20120+3454 SEI 987
20h 12m 01.45s +34° 54' 05.1" P.A. 336.00 sep 23.2 mag 11.40,12.26 Sp A2
Coord 2000 |
20120+3454 |
|
Discov num |
SEI 987 |
|
Comp |
|
|
Coord arcsec 2000 |
20 12 01.45 +34 54 05.1 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
336 |
|
Pa last |
336.1 |
|
P.A. Now (θ) |
336.1° |
|
Sep first |
23.7 |
|
Sep last |
23.235 |
|
Sep. Now (ρ) |
23.235" |
|
Mag pri |
11.40 |
|
Mag sec |
12.26 |
|
delta mag (ΔM) |
0.86 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.447
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2679-02013-1 |
|
Gaia DR2 |
2055751912613118208 |
|
WDS 20120+3454 SEI 987 : 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 |
20120+3454 |
SEI 987 |
|
1998 |
4 |
336 |
23.3 |
11.40 |
12.40 |
|
D |
201201.45+345405.1 |
20120+3454 |
SEI 987 |
|
2002 |
5 |
336 |
23.3 |
11.40 |
12.40 |
|
D |
201201.45+345405.1 |
20120+3454 |
SEI 987 |
|
2011 |
6 |
336 |
23.2 |
11.40 |
12.40 |
|
D |
201201.45+345405.1 |
20120+3454 |
SEI 987 |
|
2015 |
8 |
336 |
23.2 |
11.40 |
12.26 |
A2 |
|
201201.45+345405.1 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20120+3454 SEI 987 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20120+3454 SEI 987 : MEASURES
No records found.
WDS 20120+3454 : 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 20120+3454 : ALADIN DSS IMAGE @ 20h 12m 01.45s +34° 54' 05.1"
WDS 20120+3454 SEI 987 : 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 |
|
20120+3454 |
SEI 987 |
|
336 |
23.2 |
|
Show |
|
20123+3451 |
AG 249 |
CD |
352 |
6.3 |
5 |
Show |
|
20123+3451 |
AG 249 |
AB |
133 |
32.9 |
5 |
Show |
|
20123+3451 |
AG 249 |
AC |
30 |
13.0 |
5 |
Show |
|
20117+3458 |
SEI 977 |
|
39 |
15.2 |
6 |
Show |
|
20124+3455 |
ABT9004 |
|
5 |
27.9 |
6 |
Show |
|
20127+3456 |
TDT2090 |
|
256 |
0.5 |
9 |
Show |
|
20130+3450 |
SEI1012 |
|
49 |
14.6 |
14 |
Show |
|
20119+3510 |
SEI 988 |
|
3 |
3.8 |
16 |
Show |
|
20106+3452 |
A 281 |
AB |
172 |
4.2 |
18 |
Show |
|
20106+3452 |
ARN 96 |
AC |
314 |
63.6 |
18 |
Show |
|
20133+3502 |
ARY 23 |
AB |
28 |
81.6 |
18 |
Show |
|
20128+3439 |
TDT2091 |
|
24 |
1.0 |
18 |
Show |
|
20120+3436 |
HO 120 |
AB |
111 |
1.2 |
19 |
Show |
|
20120+3436 |
HO 120 |
AC |
200 |
24.2 |
19 |
Show |
|
20133+3502 |
SKF2392 |
BD |
346 |
14.0 |
19 |
Show |
|
20133+3502 |
ARY 23 |
BC |
339 |
65.0 |
19 |
Show |
|
20117+3431 |
CRB 133 |
|
113 |
10.7 |
24 |
Show |
|
20129+3432 |
TDT2093 |
|
20 |
0.4 |
26 |
Show |
|
20120+3429 |
A 282 |
AB |
207 |
0.3 |
26 |
Show |
|
20120+3429 |
HO 121 |
AB,C |
12 |
24.5 |
26 |
Show |
|
20120+3429 |
HO 121 |
AB,D |
11 |
42.0 |
26 |
Show |
|
20103+3511 |
SEI 941 |
|
156 |
27.5 |
27 |
Show |
|
20139+3439 |
SEI1027 |
|
10 |
28.7 |
28 |
Show |
|
20129+3429 |
AG 250 |
|
53 |
8.9 |
28 |
Show |
|
20144+3501 |
COU2216 |
|
207 |
0.6 |
30 |
Show |
|
20099+3509 |
BKO 99 |
|
67 |
7.3 |
31 |
Show |
|
20096+3459 |
SEI 929 |
|
31 |
20.9 |
31 |
Show |
|
20097+3510 |
SEI 937 |
|
67 |
25.3 |
33 |
Show |
|
20096+3506 |
TOB 173 |
|
186 |
15.6 |
33 |
Show |
|
20113+3527 |
SEI 966 |
|
246 |
26.0 |
34 |
Show |
|
20116+3420 |
TDT2069 |
|
317 |
0.5 |
35 |
Show |
|
20135+3526 |
COU2214 |
AB |
31 |
1.1 |
37 |
Show |
|
20135+3526 |
COU2214 |
AC |
263 |
3.4 |
37 |
Show |
|
20150+3500 |
ES 205 |
|
198 |
7.1 |
38 |
Show |
|
20089+3450 |
SEI 918 |
|
343 |
14.6 |
38 |
Show |
|
20107+3529 |
RAO 427 |
|
126 |
0.5 |
38 |
Show |
|
20095+3431 |
TOB 172 |
|
108 |
8.5 |
39 |
Show |
|
20096+3519 |
COU2128 |
|
243 |
2.1 |
39 |
Show |
|
20114+3532 |
TDT2064 |
|
329 |
0.6 |
39 |
Show |
|
20142+3522 |
ES 204 |
|
281 |
15.1 |
39 |
Show |
|
20130+3416 |
LDS1035 |
|
193 |
17.3 |
39 |
Show |
|
20144+3524 |
ES 244 |
AB |
130 |
41.2 |
43 |
Show |
|
20086+3446 |
TDT2016 |
|
166 |
0.5 |
43 |
Show |
|
20144+3524 |
ES 244 |
BC |
17 |
4.9 |
43 |
Show |
|
20144+3524 |
ES 244 |
CD |
304 |
4.1 |
43 |
Show |
|
20090+3516 |
SEI 919 |
|
118 |
5.5 |
43 |
Show |
|
20146+3522 |
SEI1040 |
|
49 |
4.4 |
43 |
Show |
|
20092+3520 |
ALI 184 |
|
228 |
13.2 |
43 |
Show |
|
20095+3525 |
TDT2034 |
|
120 |
0.3 |
44 |
Show |
|
20131+3411 |
STTA203 |
|
37 |
88.4 |
45 |
|
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WDS 20120+3454 : COMPONENTS
20120+3454 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
201201.45+345405.1 |
|
Mag |
11.4 |
|
Spectral class |
A2 (white) |
|
PmRA |
0.00 |
|
PmDE |
-2.0 |
|
Tycho2 |
2679-02013-1 |
|
Tycho2 |
2679-02013-1 |
|
Pflag |
|
|
RAmdeg |
303.00608692 |
|
DEmdeg |
34.90143079 |
|
PmRA |
6.3 |
|
PmDE |
3.2 |
|
E RAmdeg |
52 |
|
E DEmdeg |
51 |
|
E pmRA |
2.4 |
|
E pmDE |
2.4 |
|
EpRAm |
1985.17 |
|
EpDEm |
1985.89 |
|
Num |
4 |
|
Q RAmdeg |
0.5 |
|
Q DEmdeg |
0.1 |
|
Q pmRA |
0.5 |
|
Q pmDE |
0.1 |
|
BTmag |
11.691 |
|
E BTmag |
0.075 |
|
VTmag |
11.397 |
|
E VTmag |
0.097 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
303.00606778 |
|
DEdeg |
34.90142361 |
|
EpRA 1990 |
1.61 |
|
EpDE 1990 |
1.70 |
|
E RAdeg |
54.4 |
|
E DEdeg |
53.4 |
|
Posflg |
|
|
Corr |
0.0 |
|
Ccdm |
20120+3454 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
1.47 |
|
DDEs |
5.1 |
|
R dRAs |
65 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
10.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
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|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20082N3436A |
|
HIC |
|
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20120+3454 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
201200.82+345426.3 |
|
Mag |
12.26 |
|
PmRA |
1.00 |
|
PmDE |
-2.0 |
|
Calc delta mag |
0.86 |
|
Calc coord |
yes |
|
Ccdm |
20120+3454 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
SEI 987 |
|
DRAs |
0.71 |
|
DDEs |
26.2 |
|
R dRAs |
65 |
|
Year |
1896 |
|
Theta |
336 |
|
Rho |
23.6 |
|
Obs |
1 |
|
Vmag |
11.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
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|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20082N3436B |
|
HIC |
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|