014 VTmag 5.058
E VTmag 0.009 Prox 38 TYC T HIP 90156
CCDM A RAdeg 275.97769528 DEdeg 58.80058500 EpRA 1990 1.69
EpDE 1990 1.32 E RAdeg 3.3 E DEdeg 3.8 Posflg
Corr -0.1
SAO
SAO 30949 DelFlag RA1950 PmRA1950 -0.0057
DE1950 PmDE1950 0.061 Vmag 4.9 SpType A2
Double code Source 71 CatNum 694 DM BD+58 1809
DMcomp BDsup HD 170073 M HD 0
GC 25151 RA1950rad 4.81352159 DE1950rad 1.02575181 PmRA2000 -0.005
PmDE2000 0.06
Hipparcos
Catalog H HIP 90156 Proxy H RAhms 18 23 54.65
DEdms +58 48 02.1 Vmag 4.98 VarFlag R Vmag G
RAdeg 275.978 DEdeg 58.8006 AstroRef A Plx 17.31
CCDM 18240+5848 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 350 Rho 3.783 HD 170073 BD BD+58 1809
CD CP Dm number +58 1809 VIred 0.05
SpType A3V R SpType Coord arcsec 2000 182354.65+584802.1
Hipparcos 2
HIP 90156 Sn 15 So 3 Nc 2
RArad 4.8167195997 DErad 1.0262638086 Plx 17.71 PmRA -37.82
PmDE 61.6 E RArad 0.35 E DErad 0.31 E Plx 0.35
E pmRA 0.39 E pmDE 0.41 Hpmag 5.0103 E Hpmag 0.0005
SHp 0.004 VA 0 BV 0.082 E BV 0.002
VI 0.05
 
 
18239+5848 B
 
 
Coord arcsec 2000 182354.53+584806.5 Coord calc 182354.53+584806.5 Mag 8.07 Spectral class F5V (yellow-white)
PmRA -38.00 PmDE 62.0 Calc delta mag 3.01
 
 
18239+5848 C
 
 
Coord arcsec 2000 182358.45+584926.4 Coord calc 182358.45+584926.4 Mag 7.9 Spectral class F8 (yellow-white)
PmRA -42.00 PmDE 61.0 SAO 30950 Tycho2 3916-00698-1
HD 238865 ADS 11336 DM BD+58 1810 Calc delta mag 2.84
Tycho2
Tycho2 3916-00698-1 Pflag RAmdeg 275.99351450 DEmdeg 58.82399229
PmRA -42.0 PmDE 61.0 E RAmdeg 5 E DEmdeg 6
E pmRA 1.0 E pmDE 1.2 EpRAm 1991.23 EpDEm 1990.98
Num 10 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.7 BTmag 8.491 E BTmag 0.016 VTmag 7.949
E VTmag 0.012 Prox 856 TYC T HIP
CCDM RAdeg 275.99370194 DEdeg 58.82384750 EpRA 1990 1.66
EpDE 1990 1.47 E RAdeg 5.4 E DEdeg 6.2 Posflg
Corr 0.2
SAO
SAO 30950 DelFlag RA1950 PmRA1950 -0.0042
DE1950 PmDE1950 0.075 Vmag 8.9 SpType F8
Double code Source 38 CatNum 9782 DM BD+58 1810
DMcomp BDsup HD 238865 M HD 0
GC RA1950rad 4.81381483 DE1950rad 1.02615853 PmRA2000 -0.0035
PmDE2000 0.074
 
 
18239+5848 D
 
 
Coord arcsec 2000 182410.70+585040.6 Mag 11 Calc delta mag 5.94 Calc coord yes
 
 
18239+5848 F
 
 
Coord arcsec 2000 182404.53+584828.2 Mag 12.9 PmRA 5.00 PmDE -10.0
Calc delta mag 7.84 Calc coord yes
 
 
18239+5848 G
 
 
Coord arcsec 2000 182352.50+584746.5 Mag 13.3 PmRA 5.00 PmDE -16.0
Calc delta mag 8.24 Calc coord yes
 
 
18239+5848 H
 
 
Coord arcsec 2000 182357.59+584759.9 Mag 14.4 Calc delta mag 9.34 Calc coord yes