stampa
Login

Create your personal custom set of columns with all data you need.
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20231+4047
J 787 AD


Nearby doubles
2' : 20231+4048
GRF 15

2' : 20232+4046
ES 1677

6' : 20232+4052
CIA 46

11' : 20231+4037
TDT2228

13' : 20221+4042
ES 1676

24' : 20251+4042
TDT2253

25' : 20210+4041
TDT2199

32' : 20207+4031
TDT2193

41' : 20204+4021
TDT2186

41' : 20264+4029
MLB1087

43' : 20248+4009
HO 278

43' : 20259+4019
ALI1142

43' : 20254+4014
MLR 1

44' : 20197+4108
STTA205

45' : 20215+4127
TDT2203

46' : 20205+4127
LI 4

47' : 20205+4122
LI 5AB

47' : 20244+4002
MLB 21

47' : 20212+4128
A 287

50' : 20255+4006
D 22AB

50' : 20254+4129
COU2642

50' : 20253+4003
MLB 22

53' : 20274+4107
TDT2288

53' : 20257+4004
TOR 25AB

54' : 20264+4125
A 292

54' : 20256+4132
COU2643



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.

20231+4047 J 787 AD

 
 
20h 23m 07.30s +40° 46' 55.2" P.A. 293.00 sep 15.8 mag 10.50,12.40 Sp B3
 
 
Coord 2000 20231+4047 Discov num J   787 Comp AD Coord arcsec 2000 20 23 07.30 +40 46 55.2
Date first 1917 Date last 2015 Obs 5
Pa first 291 Pa last 292.7 P.A. Now (θ) 292.7°
Sep first 15.7 Sep last 15.772 Sep. Now (ρ) 15.772"
Mag pri 10.50 Mag sec 12.40 delta mag (ΔM) 1.9 Spectral class B3 (blue-white)
Pri motion ra -006 Sec motion ra +001
Pri motion dec -002 Sec motion dec -007
Notes N (See Notes)
rPM=1.217
This double is not physical.
 
 
20231+4047 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 23 07 +40 46 55 J 787 AB 2003 4 165 2.6 10.50 11.40 0.90
Show 20 23 07 +40 46 55 J 787 AC 2015 5 112 9.5 10.50 13.00 2.50
Show 20 23 07 +40 46 55 J 787 AD 2015 5 293 15.8 10.50 12.40 1.90 <===
Show 20 23 08 +40 46 52 J 787 CD 2015 9 292 25.3 13.00 12.40 0.60
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2067570459999953024
 
 
WDS 20231+4047 J 787 AD : NOTES
 
 
discov_num notes refcode
J 787 CD. This pair was previously known as BU 1487CD, however Burnham Bu_1913
actually measured STTA207CD at 20229+4259.
 
 
REFERENCES
 
 
refcode metd author reference
Bu_1913 Ma j Burnham, S.W. 1913QB811.B8.......
Bu_1913 +Pa Carnegie Inst. Wash. #168, 1913
Bu_1913 +T
 
 
DISCOVERER
 
 
idgroup discov author
1 J Jonckheere, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20231+4047 J 787 AD 2003 3 293 15.9 9.40 12.00 N D 202307.30+404655.2
20231+4047 J 787 AD 2015 5 293 15.8 10.50 12.40 B3 N 202307.30+404655.2

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

 
 
WDS 20231+4047 J 787 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20231+4047 J 787 AD : MEASURES
 
 
No records found.

 
 
WDS 20231+4047 : VIRTUAL EYEPIECE
 
 

20231+4047 J 787A mag 10.5 Sp B3 20231+4047 J 787B sep 2.5 P.A. 168.20 mag 11.4 20231+4047 J 787C sep 9.3 P.A. 110.70 mag 13 20231+4047 J 787D sep 12.6 P.A. 298.90 mag 12.4 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 20231+4047 : ALADIN DSS IMAGE @ 20h 23m 07.30s +40° 46' 55.2"
 
 
 
 
WDS 20231+4047 J 787 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20231+4047 J 787AD distance=0' 20231+4047 J 787CD distance=1' 20231+4048 GRF 15 distance=2' 20232+4046 ES 1677 distance=2' 20232+4052 CIA 46 distance=6' 20231+4037 TDT2228 distance=11' 20221+4042 ES 1676 distance=13' 20251+4042 TDT2253 distance=24' 20210+4041 TDT2199 distance=25' 20207+4031 TDT2193 distance=32' 20222+4015 BU 665A,BC (Sadr) distance=34' 20222+4015 BU 665BC,D distance=36' 20222+4015 BU 665BC distance=36' 20204+4021 TDT2186 distance=41' 20264+4029 MLB1087 distance=41' 20248+4009 HO 278 distance=43' 20259+4019 ALI1142 distance=43' 20254+4014 MLR 1 distance=43' 20197+4108 STTA205 distance=44' 20215+4127 TDT2203 distance=45' 20205+4127 LI 4 distance=46' 20205+4122 LI 5AB distance=47' 20205+4122 FAB 15AC distance=47' 20244+4002 MLB 21 distance=47' 20212+4128 A 287 distance=47' 20255+4006 D 22AB distance=50' 20255+4006 D 22AC distance=50' 20255+4006 POP 224AD distance=50' 20254+4129 COU2642 distance=50' 20253+4003 MLB 22 distance=50' 20274+4107 TDT2288 distance=53' 20257+4004 TOR 25AB distance=53' 20257+4004 POP 199AC distance=53' 20264+4125 A 292 distance=54' 20256+4132 COU2643 distance=54' 20278+4036 TDT2294 distance=55' 20184+4033 ARN 49 distance=56' 20187+4113 COU2640 distance=57' 20181+4044 CHR 96Aa,Ab distance=57' 20181+4044 STF2666AB distance=57' 20181+4044 STF2666AC distance=57' 20181+4044 TAR 5AD distance=57' 20181+4044 STF2666CD distance=58' 20203+3958 BRT2260 distance=59' 20283+4038 TDT2306 distance=60' 20215+3950 SEI1103 distance=60' 20199+4000 MLB1015 distance=60' 20238+4146 COU2641 distance=61' 20198+3958 MLB1014 distance=63' 20177+4030 HDS2897 distance=64' 20185+4123 TDT2154 distance=64' 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 20231+4047 J 787 AB 165 2.6
Show 20231+4047 J 787 AC 112 9.5
Show 20231+4047 J 787 AD 293 15.8
Show 20231+4047 J 787 CD 292 25.3 1
Show 20231+4048 GRF 15 139 199.3 2
Show 20232+4046 ES 1677 270 7.4 2
Show 20232+4052 CIA 46 14 0.0 6
Show 20231+4037 TDT2228 242 0.4 11
Show 20221+4042 ES 1676 285 2.4 13
Show 20251+4042 TDT2253 239 2.4 24
Show 20210+4041 TDT2199 122 0.8 25
Show 20207+4031 TDT2193 288 1.2 32
Show Sadr 20222+4015 BU 665 A,BC 197 147.1 34
Show 20222+4015 BU 665 BC,D 131 41.0 36
Show 20222+4015 BU 665 BC 302 1.9 36
Show 20204+4021 TDT2186 349 0.5 41
Show 20264+4029 MLB1087 98 9.5 41
Show 20248+4009 HO 278 70 0.1 43
Show 20259+4019 ALI1142 56 12.1 43
Show 20254+4014 MLR 1 213 0.4 43
Show 20197+4108 STTA205 321 45.5 44
Show 20215+4127 TDT2203 225 0.7 45
Show 20205+4127 LI 4 333 8.9 46
Show 20205+4122 LI 5 AB 145 8.8 47
Show 20205+4122 FAB 15 AC 203 19.5 47
Show 20244+4002 MLB 21 15 8.8 47
Show 20212+4128 A 287 132 1.5 47
Show 20255+4006 D 22 AB 163 2.9 50
Show 20255+4006 D 22 AC 114 18.1 50
Show 20255+4006 POP 224 AD 98 71.2 50
Show 20254+4129 COU2642 321 0.7 50
Show 20253+4003 MLB 22 227 6.2 50
Show 20274+4107 TDT2288 181 2.5 53
Show 20257+4004 TOR 25 AB 191 4.7 53
Show 20257+4004 POP 199 AC 245 59.6 53
Show 20264+4125 A 292 134 2.1 54
Show 20256+4132 COU2643 108 0.5 54
Show 20278+4036 TDT2294 310 2.2 55
Show 20184+4033 ARN 49 313 30.2 56
Show 20187+4113 COU2640 265 0.5 57
Show 20181+4044 CHR 96 Aa,Ab 151 0.1 57
Show 20181+4044 STF2666 AB 245 2.8 57
Show 20181+4044 STF2666 AC 207 34.0 57
Show 20181+4044 TAR 5 AD 181 49.6 57
Show 20181+4044 STF2666 CD 142 24.1 58
Show 20203+3958 BRT2260 9 3.2 59
Show 20283+4038 TDT2306 156 1.1 60
Show 20215+3950 SEI1103 223 17.0 60
Show 20199+4000 MLB1015 89 4.0 60
Show 20238+4146 COU2641 279 1.0 61
Show 20198+3958 MLB1014 241 7.6 63

 
 
WDS 20231+4047 : COMPONENTS
 
 
  A B C
B pa=168.2°
sep=2.53"
 
C pa=110.7°
sep=9.35"
pa=95.7°
sep=8.27"
 
D pa=298.9°
sep=12.59"
pa=306.6°
sep=14.37"
pa=295.4°
sep=21.88"
 
 
20231+4047 A
 
 
Coord arcsec 2000 202307.30+404655.2 Mag 10.5 Spectral class B3 (blue-white) PmRA -7.00
PmDE 0.0
CCDM
Ccdm 20231+4047 RComp Comp A Note1
Note2 Discov num DRAs 1.46 DDEs -5.7
R dRAs 65 Year Theta Rho
Obs 4 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13789 M ADS BDS N IDS IDS 20195N4028A
HIC
 
 
20231+4047 B
 
 
Coord arcsec 2000 202307.35+404652.7 Mag 11.4 Calc delta mag 0.9 Calc coord yes
CCDM
Ccdm 20231+4047 RComp Comp B Note1
Note2 Discov num J 787 DRAs DDEs
R dRAs Year 1912 Theta 158 Rho 2.3
Obs 3 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13789 M ADS BDS N IDS IDS 20195N4028B
HIC
 
 
20231+4047 C
 
 
Coord arcsec 2000 202308.07+404651.9 Coord calc 202308.07+404651.9 Mag 13 PmRA 8.00
PmDE -11.0 Calc delta mag 2.5
CCDM
Ccdm 20231+4047 RComp Comp C Note1
Note2 Discov num J 787 DRAs DDEs
R dRAs Year 1917 Theta 107 Rho 9.0
Obs 1 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13789 M ADS BDS N IDS IDS 20195N4028C
HIC
 
 
20231+4047 D
 
 
Coord arcsec 2000 202306.33+404701.3 Mag 12.4 PmRA 1.00 PmDE -7.0
Calc delta mag 1.9 Calc coord yes
CCDM
Ccdm 20231+4047 RComp Comp D Note1
Note2 Discov num J 787 DRAs 0.06 DDEs 1.4
R dRAs 65 Year 1917 Theta 291 Rho 15.6
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13789 M ADS BDS N IDS IDS 20195N4028D
HIC