20308+3749 SEI 1146 AB
20h 30m 45.51s +37° 48' 58.8" P.A. 42.00 sep 10.2 mag 12.25,12.27
Coord 2000 |
20308+3749 |
|
Discov num |
SEI1146 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 30 45.51 +37 48 58.8 |
|
Date first |
1895 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
42 |
|
Pa last |
42.3 |
|
P.A. Now (θ) |
42.3° |
|
Sep first |
10.2 |
|
Sep last |
10.229 |
|
Sep. Now (ρ) |
10.229" |
|
Mag pri |
12.25 |
|
Mag sec |
12.27 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
|
|
Pri motion ra |
+003 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
+000 |
|
Notes |
B
(Blue magnitudes) |
|
rPM=0.447
Nature of this double is uncertain.
20308+3749 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 30 46 +37 48 59 |
SEI 1146 AB |
2015 |
9 |
42 |
10.2 |
12.25 |
12.27 |
0.02 |
|
<=== |
Show |
|
|
20 30 46 +37 48 59 |
SEI 1147 AC |
2015 |
8 |
286 |
14.5 |
12.25 |
12.53 |
0.28 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2063852182251302656 |
|
WDS 20308+3749 SEI 1146 AB : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Sei1908 |
Pa - |
Scheiner, J. |
1908POPot..59.....S |
Sei1908 |
+Po |
Pub. Obs. Potsdam 20, #59, 1908 |
|
Sei1913A |
Pa - |
Scheiner, J. |
1913QB811.B8....... |
Sei1913A |
|
cited by Burnham (Carnegie Inst. Wash. #168, 1913) |
|
Sei1932A |
Pa - |
Scheiner, J. |
1932QB821.A43...... |
Sei1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20308+3749 |
SEI1146 |
AB |
1998 |
4 |
43 |
10.2 |
12.25 |
12.27 |
|
DB |
203045.51+374858.8 |
20308+3749 |
SEI1146 |
AB |
2002 |
5 |
42 |
10.2 |
12.25 |
12.27 |
|
DB |
203045.51+374858.8 |
20308+3749 |
SEI1146 |
AB |
2010 |
6 |
42 |
9.8 |
12.25 |
12.27 |
|
B |
203045.51+374858.8 |
20308+3749 |
SEI1146 |
AB |
2015 |
6 |
42 |
10.2 |
12.25 |
12.27 |
|
B |
203045.51+374858.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20308+3749 SEI 1146 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20308+3749 SEI 1146 AB : MEASURES
No records found.
WDS 20308+3749 : 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 20308+3749 : ALADIN DSS IMAGE @ 20h 30m 45.51s +37° 48' 58.8"
WDS 20308+3749 SEI 1146 AB : 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 |
|
20308+3749 |
SEI1146 |
AB |
42 |
10.2 |
|
Show |
|
20308+3749 |
SEI1147 |
AC |
286 |
14.5 |
|
Show |
|
20304+3753 |
TDT2328 |
|
45 |
0.5 |
7 |
Show |
|
20315+3806 |
SEI1151 |
|
215 |
25.1 |
21 |
Show |
|
20297+3733 |
ES 2509 |
|
241 |
3.3 |
22 |
Show |
|
20297+3808 |
STF2691 |
|
32 |
16.3 |
23 |
Show |
|
20293+3731 |
WEI 35 |
CD |
202 |
12.1 |
25 |
Show |
|
20293+3731 |
WEI 35 |
AB |
214 |
4.2 |
26 |
Show |
|
20293+3731 |
WEI 35 |
AC |
100 |
87.6 |
26 |
Show |
|
20293+3731 |
WEI 35 |
BC |
98 |
89.3 |
26 |
Show |
|
20328+3736 |
TDT2355 |
|
57 |
2.3 |
28 |
Show |
|
20323+3726 |
SEI1156 |
|
89 |
5.9 |
30 |
Show |
|
20288+3810 |
ES 206 |
|
124 |
4.2 |
32 |
Show |
|
20288+3812 |
ES 2508 |
|
302 |
6.3 |
34 |
Show |
|
20302+3823 |
SEI1141 |
|
175 |
22.5 |
35 |
Show |
|
20340+3737 |
SEI1170 |
|
28 |
17.3 |
41 |
Show |
|
20280+3813 |
ES 2507 |
|
84 |
8.2 |
41 |
Show |
|
20331+3822 |
TDT2363 |
|
174 |
0.5 |
44 |
Show |
|
20282+3821 |
TDT2304 |
|
199 |
5.4 |
44 |
Show |
|
20317+3831 |
ES 246 |
AB |
355 |
5.1 |
44 |
Show |
|
20317+3831 |
ES 246 |
AC |
354 |
9.9 |
44 |
Show |
|
20281+3820 |
SMR 71 |
|
65 |
8.4 |
44 |
Show |
|
20300+3832 |
SMA 117 |
|
264 |
12.4 |
45 |
Show |
|
20304+3833 |
A 1430 |
|
132 |
3.4 |
45 |
Show |
|
20327+3711 |
SEI1158 |
AB |
109 |
20.9 |
45 |
Show |
|
20327+3711 |
TDT2352 |
Aa,Ab |
160 |
0.4 |
45 |
Show |
|
20314+3833 |
JNN 284 |
|
252 |
0.1 |
46 |
Show |
|
20345+3759 |
BKO 569 |
|
73 |
8.5 |
46 |
Show |
|
20344+3725 |
SEI1171 |
|
201 |
17.4 |
50 |
Show |
|
20296+3836 |
SEI1136 |
|
259 |
11.5 |
50 |
Show |
|
20350+3757 |
SEI1178 |
AB |
174 |
19.1 |
51 |
Show |
|
20350+3757 |
BKO 570 |
AC |
12 |
6.2 |
51 |
Show |
|
20352+3754 |
SEI1180 |
AB |
138 |
28.4 |
52 |
Show |
|
20352+3754 |
SEI1181 |
AC |
102 |
29.4 |
52 |
Show |
|
20352+3754 |
SEI1180 |
BC |
33 |
17.9 |
52 |
Show |
|
20352+3755 |
SEI1182 |
|
115 |
8.9 |
53 |
Show |
|
20310+3656 |
AC 18 |
AB |
158 |
2.2 |
53 |
Show |
|
20310+3656 |
KUI 98 |
AC |
76 |
16.8 |
53 |
Show |
|
20310+3656 |
AC 18 |
AD |
165 |
63.1 |
53 |
Show |
|
20276+3926 |
GUL 3 |
|
335 |
0.5 |
54 |
Show |
|
20313+3654 |
TOB 188 |
|
262 |
17.0 |
56 |
Show |
|
20355+3749 |
SEI1184 |
|
36 |
27.0 |
56 |
Show |
|
20311+3652 |
SEI1148 |
|
281 |
24.5 |
57 |
Show |
|
20351+3725 |
SEI1179 |
|
69 |
27.3 |
58 |
Show |
|
20259+3758 |
SEI1123 |
|
138 |
27.6 |
58 |
Show |
|
20263+3728 |
AG 255 |
|
287 |
5.2 |
58 |
Show |
|
20337+3835 |
A 1431 |
|
29 |
0.9 |
58 |
Show |
|
20311+3847 |
SEI1150 |
|
74 |
21.6 |
59 |
Show |
|
20357+3747 |
TOB 190 |
|
68 |
17.8 |
59 |
Show |
|
20354+3810 |
RAO 439 |
|
235 |
0.7 |
60 |
Show |
|
20257+3745 |
FOX 36 |
|
325 |
2.7 |
60 |
|
|
WDS 20308+3749 : COMPONENTS
|
A |
B |
B |
pa=35.7°
sep=9.32"
| |
C |
pa=289.5°
sep=11.67"
| pa=257.4°
sep=16.85"
|
20308+3749 A
Coord arcsec 2000 |
203045.51+374858.8 |
|
Mag |
12.25 |
|
PmRA |
3.00 |
|
PmDE |
-1.0 |
|
Ccdm |
20308+3749 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-2.17 |
|
DDEs |
1.8 |
|
R dRAs |
65 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
4 |
|
Vmag |
9.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20270N3729A |
|
HIC |
|
|
20308+3749 B
Coord arcsec 2000 |
203045.97+374906.4 |
|
Mag |
12.27 |
|
PmRA |
2.00 |
|
PmDE |
0.0 |
|
Calc delta mag |
0.02 |
|
Calc coord |
yes |
|
Ccdm |
20308+3749 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
SEI1147 |
|
DRAs |
-3.71 |
|
DDEs |
1.8 |
|
R dRAs |
65 |
|
Year |
1895 |
|
Theta |
280 |
|
Rho |
18.7 |
|
Obs |
1 |
|
Vmag |
11.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20270N3729B |
|
HIC |
|
|
20308+3749 C
Coord arcsec 2000 |
203044.58+374902.7 |
|
Mag |
12.53 |
|
PmRA |
35.00 |
|
PmDE |
10.0 |
|
Calc delta mag |
0.28 |
|
Calc coord |
yes |
|
Ccdm |
20308+3749 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
|
|
Vmag |
11.8 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20270N3729A |
|
HIC |
|
|