20338+4540 A 740
20h 33m 50.35s +45° 39' 41.2" P.A. 313.00 sep 0.8 mag 9.64,9.95 Sp O5V
Coord 2000 |
20338+4540 |
|
Discov num |
A 740 |
|
Comp |
|
|
Coord arcsec 2000 |
20 33 50.35 +45 39 41.2 |
|
Date first |
1904 |
|
Date last |
2016 |
|
Obs |
16 |
|
Pa first |
314 |
|
Pa last |
312.5 |
|
P.A. Now (θ) |
312.5° |
|
Sep first |
0.8 |
|
Sep last |
0.83 |
|
Sep. Now (ρ) |
0.83" |
|
Mag pri |
9.64 |
|
Mag sec |
9.95 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
O5V (blue) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3573-00385-1 |
|
Gaia DR2 |
2071169745679972096 |
|
WDS 20338+4540 A 740 : NOTES
No records found.
DISCOVERER
idgroup |
discov |
author |
1 |
A |
Aitken, R.G. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20338+4540 |
A 740 |
|
2007 |
13 |
313 |
0.9 |
9.64 |
9.95 |
O8 |
|
203350.35+453941.2 |
20338+4540 |
A 740 |
|
2009 |
14 |
314 |
0.8 |
9.64 |
9.95 |
O8 |
|
203350.35+453941.2 |
20338+4540 |
A 740 |
|
2016 |
16 |
313 |
0.8 |
9.64 |
9.95 |
O5V |
|
203350.35+453941.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20338+4540 A 740 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20338+4540 A 740 : MEASURES
No records found.
WDS 20338+4540 : 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 20338+4540 : ALADIN DSS IMAGE @ 20h 33m 50.35s +45° 39' 41.2"
WDS 20338+4540 A 740 : 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 |
|
20338+4540 |
A 740 |
|
313 |
0.8 |
0 |
Show |
|
20348+4531 |
ES 805 |
|
152 |
7.9 |
14 |
Show |
|
20343+4520 |
ES 804 |
AB |
117 |
30.8 |
20 |
Show |
|
20343+4520 |
ES 804 |
BC |
128 |
2.2 |
21 |
Show |
|
20317+4540 |
HJ 1533 |
|
187 |
10.9 |
23 |
Show |
|
20360+4555 |
STJ 103 |
|
338 |
1.3 |
28 |
Show |
|
20300+4556 |
LSC 91 |
|
19 |
0.3 |
44 |
Show |
|
20291+4544 |
BU 1135 |
|
335 |
1.5 |
50 |
Show |
|
20295+4516 |
ES 662 |
|
142 |
5.7 |
52 |
Show |
|
20376+4504 |
HJ 1555 |
|
354 |
13.8 |
54 |
Show |
|
20326+4635 |
ES 664 |
|
55 |
9.0 |
57 |
Show |
|
20329+4636 |
KRV 41 |
|
172 |
19.6 |
58 |
Show |
|
20293+4508 |
RAO 434 |
|
162 |
1.2 |
58 |
Show |
|
20394+4530 |
TDS1087 |
|
141 |
1.0 |
60 |
Show |
|
20339+4642 |
HDS2940 |
Aa,Ab |
46 |
0.3 |
62 |
Show |
|
20339+4642 |
BU 1489 |
AB |
16 |
116.5 |
62 |
Show |
|
20304+4634 |
ES 663 |
|
110 |
5.0 |
66 |
Show |
|
20325+4644 |
GII 101 |
|
289 |
0.4 |
66 |
Show |
|
20328+4646 |
POP 156 |
|
4 |
3.2 |
68 |
Show |
|
20281+4509 |
TDS1075 |
|
358 |
1.4 |
69 |
Show |
|
20322+4648 |
A 736 |
AB |
349 |
0.6 |
71 |
Show |
|
20322+4648 |
DAM 636 |
AC |
106 |
17.0 |
71 |
Show |
|
20303+4439 |
ES 1441 |
|
127 |
2.0 |
72 |
Show |
|
20349+4651 |
STTA208 |
AB |
241 |
83.5 |
72 |
Show |
|
20349+4651 |
BKO 156 |
AC |
98 |
45.9 |
72 |
Show |
|
20353+4650 |
MZA 37 |
AB |
319 |
6.1 |
72 |
Show |
|
20353+4650 |
MZA 37 |
AC |
319 |
11.1 |
72 |
Show |
|
20388+4629 |
BRT2268 |
|
320 |
3.4 |
72 |
Show |
|
20270+4539 |
HJ 1518 |
|
86 |
15.3 |
73 |
Show |
|
20282+4458 |
ES 661 |
|
156 |
6.9 |
73 |
Show |
|
20277+4507 |
ROE 43 |
AB |
317 |
17.4 |
73 |
Show |
|
20277+4507 |
ROE 43 |
AC |
312 |
52.6 |
73 |
Show |
|
20277+4507 |
ROE 43 |
AD |
271 |
42.4 |
73 |
Show |
|
20277+4507 |
ROE 43 |
AE |
282 |
82.9 |
73 |
Show |
|
20277+4507 |
ROE 43 |
AF |
336 |
87.1 |
73 |
Show |
|
20277+4507 |
ROE 43 |
AG |
282 |
102.4 |
73 |
Show |
|
20277+4507 |
BKO 154 |
AH |
224 |
18.4 |
73 |
Show |
|
20277+4507 |
BKO 154 |
AI |
63 |
24.2 |
73 |
Show |
|
20277+4507 |
BKO 154 |
CJ |
331 |
17.9 |
73 |
Show |
|
20352+4651 |
MZA 30 |
AB |
140 |
22.5 |
73 |
Show |
|
20352+4651 |
MZA 30 |
AC |
115 |
14.2 |
73 |
Show |
|
20352+4651 |
MZA 30 |
AD |
132 |
23.8 |
73 |
Show |
|
20352+4651 |
MZA 30 |
AE |
123 |
17.4 |
73 |
Show |
|
20352+4651 |
MZA 30 |
AF |
106 |
12.3 |
73 |
Show |
|
20277+4507 |
BKO 154 |
EK |
109 |
4.7 |
74 |
Show |
|
20305+4434 |
ES 1442 |
|
265 |
2.7 |
75 |
Show |
|
20295+4437 |
TDT2320 |
|
223 |
0.7 |
78 |
Show |
|
20269+4611 |
BRT2263 |
|
34 |
4.1 |
79 |
Show |
|
20386+4438 |
ES 667 |
|
185 |
9.8 |
80 |
Show |
|
20264+4520 |
KPP 472 |
|
88 |
4.6 |
81 |
Show |
|
20328+4418 |
COU2645 |
|
290 |
0.1 |
83 |
|
|
WDS 20338+4540 : COMPONENTS
20338+4540 A
Coord arcsec 2000 |
203350.35+453941.2 |
|
Mag |
9.64 |
|
Spectral class |
O5V (blue) |
|
PmRA |
0.00 |
|
PmDE |
-7.0 |
|
Tycho2 |
3573-00385-1 |
|
Tycho2 |
3573-00385-1 |
|
Pflag |
P |
|
RAmdeg |
308.45977204 |
|
DEmdeg |
45.66143118 |
|
PmRA |
-0.3 |
|
PmDE |
-6.8 |
|
E RAmdeg |
17 |
|
E DEmdeg |
15 |
|
E pmRA |
1.3 |
|
E pmDE |
1.2 |
|
EpRAm |
1989.69 |
|
EpDEm |
1989.98 |
|
Num |
6 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
0.9 |
|
Q pmRA |
1.0 |
|
Q pmDE |
0.8 |
|
BTmag |
10.028 |
|
E BTmag |
0.027 |
|
VTmag |
9.644 |
|
E VTmag |
0.026 |
|
Prox |
8 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
308.45986083 |
|
DEdeg |
45.66139083 |
|
EpRA 1990 |
1.68 |
|
EpDE 1990 |
1.81 |
|
E RAdeg |
16.8 |
|
E DEdeg |
15.1 |
|
Posflg |
D |
|
Corr |
0.1 |
|
Ccdm |
20338+4540 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
2.31 |
|
DDEs |
-18.4 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
9.4 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
-10 |
|
PmDE |
6 |
|
Dm number |
+45 3216 |
|
Cat1 |
BD |
|
Name2 |
+45 1716 |
|
Cat2 |
AGK2/3 |
|
HD |
|
|
M HD |
|
|
ADS BDS |
A14018 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20306N4519A |
|
HIC |
|
|
20338+4540 B
Coord arcsec 2000 |
203350.31+453941.8 |
|
Mag |
9.95 |
|
PmRA |
0.00 |
|
PmDE |
-7.0 |
|
Tycho2 |
3573-00385-2 |
|
Calc delta mag |
0.31 |
|
Calc coord |
yes |
|
Tycho2 |
3573-00385-2 |
|
Pflag |
P |
|
RAmdeg |
308.45977204 |
|
DEmdeg |
45.66143118 |
|
PmRA |
-0.3 |
|
PmDE |
-6.8 |
|
E RAmdeg |
17 |
|
E DEmdeg |
15 |
|
E pmRA |
1.3 |
|
E pmDE |
1.2 |
|
EpRAm |
1989.69 |
|
EpDEm |
1989.98 |
|
Num |
6 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
0.9 |
|
Q pmRA |
1.0 |
|
Q pmDE |
0.8 |
|
BTmag |
10.377 |
|
E BTmag |
0.034 |
|
VTmag |
9.947 |
|
E VTmag |
0.032 |
|
Prox |
8 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
308.45961861 |
|
DEdeg |
45.66154500 |
|
EpRA 1990 |
1.68 |
|
EpDE 1990 |
1.81 |
|
E RAdeg |
21.9 |
|
E DEdeg |
19.7 |
|
Posflg |
D |
|
Corr |
0.1 |
|
Ccdm |
20338+4540 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
A 740 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1904 |
|
Theta |
314 |
|
Rho |
0.8 |
|
Obs |
6 |
|
Vmag |
10.1 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A14018 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20306N4519B |
|
HIC |
|
|