20538+3723 SEI 1299 AB
20h 53m 47.34s +37° 23' 08.2" P.A. 356.00 sep 9.0 mag 9.04,11.65 Sp K0 dist. 313.48 pc (1022.57 l.y.)
Coord 2000 |
20538+3723 |
|
Discov num |
SEI1299 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 53 47.34 +37 23 08.2 |
|
Date first |
1896 |
|
Date last |
2016 |
|
Obs |
17 |
|
Pa first |
358 |
|
Pa last |
356 |
|
P.A. Now (θ) |
356° |
|
Sep first |
8.9 |
|
Sep last |
9.029 |
|
Sep. Now (ρ) |
9.029" |
|
Mag pri |
9.04 |
|
Mag sec |
11.65 |
|
delta mag (ΔM) |
2.61 |
|
Spectral class |
K0 (yellow-orange) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
-006 |
|
Notes |
N
(See Notes) |
|
rPM=0.383
Nature of this double is uncertain.
20538+3723 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 53 47 +37 23 08 |
SEI 1299 AB |
2016 |
17 |
356 |
9.0 |
9.04 |
11.65 |
2.61 |
|
<=== |
Show |
|
|
20 53 47 +37 23 08 |
SEI 1301 AC |
1896 |
1 |
290 |
26.3 |
9.04 |
11.60 |
2.56 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
HIP |
103137 |
|
Tycho2 |
2700-02302-1 |
|
Gaia DR2 |
1872377527983750912 |
|
BD |
BD+36 4305 |
|
Distance |
313.48 |
|
Distance ly |
1022.57 |
|
WDS 20538+3723 SEI 1299 AB : NOTES
discov_num |
notes |
refcode |
SEI1299 |
AB: ALI 675. |
|
SEI1301 |
AC: No star seen on Aladin at AC2000 coordinates of primary. Published |
|
|
measure corresponds to difference between nonexistent primary and real |
|
|
B component. Thus the AC measure appears to be another AB measure but |
|
|
with an error in the coordinates of the A component. |
|
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 |
20538+3723 |
SEI1299 |
AB |
2000 |
10 |
356 |
9.0 |
9.04 |
11.65 |
K0 |
N D |
205347.35+372308.2 |
20538+3723 |
SEI1299 |
AB |
2002 |
11 |
356 |
9.1 |
9.04 |
11.65 |
K0 |
N D |
205347.35+372308.2 |
20538+3723 |
SEI1299 |
AB |
2012 |
12 |
356 |
9.1 |
9.04 |
11.65 |
K0 |
N D |
205347.35+372308.2 |
20538+3723 |
SEI1299 |
AB |
2015 |
13 |
356 |
9.0 |
9.04 |
11.65 |
K0 |
N |
205347.34+372308.2 |
20538+3723 |
SEI1299 |
AB |
2016 |
17 |
356 |
9.0 |
9.04 |
11.65 |
K0 |
N |
205347.34+372308.2 |
If you need more information about this double, apply for a
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WDS 20538+3723 SEI 1299 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20538+3723 SEI 1299 AB : MEASURES
No records found.
WDS 20538+3723 : VIRTUAL EYEPIECE
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WDS 20538+3723 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.