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Current system
19171+0920
STT 370 BC


Nearby doubles
16' : 19181+0922
FYM9370

36' : 19177+0847
HJ 5509

38' : 19161+0955
J 2543

42' : 19174+1000
J 3215

45' : 19198+0902
J 1334

56' : 19177+1015
A 1176

63' : 19134+0949
BRT3225

64' : 19204+0840
TDT1384

68' : 19212+0949
HJ 884AB

70' : 19217+0912
AG 229

75' : 19141+0820
HEI 809

82' : 19145+1033
A 1175

84' : 19115+0933
OL 63

85' : 19132+0819
J 2953

87' : 19118+0842
HJ 878

88' : 19198+1036
HJ 882

92' : 19233+0911
J 2547

100' : 19165+1100
J 1198

101' : 19138+0753
HEI 872

102' : 19103+0937
LEP 165

102' : 19132+0757
GWP2824

109' : 19102+0841
STF2468

111' : 19244+0902
TDT1432

114' : 19205+1102
REP 49AB

114' : 19106+0819
J 2949

115' : 19242+1004
TDT1427



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

19171+0920 STT 370 BC

 
 
19h 17m 03.47s +09° 20' 38.4" P.A. 129.00 sep 22.6 mag 8.71,13.38 Sp A dist. 66.84 pc (218.03 l.y.)
 
 
Coord 2000 19171+0920 Discov num STT 370 Comp BC Coord arcsec 2000 19 17 03.47 +09 20 38.4
Date first 1999 Date last 2015 Obs 10
Pa first 129 Pa last 129.1 P.A. Now (θ) 129.1°
Sep first 22.6 Sep last 22.622 Sep. Now (ρ) 22.622"
Mag pri 8.71 Mag sec 13.38 delta mag (ΔM) 4.67 Spectral class A (white)
Pri motion ra +012 Sec motion ra +003
Pri motion dec +000 Sec motion dec -003
Notes N W (See Notes, )
rPM=0.791
Nature of this double is uncertain.
 
 
19171+0920 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V342 Aql 124465 19 17 03 +09 20 20 STT 370 AB 2021 56 14 19.5 8.34 8.71 0.37
Show 124465 19 17 03 +09 20 20 STT 370 AC 2015 10 78 22.7 8.34 13.38 5.04
Show 124466 19 17 03 +09 20 38 STT 370 BC 2015 10 129 22.6 8.71 13.38 4.67 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V342 Aql Constellation Aquila SAO 124466 HIP 94774
Tycho2 1042-02864-1 Gaia DR2 4308972776343720064 HD 180639 GC 26588
BD BD+09 4048 Distance 66.84 Distance ly 218.03
 
 
WDS 19171+0920 STT 370 BC : NOTES
 
 
discov_num notes refcode
STT 370 B is the Algol-type system V342 Aql.
A 180.5-d spectroscopic orbit has been found for the A component. Grf2012
 
 
REFERENCES
 
 
refcode metd author reference
Grf2012 not - Griffin, R.F. 2012Obs...132..156G
Grf2012 Observatory 132, 156, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19171+0920 STT 370 BC 2007 3 129 22.4 8.71   A N D 191703.47+092038.4
19171+0920 STT 370 BC 2009 4 129 22.8 8.71   A N D 191703.47+092038.4
19171+0920 STT 370 BC 2013 6 130 22.2 8.71 13.38 A N 191703.47+092038.4
19171+0920 STT 370 BC 2015 7 129 22.6 8.71 13.38 A N W 191703.47+092038.4

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

 
 
WDS 19171+0920 STT 370 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19171+0920 STT 370 BC : MEASURES
 
 
No records found.

 
 
WDS 19171+0920 : VIRTUAL EYEPIECE
 
 

19171+0920 STT 370A mag 8.34 Sp K2II 19171+0920 STT 370B sep 19.4 P.A. 13.70 mag 8.71 Sp A 19171+0920 STT 370C sep 22.4 P.A. 77.70 mag 13.38 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 19171+0920 : ALADIN DSS IMAGE @ 19h 17m 03.47s +09° 20' 38.4"
 
 
 
 
WDS 19171+0920 STT 370 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19171+0920 STT 370BC distance=0' 19171+0920 STT 370AB distance=1' 19171+0920 STT 370AC distance=1' 19181+0922 FYM9370 distance=16' 19177+0847 HJ 5509 distance=36' 19161+0955 J 2543 distance=38' 19174+1000 J 3215 distance=42' 19198+0902 J 1334 distance=45' 19177+1015 A 1176 distance=56' 19134+0949 BRT3225 distance=63' 19204+0840 TDT1384 distance=64' 19212+0949 HJ 884BC distance=67' 19212+0949 HJ 884AB distance=68' 19217+0912 AG 229 distance=70' 19141+0820 HEI 809 distance=75' 19145+1033 A 1175 distance=82' 19115+0933 OL 63 distance=84' 19132+0819 J 2953 distance=85' 19118+0842 HJ 878 distance=87' 19198+1036 HJ 882 distance=88' 19233+0911 J 2547 distance=92' 19233+0931 A 1179BC distance=93' 19233+0931 STF2510A,BC distance=93' 19165+1100 J 1198 distance=100' 19138+0753 HEI 872 distance=101' 19103+0937 LEP 165 distance=102' 19132+0757 GWP2824 distance=102' 19102+0841 STF2468 distance=109' 19244+0902 TDT1432 distance=111' 19205+1102 WHT 3Ba,Bb distance=114' 19205+1102 REP 49AB distance=114' 19106+0819 J 2949 distance=114' 19242+1004 TDT1427 distance=115' 19248+0911 J 2173 distance=117' 19109+0807 STF2471 distance=117' 19170+0724 A 363 distance=117' 19249+0910 J 2174 distance=117' 19114+0759 HDS2718 distance=117' 19100+1016 TDT1266 distance=118' 19219+1055 A 1178 distance=119' 19097+0832 A 1173 distance=119' 19110+0801 GMC 17 distance=121' 19247+1005 HDS2756 distance=122' 19247+0833 WSI 108 distance=123' 19094+1014 CHR 140 distance=126' 19256+0907 SOL 1 distance=127' 19165+0712 HJ 2861 distance=129' 19208+0722 TDT1390 distance=131' 19230+0744 TDT1410 distance=131' 19082+0859 HJ 876AB distance=133' 19083+0948 HEI 807 distance=133' 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 19171+0920 STT 370 BC 129 22.6
Show 19171+0920 STT 370 AB 14 19.5 1
Show 19171+0920 STT 370 AC 78 22.7 1
Show 19181+0922 FYM9370 304 14.5 16
Show 19177+0847 HJ 5509 105 7.1 36
Show 19161+0955 J 2543 15 0.9 38
Show 19174+1000 J 3215 347 1.8 42
Show 19198+0902 J 1334 178 3.1 45
Show 19177+1015 A 1176 105 1.3 56
Show 19134+0949 BRT3225 52 4.0 63
Show 19204+0840 TDT1384 65 0.6 64
Show 19212+0949 HJ 884 BC 238 10.4 67
Show 19212+0949 HJ 884 AB 299 42.8 68
Show 19217+0912 AG 229 162 32.9 70
Show 19141+0820 HEI 809 84 2.1 75
Show 19145+1033 A 1175 39 2.9 82
Show 19115+0933 OL 63 57 1.8 84
Show 19132+0819 J 2953 234 5.6 85
Show 19118+0842 HJ 878 340 22.0 87
Show 19198+1036 HJ 882 290 9.7 88
Show 19233+0911 J 2547 276 2.0 92
Show 19233+0931 A 1179 BC 184 0.3 93
Show 19233+0931 STF2510 A,BC 181 9.0 93
Show 19165+1100 J 1198 353 3.6 100
Show 19138+0753 HEI 872 270 1.8 101
Show 19103+0937 LEP 165 211 3.4 102
Show 19132+0757 GWP2824 342 12.8 102
Show 19102+0841 STF2468 258 7.7 109
Show 19244+0902 TDT1432 102 2.1 111
Show 19205+1102 WHT 3 Ba,Bb 107 0.2 114
Show 19205+1102 REP 49 AB 174 5.6 114
Show 19106+0819 J 2949 246 6.1 114
Show 19242+1004 TDT1427 80 0.5 115
Show 19248+0911 J 2173 99 4.0 117
Show 19109+0807 STF2471 122 8.6 117
Show 19170+0724 A 363 171 2.0 117
Show 19249+0910 J 2174 342 7.2 117
Show 19114+0759 HDS2718 308 0.1 117
Show 19100+1016 TDT1266 112 1.0 118
Show 19219+1055 A 1178 332 4.5 119
Show 19097+0832 A 1173 2 2.1 119
Show 19110+0801 GMC 17 13 25.2 121
Show 19247+1005 HDS2756 22 0.2 122
Show 19247+0833 WSI 108 332 0.1 123
Show 19094+1014 CHR 140 29 0.3 126
Show 19256+0907 SOL 1 313 22.9 127
Show 19165+0712 HJ 2861 54 11.9 129
Show 19208+0722 TDT1390 80 0.4 131
Show 19230+0744 TDT1410 196 2.4 131
Show 19082+0859 HJ 876 AB 355 23.1 133
Show 19083+0948 HEI 807 27 1.5 133

 
 
WDS 19171+0920 : COMPONENTS
 
 
  A B
B pa=13.7°
sep=19.35"
 
C pa=77.7°
sep=22.36"
pa=129.1°
sep=22.26"
 
 
19171+0920 A
 
 
Name V342 Aql Coord arcsec 2000 191703.16+092019.6 Mag 8.34 Spectral class K2II (yellow-orange)
PmRA 10.00 PmDE -1.0 SAO 124465 HIP 94773
Tycho2 1042-02854-1 HD 180660 GC 26587 BD BD+09 4047
Tycho2
Tycho2 1042-02854-1 Pflag RAmdeg 289.26319536 DEmdeg 9.33876164
PmRA 9.0 PmDE -3.7 E RAmdeg 8 E DEmdeg 10
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.00 EpDEm 1990.62
Num 11 Q RAmdeg 1.1 Q DEmdeg 1.6 Q pmRA 1.2
Q pmDE 1.7 BTmag 9.870 E BTmag 0.026 VTmag 8.339
E VTmag 0.013 Prox 195 TYC T HIP 94773
CCDM A RAdeg 289.26317472 DEdeg 9.33876972 EpRA 1990 1.85
EpDE 1990 1.66 E RAdeg 7.6 E DEdeg 9.6 Posflg
Corr 0.2
SAO
SAO 124465 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 0.006 Vmag 8.5 SpType K0
Double code Source 70 CatNum 26587 DM BD+09 4047
DMcomp BDsup HD 180660 M HD 0
GC 26587 RA1950rad 5.03815757 DE1950rad 0.16141435 PmRA2000 0
PmDE2000 0.004
Hipparcos
Catalog H HIP 94773 Proxy RAhms 19 17 03.16
DEdms +09 20 19.6 Vmag 8.23 VarFlag R Vmag G
RAdeg 289.263 DEdeg 9.33877 AstroRef A Plx -6.21
CCDM 19171+0920 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 180660 BD BD+09 4047
CD CP Dm number +09 4047 VIred 1.33
SpType K2II+... R SpType Coord arcsec 2000 191703.16+092019.6
Hipparcos 2
HIP 94773 Sn 95 So 3 Nc 1
RArad 5.0485946288 DErad 0.1629923327 Plx 6.5 PmRA 3.52
PmDE 6.71 E RArad 3.1 E DErad 2.06 E Plx 3.52
E pmRA 3.59 E pmDE 2.72 Hpmag 8.4003 E Hpmag 0.039
SHp 0.124 VA 0 BV 1.36 E BV 0
VI 1.33
CCDM
Ccdm 19171+0920 RComp Comp A Note1
Note2 Discov num DRAs -2.81 DDEs 19.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.5 Sp K0 PmNote *
PmRA 20 PmDE 1 Dm number +09 4047 Cat1 BD
Name2 +09 2425 Cat2 AGK2/3 HD 180660 M HD
ADS BDS A12259 M ADS BDS N IDS IDS 19123N0911A
HIC 94773
 
 
19171+0920 B
 
 
Var name V342 Aql Coord arcsec 2000 191703.47+092038.4 Coord calc 191703.47+092038.4 Mag 8.71
Spectral class A (white) PmRA 12.00 PmDE 0.0 SAO 124466
HIP 94774 Tycho2 1042-02864-1 HD 180639 GC 26588
BD BD+09 4048 Calc delta mag 0.37
Tycho2
Tycho2 1042-02864-1 Pflag RAmdeg 289.26447161 DEmdeg 9.34402229
PmRA 6.2 PmDE -7.2 E RAmdeg 8 E DEmdeg 9
E pmRA 2.6 E pmDE 2.5 EpRAm 1991.70 EpDEm 1991.50
Num 4 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 1.0 BTmag 9.095 E BTmag 0.018 VTmag 8.706
E VTmag 0.015 Prox 195 TYC T HIP 94774
CCDM B RAdeg 289.26445694 DEdeg 9.34403889 EpRA 1990 1.81
EpDE 1990 1.65 E RAdeg 7.5 E DEdeg 8.9 Posflg
Corr 0.2
SAO
SAO 124466 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 0.015 Vmag 9.1 SpType F0
Double code Source 70 CatNum 26588 DM BD+09 4048
DMcomp BDsup HD 180639 M HD 0
GC 26588 RA1950rad 5.03817735 DE1950rad 0.16150753 PmRA2000 -0.0003
PmDE2000 0.013
Hipparcos
Catalog H HIP 94774 Proxy RAhms 19 17 03.47
DEdms +09 20 38.5 Vmag 8.73 VarFlag R Vmag H
RAdeg 289.264 DEdeg 9.34404 AstroRef B Plx -6.96
CCDM 19171+0920 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 180639 BD BD+09 4048
CD CP Dm number +09 4048 VIred 0.38
SpType A4II R SpType Coord arcsec 2000 191703.47+092038.5
Hipparcos 2
HIP 94774 Sn 95 So 3 Nc 1
RArad 5.0486173035 DErad 0.1630842666 Plx 14.96 PmRA 6.22
PmDE 5.22 E RArad 5.7 E DErad 4.1 E Plx 6.89
E pmRA 7.22 E pmDE 5.77 Hpmag 8.8681 E Hpmag 0.0527
SHp 0 VA 0 BV 0.362 E BV 0.023
VI 0.42
CCDM
Ccdm 19171+0920 RComp Comp B Note1
Note2 Discov num STT 370 DRAs -2.56 DDEs 37.9
R dRAs 10 Year 1846 Theta 014 Rho 19.6
Obs 13 Vmag 9.1 Sp A PmNote *
PmRA 3 PmDE -10 Dm number +09 4048 Cat1 BD
Name2 +09 2426 Cat2 AGK2/3 HD 180639 M HD
ADS BDS A12259 M ADS BDS N IDS IDS 19123N0911B
HIC 94774
 
 
19171+0920 C
 
 
Coord arcsec 2000 191704.64+092024.3 Mag 13.38 PmRA 3.00 PmDE -3.0
Calc delta mag 5.04 Calc coord yes
CCDM
Ccdm 19171+0920 RComp Comp C Note1
Note2 Discov num STT 370 DRAs DDEs
R dRAs Year Theta 078 Rho
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12259 M ADS BDS N IDS IDS 19123N0911C
HIC