20231+4047 J 787 CD
20h 23m 08.07s +40° 46' 51.9" P.A. 292.00 sep 25.3 mag 13.00,12.40
Coord 2000 |
20231+4047 |
|
Discov num |
J 787 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 23 08.07 +40 46 51.9 |
|
Date first |
1917 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
289 |
|
Pa last |
292.4 |
|
P.A. Now (θ) |
292.4° |
|
Sep first |
24.6 |
|
Sep last |
25.285 |
|
Sep. Now (ρ) |
25.285" |
|
Mag pri |
13.00 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-011 |
|
Sec motion dec |
-007 |
|
Notes |
N
(See Notes) |
|
rPM=0.593
Nature of this double is uncertain.
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 |
2067570283905719296 |
|
WDS 20231+4047 J 787 CD : 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 |
CD |
2003 |
3 |
292 |
25.3 |
7.48 |
13.10 |
|
N |
202306.70+404801.6 |
20231+4047 |
J 787 |
CD |
2015 |
5 |
292 |
25.3 |
13.00 |
12.40 |
|
N |
202308.07+404651.9 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20231+4047 J 787 CD : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20231+4047 J 787 CD : MEASURES
No records found.
WDS 20231+4047 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 20231+4047 : ALADIN DSS IMAGE @ 20h 23m 08.07s +40° 46' 51.9"
WDS 20231+4047 J 787 CD : NEIGHBORHOODS
|
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 |
CD |
292 |
25.3 |
|
Show |
|
20231+4047 |
J 787 |
AB |
165 |
2.6 |
1 |
Show |
|
20231+4047 |
J 787 |
AC |
112 |
9.5 |
1 |
Show |
|
20231+4047 |
J 787 |
AD |
293 |
15.8 |
1 |
Show |
|
20232+4046 |
ES 1677 |
|
270 |
7.4 |
2 |
Show |
|
20231+4048 |
GRF 15 |
|
139 |
199.3 |
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 |
23 |
Show |
|
20210+4041 |
TDT2199 |
|
122 |
0.8 |
25 |
Show |
|
20207+4031 |
TDT2193 |
|
288 |
1.2 |
33 |
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 |
|
20253+4003 |
MLB 22 |
|
227 |
6.2 |
50 |
Show |
|
20254+4129 |
COU2642 |
|
321 |
0.7 |
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 |
58 |
Show |
|
20181+4044 |
STF2666 |
AB |
245 |
2.8 |
58 |
Show |
|
20181+4044 |
STF2666 |
AC |
207 |
34.0 |
58 |
Show |
|
20181+4044 |
TAR 5 |
AD |
181 |
49.6 |
58 |
Show |
|
20181+4044 |
STF2666 |
CD |
142 |
24.1 |
58 |
Show |
|
20203+3958 |
BRT2260 |
|
9 |
3.2 |
59 |
Show |
|
20283+4038 |
TDT2306 |
|
156 |
1.1 |
59 |
Show |
|
20215+3950 |
SEI1103 |
|
223 |
17.0 |
60 |
Show |
|
20199+4000 |
MLB1015 |
|
89 |
4.0 |
61 |
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 |
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 |
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 |
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 |
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 |
|
|