18458+3431 STF 2390 (HD 173815)

 
 
18h 45m 49.83s +34° 31' 06.6" P.A. 155.00 sep 4.3 mag 7.37,8.56 Sp A7V dist. 357.14 pc (1164.99 l.y.)
 
 
Coord 2000 18458+3431 Discov num STF2390 Comp Coord arcsec 2000 18 45 49.83 +34 31 06.6
Date first 1825 Date last 2016 Obs 57
Pa first 158 Pa last 154.5 P.A. Now (θ) 154.5°
Sep first 4.5 Sep last 4.253 Sep. Now (ρ) 4.253"
Mag pri 7.37 Mag sec 8.56 delta mag (ΔM) 1.19 Spectral class A7V (white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -014 Sec motion dec -014
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173815 Constellation Lyra SAO 67350 HIP 92060
Tycho2 2646-02539-1 Gaia DR2 2091791120611418752 HD 173815 GC 25720
ADS 11669 BD BD+34 3310 Distance 357.14 Distance ly 1164.99
 
 
WDS 18458+3431 STF 2390 (HD 173815) : NOTES
 
 
discov_num notes refcode
STF2390 H 2 67. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
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
18458+3431 STF2390 2005 44 155 4.2 7.37 8.56 A7V D 184549.83+343106.6
18458+3431 STF2390 2008 46 155 4.2 7.37 8.56 A7V D 184549.83+343106.6
18458+3431 STF2390 2010 50 156 4.4 7.37 8.56 A7V D 184549.83+343106.6
18458+3431 STF2390 2011 53 155 4.2 7.37 8.56 A7V N D 184549.83+343106.6
18458+3431 STF2390 2015 53 156 4.2 7.37 8.56 A7V N 184549.83+343106.6
18458+3431 STF2390 2016 54 155 4.3 7.37 8.56 A7V N 184549.83+343106.6

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

 
 
WDS 18458+3431 STF 2390 (HD 173815) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18458+3431 STF 2390 (HD 173815) : MEASURES
 
 
No records found.

 
 
WDS 18458+3431 (HD 173815) : VIRTUAL EYEPIECE
 
 

18458+3431 STF2390A mag 7.37 Sp A7V 18458+3431 STF2390B sep 4.1 P.A. 158.50 mag 8.56 virtual eyepiece
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Radius:
Components only
 
 
WDS 18458+3431 (HD 173815) : ALADIN DSS IMAGE @ 18h 45m 49.83s +34° 31' 06.6"
 
 
 
 
WDS 18458+3431 STF 2390 (HD 173815) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18458+3431  STF2390 distance=0' 18465+3414  COU1153 distance=19' 18438+3433  SEI 573 distance=26' 18475+3415  KPP4122 distance=27' 18464+3500  SLE 367 distance=30' 18483+3432  POP  43 distance=32' 18445+3400  STTA172 distance=36' 18430+3445  BKO  52BD distance=38' 18430+3445  SEI 572AB distance=38' 18430+3445  BKO  52AC distance=38' 18490+3432  YSC  11 distance=40' 18425+3432  POP  45 distance=42' 18487+3401  HU  936 distance=47' 18421+3445  BLL  34BC distance=48' 18421+3445  B  2546Aa,Ab distance=48' 18421+3445  STF2372AB distance=48' 18421+3445  BLL  34AC distance=48' 18426+3459  UC 3650 distance=49' 18496+3415  COU1155 distance=49' 18420+3505  SEI 570 distance=59' 18416+3503  GRV 237 distance=61' 18495+3512  POP  44 distance=62' 18452+3532  STF2386AB distance=62' 18452+3532  FOX 234AC distance=62' 18462+3328  COU1152 distance=63' 18491+3343  UC 3682 distance=63' 18434+3533  STF2378BC distance=69' 18434+3533  STF2378AB distance=69' 18434+3533  SLE 688AD distance=69' 18434+3533  STF2378AC distance=69' 18434+3533  FYM  48AE distance=69' 18434+3533  FYM  48AF distance=69' 18403+3425  HDS2645AB distance=70' 18403+3425  GII 270Aa,Ab distance=70' 18535+3437  L    26 distance=71' 18515+3418  DAM1253 distance=72' 18518+3410  GYL  10 distance=76' 18427+3326  UC 3651 distance=77' 18494+3324  J   765 distance=78' 18394+3430  SEI 568 distance=79' 18488+3319  HJ 1349AB distance=81' 18511+3524  J   110 distance=84' 18501+3322  BU  293EF distance=87' 18416+3541  KPP4116 distance=88' 18528+3448  DAM 288AB distance=88' 18528+3448  DAM 288AC distance=88' 18501+3322  RBR  11Aa,Ab distance=88' 18501+3322  STFA 39AB (Sheliak) distance=88' 18501+3322  BU  293AC (Sheliak) distance=88' 18501+3322  BU  293AD (Sheliak) distance=88' 18501+3322  BU  293AE (Sheliak) distance=88' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18458+3431 STF2390 155 4.3
Show 18465+3414 COU1153 116 0.4 19
Show 18438+3433 SEI 573 298 20.9 26
Show 18475+3415 KPP4122 53 4.1 27
Show 18464+3500 SLE 367 290 18.5 30
Show 18483+3432 POP 43 297 2.6 32
Show 18445+3400 STTA172 5 64.9 36
Show 18430+3445 BKO 52 BD 82 7.5 38
Show 18430+3445 SEI 572 AB 53 22.3 38
Show 18430+3445 BKO 52 AC 147 18.7 38
Show 18490+3432 YSC 11 55 0.4 40
Show 18425+3432 POP 45 275 6.8 42
Show 18487+3401 HU 936 101 1.8 47
Show 18421+3445 BLL 34 BC 65 91.1 48
Show 18421+3445 B 2546 Aa,Ab 24 0.1 48
Show 18421+3445 STF2372 AB 82 25.0 48
Show 18421+3445 BLL 34 AC 69 114.0 48
Show 18426+3459 UC 3650 159 22.3 49
Show 18496+3415 COU1155 223 3.3 49
Show 18420+3505 SEI 570 131 9.4 59
Show 18416+3503 GRV 237 176 57.8 61
Show 18495+3512 POP 44 230 9.7 62
Show 18452+3532 STF2386 AB 18 21.1 62
Show 18452+3532 FOX 234 AC 75 56.7 62
Show 18462+3328 COU1152 259 1.7 63
Show 18491+3343 UC 3682 310 18.4 63
Show 18434+3533 STF2378 BC 246 203.5 69
Show 18434+3533 STF2378 AB 190 11.5 69
Show 18434+3533 SLE 688 AD 16 109.8 69
Show 18434+3533 STF2378 AC 243 210.2 69
Show 18434+3533 FYM 48 AE 270 110.9 69
Show 18434+3533 FYM 48 AF 134 66.7 69
Show 18403+3425 HDS2645 AB 19 1.9 70
Show 18403+3425 GII 270 Aa,Ab 109 0.2 70
Show 18535+3437 L 26 71 7.3 71
Show 18515+3418 DAM1253 339 9.8 72
Show 18518+3410 GYL 10 243 24.1 76
Show 18427+3326 UC 3651 218 10.7 77
Show 18494+3324 J 765 333 2.3 78
Show 18394+3430 SEI 568 192 10.5 79
Show 18488+3319 HJ 1349 AB 93 29.9 81
Show 18511+3524 J 110 174 1.9 84
Show 18501+3322 BU 293 EF 66 79.4 87
Show 18416+3541 KPP4116 252 1.7 88
Show 18528+3448 DAM 288 AB 347 11.4 88
Show 18528+3448 DAM 288 AC 301 11.6 88
Show 18501+3322 RBR 11 Aa,Ab 176 0.5 88
Show Sheliak 18501+3322 STFA 39 AB 149 45.7 88
Show Sheliak 18501+3322 BU 293 AC 247 46.8 88
Show Sheliak 18501+3322 BU 293 AD 68 64.0 88
Show Sheliak 18501+3322 BU 293 AE 317 67.2 88

 
 
WDS 18458+3431 : COMPONENTS
 
 
  A
B pa=158.5°
sep=4.12"
 
 
18458+3431 A
 
 
Componente originario normalizzato AB Name HD 173815 Coord arcsec 2000 184549.83+343106.6 Mag 7.37
Spectral class A7V (white) PmRA 5.00 PmDE -14.0 SAO 67350
HIP 92060 Tycho2 2646-02539-1 HD 173815 GC 25720
ADS 11669 BD BD+34 3310
Tycho2
Tycho2 2646-02539-1 Pflag RAmdeg 281.45761828 DEmdeg 34.51850429
PmRA -4.3 PmDE 14.6 E RAmdeg 5 E DEmdeg 6
E pmRA 6.5 E pmDE 7.3 EpRAm 1991.68 EpDEm 1991.43
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.2 Q pmRA 0.2
Q pmDE 0.1 BTmag 7.581 E BTmag 0.016 VTmag 7.367
E VTmag 0.011 Prox 43 TYC T HIP 92060
CCDM A RAdeg 281.45763056 DEdeg 34.51846944 EpRA 1990 1.69
EpDE 1990 1.44 E RAdeg 4.7 E DEdeg 5.5 Posflg
Corr -0.2
SAO
SAO 67350 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.008 Vmag 7.2 SpType A5
Double code Source 70 CatNum 25720 DM BD+34 3310
DMcomp BDsup HD 173815 M HD 0
GC 25720 RA1950rad 4.90444815 DE1950rad 0.60152027 PmRA2000 -0.0001
PmDE2000 -0.008
Hipparcos
Catalog H HIP 92060 Proxy H RAhms 18 45 49.83
DEdms +34 31 06.5 Vmag 7.09 VarFlag R Vmag G
RAdeg 281.458 DEdeg 34.5185 AstroRef A Plx 4.25
CCDM 18458+3431 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 155 Rho 4.233 HD 173815 BD BD+34 3310
CD CP Dm number +34 3310 VIred 0.24
SpType A5 R SpType Coord arcsec 2000 184549.83+343106.5
Hipparcos 2
HIP 92060 Sn 15 So 3 Nc 2
RArad 4.9123623689 DErad 0.602461017 Plx 2.8 PmRA 5.41
PmDE -13.5 E RArad 0.45 E DErad 0.55 E Plx 0.65
E pmRA 0.58 E pmDE 0.75 Hpmag 7.1464 E Hpmag 0.0012
SHp 0.013 VA 0 BV 0.215 E BV 0.015
VI 0.24
CCDM
Ccdm 18458+3431 RComp Comp A Note1
Note2 Discov num DRAs 1.75 DDEs 7.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.2 Sp A5 PmNote *
PmRA -5 PmDE -7 Dm number +34 3310 Cat1 BD
Name2 67350 Cat2 SAO HD 173815 M HD
ADS BDS A11669 M ADS BDS N IDS IDS 18422N3425A
HIC 92060
 
 
18458+3431 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184549.95+343102.8 Mag 8.56 PmRA 5.00
PmDE -14.0 Calc delta mag 1.19 Calc coord yes
CCDM
Ccdm 18458+3431 RComp Comp B Note1
Note2 Discov num STF2390 DRAs DDEs
R dRAs Year 1830 Theta 157 Rho 4.2
Obs 18 Vmag 8.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11669 M ADS BDS N IDS IDS 18422N3425B
HIC 92060