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Doubles in session


Current system
21154+3745
SMA 146


Nearby doubles
6' : 21151+3741
SEI1474

8' : 21161+3747
COU1819

14' : 21144+3753
SEI1460

15' : 21147+3734
SEI1465

20' : 21148+3803
AGC 13AB

20' : 21140+3755
SEI1457

22' : 21149+3806
GUR 28

22' : 21144+3803
SEI1461AB

23' : 21152+3722
TDT2859

23' : 21168+3729
TDT2880

24' : 21167+3803
DAM1262

25' : 21138+3800
KPP 786

26' : 21133+3744
SMA 141

26' : 21155+3719
MLB 424AB

26' : 21133+3743
SMA 142

28' : 21133+3734
ES 208

29' : 21140+3808
GUR 20

30' : 21140+3809
SEI1456

30' : 21146+3813
GUR 23

30' : 21151+3716
SEI1472

31' : 21156+3715
HO 285AB

31' : 21173+3806
TOI1320

32' : 21170+3810
SEI1485

32' : 21133+3803
TOB 214

32' : 21130+3732
HEI 283AB

34' : 21138+3812
SMA 144



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.

21154+3745 SMA 146

 
 
21h 15m 26.37s +37° 45' 08.7" P.A. 7.00 sep 4.5 mag 12.50,13.00
 
 
Coord 2000 21154+3745 Discov num SMA 146 Comp Coord arcsec 2000 21 15 26.37 +37 45 08.7
Date first 1923 Date last 2015 Obs 4
Pa first 5 Pa last 6.9 P.A. Now (θ) 6.9°
Sep first 4.4 Sep last 4.462 Sep. Now (ρ) 4.462"
Mag pri 12.50 Mag sec 13.00 delta mag (ΔM) 0.5 Spectral class
Pri motion ra -005 Sec motion ra +003
Pri motion dec -020 Sec motion dec +014
Notes
rPM=1.694
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1964772371975177472
 
 
WDS 21154+3745 SMA 146 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sma1931 Po - Smart, W.M., Green, H.E., & Fletcher, A. 1931MNRAS..92...37S
Sma1931 MNRAS 92, 37, 1931
Sma1932 Ma - Smart, W.M. & Green, H.E. 1932MNRAS..92..207S
Sma1932 +Po MNRAS 92, 207, 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21154+3745 SMA 146 1998 2 8 4.5 12.50 13.00 D 211526.37+374508.7
21154+3745 SMA 146 2002 3 7 4.4 12.50 13.00 D 211526.37+374508.7
21154+3745 SMA 146 2015 4 7 4.5 12.50 13.00 211526.37+374508.7

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

 
 
WDS 21154+3745 SMA 146 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21154+3745 SMA 146 : MEASURES
 
 
No records found.

 
 
WDS 21154+3745 : VIRTUAL EYEPIECE
 
 

21154+3745 SMA 146A mag 12.5 21154+3745 SMA 146B sep 4.5 P.A. 5.50 mag 13 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 21154+3745 : ALADIN DSS IMAGE @ 21h 15m 26.37s +37° 45' 08.7"
 
 
 
 
WDS 21154+3745 SMA 146 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21154+3745 SMA 146 distance=0' 21151+3741 SEI1474 distance=6' 21161+3747 COU1819 distance=8' 21144+3753 SEI1460 distance=14' 21147+3734 SEI1465 distance=15' 21148+3803 JOD 20Fa,Fb distance=18' 21148+3803 DAL 38GH distance=18' 21148+3803 AGC 13AB distance=20' 21148+3803 AGC 13AC distance=20' 21148+3803 AGC 13AE distance=20' 21148+3803 AGC 13AF distance=20' 21148+3803 DAL 38AG distance=20' 21148+3803 LEP 100AI distance=20' 21148+3803 AGC 13AB,D distance=20' 21148+3803 FYM 110AK distance=20' 21148+3803 FYM 110AJ distance=20' 21148+3803 FYM 110AL distance=20' 21140+3755 SEI1457 distance=20' 21149+3806 GUR 28 distance=22' 21144+3803 SEI1461AB distance=22' 21144+3803 GUR 21AC distance=22' 21152+3722 TDT2859 distance=23' 21168+3729 TDT2880 distance=23' 21167+3803 DAM1262 distance=24' 21138+3800 KPP 786 distance=25' 21133+3744 SMA 141 distance=26' 21155+3719 MLB 424AB distance=26' 21155+3719 SEI1478AC distance=26' 21133+3743 SMA 142 distance=26' 21133+3734 ES 208 distance=28' 21140+3808 GUR 20 distance=29' 21140+3809 SEI1456 distance=30' 21146+3813 GUR 23 distance=30' 21151+3716 SEI1472 distance=30' 21156+3715 HO 285AB distance=31' 21156+3715 WAL 138AC distance=31' 21173+3806 TOI1320 distance=31' 21130+3732 HEI 283BC distance=31' 21170+3810 SEI1485 distance=32' 21133+3803 TOB 214 distance=32' 21130+3732 HEI 283AB distance=32' 21138+3812 SMA 144 distance=34' 21184+3749 SEI1495 distance=36' 21166+3817 SMA 147 distance=36' 21137+3815 GUR 17 distance=37' 21127+3807 GUR 12 distance=39' 21127+3806 GUR 11 distance=39' 21138+3711 COU1816AB distance=40' 21138+3711 WSI 37AC distance=40' 21129+3717 SEI1449 distance=42' 21174+3711 SEI1491 distance=42' 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 21154+3745 SMA 146 7 4.5
Show 21151+3741 SEI1474 22 20.0 6
Show 21161+3747 COU1819 329 0.7 8
Show 21144+3753 SEI1460 259 6.9 14
Show 21147+3734 SEI1465 33 25.6 15
Show 21148+3803 JOD 20 Fa,Fb 349 0.9 18
Show 21148+3803 DAL 38 GH 108 8.6 18
Show 21148+3803 AGC 13 AB 190 1.1 20
Show 21148+3803 AGC 13 AC 211 73.0 20
Show 21148+3803 AGC 13 AE 257 86.9 20
Show 21148+3803 AGC 13 AF 184 89.5 20
Show 21148+3803 DAL 38 AG 109 120.9 20
Show 21148+3803 LEP 100 AI 77 534.5 20
Show 21148+3803 AGC 13 AB,D 208 205.4 20
Show 21148+3803 FYM 110 AK 316 99.0 20
Show 21148+3803 FYM 110 AJ 127 49.7 20
Show 21148+3803 FYM 110 AL 290 32.8 20
Show 21140+3755 SEI1457 27 10.6 20
Show 21149+3806 GUR 28 115 0.3 22
Show 21144+3803 SEI1461 AB 136 10.7 22
Show 21144+3803 GUR 21 AC 183 23.9 22
Show 21152+3722 TDT2859 248 1.7 23
Show 21168+3729 TDT2880 61 0.4 23
Show 21167+3803 DAM1262 275 34.4 24
Show 21138+3800 KPP 786 20 6.8 25
Show 21133+3744 SMA 141 149 7.3 26
Show 21155+3719 MLB 424 AB 63 5.1 26
Show 21155+3719 SEI1478 AC 217 9.7 26
Show 21133+3743 SMA 142 176 12.4 26
Show 21133+3734 ES 208 142 3.8 28
Show 21140+3808 GUR 20 17 1.6 29
Show 21140+3809 SEI1456 357 21.0 30
Show 21146+3813 GUR 23 60 10.4 30
Show 21151+3716 SEI1472 97 23.0 30
Show 21156+3715 HO 285 AB 22 9.2 31
Show 21156+3715 WAL 138 AC 29 57.3 31
Show 21173+3806 TOI1320 50 0.3 31
Show 21130+3732 HEI 283 BC 80 3.3 31
Show 21170+3810 SEI1485 175 26.6 32
Show 21133+3803 TOB 214 212 23.4 32
Show 21130+3732 HEI 283 AB 73 35.7 32
Show 21138+3812 SMA 144 326 15.4 34
Show 21184+3749 SEI1495 273 14.8 36
Show 21166+3817 SMA 147 319 13.2 36
Show 21137+3815 GUR 17 105 9.6 37
Show 21127+3807 GUR 12 323 2.6 39
Show 21127+3806 GUR 11 39 0.4 39
Show 21138+3711 COU1816 AB 248 1.8 40
Show 21138+3711 WSI 37 AC 336 10.0 40
Show 21129+3717 SEI1449 295 13.9 42
Show 21174+3711 SEI1491 294 14.7 42

 
 
WDS 21154+3745 : COMPONENTS
 
 
  A
B pa=5.5°
sep=4.45"
 
 
21154+3745 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211526.37+374508.7 Mag 12.5 PmRA -5.00
PmDE -20.0
 
 
21154+3745 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211526.41+374513.1 Mag 13 PmRA 3.00
PmDE 14.0 Calc delta mag 0.5 Calc coord yes