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Doubles in session


Current system
19487+1504
A 1658
HD 187283


Nearby doubles
5' : 19485+1508
BPM1622

10' : 19493+1502
BPM1646

15' : 19489+1517
BPMA185

16' : 19482+1518
BPM1612

17' : 19478+1515
BPM1580AB

18' : 19484+1520
BPM1617

18' : 19496+1514
BPM1656

18' : 19494+1517
BPM1648

19' : 19475+1512
TDT1753

19' : 19483+1446
TDT1769

22' : 19500+1457
BPM1673

23' : 19473+1514
BPM1555

24' : 19471+1509
HJ 1436

24' : 19502+1455
BPM1676

25' : 19493+1526
BPM1647

25' : 19497+1523
BPM1662

26' : 19468+1510
OL 106

26' : 19475+1522
BPM1567AB

27' : 19497+1525
TDT1783

27' : 19479+1439
BPM1587

28' : 19483+1530
BPM1615

29' : 19490+1436
BPM1636

29' : 19488+1532
BPM1631

31' : 19493+1532
LOC 3

31' : 19480+1532
BPM1598

32' : 19495+1434
BPM1651



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+1504 A 1658 (HD 187283)

 
 
19h 48m 39.64s +15° 03' 32.4" P.A. 54.00 sep 0.2 mag 8.30,8.74 Sp F5V dist. 136.61 pc (445.62 l.y.)
 
 
Coord 2000 19487+1504 Discov num A  1658 Comp Coord arcsec 2000 19 48 39.64 +15 03 32.4
Date first 1907 Date last 2021 Obs 84
Pa first 161 Pa last 54.1 P.A. Now (θ) 47.7°
Sep first 0.2 Sep last 0.233 Sep. Now (ρ) 0.237"
Mag pri 8.30 Mag sec 8.74 delta mag (ΔM) 0.44 Spectral class F5V (yellow-white)
Pri motion ra +044 Sec motion ra
Pri motion dec +012 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187283 Constellation Aquila SAO 105284 HIP 97469
Tycho2 1615-00730-1 Gaia DR2 4317733994259738752 HD 187283 ADS 12961
BD BD+14 4048 Distance 136.61 Distance ly 445.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)88.1y± 1.3 Periastron (T)1991.6y± 1.2 Semi-major axis (a)0.224a± 0.001
Eccentricity (e)0.087± 0.004 Inclination (i)169.8°± 5 Longitude of periastron (ω)228.2°± 35
Node (Ω)51.5°± 40 Notesn ReferenceDoc2009g
Equinox2000 Last observation2000 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 142.8 0.205
2001 138.1 0.206
2002 133.4 0.207
2003 128.7 0.208
2004 124.1 0.210
2005 119.6 0.211
2006 115.1 0.213
2007 110.7 0.214
2008 106.3 0.216
2009 102.0 0.217
2010 97.8 0.219
2011 93.6 0.220
2012 89.5 0.222
2013 85.5 0.224
2014 81.5 0.225
2015 77.5 0.227
2016 73.7 0.228
2017 69.8 0.230
2018 66.1 0.231
2019 62.3 0.233
2020 58.6 0.234
2021 55.0 0.235
2022 51.3 0.236
2023 47.7 0.237
2024 44.2 0.238
2025 40.6 0.239
2026 37.1 0.239
2027 33.6 0.240
2028 30.1 0.241
2029 26.7 0.241
2030 23.2 0.241


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds19487%2B1504b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19487+1504 A 1658 (HD 187283) : NOTES
 
 
discov_num notes refcode
A 1658 Only elements P, T, and a of Couteau (1963) were adjusted in orbit Cou1963c
by Starikova (1981). Sta1981a
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 3.69 +/- 1.11, 3.16, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Cou1963c orb - Couteau, P. .
Cou1963c Bull. Astron. Paris 24, 24, 1963
Doc2009g orb - Docobo, J.A. & Ling, J.F. 2009AJ....138.1159D
Doc2009g AJ 138, 1159, 2009
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sta1981a orb - Starikova, G.A. 1981SvAL....7..130S
Sta1981a SvAL 7, 130, 1981
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19487+1504 A 1658 2000 78 145 0.2 8.30 8.74 F5V NO 194839.64+150332.4
19487+1504 A 1658 2006 79 115 0.2 8.30 8.74 F5V NO 194839.64+150332.4
19487+1504 A 1658 2007 82 112 0.2 8.30 8.74 F5V NO 194839.64+150332.4
19487+1504 A 1658 2015 81 78 0.2 8.30 8.74 F5V NO 194839.64+150332.4
19487+1504 A 1658 2018 82 67 0.2 8.30 8.74 F5V NO 194839.64+150332.4
19487+1504 A 1658 2021 84 54 0.2 8.30 8.74 F5V NO 194839.64+150332.4

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

 
 
WDS 19487+1504 A 1658 (HD 187283) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19487+1504 A 1658 (HD 187283) : MEASURES
 
 
No records found.

 
 
WDS 19487+1504 (HD 187283) : VIRTUAL EYEPIECE
 
 

19487+1504 A 1658A mag 8.3 Sp F5V 19487+1504 A 1658B sep 0.2 P.A. 53.10 mag 8.74 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+1504 (HD 187283) : ALADIN DSS IMAGE @ 19h 48m 39.64s +15° 03' 32.4"
 
 
 
 
WDS 19487+1504 A 1658 (HD 187283) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19487+1504 A 1658 distance=1' 19485+1508 BPM1622 distance=5' 19493+1502 BPM1646 distance=10' 19489+1517 BPMA185 distance=15' 19482+1518 BPM1612 distance=16' 19478+1515 BPM1580AB distance=17' 19478+1515 BPM1581AC distance=17' 19484+1520 BPM1617 distance=18' 19496+1514 BPM1656 distance=18' 19494+1517 BPM1648 distance=18' 19475+1512 TDT1753 distance=19' 19483+1446 TDT1769 distance=19' 19500+1457 BPM1673 distance=22' 19473+1514 BPM1555 distance=23' 19471+1509 HJ 1436 distance=24' 19475+1522 BPM1569BC distance=24' 19502+1455 BPM1676 distance=24' 19475+1522 BPM1570CD distance=24' 19493+1526 BPM1647 distance=25' 19497+1523 BPM1662 distance=25' 19468+1510 OL 106 distance=26' 19475+1522 BPM1567AB distance=26' 19475+1522 BPM1568AC distance=26' 19497+1525 TDT1783 distance=27' 19479+1439 BPM1587 distance=27' 19483+1530 BPM1615 distance=28' 19490+1436 BPM1636 distance=29' 19488+1532 BPM1631 distance=29' 19493+1532 LOC 3 distance=31' 19480+1532 BPM1598 distance=31' 19495+1434 BPM1651 distance=32' 19507+1515 BPM1697 distance=32' 19473+1529 BPM1559 distance=32' 19487+1537 BPM1628AB distance=34' 19487+1537 BPM1629AC distance=34' 19503+1527 BPM1682 distance=34' 19485+1537 BPM1625 distance=34' 19500+1436 BPM1672 distance=34' 19470+1529 TDT1741 distance=35' 19474+1533 BPMA173 distance=35' 19486+1539 BPM1619AB distance=36' 19465+1449 BPM1526 distance=36' 19492+1428 AG 392 distance=37' 19486+1539 BPM1620BC distance=37' 19491+1426 BPM1640BC distance=38' 19469+1531 BPM1542 distance=38' 19509+1446 BPM1707 distance=38' 19484+1541 BPMA180 distance=38' 19491+1426 BPM1639AB distance=39' 19480+1541 HEI 75 distance=39' 19507+1530 BPM1699 distance=40' 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+1504 A 1658 54 0.2 1
Show 19485+1508 BPM1622 48 112.6 5
Show 19493+1502 BPM1646 145 116.5 10
Show 19489+1517 BPMA185 359 236.4 15
Show 19482+1518 BPM1612 85 76.5 16
Show 19478+1515 BPM1580 AB 185 18.2 17
Show 19478+1515 BPM1581 AC 225 100.0 17
Show 19484+1520 BPM1617 320 86.5 18
Show 19496+1514 BPM1656 16 87.3 18
Show 19494+1517 BPM1648 263 93.2 18
Show 19475+1512 TDT1753 64 0.4 19
Show 19483+1446 TDT1769 111 0.4 19
Show 19500+1457 BPM1673 287 77.8 22
Show 19473+1514 BPM1555 66 106.2 23
Show 19471+1509 HJ 1436 305 8.4 24
Show 19475+1522 BPM1569 BC 284 22.4 24
Show 19502+1455 BPM1676 226 118.7 24
Show 19475+1522 BPM1570 CD 104 113.5 24
Show 19493+1526 BPM1647 306 37.5 25
Show 19497+1523 BPM1662 12 75.0 25
Show 19468+1510 OL 106 217 3.6 26
Show 19475+1522 BPM1567 AB 150 95.4 26
Show 19475+1522 BPM1568 AC 161 81.4 26
Show 19497+1525 TDT1783 104 0.6 27
Show 19479+1439 BPM1587 337 95.5 27
Show 19483+1530 BPM1615 131 96.9 28
Show 19490+1436 BPM1636 319 89.6 29
Show 19488+1532 BPM1631 292 66.0 29
Show 19493+1532 LOC 3 225 10.0 31
Show 19480+1532 BPM1598 41 112.6 31
Show 19495+1434 BPM1651 192 95.1 32
Show 19507+1515 BPM1697 355 55.0 32
Show 19473+1529 BPM1559 121 94.8 32
Show 19487+1537 BPM1628 AB 354 67.3 34
Show 19487+1537 BPM1629 AC 72 90.7 34
Show 19503+1527 BPM1682 343 74.7 34
Show 19485+1537 BPM1625 158 94.4 34
Show 19500+1436 BPM1672 214 92.1 34
Show 19470+1529 TDT1741 181 6.5 35
Show 19474+1533 BPMA173 137 186.7 35
Show 19486+1539 BPM1619 AB 311 102.8 36
Show 19465+1449 BPM1526 141 92.4 36
Show 19492+1428 AG 392 152 3.7 37
Show 19486+1539 BPM1620 BC 320 58.8 37
Show 19491+1426 BPM1640 BC 145 86.0 38
Show 19469+1531 BPM1542 49 81.9 38
Show 19509+1446 BPM1707 325 68.1 38
Show 19484+1541 BPMA180 77 147.6 38
Show 19491+1426 BPM1639 AB 38 114.4 39
Show 19480+1541 HEI 75 31 0.6 39
Show 19507+1530 BPM1699 230 55.5 40

 
 
WDS 19487+1504 : COMPONENTS
 
 
  A
B pa=53.1°
sep=0.23"
 
 
19487+1504 A
 
 
Componente originario normalizzato AB Name HD 187283 Coord arcsec 2000 194839.64+150332.4 Mag 8.3
Spectral class F5V (yellow-white) PmRA 44.00 PmDE 12.0 SAO 105284
HIP 97469 Tycho2 1615-00730-1 HD 187283 BD BD+14 4048
Tycho2
Tycho2 1615-00730-1 Pflag RAmdeg 297.16526474 DEmdeg 15.05902236
PmRA 44.3 PmDE 10.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.62 EpDEm 1991.51
Num 12 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.6 BTmag 8.161 E BTmag 0.016 VTmag 7.692
E VTmag 0.010 Prox 999 TYC T HIP 97469
CCDM AB RAdeg 297.16516083 DEdeg 15.05899833 EpRA 1990 1.86
EpDE 1990 1.76 E RAdeg 3.7 E DEdeg 4.4 Posflg P
Corr 0.2
SAO
SAO 105284 DelFlag RA1950 PmRA1950 0.0022
DE1950 PmDE1950 0.007 Vmag 8.2 SpType F5
Double code Source 29 CatNum 7490 DM BD+14 4048
DMcomp BDsup HD 187283 M HD 0
GC RA1950rad 5.17647855 DE1950rad 0.26063016 PmRA2000 0.0023
PmDE2000 0.006
Hipparcos
Catalog H HIP 97469 Proxy H RAhms 19 48 39.64
DEdms +15 03 32.4 Vmag 7.64 VarFlag R Vmag G
RAdeg 297.165 DEdeg 15.059 AstroRef * Plx 6.52
CCDM 19487+1504 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 183 Rho 0.203 HD 187283 BD BD+14 4048
CD CP Dm number +14 4048 VIred 0.52
SpType F5 R SpType Coord arcsec 2000 194839.64+150332.4
Hipparcos 2
HIP 97469 Sn 55 So 3 Nc 2
RArad 5.1865103448 DErad 0.2628290931 Plx 7.32 PmRA 42.21
PmDE 10.99 E RArad 0.48 E DErad 0.4 E Plx 0.73
E pmRA 0.63 E pmDE 0.39 Hpmag 7.7405 E Hpmag 0.0011
SHp 0.014 VA 0 BV 0.446 E BV 0.018
VI 0.52
CCDM
Ccdm 19487+1504 RComp Comp A Note1
Note2 Discov num DRAs -2.28 DDEs -27.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp F5 PmNote *
PmRA 53 PmDE 14 Dm number +14 4048 Cat1 BD
Name2 +14 2084 Cat2 AGK2/3 HD 187283 M HD
ADS BDS A12961 M ADS BDS N IDS IDS 19441N1449A
HIC 97469
 
 
19487+1504 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194839.65+150332.5 Mag 8.74 Calc delta mag 0.44
Calc coord yes
CCDM
Ccdm 19487+1504 RComp Comp B Note1 *
Note2 Discov num A 1658 DRAs DDEs
R dRAs Year 1907 Theta Rho
Obs 29 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12961 M ADS BDS N IDS IDS 19441N1449B
HIC 97469