stampa
Login

Set your own preferrences to customize your experience with Stelle Doppie!
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20480+3917
A 1434 AB


Nearby doubles
11' : 20489+3919
TDT2558

14' : 20490+3925
TDT2560

17' : 20493+3923
SEI1263AB

28' : 20457+3917
SEI1241

28' : 20498+3900
MLB 983

28' : 20478+3944
GRV 381

29' : 20461+3858
CRB 11

29' : 20471+3850
HJ 1575

33' : 20490+3947
STF2731AB

36' : 20510+3915
SEI1279AB

36' : 20459+3852
COU2294

38' : 20449+3908
SEI1236

38' : 20478+3840
SEI1251

39' : 20476+3839
SEI1249

39' : 20453+3854
SEI1239

41' : 20514+3927
TDT2581

41' : 20445+3921
HJ 1572

41' : 20509+3855
SEI1278

42' : 20481+3958
CVR 231

45' : 20486+4000
TOB 198

45' : 20484+4002
SEI1255AB

46' : 20519+3911
SEI1283

47' : 20441+3927
ES 1981

47' : 20498+3958
SEI1267

48' : 20514+3945
MLB 779AB

48' : 20515+3944
DAM 317AB



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.

20480+3917 A 1434 AB

 
 
20h 47m 59.59s +39° 17' 15.8" P.A. 178.00 sep 0.0 mag 7.80,7.80 Sp A7Iape+F5 dist. 574.71 pc (1874.7 l.y.)
 
 
Coord 2000 20480+3917 Discov num A  1434 Comp AB Coord arcsec 2000 20 47 59.59 +39 17 15.8
Date first 1934 Date last 1990 Obs 7
Pa first 63 Pa last 178.3 P.A. Now (θ) 178.3°
Sep first 0.1 Sep last 0.04 Sep. Now (ρ) 0.04"
Mag pri 7.80 Mag sec 7.80 delta mag (ΔM) 0 Spectral class A7Iape+F5 (white/yellow-white)
Pri motion ra -004 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20480+3917 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 70517 20 47 60 +39 17 16 A 1434 AB 1990 7 178 0.0 7.80 7.80 0.00 <===
Show V367 Cyg 70517 20 47 60 +39 17 16 A 1434 AB,C 2016 8 256 2.5 7.00 13.70 6.70
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V367 Cyg Constellation Cygnus SAO 70517 HIP 102648
Tycho2 3166-00772-1 Gaia DR2 2064979667011780992 HD 198287 GC 29010
BD BD+38 4235 Distance 574.71 Distance ly 1874.7
 
 
WDS 20480+3917 A 1434 AB : NOTES
 
 
discov_num notes refcode
A 1434 One component is the Beta Lyrae-type system V367 Cyg, P = 18.6d.
Variability of both components suspected.
This observation was listed in Blazit et al. (1977) under its correct Bla1977a
GC number, but misidentified as ADS 14394.
AB,C: Additional notes may be found in Aitken (1932). A__1932a
 
 
REFERENCES
 
 
refcode metd author reference
A__1932a Ma - Aitken, R.G. 1932QB821.A43......
A__1932a Aitken Double Star Catalogue, 1932
Bla1977a S j Blazit, A., Bonneau, D., Koechlin, L. & Labeyrie, A. 1977ApJ...214L..79B
Bla1977a ApJ 214, L79, 1977
 
 
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
20480+3917 A 1434 AB 1990 7 178 0.0 7.80 7.80 A7Iape+F5 N D 204759.59+391715.8

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

 
 
WDS 20480+3917 A 1434 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20480+3917 A 1434 AB : MEASURES
 
 
No records found.

 
 
WDS 20480+3917 : VIRTUAL EYEPIECE
 
 

20480+3917 A 1434A mag 7.8 Sp A7Iape 20480+3917 A 1434B mag 7.8 Sp F5 20480+3917 A 1434C sep 2.0 P.A. 252.00 mag 13.7 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 20480+3917 : ALADIN DSS IMAGE @ 20h 47m 59.59s +39° 17' 15.8"
 
 
 
 
WDS 20480+3917 A 1434 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20480+3917 A 1434AB distance=0' 20489+3919 TDT2558 distance=11' 20490+3925 TDT2560 distance=14' 20493+3923 SEI1263AB distance=17' 20493+3923 ALI 952BC distance=17' 20493+3923 DAM 26BD distance=17' 20457+3917 SEI1241 distance=28' 20498+3900 MLB 983 distance=28' 20478+3944 GRV 381 distance=28' 20461+3858 CRB 11 distance=29' 20471+3850 HJ 1575 distance=29' 20490+3947 STF2731AB distance=33' 20490+3947 HO 596AC distance=33' 20490+3947 HO 596AD distance=33' 20510+3915 SEI1279AB distance=36' 20510+3915 SEI1279BC distance=36' 20459+3852 COU2294 distance=36' 20449+3908 SEI1236 distance=38' 20478+3840 SEI1251 distance=38' 20476+3839 SEI1249 distance=39' 20453+3854 SEI1239 distance=39' 20514+3927 TDT2581 distance=41' 20445+3921 HJ 1572 distance=41' 20509+3855 SEI1278 distance=41' 20481+3958 CVR 231 distance=42' 20486+4000 TOB 198 distance=45' 20484+4002 SEI1255AB distance=45' 20484+4002 J 1237BC distance=46' 20519+3911 SEI1283 distance=46' 20441+3927 ES 1981 distance=47' 20498+3958 SEI1267 distance=47' 20514+3945 MLB 779AB distance=48' 20514+3945 DAM 316AC distance=48' 20514+3945 DAM 316AD distance=48' 20515+3944 DAM 317AB distance=48' 20515+3944 DAM 317AC distance=48' 20498+3833 HJ 1582AB distance=49' 20498+3833 HJ 1582AC distance=49' 20438+3928 SEI1230 distance=50' 20470+3828 ES 2054 distance=51' 20435+3919 SEI1229 distance=52' 20449+3839 ALI 951 distance=53' 20511+3837 SEI1281 distance=55' 20528+3925 SEI1290 distance=56' 20461+3824 ALI 949 distance=58' 20434+3943 TDT2497 distance=59' 20450+3827 ALI 947 distance=61' 20440+3839 COU2292 distance=61' 20440+3838 TDT2506 distance=61' 20453+4010 COU2293 distance=62' 20433+3847 GRV 371 distance=62' 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 20480+3917 A 1434 AB 178 0.0
Show 20480+3917 A 1434 AB,C 256 2.5
Show 20489+3919 TDT2558 191 1.1 11
Show 20490+3925 TDT2560 38 1.1 14
Show 20493+3923 SEI1263 AB 98 23.6 17
Show 20493+3923 ALI 952 BC 50 4.9 17
Show 20493+3923 DAM 26 BD 53 9.5 17
Show 20457+3917 SEI1241 309 7.1 28
Show 20498+3900 MLB 983 191 3.8 28
Show 20478+3944 GRV 381 340 35.8 28
Show 20461+3858 CRB 11 272 10.8 29
Show 20471+3850 HJ 1575 51 14.9 29
Show 20490+3947 STF2731 AB 86 4.1 33
Show 20490+3947 HO 596 AC 178 18.0 33
Show 20490+3947 HO 596 AD 247 18.2 33
Show 20510+3915 SEI1279 AB 147 12.9 36
Show 20510+3915 SEI1279 BC 189 7.3 36
Show 20459+3852 COU2294 125 0.9 36
Show 20449+3908 SEI1236 318 27.4 38
Show 20478+3840 SEI1251 42 15.2 38
Show 20476+3839 SEI1249 69 27.8 39
Show 20453+3854 SEI1239 40 26.8 39
Show 20514+3927 TDT2581 146 0.8 41
Show 20445+3921 HJ 1572 280 15.6 41
Show 20509+3855 SEI1278 135 25.5 41
Show 20481+3958 CVR 231 359 9.7 42
Show 20486+4000 TOB 198 96 21.0 45
Show 20484+4002 SEI1255 AB 338 24.4 45
Show 20484+4002 J 1237 BC 355 5.6 46
Show 20519+3911 SEI1283 1 22.8 46
Show 20441+3927 ES 1981 310 4.5 47
Show 20498+3958 SEI1267 308 3.1 47
Show 20514+3945 MLB 779 AB 124 9.0 48
Show 20514+3945 DAM 316 AC 79 6.3 48
Show 20514+3945 DAM 316 AD 304 13.8 48
Show 20515+3944 DAM 317 AB 95 14.8 48
Show 20515+3944 DAM 317 AC 357 15.2 48
Show 20498+3833 HJ 1582 AB 45 17.4 49
Show 20498+3833 HJ 1582 AC 327 28.7 49
Show 20438+3928 SEI1230 124 25.3 50
Show 20470+3828 ES 2054 192 2.7 51
Show 20435+3919 SEI1229 156 19.6 52
Show 20449+3839 ALI 951 49 11.1 53
Show 20511+3837 SEI1281 102 8.6 55
Show 20528+3925 SEI1290 222 14.2 56
Show 20461+3824 ALI 949 313 11.9 58
Show 20434+3943 TDT2497 317 0.5 59
Show 20450+3827 ALI 947 69 6.9 61
Show 20440+3839 COU2292 240 0.3 61
Show 20440+3838 TDT2506 23 2.9 61
Show 20453+4010 COU2293 201 1.1 62

 
 
WDS 20480+3917 : COMPONENTS
 
 
  A B
B pa=178.7°
sep=0.04"
 
C pa=252.0°
sep=1.98"
pa=253.1°
sep=1.97"
 
 
20480+3917 A
 
 
Coord arcsec 2000 204759.59+391715.8 Mag 7.8 Spectral class A7Iape (white) PmRA -4.00
PmDE -2.0 SAO 70517 HIP 102648 Tycho2 3166-00772-1
HD 198287 GC 29010 BD BD+38 4235
Tycho2
Tycho2 3166-00772-1 Pflag RAmdeg 311.99826294 DEmdeg 39.28770032
PmRA -5.3 PmDE -3.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.31 EpDEm 1991.41
Num 16 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 7.869 E BTmag 0.014 VTmag 7.140
E VTmag 0.010 Prox 999 TYC T HIP 102648
CCDM RAdeg 311.99827917 DEdeg 39.28770861 EpRA 1990 1.66
EpDE 1990 1.69 E RAdeg 4.1 E DEdeg 4.0 Posflg
Corr 0.0
SAO
SAO 70517 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.006 Vmag 7 SpType +++
Double code Source 70 CatNum 29010 DM BD+38 4235
DMcomp BDsup HD 198287 M HD 9
GC 29010 RA1950rad 5.43716635 DE1950rad 0.68246426 PmRA2000 -0.0009
PmDE2000 -0.009
Hipparcos
Catalog H HIP 102648 Proxy RAhms 20 47 59.59
DEdms +39 17 15.8 Vmag 7 VarFlag 3 R Vmag H
RAdeg 311.998 DEdeg 39.2877 AstroRef Plx 0.88
CCDM 20480+3917 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 198287 BD BD+38 4235
CD CP Dm number +38 4235 VIred 0.69
SpType A7Ia R SpType Coord arcsec 2000 204759.59+391715.8
Hipparcos 2
HIP 102648 Sn 5 So 0 Nc 1
RArad 5.445397274 DErad 0.6856999108 Plx 1.74 PmRA -3.77
PmDE -3.91 E RArad 0.31 E DErad 0.35 E Plx 0.43
E pmRA 0.31 E pmDE 0.4 Hpmag 7.1357 E Hpmag 0.0105
SHp 0.175 VA 1 BV 0.67 E BV 0.02
VI 0.73
CCDM
Ccdm 20480+3917 RComp Comp A Note1
Note2 Discov num DRAs -0.39 DDEs 16.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.8 Sp F5 PmNote *
PmRA 6 PmDE 8 Dm number +38 4235 Cat1 BD
Name2 +39 2197 Cat2 AGK2/3 HD 198287 M HD
ADS BDS A14314 M ADS BDS N IDS IDS 20442N3855A
HIC 102648
 
 
20480+3917 B
 
 
Coord arcsec 2000 204759.59+391715.8 Mag 7.8 Spectral class F5 (yellow-white) Calc coord yes
CCDM
Ccdm 20480+3917 RComp Comp B Note1
Note2 Discov num A 1434 DRAs DDEs
R dRAs Year 1953 Theta 050 Rho 0.1
Obs 2 Vmag 7.8 Sp A3 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 198288 M HD
ADS BDS A14314 M ADS BDS N N IDS IDS 20442N3855B
HIC 102648
 
 
20480+3917 C
 
 
Coord arcsec 2000 204759.43+391715.2 Mag 13.7 Calc delta mag 5.9 Calc coord yes
CCDM
Ccdm 20480+3917 RComp Comp C Note1
Note2 Discov num A 1434 DRAs DDEs
R dRAs Year 1906 Theta 255 Rho 2.3
Obs 4 Vmag 13.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14314 M ADS BDS N IDS IDS 20442N3855C
HIC 102648