stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21091+3844
S 779
HD 201561


Nearby doubles
13' : 21102+3844
SEI1426

15' : 21097+3856
COU1967

18' : 21105+3851
SEI1429

19' : 21078+3834
BRT2233

21' : 21074+3841
MLB1019

22' : 21091+3822
SEI1417

22' : 21094+3905
GUR 1

22' : 21072+3841
MLB1018

23' : 21074+3853
MLB 890

23' : 21095+3822
GUR 2

23' : 21075+3831
SEI1408

25' : 21071+3852
MLB 888

25' : 21070+3839
ES 2059

26' : 21109+3830
ES 254

26' : 21113+3841
GUR 7AB

26' : 21073+3857
MLB 889

27' : 21110+3859
GUR 5

27' : 21069+3845
STF2758AB

27' : 21112+3855
ES 1991

27' : 21111+3831
GUR 6

27' : 21114+3840
GUR 8

29' : 21068+3834
TDT2758

30' : 21108+3906
GUR 4

30' : 21083+3816
SEI1411

33' : 21071+3905
ALI 960

33' : 21108+3818
ALI 682



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.

21091+3844 S 779 (HD 201561)

 
 
21h 09m 08.32s +38° 43' 45.1" P.A. 9.00 sep 110.5 mag 7.61,9.57 Sp K2 dist. 537.63 pc (1753.75 l.y.)
 
 
Coord 2000 21091+3844 Discov num S   779 Comp Coord arcsec 2000 21 09 08.32 +38 43 45.1
Date first 1824 Date last 2015 Obs 23
Pa first 11 Pa last 8.9 P.A. Now (θ) 8.9°
Sep first 114.8 Sep last 110.484 Sep. Now (ρ) 110.484"
Mag pri 7.61 Mag sec 9.57 delta mag (ΔM) 1.96 Spectral class K2 (yellow-orange)
Pri motion ra +002 Sec motion ra -015
Pri motion dec -003 Sec motion dec -021
Notes N (See Notes)
rPM=0.959
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 201561 Constellation Cygnus SAO 70977 HIP 104417
Tycho2 3168-00056-1 Gaia DR2 1872008813630353024 HD 201561 BD BD+38 4362
Distance 537.63 Distance ly 1753.75
 
 
WDS 21091+3844 S 779 (HD 201561) : NOTES
 
 
discov_num notes refcode
S 779 B is BD+38@4363.
 
 
REFERENCES
 
 
refcode metd author reference
S__1826 Ma - South, J. 1826RSPT..116....1S
S__1826 Phil. Trans. R. Soc., 116, Pt.1, 1826
S__1844A Ma - South, J. 1844QB43.S66.......
S__1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
S__1852A Ma - South, J. .
S__1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
S__1880A Ma - South, J. 1880MNRAS..40..497B
S__1880A cited by Burnham (MNRAS 40, 497, 1880)
S__1906A Ma - South, J. 1906MmRAS..56....1L
S__1906A cited by Lewis (MemRAS 56, 1, 1906)
S__1906B Ma - South, J. 1906QB821.B972.....
S__1906B cited in BDS (Burnham Double Star Cat., 1906)
S__1913A Ma - South, J. 1913QB811.B8.......
S__1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
S__1922A Ma - South, J. 1922AN....216...49R
S__1922A cited by Rabe (AN 216, 49, 1922)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21091+3844 S 779 2002 17 11 111.6 7.61 9.57 K2 N D 210908.32+384345.1
21091+3844 S 779 2012 19 9 110.6 7.61 9.57 K2 N D 210908.32+384345.1
21091+3844 S 779 2015 21 9 110.5 7.61 9.57 K2 N 210908.32+384345.1

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

 
 
WDS 21091+3844 S 779 (HD 201561) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21091+3844 S 779 (HD 201561) : MEASURES
 
 
No records found.

 
 
WDS 21091+3844 (HD 201561) : VIRTUAL EYEPIECE
 
 

21091+3844 S 779A mag 7.61 Sp K2 21091+3844 S 779B sep 110.0 P.A. 7.00 mag 9.57 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 21091+3844 (HD 201561) : ALADIN DSS IMAGE @ 21h 09m 08.32s +38° 43' 45.1"
 
 
 
 
WDS 21091+3844 S 779 (HD 201561) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21091+3844 S 779 distance=0' 21102+3844 SEI1426 distance=13' 21097+3856 COU1967 distance=15' 21105+3851 SEI1429 distance=18' 21078+3834 BRT2233 distance=19' 21074+3841 MLB1019 distance=21' 21091+3822 SEI1417 distance=22' 21094+3905 GUR 1 distance=22' 21072+3841 MLB1018 distance=22' 21074+3853 MLB 890 distance=23' 21095+3822 GUR 2 distance=23' 21075+3831 SEI1408 distance=23' 21071+3852 MLB 888 distance=25' 21070+3839 ES 2059 distance=25' 21109+3830 ES 254 distance=26' 21113+3841 GUR 7AB distance=26' 21113+3841 GUR 7AC distance=26' 21073+3857 MLB 889 distance=26' 21069+3845 HZE 4BL distance=26' 21069+3845 TNN 15BR distance=26' 21069+3845 STF2758BC distance=26' 21069+3845 FYM 106BM distance=26' 21069+3845 FYM 106BN distance=26' 21110+3859 GUR 5 distance=27' 21069+3845 STF2758AB distance=27' 21069+3845 STF2758AD distance=27' 21069+3845 STF2758AE distance=27' 21069+3845 STF2758AF distance=27' 21069+3845 STF2758AG distance=27' 21069+3845 STF2758AH distance=27' 21069+3845 SMR 1AI distance=27' 21069+3845 STF2758AC distance=27' 21069+3845 HZE 4AJ distance=27' 21069+3845 HZE 4AK distance=27' 21069+3845 SMR 40AO distance=27' 21069+3845 SMR 40AP distance=27' 21069+3845 SMR 40AQ distance=27' 21112+3855 ES 1991 distance=27' 21111+3831 GUR 6 distance=27' 21114+3840 GUR 8 distance=27' 21068+3834 TDT2758 distance=29' 21108+3906 GUR 4 distance=30' 21083+3816 SEI1411 distance=30' 21071+3905 ALI 960 distance=33' 21108+3818 ALI 682 distance=33' 21111+3821 ES 207 distance=34' 21108+3814 TDT2806 distance=36' 21126+3846 COU2136 distance=41' 21122+3828 SMA 137 distance=41' 21125+3834 SEI1445 distance=41' 21111+3918 MLB 892 distance=41' 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 21091+3844 S 779 9 110.5
Show 21102+3844 SEI1426 20 17.6 13
Show 21097+3856 COU1967 192 0.8 15
Show 21105+3851 SEI1429 351 25.1 18
Show 21078+3834 BRT2233 38 3.9 19
Show 21074+3841 MLB1019 226 4.3 21
Show 21091+3822 SEI1417 140 31.3 22
Show 21094+3905 GUR 1 150 8.3 22
Show 21072+3841 MLB1018 252 4.4 22
Show 21074+3853 MLB 890 250 5.3 23
Show 21095+3822 GUR 2 67 4.0 23
Show 21075+3831 SEI1408 54 9.3 23
Show 21071+3852 MLB 888 55 4.0 25
Show 21070+3839 ES 2059 267 6.8 25
Show 21109+3830 ES 254 325 2.2 26
Show 21113+3841 GUR 7 AB 77 10.3 26
Show 21113+3841 GUR 7 AC 242 7.2 26
Show 21073+3857 MLB 889 5 7.0 26
Show 21069+3845 HZE 4 BL 145 9.9 26
Show 21069+3845 TNN 15 BR 77 11.5 26
Show 21069+3845 STF2758 BC 221 827.6 26
Show 21069+3845 FYM 106 BM 238 100.7 26
Show 21069+3845 FYM 106 BN 152 48.3 26
Show 21110+3859 GUR 5 2 0.2 27
Show 21069+3845 STF2758 AB 154 32.0 27
Show 21069+3845 STF2758 AD 250 748.0 27
Show 21069+3845 STF2758 AE 267 340.8 27
Show 21069+3845 STF2758 AF 240 371.2 27
Show 21069+3845 STF2758 AG 236 260.4 27
Show 21069+3845 STF2758 AH 263 134.0 27
Show 21069+3845 SMR 1 AI 236 49.3 27
Show 21069+3845 STF2758 AC 219 839.8 27
Show 21069+3845 HZE 4 AJ 241 17.5 27
Show 21069+3845 HZE 4 AK 83 7.8 27
Show 21069+3845 SMR 40 AO 275 176.6 27
Show 21069+3845 SMR 40 AP 284 166.5 27
Show 21069+3845 SMR 40 AQ 295 76.1 27
Show 21112+3855 ES 1991 25 2.6 27
Show 21111+3831 GUR 6 348 3.6 27
Show 21114+3840 GUR 8 8 10.4 27
Show 21068+3834 TDT2758 236 2.0 29
Show 21108+3906 GUR 4 106 5.2 30
Show 21083+3816 SEI1411 4 5.1 30
Show 21071+3905 ALI 960 110 12.9 33
Show 21108+3818 ALI 682 129 8.9 33
Show 21111+3821 ES 207 244 2.4 34
Show 21108+3814 TDT2806 259 0.4 36
Show 21126+3846 COU2136 293 0.4 41
Show 21122+3828 SMA 137 121 9.6 41
Show 21125+3834 SEI1445 23 27.9 41
Show 21111+3918 MLB 892 188 4.3 41

 
 
WDS 21091+3844 : COMPONENTS
 
 
  A
B pa=7.0°
sep=109.96"
 
 
21091+3844 A
 
 
Componente originario normalizzato AB Name HD 201561 Coord arcsec 2000 210908.32+384345.1 Mag 7.61
Spectral class K2 (yellow-orange) PmRA 2.00 PmDE -3.0 SAO 70977
HIP 104417 Tycho2 3168-00056-1 HD 201561 BD BD+38 4362
Tycho2
Tycho2 3168-00056-1 Pflag RAmdeg 317.28466947 DEmdeg 38.72920186
PmRA 1.5 PmDE -4.1 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 1.0 EpRAm 1990.97 EpDEm 1991.21
Num 14 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 9.123 E BTmag 0.017 VTmag 7.609
E VTmag 0.010 Prox 999 TYC T HIP 104417
CCDM RAdeg 317.28466500 DEdeg 38.72921139 EpRA 1990 1.58
EpDE 1990 1.69 E RAdeg 5.0 E DEdeg 4.8 Posflg
Corr 0.1
SAO
SAO 70977 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.007 Vmag 7.5 SpType K2
Double code Source 5 CatNum 2146 DM BD+38 4362
DMcomp BDsup HD 201561 M HD 0
GC RA1950rad 5.52912481 DE1950rad 0.67239986 PmRA2000 0.0008
PmDE2000 0.004
Hipparcos
Catalog H HIP 104417 Proxy RAhms 21 09 08.32
DEdms +38 43 45.2 Vmag 7.5 VarFlag R Vmag H
RAdeg 317.285 DEdeg 38.7292 AstroRef Plx 1.69
CCDM 21091+3844 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 201561 BD BD+38 4362
CD CP Dm number +38 4362 VIred 1.23
SpType K2 R SpType Coord arcsec 2000 210908.32+384345.2
Hipparcos 2
HIP 104417 Sn 5 So 0 Nc 1
RArad 5.5376620722 DErad 0.675952264 Plx 1.86 PmRA 2.34
PmDE -3.31 E RArad 0.39 E DErad 0.46 E Plx 0.61
E pmRA 0.42 E pmDE 0.55 Hpmag 7.6609 E Hpmag 0.0013
SHp 0.014 VA 0 BV 1.271 E BV 0.011
VI 1.23
CCDM
Ccdm 21091+3844 RComp Comp A Note1
Note2 Discov num DRAs 2.31 DDEs -14.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp K2 PmNote *
PmRA -2 PmDE 10 Dm number +38 4362 Cat1 BD
Name2 +38 2146 Cat2 AGK2/3 HD 201561 M HD
ADS BDS B10781 M ADS BDS N IDS IDS 21052N3819A
HIC 104417
 
 
21091+3844 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210909.46+384534.3 Mag 9.57 PmRA -15.00
PmDE -21.0 Tycho2 3168-02376-1 Calc delta mag 1.96 Calc coord yes
Tycho2
Tycho2 3168-02376-1 Pflag RAmdeg 317.29086076 DEmdeg 38.75958135
PmRA -15.7 PmDE -20.9 E RAmdeg 12 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.84 EpDEm 1990.07
Num 10 Q RAmdeg 0.9 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 9.704 E BTmag 0.020 VTmag 9.570
E VTmag 0.021 Prox 999 TYC T HIP
CCDM RAdeg 317.29090917 DEdeg 38.75962944 EpRA 1990 1.63
EpDE 1990 1.68 E RAdeg 11.5 E DEdeg 10.9 Posflg
Corr 0.1
CCDM
Ccdm 21091+3844 RComp Comp B Note1
Note2 Discov num S 779 DRAs 3.83 DDEs 94.8
R dRAs 10 Year 1925 Theta 010 Rho 111.6
Obs 4 Vmag 9.4 Sp PmNote *
PmRA -10 PmDE -16 Dm number +38 4363 Cat1 BD
Name2 +38 2147 Cat2 AGK2/3 HD M HD
ADS BDS B10781 M ADS BDS N IDS IDS 21052N3819B
HIC