20471+3545 SEI 1247
20h 47m 10.14s +35° 45' 20.2" P.A. 78.00 sep 25.6 mag 12.03,12.16
| Coord 2000 |
20471+3545 |
|
Discov num |
SEI1247 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 10.14 +35 45 20.2 |
|
| Date first |
1896 |
|
Date last |
2014 |
|
Obs |
10 |
|
| Pa first |
77 |
|
Pa last |
77.6 |
|
P.A. Now (θ) |
77.6° |
|
| Sep first |
25.1 |
|
Sep last |
25.603 |
|
Sep. Now (ρ) |
25.603" |
|
| Mag pri |
12.03 |
|
Mag sec |
12.16 |
|
delta mag (ΔM) |
0.13 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.667
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2699-03268-1 |
|
Gaia DR2 |
1870323258004371584 |
|
WDS 20471+3545 SEI 1247 : 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 |
| 20471+3545 |
SEI1247 |
|
1999 |
5 |
78 |
25.6 |
12.52 |
12.84 |
|
D |
204710.14+354520.2 |
| 20471+3545 |
SEI1247 |
|
2002 |
6 |
78 |
25.6 |
12.52 |
12.84 |
|
D |
204710.14+354520.2 |
| 20471+3545 |
SEI1247 |
|
2010 |
7 |
78 |
25.5 |
12.03 |
12.16 |
|
|
204710.14+354520.2 |
| 20471+3545 |
SEI1247 |
|
2014 |
10 |
78 |
25.6 |
12.03 |
12.16 |
|
|
204710.14+354520.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20471+3545 SEI 1247 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20471+3545 SEI 1247 : MEASURES
No records found.
WDS 20471+3545 : VIRTUAL EYEPIECE
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WDS 20471+3545 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
