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20426+4013
TDT 2488


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ES 1980

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ES 1982



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

20426+4013 TDT 2488

 
 
20h 42m 38.48s +40° 13' 07.5" P.A. 138.00 sep 0.5 mag 11.64,11.66
 
 
Coord 2000 20426+4013 Discov num TDT2488 Comp Coord arcsec 2000 20 42 38.48 +40 13 07.5
Date first 1991 Date last 1991 Obs 1
Pa first 138 Pa last 137.6 P.A. Now (θ) 137.6°
Sep first 0.5 Sep last 0.54 Sep. Now (ρ) 0.54"
Mag pri 11.64 Mag sec 11.66 delta mag (ΔM) 0.02 Spectral class
Pri motion ra -014 Sec motion ra -014
Pri motion dec -010 Sec motion dec -010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3170-01022-1 Gaia DR2 2064525706140629760
 
 
WDS 20426+4013 TDT 2488 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20426+4013 TDT2488 1991 1 138 0.5 11.64 11.66 204238.48+401307.5

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

 
 
WDS 20426+4013 TDT 2488 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20426+4013 TDT 2488 : MEASURES
 
 
No records found.

 
 
WDS 20426+4013 : VIRTUAL EYEPIECE
 
 

20426+4013 TDT2488A mag 11.64 20426+4013 TDT2488B sep 0.5 P.A. 145.10 mag 11.66 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 20426+4013 : ALADIN DSS IMAGE @ 20h 42m 38.48s +40° 13' 07.5"
 
 
 
 
WDS 20426+4013 TDT 2488 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20426+4013 TDT2488 distance=0' 20420+4015 A 1433 distance=8' 20432+4026 COU2421 distance=15' 20434+4001 BRT2272 distance=16' 20436+4024 DAM1256 distance=16' 20419+3956 SEI1221 distance=20' 20419+3953 SEI1222 distance=22' 20440+4030 SLN 85 distance=24' 20444+4027 TDT2510 distance=25' 20429+4036 MLB 24 distance=25' 20405+4010 TOB 196BC distance=25' 20405+4010 SEI1214AB distance=26' 20427+3947 TDT2491 distance=27' 20416+3950 COU2290 distance=27' 20422+4041 MLB 23 distance=29' 20453+4010 COU2293 distance=30' 20454+4011 TDT2518 distance=32' 20434+3943 TDT2497 distance=32' 20454+4023 OSO 133AB distance=34' 20454+4023 OSO 133AC distance=34' 20454+4023 OSO 133AD distance=34' 20454+4023 OSO 133AE distance=34' 20402+3953 MLB 885 distance=34' 20456+4014 TDT2519 distance=34' 20446+4040 HJ 1573 distance=35' 20446+4041 HJ 1574 distance=36' 20395+4002 BRT2269 distance=39' 20413+4051 COU2419 distance=42' 20396+4035 STT 410AB distance=42' 20396+4035 STT 410AB,C distance=42' 20396+4035 STT 410AB,D distance=42' 20392+4017 ES 1980 distance=42' 20466+4020 ES 1982 distance=45' 20438+3928 SEI1230 distance=48' 20387+4024 ES 1979 distance=49' 20441+3927 ES 1981 distance=49' 20382+4022 TDT2439 distance=53' 20444+4103 COU2423AB distance=55' 20444+4103 GRV 375AC distance=55' 20379+4005 ES 1978 distance=55' 20379+4014 SEI1199 distance=55' 20435+3919 SEI1229 distance=57' 20445+3921 HJ 1572 distance=57' 20382+3938 MLB 778 distance=62' 20476+4038 CNT 9 distance=63' 20374+3952 TDT2430 distance=64' 20481+3958 CVR 231 distance=65' 20478+3944 GRV 381 distance=66' 20484+4002 J 1237BC distance=67' 20457+3917 SEI1241 distance=67' 20484+4002 SEI1255AB distance=67' 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 20426+4013 TDT2488 138 0.5
Show 20420+4015 A 1433 24 0.8 8
Show 20432+4026 COU2421 110 0.3 15
Show 20434+4001 BRT2272 285 5.1 16
Show 20436+4024 DAM1256 106 9.6 16
Show 20419+3956 SEI1221 254 2.0 20
Show 20419+3953 SEI1222 77 25.4 22
Show 20440+4030 SLN 85 203 9.1 24
Show 20444+4027 TDT2510 157 0.9 25
Show 20429+4036 MLB 24 175 5.9 25
Show 20405+4010 TOB 196 BC 32 23.4 25
Show 20405+4010 SEI1214 AB 78 20.3 26
Show 20427+3947 TDT2491 275 1.4 27
Show 20416+3950 COU2290 43 0.5 27
Show 20422+4041 MLB 23 41 7.6 29
Show 20453+4010 COU2293 201 1.1 30
Show 20454+4011 TDT2518 203 0.7 32
Show 20434+3943 TDT2497 317 0.5 32
Show 20454+4023 OSO 133 AB 114 12.0 34
Show 20454+4023 OSO 133 AC 236 11.7 34
Show 20454+4023 OSO 133 AD 67 21.8 34
Show 20454+4023 OSO 133 AE 8 22.4 34
Show 20402+3953 MLB 885 72 1.7 34
Show 20456+4014 TDT2519 347 1.3 34
Show 20446+4040 HJ 1573 274 9.8 35
Show 20446+4041 HJ 1574 278 7.4 36
Show 20395+4002 BRT2269 199 5.0 39
Show 20413+4051 COU2419 69 0.8 42
Show 20396+4035 STT 410 AB 3 0.9 42
Show 20396+4035 STT 410 AB,C 70 68.6 42
Show 20396+4035 STT 410 AB,D 327 106.6 42
Show 20392+4017 ES 1980 60 8.3 42
Show 20466+4020 ES 1982 301 3.9 45
Show 20438+3928 SEI1230 124 25.3 48
Show 20387+4024 ES 1979 303 7.6 49
Show 20441+3927 ES 1981 310 4.5 49
Show 20382+4022 TDT2439 22 0.4 53
Show 20444+4103 COU2423 AB 180 0.3 55
Show 20444+4103 GRV 375 AC 197 31.4 55
Show 20379+4005 ES 1978 136 2.9 55
Show 20379+4014 SEI1199 99 9.3 55
Show 20435+3919 SEI1229 156 19.6 57
Show 20445+3921 HJ 1572 280 15.6 57
Show 20382+3938 MLB 778 285 8.3 62
Show 20476+4038 CNT 9 292 9.0 63
Show 20374+3952 TDT2430 172 1.3 64
Show 20481+3958 CVR 231 359 9.7 65
Show 20478+3944 GRV 381 340 35.8 66
Show 20484+4002 J 1237 BC 355 5.6 67
Show 20457+3917 SEI1241 309 7.1 67
Show 20484+4002 SEI1255 AB 338 24.4 67

 
 
WDS 20426+4013 : COMPONENTS
 
 
  A
B pa=145.1°
sep=0.49"
 
 
20426+4013 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204238.48+401307.5 Mag 11.64 PmRA -14.00
PmDE -10.0 Tycho2 3170-01022-1
Tycho2
Tycho2 3170-01022-1 Pflag RAmdeg 310.66040661 DEmdeg 40.21868264
PmRA -14.0 PmDE -9.7 E RAmdeg 28 E DEmdeg 27
E pmRA 1.5 E pmDE 1.5 EpRAm 1986.71 EpDEm 1986.91
Num 5 Q RAmdeg 0.5 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.1 BTmag 11.228 E BTmag 0.048 VTmag 10.933
E VTmag 0.053 Prox 999 TYC T HIP
CCDM RAdeg 310.66044722 DEdeg 40.21870028 EpRA 1990 1.63
EpDE 1990 1.71 E RAdeg 31.1 E DEdeg 30.3 Posflg
Corr 0.1
 
 
20426+4013 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204238.50+401307.1 Mag 11.66 PmRA -14.00
PmDE -10.0 Calc delta mag 0.02 Calc coord yes