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Doubles in session


Current system
20179+3845
SLE 990


Nearby doubles
9' : 20177+3836
SEI1069

10' : 20173+3837
TDT2141

11' : 20176+3835
ALI 927

13' : 20189+3839
SLE 996

14' : 20173+3834
MLB 951

20' : 20183+3825
ES 2049

20' : 20190+3900
HO 125

22' : 20192+3859
HO 126AB

22' : 20194+3831
SLE1001

23' : 20161+3837
SEI1049

23' : 20198+3852
SLE1004

24' : 20183+3822
SLE 992

24' : 20161+3854
CHR 95

25' : 20163+3829
SLE 981

25' : 20183+3820
CRB 10

26' : 20160+3856
ALI 926

27' : 20188+3909
SEI1079

27' : 20202+3840
SLE1006AB

28' : 20202+3838
ES 2052

28' : 20192+3822
ES 2504

28' : 20159+3859
BRT2230

29' : 20204+3840
SEI1088AB

30' : 20189+3817
A 1425AB

31' : 20177+3914
COU2536

32' : 20196+3820
A 1426

33' : 20185+3916
MLB 881



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20179+3845 SLE 990

 
 
20h 17m 56.28s +38° 44' 28.8" P.A. 274.00 sep 8.9 mag 11.70,13.30
 
 
Coord 2000 20179+3845 Discov num SLE 990 Comp Coord arcsec 2000 20 17 56.28 +38 44 28.8
Date first 1985 Date last 2015 Obs 8
Pa first 278 Pa last 273.5 P.A. Now (θ) 273.5°
Sep first 8.2 Sep last 8.944 Sep. Now (ρ) 8.944"
Mag pri 11.70 Mag sec 13.30 delta mag (ΔM) 1.6 Spectral class
Pri motion ra +001 Sec motion ra -022
Pri motion dec -003 Sec motion dec -014
Notes R (Red magnitudes)
rPM=0.978
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2061347052408240768
 
 
WDS 20179+3845 SLE 990 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sle1966 Mc j Soulie, G. 1966JO.....49..359S
Sle1966 +Pa J. Obs. 49, 359, 1966
Sle1983 Pa - Soulie, G. 1983A&AS...54..281S
Sle1983 A&AS 54, 281, 1983
Sle1984 Pa - Soulie, G. 1984A&AS...56..351S
Sle1984 A&AS 56, 351, 1984
Sle1985 Pa - Soulie, G. 1985A&AS...61...17S
Sle1985 A&AS 61, 17, 1985
Sle1986a Pa - Soulie, G. .
Sle1986a Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b Pa - Soulie, G. .
Sle1986b Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003 C j Soulie, G. 2003O&T....56...10S
Sle2003 Obs. et Travaux 56, 10, 2003
Sle2006 Pa - Soulie, G. 2006O&T....62...26S
Sle2006 Obs. et Travaux 62, 26, 2006
Sle2006b Pa j Soulie, G. 2006O&T....63...15S
Sle2006b Obs. et Travaux 63, 15, 2006
Sle2007 C j Soulie, G. 2007O&T....65...34S
Sle2007 Obs. et Travaux 65, 34, 2007
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20179+3845 SLE 990 1998 2 275 8.6 11.90 12.30 D 201756.19+384438.8
20179+3845 SLE 990 2002 3 275 8.7 11.70 13.30 R 201756.28+384428.8
20179+3845 SLE 990 2010 4 269 7.8 11.70 13.30 R 201756.28+384428.8
20179+3845 SLE 990 2015 4 274 8.9 11.70 13.30 R 201756.28+384428.8

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

 
 
WDS 20179+3845 SLE 990 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20179+3845 SLE 990 : MEASURES
 
 
No records found.

 
 
WDS 20179+3845 : VIRTUAL EYEPIECE
 
 

20179+3845 SLE 990A mag 11.7 20179+3845 SLE 990B sep 7.0 P.A. 274.50 mag 13.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20179+3845 : ALADIN DSS IMAGE @ 20h 17m 56.28s +38° 44' 28.8"
 
 
 
 
WDS 20179+3845 SLE 990 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20179+3845 SLE 990 distance=0' 20177+3836 SEI1069 distance=9' 20173+3837 TDT2141 distance=10' 20176+3835 ALI 927 distance=11' 20189+3839 SLE 996 distance=13' 20173+3834 MLB 951 distance=14' 20183+3825 ES 2049 distance=20' 20190+3900 HO 125 distance=20' 20192+3859 HO 126AB distance=22' 20192+3859 HO 126AC distance=22' 20194+3831 SLE1001 distance=22' 20161+3837 SEI1049 distance=23' 20198+3852 SLE1004 distance=23' 20183+3822 SLE 992 distance=24' 20161+3854 CHR 95 distance=24' 20163+3829 SLE 981 distance=25' 20183+3820 CRB 10 distance=25' 20160+3856 ALI 926 distance=26' 20188+3909 SEI1079 distance=27' 20202+3840 SLE1006AB distance=27' 20202+3840 SLE1006AC distance=27' 20202+3838 ES 2052 distance=28' 20192+3822 ES 2504 distance=28' 20159+3859 BRT2230 distance=28' 20204+3840 SEI1088AB distance=29' 20204+3840 SEI1089AC distance=29' 20189+3817 A 1425AB distance=30' 20189+3817 A 1425AB,C distance=30' 20177+3914 COU2536 distance=31' 20196+3820 A 1426 distance=32' 20185+3916 MLB 881 distance=33' 20150+3837 SLE 976 distance=35' 20191+3916 TRN 28AB distance=35' 20191+3916 TRN 28AC distance=35' 20177+3921 SEI1070 distance=37' 20156+3910 SEI1046 distance=38' 20176+3806 ES 2502 distance=39' 20146+3855 ES 2047BC distance=40' 20146+3855 ES 2047AB distance=41' 20146+3855 ES 2047AD distance=41' 20146+3855 ES 2047AE distance=41' 20148+3827 A 1421 distance=41' 20182+3803 SLE 991 distance=41' 20188+3924 SEI1078 distance=42' 20151+3820 SLE 977 distance=42' 20196+3808 SEI1084AB distance=42' 20196+3808 TOB 185AC distance=42' 20183+3802 SLE 993 distance=43' 20178+3802 RBR 25 distance=43' 20149+3821 SLE 973 distance=43' 20163+3924 SEI1051 distance=44' 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 20179+3845 SLE 990 274 8.9
Show 20177+3836 SEI1069 247 14.6 9
Show 20173+3837 TDT2141 96 1.3 10
Show 20176+3835 ALI 927 67 5.7 11
Show 20189+3839 SLE 996 106 6.6 13
Show 20173+3834 MLB 951 321 4.9 14
Show 20183+3825 ES 2049 267 3.2 20
Show 20190+3900 HO 125 196 3.5 20
Show 20192+3859 HO 126 AB 163 2.2 22
Show 20192+3859 HO 126 AC 247 37.0 22
Show 20194+3831 SLE1001 216 16.1 22
Show 20161+3837 SEI1049 23 17.0 23
Show 20198+3852 SLE1004 166 11.2 23
Show 20183+3822 SLE 992 282 10.3 24
Show 20161+3854 CHR 95 56 0.2 24
Show 20163+3829 SLE 981 260 11.3 25
Show 20183+3820 CRB 10 39 5.0 25
Show 20160+3856 ALI 926 282 8.6 26
Show 20188+3909 SEI1079 110 6.2 27
Show 20202+3840 SLE1006 AB 156 16.0 27
Show 20202+3840 SLE1006 AC 90 18.7 27
Show 20202+3838 ES 2052 144 2.5 28
Show 20192+3822 ES 2504 110 7.7 28
Show 20159+3859 BRT2230 297 6.0 28
Show 20204+3840 SEI1088 AB 238 4.3 29
Show 20204+3840 SEI1089 AC 17 28.2 29
Show 20189+3817 A 1425 AB 266 0.2 30
Show 20189+3817 A 1425 AB,C 310 9.1 30
Show 20177+3914 COU2536 312 1.8 31
Show 20196+3820 A 1426 259 3.7 32
Show 20185+3916 MLB 881 145 10.3 33
Show 20150+3837 SLE 976 90 6.8 35
Show 20191+3916 TRN 28 AB 80 4.9 35
Show 20191+3916 TRN 28 AC 158 3.2 35
Show 20177+3921 SEI1070 143 27.9 37
Show 20156+3910 SEI1046 249 1.5 38
Show 20176+3806 ES 2502 325 5.2 39
Show 20146+3855 ES 2047 BC 197 4.7 40
Show 20146+3855 ES 2047 AB 174 33.2 41
Show 20146+3855 ES 2047 AD 103 10.6 41
Show 20146+3855 ES 2047 AE 106 27.6 41
Show 20148+3827 A 1421 8 1.8 41
Show 20182+3803 SLE 991 131 11.8 41
Show 20188+3924 SEI1078 45 17.7 42
Show 20151+3820 SLE 977 279 7.3 42
Show 20196+3808 SEI1084 AB 247 26.3 42
Show 20196+3808 TOB 185 AC 259 13.6 42
Show 20183+3802 SLE 993 70 16.4 43
Show 20178+3802 RBR 25 107 11.4 43
Show 20149+3821 SLE 973 131 8.7 43
Show 20163+3924 SEI1051 148 22.3 44

 
 
WDS 20179+3845 : COMPONENTS
 
 
  A
B pa=274.5°
sep=6.98"
 
 
20179+3845 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201756.28+384428.8 Mag 11.7 PmRA 1.00
PmDE -3.0
 
 
20179+3845 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201755.68+384429.3 Mag 13.3 PmRA -22.00
PmDE -14.0 Calc delta mag 1.6 Calc coord yes