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Current system
19487+1149
STF 2583 AB
Pi Aql


Nearby doubles
10' : 19491+1142
BPM1643

15' : 19495+1140
BPMA187

16' : 19497+1147
BPM1663

19' : 19499+1145
BPM1671

21' : 19485+1210
BPMA181

24' : 19503+1148
BPM1680AB

25' : 19476+1207
BPM1571

26' : 19479+1211
BPM1589

28' : 19497+1214
J 2286AB

29' : 19493+1216
BPM1644

29' : 19477+1125
BPMA176

30' : 19473+1128
J 2185AB

32' : 19480+1218
BPM1602

34' : 19475+1217
BPM1565

36' : 19479+1115
J 494

36' : 19511+1140
BPMA192

37' : 19463+1139
BPM1514

38' : 19510+1130
KPP1121

39' : 19474+1222
BPM1561

40' : 19514+1155
BPMA194AB

41' : 19479+1227
BPM1590

42' : 19506+1221
BPM1691

44' : 19502+1226
BPM1679

46' : 19509+1116
BPM1705

47' : 19455+1148
BRT1325

47' : 19459+1127
BPM1497



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19487+1149 STF 2583 AB (Pi Aql)

 
 
19h 48m 42.05s +11° 48' 57.3" P.A. 104.00 sep 1.4 mag 6.34,6.75 Sp A3V+F9III dist. 157.73 pc (514.52 l.y.)
 
 
Coord 2000 19487+1149 Discov num STF2583 Comp AB Coord arcsec 2000 19 48 42.05 +11 48 57.3
Date first 1783 Date last 2019 Obs 342
Pa first 124 Pa last 104.4 P.A. Now (θ) 104.4°
Sep first 1.4 Sep last 1.425 Sep. Now (ρ) 1.425"
Mag pri 6.34 Mag sec 6.75 delta mag (ΔM) 0.41 Spectral class A3V+F9III (white/yellow-white)
Pri motion ra +019 Sec motion ra +019
Pri motion dec -014 Sec motion dec -014
Notes N (See Notes)
Nature of this double is uncertain.
 
 
19487+1149 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Pi Aql 105282 19 48 42 +11 48 57 STF 2583 AB 2019 342 104 1.4 6.34 6.75 0.41 <===
Show 105282 19 48 42 +11 48 57 STF 2583 AC 2012 10 298 36.2 6.34 12.90 6.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Pi Aql Var name NSV12425 Aql Constellation Aquila SAO 105282
HIP 97473 Tycho2 1066-03553-2 Gaia DR2 4304528687797449984 HD 187259
HR 7544 GC 27418 ADS 12962 BD BD+11 3994
Bayer Pi Aquilae Bayer name Pi Aql Flamsteed 52 Aquilae Flamsteed name 52 Aql
Distance 157.73 Distance ly 514.52 Bayer greek π Aql
 
 
WDS 19487+1149 STF 2583 AB (Pi Aql) : NOTES
 
 
discov_num notes refcode
STF2583 pi Aql = 52 Aql
AB: Absolute quadrant determined in 1998.657 and 1998.660 by
triple-correlation techniques. Pru2002b
AB: H 1 92. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Pru2002b S j Prieur, J.-L., Koechlin, L., Ginestet, N., Carquillat, J.-M., Aristidi, E., 2002ApJS..142...95P
Pru2002b Scardia, M., Arnold, L., Avila, R., et al.
Pru2002b ApJS 142, 95, 2002
 
 
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
19487+1149 STF2583 AB 2007 345 103 1.4 6.34 6.75 A3V+F9III N D 194842.05+114857.3
19487+1149 STF2583 AB 2008 350 104 1.4 6.34 6.75 A3V+F9III N D 194842.05+114857.3
19487+1149 STF2583 AB 2009 355 105 1.4 6.34 6.75 A3V+F9III N D 194842.05+114857.3
19487+1149 STF2583 AB 2011 356 107 1.6 6.34 6.75 A3V F9III N D 194842.05+114857.3
19487+1149 STF2583 AB 2012 359 106 1.3 6.34 6.75 A3V F9III N D 194842.05+114857.3
19487+1149 STF2583 AB 2013 368 103 1.3 6.34 6.75 A3V F9III N D 194842.05+114857.3
19487+1149 STF2583 AB 2014 320 105 1.5 6.34 6.75 A3V F9III N D 194842.05+114857.3
19487+1149 STF2583 AB 2015 324 102 1.4 6.34 6.75 A3V+F9III N 194842.05+114857.3
19487+1149 STF2583 AB 2016 328 106 1.5 6.34 6.75 A3V+F9III N 194842.05+114857.3
19487+1149 STF2583 AB 2017 334 106 1.4 6.34 6.75 A3V+F9III N 194842.05+114857.3
19487+1149 STF2583 AB 2018 336 106 1.4 6.34 6.75 A3V+F9III N 194842.05+114857.3
19487+1149 STF2583 AB 2019 337 105 1.4 6.34 6.75 A3V+F9III N 194842.05+114857.3

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

 
 
WDS 19487+1149 STF 2583 AB (Pi Aql) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19487+1149 STF 2583 AB (Pi Aql) : MEASURES
 
 
No records found.

 
 
WDS 19487+1149 (Pi Aql) : VIRTUAL EYEPIECE
 
 

19487+1149 STF2583A mag 6.34 Sp A3V 19487+1149 STF2583B sep 1.4 P.A. 104.70 mag 6.75 Sp F9III 19487+1149 STF2583C sep 35.5 P.A. 298.10 mag 12.9 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 19487+1149 (Pi Aql) : ALADIN DSS IMAGE @ 19h 48m 42.05s +11° 48' 57.3"
 
 
 
 
WDS 19487+1149 STF 2583 AB (Pi Aql) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19487+1149 STF2583AB distance=0' 19491+1142 BPM1643 distance=10' 19495+1140 BPMA187 distance=15' 19497+1147 BPM1663 distance=16' 19499+1145 BPM1671 distance=19' 19485+1210 BPMA181 distance=21' 19503+1148 BPM1680AB distance=24' 19476+1207 BPM1571 distance=25' 19503+1148 BPM1681BC distance=25' 19479+1211 BPM1589 distance=26' 19497+1214 J 2286AB distance=28' 19497+1214 J 2286AC distance=28' 19493+1216 BPM1644 distance=29' 19477+1125 BPMA176 distance=29' 19473+1128 J 2185AB distance=30' 19473+1128 J 2185BC distance=30' 19480+1218 BPM1602 distance=32' 19475+1217 BPM1565 distance=34' 19479+1115 J 494 distance=36' 19511+1140 BPMA192 distance=36' 19463+1139 BPM1514 distance=37' 19510+1130 KPP1121 distance=38' 19474+1222 BPM1561 distance=39' 19514+1155 BPMA194CD distance=39' 19514+1155 BPMA194CE distance=39' 19514+1155 BPMA194AB distance=40' 19514+1155 BPMA194AC distance=40' 19479+1227 BPM1590 distance=41' 19506+1221 BPM1691 distance=42' 19502+1226 BPM1679 distance=44' 19509+1116 BPM1705 distance=46' 19455+1148 BRT1325 distance=47' 19459+1127 BPM1497 distance=47' 19517+1209 BPM1730 distance=49' 19470+1232 HJ 1435 distance=50' 19520+1135 SMR 37 distance=51' 19521+1138 BUP 200AB distance=51' 19521+1138 SMR 38AC distance=51' 19475+1238 GRV 279 distance=52' 19452+1152 TDT1710 distance=52' 19460+1116 GWP2891 distance=53' 19522+1153 BPM1762 distance=53' 19463+1227 BPM1513 distance=53' 19484+1242 BPMA179 distance=53' 19458+1118 BPM1493 distance=53' 19450+1145 BPM1457BC distance=54' 19496+1241 A 1659 distance=54' 19450+1145 BPM1456AB distance=55' 19476+1242 BPM1573 distance=56' 19449+1150 BPM1448 distance=57' 19453+1217 BPM1468 distance=58' 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 19487+1149 STF2583 AB 104 1.4
Show 19487+1149 STF2583 AC 298 36.2
Show 19491+1142 BPM1643 125 52.7 10
Show 19495+1140 BPMA187 337 214.1 15
Show 19497+1147 BPM1663 291 49.0 16
Show 19499+1145 BPM1671 219 71.0 19
Show 19485+1210 BPMA181 32 188.0 21
Show 19503+1148 BPM1680 AB 68 74.8 24
Show 19476+1207 BPM1571 202 76.1 25
Show 19503+1148 BPM1681 BC 345 107.6 25
Show 19479+1211 BPM1589 194 96.2 26
Show 19497+1214 J 2286 AB 209 7.9 28
Show 19497+1214 J 2286 AC 93 9.0 28
Show 19493+1216 BPM1644 35 33.7 29
Show 19477+1125 BPMA176 297 220.4 29
Show 19473+1128 J 2185 AB 182 46.9 30
Show 19473+1128 J 2185 BC 205 5.8 30
Show 19480+1218 BPM1602 72 118.4 32
Show 19475+1217 BPM1565 58 58.9 34
Show 19479+1115 J 494 158 3.7 36
Show 19511+1140 BPMA192 238 141.9 36
Show 19463+1139 BPM1514 128 56.3 37
Show 19510+1130 KPP1121 314 8.8 38
Show 19474+1222 BPM1561 51 89.4 39
Show 19514+1155 BPMA194 CD 221 3.2 39
Show 19514+1155 BPMA194 CE 51 3.6 39
Show 19514+1155 BPMA194 AB 200 6.2 40
Show 19514+1155 BPMA194 AC 185 273.4 40
Show 19479+1227 BPM1590 323 47.3 41
Show 19506+1221 BPM1691 294 110.6 42
Show 19502+1226 BPM1679 264 9.3 44
Show 19509+1116 BPM1705 191 10.9 46
Show 19455+1148 BRT1325 333 3.9 47
Show 19459+1127 BPM1497 6 21.9 47
Show 19517+1209 BPM1730 38 72.8 49
Show 19470+1232 HJ 1435 297 13.1 50
Show 19520+1135 SMR 37 340 33.7 51
Show 19521+1138 BUP 200 AB 128 87.8 51
Show 19521+1138 SMR 38 AC 326 26.3 51
Show 19475+1238 GRV 279 359 71.0 52
Show 19452+1152 TDT1710 69 0.5 52
Show 19460+1116 GWP2891 202 13.9 53
Show 19522+1153 BPM1762 139 72.4 53
Show 19463+1227 BPM1513 49 67.7 53
Show 19484+1242 BPMA179 31 151.3 53
Show 19458+1118 BPM1493 168 51.3 53
Show 19450+1145 BPM1457 BC 8 104.0 54
Show 19496+1241 A 1659 153 0.1 54
Show 19450+1145 BPM1456 AB 132 101.9 55
Show 19476+1242 BPM1573 262 118.7 56
Show 19449+1150 BPM1448 127 91.5 57

 
 
WDS 19487+1149 : COMPONENTS
 
 
  A B
B pa=104.7°
sep=1.40"
 
C pa=298.1°
sep=35.55"
pa=297.6°
sep=36.91"
 
 
19487+1149 A
 
 
Name Pi Aql Coord arcsec 2000 194842.05+114857.3 Mag 6.34 Spectral class A3V (white)
PmRA 19.00 PmDE -14.0 SAO 105282 HIP 97473
Tycho2 1066-03553-2 HD 187259 HR 7544 GC 27418
BD BD+11 3994 Bayer Pi Aquilae Bayer name Pi Aql Flamsteed 52 Aquilae
Flamsteed name 52 Aql
Tycho2
Tycho2 1066-03553-2 Pflag P RAmdeg 297.17552461 DEmdeg 11.81580106
PmRA 18.5 PmDE -13.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.50 EpDEm 1991.28
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.5 BTmag 7.442 E BTmag 0.015 VTmag 6.336
E VTmag 0.010 Prox 14 TYC HIP 97473
CCDM A RAdeg 297.17520306 DEdeg 11.81592167 EpRA 1990 1.63
EpDE 1990 1.43 E RAdeg 3.7 E DEdeg 4.1 Posflg D
Corr -0.1
SAO
SAO 105282 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.002 Vmag 5.7 SpType +++
Double code Source 70 CatNum 27418 DM BD+11 3994
DMcomp BDsup HD 187259 M HD 0
GC 27418 RA1950rad 5.17640214 DE1950rad 0.20403145 PmRA2000 0.0012
PmDE2000 -0.004
Hipparcos
Catalog H HIP 97473 Proxy H RAhms 19 48 42.05
DEdms +11 48 57.3 Vmag 5.75 VarFlag R Vmag G
RAdeg 297.175 DEdeg 11.8159 AstroRef A Plx 5.72
CCDM 19487+1149 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 108 Rho 1.437 HD 187259 BD BD+11 3994
CD CP Dm number +11 3994 VIred 0.62
SpType F2V:+... R SpType Coord arcsec 2000 194842.05+114857.3
Hipparcos 2
HIP 97473 Sn 15 So 3 Nc 2
RArad 5.1866856969 DErad 0.2062267005 Plx 6.34 PmRA 16.16
PmDE -10.6 E RArad 0.5 E DErad 0.44 E Plx 0.52
E pmRA 0.75 E pmDE 0.8 Hpmag 5.8489 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.546 E BV 0.015
VI 0.62
CCDM
Ccdm 19487+1149 RComp Comp A Note1
Note2 Discov num DRAs 0.11 DDEs -3.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.1 Sp F2 PmNote *
PmRA 12 PmDE -11 Dm number +11 3994 Cat1 BD
Name2 +11 2347 Cat2 AGK2/3 HD 187259 M HD
ADS BDS A12962 M ADS BDS N IDS IDS 19440N1134A
HIC 97473
 
 
19487+1149 B
 
 
Coord arcsec 2000 194842.14+114856.9 Mag 6.75 Spectral class F9III (yellow-white) PmRA 19.00
PmDE -14.0 Tycho2 1066-03553-1 Calc delta mag 0.41 Calc coord yes
Tycho2
Tycho2 1066-03553-1 Pflag P RAmdeg 297.17552461 DEmdeg 11.81580106
PmRA 18.5 PmDE -13.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.50 EpDEm 1991.28
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.5 BTmag 6.814 E BTmag 0.015 VTmag 6.754
E VTmag 0.010 Prox 14 TYC T HIP 97473
CCDM B RAdeg 297.17558972 DEdeg 11.81579972 EpRA 1990 1.63
EpDE 1990 1.42 E RAdeg 3.7 E DEdeg 4.1 Posflg D
Corr -0.1
CCDM
Ccdm 19487+1149 RComp Comp B Note1
Note2 Discov num STF2583 DRAs DDEs
R dRAs Year 1960 Theta 110 Rho 1.4
Obs 99 Vmag 6.9 Sp A2 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 187260 M HD
ADS BDS A12962 M ADS BDS N N IDS IDS 19440N1134B
HIC 97473
 
 
19487+1149 C
 
 
Coord arcsec 2000 194839.91+114914.0 Mag 12.9 PmRA -15.00 PmDE -25.0
Calc delta mag 6.56 Calc coord yes
CCDM
Ccdm 19487+1149 RComp Comp C Note1
Note2 Discov num STF2583 DRAs DDEs
R dRAs Year 1886 Theta 305 Rho 33.6
Obs 4 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12962 M ADS BDS N IDS IDS 19440N1134C
HIC