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Doubles in session


Current system
20450+3600
ALI 204


Nearby doubles
13' : 20460+3601
SEI1242

14' : 20460+3554
TDT2525

18' : 20448+3542
SEI1234

19' : 20444+3617
GII 53

21' : 20435+3609
ES 2195AB

21' : 20462+3546
SEI1243AB

22' : 20465+3550
ES 2196

26' : 20430+3555
HJ 1568

29' : 20452+3531
SEI1237

30' : 20471+3545
SEI1247

31' : 20451+3529
COU1809

31' : 20462+3533
ES 2252AB

32' : 20434+3535
ISM 5AB

32' : 20462+3628
TDT2528

34' : 20423+3601
TDT2481

36' : 20449+3524
SEI1235

38' : 20481+3554
SEI1252

39' : 20456+3521
TDT2520

40' : 20418+3553
HJ 1560AB

42' : 20474+3629
STT 413AB

44' : 20485+3608
SEI1253

44' : 20485+3550
SEI1254

47' : 20417+3622
SEI1217

48' : 20457+3647
AG 265

50' : 20423+3637
SEI1224

51' : 20450+3651
ES 2513



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

20450+3600 ALI 204

 
 
20h 45m 00.20s +35° 59' 29.4" P.A. 307.00 sep 11.5 mag 11.00,12.70
 
 
Coord 2000 20450+3600 Discov num ALI 204 Comp Coord arcsec 2000 20 45 00.20 +35 59 29.4
Date first 1933 Date last 2015 Obs 11
Pa first 307 Pa last 306.6 P.A. Now (θ) 306.6°
Sep first 11.3 Sep last 11.496 Sep. Now (ρ) 11.496"
Mag pri 11.00 Mag sec 12.70 delta mag (ΔM) 1.7 Spectral class
Pri motion ra +005 Sec motion ra +005
Pri motion dec -002 Sec motion dec +002
Notes
rPM=0.743
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2699-02971-1 Gaia DR2 1870385212922335360
 
 
WDS 20450+3600 ALI 204 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ali1949 Pa - Ali, A. 1949AJ.....54..199A
Ali1949 AJ 54, 199, 1949
Ali1950 Pa - Ali, A. 1950AJ.....55..209A
Ali1950 AJ 55, 208, 1950
Ali1952 Pa - Ali, A. 1952AJ.....57..146A
Ali1952 AJ 57, 146, 1952
Ali1955 Pa - Ali, A. .
Ali1955 Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999 Pa - Ali, A. ...................
Ali9999 +Po Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20450+3600 ALI 204 1998 4 307 11.5 11.00 12.70 D 204500.20+355929.4
20450+3600 ALI 204 2002 5 307 11.5 11.00 12.70 D 204500.20+355929.4
20450+3600 ALI 204 2010 6 307 10.7 11.00 12.70 204500.20+355929.4
20450+3600 ALI 204 2015 7 307 11.5 11.00 12.70 204500.20+355929.4

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

 
 
WDS 20450+3600 ALI 204 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20450+3600 ALI 204 : MEASURES
 
 
No records found.

 
 
WDS 20450+3600 : VIRTUAL EYEPIECE
 
 

20450+3600 ALI 204A mag 11 20450+3600 ALI 204B sep 10.1 P.A. 312.50 mag 12.7 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 20450+3600 : ALADIN DSS IMAGE @ 20h 45m 00.20s +35° 59' 29.4"
 
 
 
 
WDS 20450+3600 ALI 204 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20450+3600 ALI 204 distance=0' 20460+3601 SEI1242 distance=13' 20460+3554 TDT2525 distance=14' 20448+3542 SEI1234 distance=18' 20444+3617 GII 53 distance=19' 20435+3609 ES 2195AB distance=21' 20435+3609 ES 2195BC distance=21' 20462+3546 SEI1243AB distance=21' 20462+3546 TDT2529Aa,Ab distance=21' 20465+3550 ES 2196 distance=22' 20430+3555 HJ 1568 distance=26' 20452+3531 SEI1237 distance=29' 20471+3545 SEI1247 distance=30' 20451+3529 COU1809 distance=31' 20462+3533 ES 2252AB distance=31' 20462+3533 LMP 18AB,C distance=31' 20462+3533 LMP 18AB,D distance=31' 20434+3535 ISM 5AB distance=32' 20434+3535 EVS 44AC distance=32' 20434+3535 EVS 44AD distance=32' 20462+3628 TDT2528 distance=32' 20423+3601 TDT2481 distance=34' 20449+3524 SEI1235 distance=36' 20481+3554 SEI1252 distance=38' 20456+3521 TDT2520 distance=39' 20418+3553 HJ 1560AB distance=40' 20418+3553 HJ 1560AC distance=40' 20474+3629 MCA 63Aa,Ab distance=42' 20474+3629 STT 413AB distance=42' 20474+3629 S 765AC distance=42' 20474+3629 FYM 126AF distance=42' 20474+3629 FYM 126CD distance=43' 20474+3629 FYM 126CE distance=43' 20485+3608 SEI1253 distance=44' 20485+3550 SEI1254 distance=44' 20417+3622 SEI1217 distance=47' 20457+3647 AG 265 distance=48' 20423+3637 SEI1224 distance=50' 20450+3651 ES 2513 distance=51' 20463+3646 COU2220Aa,Ab distance=51' 20463+3646 ES 2515AB distance=51' 20431+3645 SEI1227 distance=51' 20464+3511 COU1810 distance=52' 20454+3651 SEI1238 distance=52' 20490+3619 COU1811 distance=53' 20468+3648 STJ 73 distance=53' 20406+3603 SEI1213 distance=54' 20461+3653 ES 2514 distance=55' 20494+3548 SEI1262 distance=55' 20415+3635 SEI1216 distance=56' 20416+3637 SEI1218 distance=56' 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 20450+3600 ALI 204 307 11.5
Show 20460+3601 SEI1242 214 23.6 13
Show 20460+3554 TDT2525 70 0.6 14
Show 20448+3542 SEI1234 127 19.1 18
Show 20444+3617 GII 53 358 0.3 19
Show 20435+3609 ES 2195 AB 4 20.7 21
Show 20435+3609 ES 2195 BC 91 1.8 21
Show 20462+3546 SEI1243 AB 203 16.2 21
Show 20462+3546 TDT2529 Aa,Ab 218 0.6 21
Show 20465+3550 ES 2196 70 5.6 22
Show 20430+3555 HJ 1568 44 11.2 26
Show 20452+3531 SEI1237 272 26.1 29
Show 20471+3545 SEI1247 78 25.6 30
Show 20451+3529 COU1809 101 0.7 31
Show 20462+3533 ES 2252 AB 294 4.2 31
Show 20462+3533 LMP 18 AB,C 82 26.0 31
Show 20462+3533 LMP 18 AB,D 85 35.5 31
Show 20434+3535 ISM 5 AB 145 0.0 32
Show 20434+3535 EVS 44 AC 96 12.9 32
Show 20434+3535 EVS 44 AD 298 14.8 32
Show 20462+3628 TDT2528 4 1.9 32
Show 20423+3601 TDT2481 43 0.7 34
Show 20449+3524 SEI1235 77 9.4 36
Show 20481+3554 SEI1252 115 17.3 38
Show 20456+3521 TDT2520 16 0.4 39
Show 20418+3553 HJ 1560 AB 248 12.8 40
Show 20418+3553 HJ 1560 AC 74 24.3 40
Show 20474+3629 MCA 63 Aa,Ab 46 0.1 42
Show 20474+3629 STT 413 AB 1 0.9 42
Show 20474+3629 S 765 AC 106 82.8 42
Show 20474+3629 FYM 126 AF 119 52.0 42
Show 20474+3629 FYM 126 CD 112 9.4 43
Show 20474+3629 FYM 126 CE 207 40.1 43
Show 20485+3608 SEI1253 83 24.1 44
Show 20485+3550 SEI1254 20 22.3 44
Show 20417+3622 SEI1217 245 15.1 47
Show 20457+3647 AG 265 207 6.8 48
Show 20423+3637 SEI1224 161 25.2 50
Show 20450+3651 ES 2513 275 6.4 51
Show 20463+3646 COU2220 Aa,Ab 299 0.7 51
Show 20463+3646 ES 2515 AB 175 6.8 51
Show 20431+3645 SEI1227 168 15.0 51
Show 20464+3511 COU1810 183 0.2 52
Show 20454+3651 SEI1238 123 8.1 52
Show 20490+3619 COU1811 255 0.8 53
Show 20468+3648 STJ 73 231 0.9 53
Show 20406+3603 SEI1213 243 29.3 54
Show 20461+3653 ES 2514 100 2.9 55
Show 20494+3548 SEI1262 301 6.1 55
Show 20415+3635 SEI1216 117 11.8 56
Show 20416+3637 SEI1218 226 12.8 56

 
 
WDS 20450+3600 : COMPONENTS
 
 
  A
B pa=312.5°
sep=10.14"
 
 
20450+3600 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204500.20+355929.4 Mag 11 PmRA 5.00
PmDE -2.0 Tycho2 2699-02971-1
Tycho2
Tycho2 2699-02971-1 Pflag RAmdeg 311.25085709 DEmdeg 35.99151731
PmRA 10.1 PmDE 5.5 E RAmdeg 30 E DEmdeg 32
E pmRA 1.7 E pmDE 1.7 EpRAm 1983.97 EpDEm 1985.71
Num 7 Q RAmdeg 1.4 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.4 BTmag 11.348 E BTmag 0.061 VTmag 10.856
E VTmag 0.060 Prox 999 TYC T HIP
CCDM RAdeg 311.25084611 DEdeg 35.99149750 EpRA 1990 1.56
EpDE 1990 1.68 E RAdeg 40.5 E DEdeg 35.9 Posflg
Corr 0.1
 
 
20450+3600 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204459.58+355936.3 Mag 12.7 PmRA 5.00
PmDE 2.0 Calc delta mag 1.7 Calc coord yes