20478+3840 SEI 1251
20h 47m 47.55s +38° 39' 33.1" P.A. 42.00 sep 15.2 mag 11.41,12.90
Coord 2000 |
20478+3840 |
|
Discov num |
SEI1251 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 47.55 +38 39 33.1 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
37 |
|
Pa last |
41.8 |
|
P.A. Now (θ) |
41.8° |
|
Sep first |
14.5 |
|
Sep last |
15.157 |
|
Sep. Now (ρ) |
15.157" |
|
Mag pri |
11.41 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
1.49 |
|
Spectral class |
|
|
Pri motion ra |
-013 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
-011 |
|
Notes |
|
|
rPM=0.85
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3166-01562-1 |
|
Gaia DR2 |
2063401318072089344 |
|
WDS 20478+3840 SEI 1251 : 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 |
20478+3840 |
SEI1251 |
|
1928 |
2 |
40 |
14.0 |
11.41 |
12.90 |
|
|
204747.55+383933.1 |
20478+3840 |
SEI1251 |
|
1998 |
3 |
42 |
15.0 |
11.41 |
12.90 |
|
|
204747.55+383933.1 |
20478+3840 |
SEI1251 |
|
2002 |
4 |
42 |
15.1 |
11.41 |
12.90 |
|
|
204747.55+383933.1 |
20478+3840 |
SEI1251 |
|
2010 |
5 |
41 |
14.8 |
11.41 |
12.90 |
|
|
204747.55+383933.1 |
20478+3840 |
SEI1251 |
|
2015 |
6 |
42 |
15.2 |
11.41 |
12.90 |
|
|
204747.55+383933.1 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20478+3840 SEI 1251 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20478+3840 SEI 1251 : MEASURES
No records found.
WDS 20478+3840 : 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 20478+3840 : ALADIN DSS IMAGE @ 20h 47m 47.55s +38° 39' 33.1"
WDS 20478+3840 SEI 1251 : 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 |
|
20478+3840 |
SEI1251 |
|
42 |
15.2 |
|
Show |
|
20476+3839 |
SEI1249 |
|
69 |
27.8 |
3 |
Show |
|
20471+3850 |
HJ 1575 |
|
51 |
14.9 |
15 |
Show |
|
20470+3828 |
ES 2054 |
|
192 |
2.7 |
16 |
Show |
|
20498+3833 |
HJ 1582 |
AB |
45 |
17.4 |
25 |
Show |
|
20498+3833 |
HJ 1582 |
AC |
327 |
28.7 |
25 |
Show |
|
20459+3852 |
COU2294 |
|
125 |
0.9 |
26 |
Show |
|
20461+3824 |
ALI 949 |
|
313 |
11.9 |
26 |
Show |
|
20461+3858 |
CRB 11 |
|
272 |
10.8 |
27 |
Show |
|
20476+3812 |
SEI1250 |
|
18 |
17.3 |
28 |
Show |
|
20498+3900 |
MLB 983 |
|
191 |
3.8 |
32 |
Show |
|
20453+3854 |
SEI1239 |
|
40 |
26.8 |
33 |
Show |
|
20449+3839 |
ALI 951 |
|
49 |
11.1 |
34 |
Show |
|
20450+3827 |
ALI 947 |
|
69 |
6.9 |
35 |
Show |
|
20470+3806 |
TDT2534 |
|
138 |
0.6 |
35 |
Show |
|
20480+3917 |
A 1434 |
AB |
178 |
0.0 |
38 |
Show |
|
20480+3917 |
A 1434 |
AB,C |
256 |
2.5 |
38 |
Show |
|
20509+3855 |
SEI1278 |
|
135 |
25.5 |
40 |
Show |
|
20511+3837 |
SEI1281 |
|
102 |
8.6 |
40 |
Show |
|
20489+3919 |
TDT2558 |
|
191 |
1.1 |
42 |
Show |
|
20449+3908 |
SEI1236 |
|
318 |
27.4 |
44 |
Show |
|
20440+3839 |
COU2292 |
|
240 |
0.3 |
45 |
Show |
|
20457+3917 |
SEI1241 |
|
309 |
7.1 |
45 |
Show |
|
20440+3838 |
TDT2506 |
|
23 |
2.9 |
45 |
Show |
|
20507+3807 |
SEI1275 |
|
196 |
22.2 |
47 |
Show |
|
20493+3923 |
SEI1263 |
AB |
98 |
23.6 |
48 |
Show |
|
20493+3923 |
ALI 952 |
BC |
50 |
4.9 |
48 |
Show |
|
20493+3923 |
DAM 26 |
BD |
53 |
9.5 |
48 |
Show |
|
20490+3925 |
TDT2560 |
|
38 |
1.1 |
48 |
Show |
|
20488+3754 |
TDT2557 |
|
237 |
0.7 |
48 |
Show |
|
20436+3834 |
BRT2232 |
|
269 |
5.8 |
51 |
Show |
|
20510+3915 |
SEI1279 |
BC |
189 |
7.3 |
52 |
Show |
|
20510+3915 |
SEI1279 |
AB |
147 |
12.9 |
52 |
Show |
|
20433+3847 |
GRV 371 |
|
180 |
65.5 |
53 |
Show |
|
20518+3820 |
ES 2123 |
AB |
102 |
5.2 |
54 |
Show |
|
20518+3820 |
ES 2123 |
AC |
327 |
37.4 |
54 |
Show |
|
20464+3747 |
SEI1244 |
|
149 |
22.5 |
56 |
Show |
|
20445+3921 |
HJ 1572 |
|
280 |
15.6 |
57 |
Show |
|
20519+3911 |
SEI1283 |
|
1 |
22.8 |
57 |
Show |
|
20430+3850 |
ES 2053 |
|
223 |
4.5 |
58 |
Show |
|
20435+3919 |
SEI1229 |
|
156 |
19.6 |
63 |
Show |
|
20530+3851 |
ALI 954 |
|
61 |
8.9 |
63 |
Show |
|
20514+3927 |
TDT2581 |
|
146 |
0.8 |
63 |
Show |
|
20441+3927 |
ES 1981 |
|
310 |
4.5 |
65 |
Show |
|
20478+3944 |
GRV 381 |
|
340 |
35.8 |
66 |
Show |
|
20521+3758 |
RAO 442 |
|
81 |
2.6 |
66 |
Show |
|
20438+3928 |
SEI1230 |
|
124 |
25.3 |
67 |
Show |
|
20525+3759 |
ES 2516 |
|
216 |
6.3 |
68 |
Show |
|
20506+3740 |
SKF1925 |
|
170 |
13.8 |
69 |
Show |
|
20420+3827 |
AG 263 |
|
70 |
1.6 |
69 |
Show |
|
20490+3947 |
STF2731 |
AB |
86 |
4.1 |
70 |
|
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WDS 20478+3840 : COMPONENTS
20478+3840 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204747.55+383933.1 |
|
Mag |
11.41 |
|
PmRA |
-13.00 |
|
PmDE |
-12.0 |
|
Tycho2 |
3166-01562-1 |
|
Tycho2 |
3166-01562-1 |
|
Pflag |
|
|
RAmdeg |
311.94816153 |
|
DEmdeg |
38.65919610 |
|
PmRA |
-11.6 |
|
PmDE |
-8.2 |
|
E RAmdeg |
49 |
|
E DEmdeg |
44 |
|
E pmRA |
2.3 |
|
E pmDE |
2.2 |
|
EpRAm |
1985.72 |
|
EpDEm |
1986.29 |
|
Num |
4 |
|
Q RAmdeg |
0.9 |
|
Q DEmdeg |
1.8 |
|
Q pmRA |
0.9 |
|
Q pmDE |
1.8 |
|
BTmag |
11.842 |
|
E BTmag |
0.073 |
|
VTmag |
11.415 |
|
E VTmag |
0.083 |
|
Prox |
999 |
|
TYC |
|
|
HIP |
|
|
CCDM |
|
|
RAdeg |
311.94819500 |
|
DEdeg |
38.65921333 |
|
EpRA 1990 |
1.65 |
|
EpDE 1990 |
1.74 |
|
E RAdeg |
50.8 |
|
E DEdeg |
45.7 |
|
Posflg |
|
|
Corr |
0.1 |
|
20478+3840 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204748.22+383944.4 |
|
Mag |
12.9 |
|
PmRA |
2.00 |
|
PmDE |
-11.0 |
|
Calc delta mag |
1.49 |
|
Calc coord |
yes |
|