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Current system
19490+4423
STF 2588 A,BC
HD 187613


Nearby doubles
3' : 19492+4421
KOI7031

5' : 19486+4423
KOI4017

7' : 19492+4417
KOI7019

7' : 19484+4424
KOI7030

9' : 19490+4413
DEA 479

19' : 19478+4436
DEA 303

22' : 19494+4402
KOI3255AB

24' : 19475+4407
UC 246

24' : 19469+4430
KOI2992

25' : 19501+4401
DEA 120

26' : 19467+4421
YSC 136

26' : 19469+4435
KOI7049AB

28' : 19504+4446
SMA 100

28' : 19468+4409
KOI7002AB

29' : 19464+4420
KOI2507

30' : 19509+4444
SMA 101

31' : 19497+4353
KOI1560

32' : 19477+4451
COU2691

32' : 19464+4408
KOI2344

33' : 19517+4408
KPP4173

35' : 19502+4351
KOI3760

36' : 19460+4438
KOI4610

37' : 19484+4347
KOI6946AB

37' : 19523+4433
TDT1814

38' : 19455+4423
KOI7028AB

38' : 19467+4451
KOI6187



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19490+4423 STF 2588 A,BC (HD 187613)

 
 
19h 49m 00.90s +44° 22' 45.1" P.A. 158.00 sep 9.6 mag 7.74,8.12 Sp B8III dist. 854.7 pc (2788.03 l.y.)
 
 
Coord 2000 19490+4423 Discov num STF2588 Comp A,BC Coord arcsec 2000 19 49 00.90 +44 22 45.1
Date first 1783 Date last 2019 Obs 43
Pa first 161 Pa last 158.2 P.A. Now (θ) 158.2°
Sep first 10.3 Sep last 9.642 Sep. Now (ρ) 9.642"
Mag pri 7.74 Mag sec 8.12 delta mag (ΔM) 0.38 Spectral class B8III (blue-white)
Pri motion ra +001 Sec motion ra +003
Pri motion dec -003 Sec motion dec -001
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.894
This double is physical.
 
 
19490+4423 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 187613 48866 19 49 01 +44 22 45 STF 2588 A,BC 2019 43 158 9.6 7.74 8.12 0.38 <===
Show 19 49 01 +44 22 45 A 718 BC 2009 20 34 0.1 8.20 8.70 0.50
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187613 Constellation Cygnus SAO 48866 HIP 97498
Tycho2 3148-00155-1 Gaia DR2 2078942571332155136 HD 187613 GC 27447
BD BD+44 3261 Distance 854.7 Distance ly 2788.03
 
 
WDS 19490+4423 STF 2588 A,BC (HD 187613) : NOTES
 
 
discov_num notes refcode
STF2588 A,BC: H 3 112. 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 A Aitken, R.G.
312 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
19490+4423 STF2588 A,BC 2008 31 159 9.6 7.74 8.12 B8III D 194900.90+442245.1
19490+4423 STF2588 A,BC 2012 34 159 9.9 7.74 8.12 B8III N D 194900.90+442245.1
19490+4423 STF2588 A,BC 2013 37 159 9.8 7.74 8.12 B8III NV 194900.90+442245.1
19490+4423 STF2588 A,BC 2015 41 159 9.6 7.74 8.12 B8III NV 194900.90+442245.1
19490+4423 STF2588 A,BC 2019 43 159 9.6 7.74 8.12 B8III NV 194900.90+442245.1

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

 
 
WDS 19490+4423 STF 2588 A,BC (HD 187613) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 21/09/21 daedalus1 mean difficulty separated     Seeing: Pickering 8, Transparency: NELM 4.8, Measures: theta 159, rho 10".11

 
 
WDS 19490+4423 STF 2588 A,BC (HD 187613) : MEASURES
 
 
No records found.

 
 
WDS 19490+4423 (HD 187613) : VIRTUAL EYEPIECE
 
 

19490+4423 STF2588A mag 7.74 Sp B8III 19490+4423 A 718B mag 8.2 Sp B8III 19490+4423 A 718C sep 0.1 P.A. 25.70 mag 8.7 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 19490+4423 (HD 187613) : ALADIN DSS IMAGE @ 19h 49m 00.90s +44° 22' 45.1"
 
 
 
 
WDS 19490+4423 STF 2588 A,BC (HD 187613) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19490+4423 STF2588A,BC distance=0' 19492+4421 KOI7031 distance=3' 19486+4423 KOI4017 distance=5' 19492+4417 KOI7019 distance=7' 19484+4424 KOI7030 distance=7' 19490+4413 DEA 479 distance=9' 19478+4436 DEA 303 distance=19' 19494+4402 KOI3255AB distance=22' 19494+4402 KOI3255AC distance=22' 19475+4407 UC 246 distance=24' 19469+4430 KOI2992 distance=24' 19501+4401 DEA 120 distance=25' 19467+4421 YSC 136 distance=26' 19469+4435 KOI7049AB distance=26' 19469+4435 KOI7049AC distance=26' 19504+4446 SMA 100 distance=28' 19468+4409 KOI7002AB distance=28' 19468+4409 KOI7002AC distance=28' 19464+4420 KOI2507 distance=29' 19509+4444 SMA 101 distance=30' 19497+4353 KOI1560 distance=31' 19477+4451 COU2691 distance=32' 19464+4408 KOI2344 distance=32' 19517+4408 KPP4173 distance=33' 19502+4351 KOI3760 distance=35' 19460+4438 KOI4610 distance=36' 19484+4347 KOI6946AB distance=37' 19484+4347 KOI6946AC distance=37' 19523+4433 TDT1814 distance=37' 19455+4423 KOI7028AB distance=38' 19455+4423 KOI7028AC distance=38' 19467+4451 KOI6187 distance=38' 19469+4352 KOI5469 distance=39' 19454+4430 KOI4299 distance=40' 19459+4401 KOI1019AB distance=40' 19459+4401 KOI1019AC distance=40' 19459+4401 KOI1019AD distance=40' 19459+4401 KOI1019AE distance=40' 19485+4343 KOI 687 distance=41' 19500+4343 KOI5454 distance=42' 19523+4445 KOI 137AB distance=42' 19523+4445 KOI 137AC distance=42' 19523+4445 KOI 137AD distance=42' 19523+4445 KOI 137AE distance=42' 19523+4445 KOI 137AF distance=42' 19452+4410 KOI1067 distance=43' 19466+4349 KOI4812 distance=43' 19458+4358 KOI6968 distance=43' 19470+4500 DEA 190 distance=44' 19526+4445 KOI5552 distance=44' 19488+4339 KOI6166 distance=45' 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 19490+4423 STF2588 A,BC 158 9.6
Show 19490+4423 A 718 BC 34 0.1
Show 19492+4421 KOI7031 321 3.0 3
Show 19486+4423 KOI4017 191 3.3 5
Show 19492+4417 KOI7019 213 2.5 7
Show 19484+4424 KOI7030 189 2.2 7
Show 19490+4413 DEA 479 155 55.8 9
Show 19478+4436 DEA 303 202 12.3 19
Show 19494+4402 KOI3255 AB 337 0.2 22
Show 19494+4402 KOI3255 AC 44 3.0 22
Show 19475+4407 UC 246 253 47.3 24
Show 19469+4430 KOI2992 238 6.0 24
Show 19501+4401 DEA 120 194 6.0 25
Show 19467+4421 YSC 136 287 0.1 26
Show 19469+4435 KOI7049 AB 281 3.3 26
Show 19469+4435 KOI7049 AC 258 3.3 26
Show 19504+4446 SMA 100 332 10.7 28
Show 19468+4409 KOI7002 AB 247 3.2 28
Show 19468+4409 KOI7002 AC 84 3.5 28
Show 19464+4420 KOI2507 275 2.3 29
Show 19509+4444 SMA 101 50 9.3 30
Show 19497+4353 KOI1560 156 1.6 31
Show 19477+4451 COU2691 211 1.1 32
Show 19464+4408 KOI2344 120 2.7 32
Show 19517+4408 KPP4173 222 6.2 33
Show 19502+4351 KOI3760 164 3.1 35
Show 19460+4438 KOI4610 137 2.6 36
Show 19484+4347 KOI6946 AB 182 2.8 37
Show 19484+4347 KOI6946 AC 107 3.4 37
Show 19523+4433 TDT1814 303 1.9 37
Show 19455+4423 KOI7028 AB 206 2.9 38
Show 19455+4423 KOI7028 AC 56 3.8 38
Show 19467+4451 KOI6187 116 3.6 38
Show 19469+4352 KOI5469 97 3.9 39
Show 19454+4430 KOI4299 264 2.0 40
Show 19459+4401 KOI1019 AB 247 2.5 40
Show 19459+4401 KOI1019 AC 335 2.9 40
Show 19459+4401 KOI1019 AD 110 3.2 40
Show 19459+4401 KOI1019 AE 336 3.3 40
Show 19485+4343 KOI 687 13 0.7 41
Show 19500+4343 KOI5454 286 2.1 42
Show 19523+4445 KOI 137 AB 341 4.8 42
Show 19523+4445 KOI 137 AC 137 5.1 42
Show 19523+4445 KOI 137 AD 351 5.7 42
Show 19523+4445 KOI 137 AE 73 5.7 42
Show 19523+4445 KOI 137 AF 186 7.1 42
Show 19452+4410 KOI1067 142 2.9 43
Show 19466+4349 KOI4812 102 3.1 43
Show 19458+4358 KOI6968 315 2.7 43
Show 19470+4500 DEA 190 67 8.7 44
Show 19526+4445 KOI5552 165 1.1 44

 
 
WDS 19490+4423 : COMPONENTS
 
 
  A B
B pa=0.0°
sep=0.00"
 
C pa=25.7°
sep=0.13"
pa=25.7°
sep=0.13"
 
 
19490+4423 A
 
 
Name HD 187613 Coord arcsec 2000 194900.90+442245.1 Mag 7.74 Spectral class B8III (blue-white)
PmRA 1.00 PmDE -3.0 SAO 48866 HIP 97498
Tycho2 3148-00155-1 HD 187613 GC 27447 BD BD+44 3261
Tycho2
Tycho2 3148-00155-1 Pflag RAmdeg 297.25374577 DEmdeg 44.37919628
PmRA 2.9 PmDE -2.0 E RAmdeg 5 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.54 EpDEm 1991.40
Num 8 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.2 BTmag 7.683 E BTmag 0.015 VTmag 7.735
E VTmag 0.011 Prox 96 TYC T HIP 97498
CCDM A RAdeg 297.25373611 DEdeg 44.37920111 EpRA 1990 1.75
EpDE 1990 1.61 E RAdeg 4.6 E DEdeg 5.2 Posflg
Corr -0.2
SAO
SAO 48866 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 0.003 Vmag 7.5 SpType B8
Double code Source 70 CatNum 27447 DM BD+44 3261
DMcomp BDsup HD 187613 M HD 0
GC 27447 RA1950rad 5.18109353 DE1950rad 0.77235283 PmRA2000 0.0009
PmDE2000 0.001
Hipparcos
Catalog H HIP 97498 Proxy H RAhms 19 49 00.90
DEdms +44 22 45.1 Vmag 7.16 VarFlag R Vmag H
RAdeg 297.254 DEdeg 44.3792 AstroRef A Plx 0.56
CCDM 19490+4423 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 159 Rho 9.643 HD 187613 BD BD+44 3261
CD CP Dm number +44 3261 VIred -0.06
SpType B8+... R SpType Coord arcsec 2000 194900.90+442245.1
Hipparcos 2
HIP 97498 Sn 15 So 3 Nc 2
RArad 5.1880564685 DErad 0.7745631692 Plx 1.17 PmRA 4.33
PmDE 0.95 E RArad 0.87 E DErad 0.93 E Plx 1.09
E pmRA 1.04 E pmDE 1.13 Hpmag 7.1482 E Hpmag 0.0021
SHp 0.029 VA 0 BV -0.049 E BV 0.009
VI -0.03
CCDM
Ccdm 19490+4423 RComp Comp A Note1
Note2 Discov num DRAs 0.88 DDEs -15.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.8 Sp B8 PmNote *
PmRA -2 PmDE -3 Dm number +44 3261 Cat1 BD
Name2 +44 1669 Cat2 AGK2/3 HD 187613 M HD
ADS BDS A12986 M ADS BDS N IDS IDS 19458N4408A
HIC 97498
 
 
19490+4423 B
 
 
Coord arcsec 2000 194900.90+442245.1 Mag 8.2 Spectral class B8III (blue-white) PmRA 6.00
PmDE -1.0 Tycho2 3148-01459-1 Calc delta mag 0.46
Tycho2
Tycho2 3148-01459-1 Pflag RAmdeg 297.25509159 DEmdeg 44.37669365
PmRA 5.9 PmDE -1.4 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.31 EpDEm 1991.34
Num 7 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.0 BTmag 8.048 E BTmag 0.016 VTmag 8.118
E VTmag 0.013 Prox 96 TYC T HIP 97498
CCDM B RAdeg 297.25507250 DEdeg 44.37669667 EpRA 1990 1.62
EpDE 1990 1.65 E RAdeg 5.6 E DEdeg 5.7 Posflg
Corr 0.0
CCDM
Ccdm 19490+4423 RComp Comp B Note1
Note2 Discov num STF2588 DRAs 1.15 DDEs -23.7
R dRAs 10 Year 1833 Theta 160 Rho 9.6
Obs 12 Vmag 8.2 Sp PmNote *
PmRA -9 PmDE 3 Dm number Cat1
Name2 +44 1670 Cat2 AGK2/3 HD M HD
ADS BDS A12986 M ADS BDS N IDS IDS 19458N4408B
HIC 97498
 
 
19490+4423 C
 
 
Coord arcsec 2000 194900.91+442245.2 Mag 8.7 PmRA 6.00 PmDE -1.0
Calc delta mag 0.96 Calc coord yes
CCDM
Ccdm 19490+4423 RComp B Comp C Note1
Note2 Discov num A 718 DRAs DDEs
R dRAs Year 1959 Theta 048 Rho 0.3
Obs 7 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12986 M ADS BDS N IDS IDS 19458N4408C
HIC 97498