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Current system
19457+3605
STF 2578 AD


Nearby doubles
7' : 19457+3612
ALI 161AB

13' : 19436+3616
SEI 671

18' : 19458+3548
ALI 162

19' : 19467+3552
HU 681

24' : 19438+3557
TDT1681

26' : 19476+3557
ES 2182

42' : 19478+3533
ES 2245

43' : 19477+3531
ES 2244

49' : 19418+3611
ALI 158

49' : 19479+3526
ALI 163

51' : 19453+3656
POP 121

51' : 19493+3542
POP 100

51' : 19430+3526
J 122

52' : 19420+3541
HU 680

52' : 19496+3545
POP 101AB

52' : 19498+3558
POP 104AB

53' : 19414+3614
GRV 270

53' : 19497+3547
POP 102AB

54' : 19435+3519
SEI 670

56' : 19435+3516
ALI 160

57' : 19424+3526
ALI 159

57' : 19503+3558
DAM 182AB

59' : 19412+3544
TDT1633

59' : 19409+3559
ALI 157

60' : 19440+3702
COU2282

60' : 19487+3519
STT 387



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

19457+3605 STF 2578 AD

 
 
19h 45m 39.65s +36° 05' 27.6" P.A. 70.00 sep 95.0 mag 6.37,12.39 Sp B9.5V dist. 300.3 pc (979.58 l.y.)
 
 
Coord 2000 19457+3605 Discov num STF2578 Comp AD Coord arcsec 2000 19 45 39.65 +36 05 27.6
Date first 1900 Date last 2006 Obs 7
Pa first 71 Pa last 70.3 P.A. Now (θ) 70.3°
Sep first 95.2 Sep last 94.98 Sep. Now (ρ) 94.98"
Mag pri 6.37 Mag sec 12.39 delta mag (ΔM) 6.02 Spectral class B9.5V (blue-white)
Pri motion ra +002 Sec motion ra +003
Pri motion dec +007 Sec motion dec +002
Notes N (See Notes)
rPM=0.7
Nature of this double is uncertain.
 
 
19457+3605 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 186901 68805 19 45 40 +36 05 28 STF 2578 AB 2019 90 124 14.9 6.37 7.04 0.67
Show 68805 19 45 40 +36 05 28 STF 2578 AC 2006 9 356 44.3 6.37 12.49 6.12
Show 68805 19 45 40 +36 05 28 STF 2578 AD 2006 7 70 95.0 6.37 12.39 6.02 <===
Show 68805 19 45 40 +36 05 28 STF 2578 AF 2013 23 251 144.5 6.37 9.22 2.85
Show 68806 19 45 41 +36 05 19 STF 2578 BE 2015 4 75 11.4 7.04 14.00 6.96
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 68805 HIP 97228 Tycho2 2668-00996-1
Gaia DR2 2047894802517982592 HD 186901 HR 7529 ADS 12893
BD BD+35 3786 Distance 300.3 Distance ly 979.58
 
 
WDS 19457+3605 STF 2578 AD : NOTES
 
 
discov_num notes refcode
STF2578 BDS 9591, H N 13 same star. B is BD+35@3787.
AB: SEI 676. Nsn2017b
 
 
REFERENCES
 
 
refcode metd author reference
Nsn2017b not - Nanson, J. ...................
Nsn2017b private communication, 2017
 
 
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
19457+3605 STF2578 AD 2006 6 70 95.0 6.37   B9.5V N D 194539.65+360527.6

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

 
 
WDS 19457+3605 STF 2578 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19457+3605 STF 2578 AD : MEASURES
 
 
No records found.

 
 
WDS 19457+3605 : VIRTUAL EYEPIECE
 
 

19457+3605 STF2578A mag 6.37 Sp B9.5V 19457+3605 STF2578B sep 14.9 P.A. 124.80 mag 7.04 Sp A0 19457+3605 STF2578C sep 44.3 P.A. 356.80 mag 12.49 19457+3605 STF2578D sep 79.0 P.A. 66.10 mag 12.39 19457+3605 STF2578E sep 21.9 P.A. 104.90 mag 14 19457+3605 STF2578F sep 119.9 P.A. 247.30 mag 9.22 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19457+3605 : ALADIN DSS IMAGE @ 19h 45m 39.65s +36° 05' 27.6"
 
 
 
 
WDS 19457+3605 STF 2578 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19457+3605 STF2578AD distance=0' 19457+3605 STF2578BE distance=1' 19457+3612 ALI 161AB distance=7' 19457+3612 SEI 677AC distance=7' 19436+3616 SEI 671 distance=13' 19458+3548 ALI 162 distance=18' 19467+3552 HU 681 distance=19' 19438+3557 TDT1681 distance=24' 19476+3557 ES 2182 distance=26' 19478+3533 ES 2245 distance=42' 19477+3531 ES 2244 distance=43' 19418+3611 ALI 158 distance=49' 19479+3526 ALI 163 distance=49' 19453+3656 POP 121 distance=51' 19493+3542 POP 100 distance=51' 19430+3526 J 122 distance=51' 19420+3541 HU 680 distance=52' 19496+3545 POP 101AB distance=52' 19496+3545 DAM1259BC distance=52' 19498+3558 POP 104AB distance=52' 19498+3558 DAM 181AC distance=52' 19498+3558 CVE 4AD distance=52' 19414+3614 GRV 270 distance=53' 19497+3547 POP 102AB distance=53' 19497+3547 POP 102AC distance=53' 19435+3519 SEI 670 distance=54' 19435+3516 ALI 160 distance=56' 19424+3526 ALI 159 distance=57' 19503+3558 DAM 182AB distance=57' 19503+3558 DAM 182AC distance=57' 19412+3544 TDT1633 distance=59' 19409+3559 ALI 157 distance=59' 19440+3702 COU2282 distance=60' 19487+3519 STT 387 distance=60' 19480+3513 BU 1473AB distance=61' 19480+3513 SEI 684AC distance=61' 19453+3707 TDT1712 distance=62' 19429+3512 ALI 6 distance=63' 19455+3709 POP 122AB distance=64' 19455+3709 POP 122BC distance=64' 19467+3504 GYL 91 distance=65' 19459+3501 H 5 137AB distance=65' 19459+3501 BOT 3AC distance=65' 19459+3501 ACA 1AD distance=65' 19412+3528 POP 59 distance=67' 19495+3517 SEI 689 distance=68' 19492+3514 SEI 688 distance=68' 19469+3500 TDT1737 distance=68' 19419+3516 TDT1647 distance=68' 19407+3638 ES 2181 distance=68' 19512+3551 ES 2246 distance=69' 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 19457+3605 STF2578 AB 124 14.9
Show 19457+3605 STF2578 AC 356 44.3
Show 19457+3605 STF2578 AD 70 95.0
Show 19457+3605 STF2578 AF 251 144.5
Show 19457+3605 STF2578 BE 75 11.4 1
Show 19457+3612 ALI 161 AB 16 8.6 7
Show 19457+3612 SEI 677 AC 178 16.1 7
Show 19436+3616 SEI 671 98 26.2 13
Show 19458+3548 ALI 162 204 9.0 18
Show 19467+3552 HU 681 193 2.0 19
Show 19438+3557 TDT1681 212 3.3 24
Show 19476+3557 ES 2182 44 1.9 26
Show 19478+3533 ES 2245 89 2.6 42
Show 19477+3531 ES 2244 21 3.0 43
Show 19418+3611 ALI 158 178 15.2 49
Show 19479+3526 ALI 163 174 9.4 49
Show 19453+3656 POP 121 323 1.7 51
Show 19493+3542 POP 100 286 2.3 51
Show 19430+3526 J 122 55 9.5 51
Show 19420+3541 HU 680 170 0.4 52
Show 19496+3545 POP 101 AB 134 6.2 52
Show 19496+3545 DAM1259 BC 79 2.4 52
Show 19498+3558 POP 104 AB 55 4.7 52
Show 19498+3558 DAM 181 AC 255 4.5 52
Show 19498+3558 CVE 4 AD 151 2.7 52
Show 19414+3614 GRV 270 8 42.9 53
Show 19497+3547 POP 102 AB 139 4.9 53
Show 19497+3547 POP 102 AC 81 14.5 53
Show 19435+3519 SEI 670 176 28.6 54
Show 19435+3516 ALI 160 343 9.3 56
Show 19424+3526 ALI 159 57 11.5 57
Show 19503+3558 DAM 182 AB 60 7.8 57
Show 19503+3558 DAM 182 AC 170 9.6 57
Show 19412+3544 TDT1633 104 0.8 59
Show 19409+3559 ALI 157 197 11.4 59
Show 19440+3702 COU2282 239 0.5 60
Show 19487+3519 STT 387 94 0.5 60
Show 19480+3513 BU 1473 AB 16 1.4 61
Show 19480+3513 SEI 684 AC 234 26.1 61
Show 19453+3707 TDT1712 237 1.7 62
Show 19429+3512 ALI 6 255 9.9 63
Show 19455+3709 POP 122 AB 284 48.5 64
Show 19455+3709 POP 122 BC 83 2.7 64
Show 19467+3504 GYL 91 192 36.5 65
Show 19459+3501 H 5 137 AB 25 38.8 65
Show 19459+3501 BOT 3 AC 76 443.8 65
Show 19459+3501 ACA 1 AD 38 224.8 65
Show 19412+3528 POP 59 257 6.1 67
Show 19495+3517 SEI 689 301 20.9 68
Show 19492+3514 SEI 688 198 10.8 68
Show 19469+3500 TDT1737 285 0.6 68

 
 
WDS 19457+3605 : COMPONENTS
 
 
  A B C D E
B pa=124.8°
sep=14.90"
 
C pa=356.8°
sep=44.26"
pa=344.4°
sep=54.71"
 
D pa=66.1°
sep=79.03"
pa=56.0°
sep=72.41"
pa=99.3°
sep=75.73"
 
E pa=104.9°
sep=21.86"
pa=72.1°
sep=9.33"
pa=154.6°
sep=55.14"
pa=233.6°
sep=63.50"
 
F pa=247.3°
sep=119.92"
pa=252.9°
sep=128.55"
pa=230.1°
sep=141.00"
pa=246.8°
sep=198.94"
pa=252.8°
sep=137.88"
 
 
19457+3605 A
 
 
Name HD 186901 Coord arcsec 2000 194539.65+360527.6 Mag 6.37 Spectral class B9.5V (blue-white)
PmRA 2.00 PmDE 7.0 SAO 68805 HIP 97228
Tycho2 2668-00996-1 HD 186901 HR 7529 GC 27352
BD BD+35 3786
Tycho2
Tycho2 2668-00996-1 Pflag RAmdeg 296.41523706 DEmdeg 36.09102597
PmRA 5.9 PmDE 8.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.44 EpDEm 1991.53
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.8 Q pmRA 1.3
Q pmDE 1.8 BTmag 6.318 E BTmag 0.014 VTmag 6.371
E VTmag 0.010 Prox 149 TYC T HIP 97228
CCDM A RAdeg 296.41521944 DEdeg 36.09100528 EpRA 1990 1.58
EpDE 1990 1.66 E RAdeg 3.7 E DEdeg 3.6 Posflg
Corr 0.0
SAO
SAO 68805 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.015 Vmag 6.5 SpType A0
Double code Source 70 CatNum 27352 DM BD+35 3786
DMcomp BDsup HD 186901 M HD 0
GC 27352 RA1950rad 5.16540552 DE1950rad 0.62776224 PmRA2000 0.0004
PmDE2000 0.014
Hipparcos
Catalog H HIP 97228 Proxy RAhms 19 45 39.65
DEdms +36 05 27.6 Vmag 6.38 VarFlag R Vmag H
RAdeg 296.415 DEdeg 36.091 AstroRef A Plx 1.73
CCDM 19456+3605 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 186901 BD BD+35 3786
CD CP Dm number +35 3786 VIred 0
SpType B9.5V R SpType Coord arcsec 2000 194539.65+360527.6
Hipparcos 2
HIP 97228 Sn 95 So 3 Nc 1
RArad 5.1734215121 DErad 0.6299068522 Plx 3.33 PmRA 4.55
PmDE 5.64 E RArad 1.26 E DErad 1.46 E Plx 1.81
E pmRA 1.3 E pmDE 1.72 Hpmag 6.3674 E Hpmag 0.019
SHp 0.078 VA 0 BV -0.049 E BV 0.005
VI -0.03
 
 
19457+3605 B
 
 
Coord arcsec 2000 194540.66+360519.1 Coord calc 194540.66+360519.1 Mag 7.04 Spectral class A0 (white)
PmRA 6.00 PmDE 1.0 SAO 68806 HIP 97232
Tycho2 2668-00997-1 HD 186902 GC 27353 BD BD+35 3787
Calc delta mag 0.67
Tycho2
Tycho2 2668-00997-1 Pflag RAmdeg 296.41943207 DEmdeg 36.08867843
PmRA 4.1 PmDE 14.6 E RAmdeg 4 E DEmdeg 4
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.48 EpDEm 1991.57
Num 4 Q RAmdeg 2.5 Q DEmdeg 2.2 Q pmRA 2.5
Q pmDE 2.3 BTmag 7.042 E BTmag 0.015 VTmag 7.044
E VTmag 0.010 Prox 149 TYC T HIP 97232
CCDM B RAdeg 296.41942000 DEdeg 36.08864444 EpRA 1990 1.52
EpDE 1990 1.61 E RAdeg 4.1 E DEdeg 3.9 Posflg
Corr 0.0
SAO
SAO 68806 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.005 Vmag 7.1 SpType A0
Double code Source 70 CatNum 27353 DM BD+35 3787
DMcomp BDsup HD 186902 M HD 0
GC 27353 RA1950rad 5.16548267 DE1950rad 0.62771732 PmRA2000 0.0006
PmDE2000 0.004
Hipparcos
Catalog H HIP 97232 Proxy RAhms 19 45 40.66
DEdms +36 05 19.1 Vmag 7.16 VarFlag R Vmag G
RAdeg 296.419 DEdeg 36.0886 AstroRef B Plx 2.9
CCDM 19456+3605 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD 186902 BD BD+35 3787
CD CP Dm number +35 3787 VIred 0.04
SpType A0 R SpType Coord arcsec 2000 194540.66+360519.1
Hipparcos 2
HIP 97232 Sn 95 So 3 Nc 1
RArad 5.1734949986 DErad 0.6298657176 Plx 17.5 PmRA -5.44
PmDE 1.65 E RArad 3.57 E DErad 4.72 E Plx 5.66
E pmRA 3.91 E pmDE 4.9 Hpmag 6.9743 E Hpmag 0.0318
SHp 0 VA 0 BV 0.024 E BV 0.007
VI 0.04
 
 
19457+3605 C
 
 
Coord arcsec 2000 194539.44+360611.8 Mag 12.49 PmRA -2.00 PmDE 5.0
Calc delta mag 6.12 Calc coord yes
 
 
19457+3605 D
 
 
Coord arcsec 2000 194545.61+360559.6 Mag 12.39 PmRA 3.00 PmDE 2.0
Calc delta mag 6.02 Calc coord yes
 
 
19457+3605 E
 
 
Coord arcsec 2000 194541.39+360522.0 Mag 14 Calc delta mag 7.63 Calc coord yes
 
 
19457+3605 F
 
 
Coord arcsec 2000 194530.53+360441.3 Mag 9.22 PmRA -6.00 PmDE -5.0
Calc delta mag 2.85 Calc coord yes