21308+3440 SEI 1522
21h 30m 49.43s +34° 39' 17.3" P.A. 180.00 sep 23.7 mag 11.08,11.34
| Coord 2000 |
21308+3440 |
|
Discov num |
SEI1522 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 49.43 +34 39 17.3 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
178 |
|
Pa last |
179.5 |
|
P.A. Now (θ) |
179.5° |
|
| Sep first |
22.8 |
|
Sep last |
23.656 |
|
Sep. Now (ρ) |
23.656" |
|
| Mag pri |
11.08 |
|
Mag sec |
11.34 |
|
delta mag (ΔM) |
0.26 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=0.704
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2712-01437-1 |
|
Gaia DR2 |
1950473193200024960 |
|
WDS 21308+3440 SEI 1522 : 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 |
| 21308+3440 |
SEI1522 |
|
1998 |
7 |
179 |
23.5 |
11.08 |
11.34 |
|
D |
213049.43+343917.3 |
| 21308+3440 |
SEI1522 |
|
2008 |
8 |
179 |
24.0 |
11.08 |
11.34 |
|
D |
213049.43+343917.3 |
| 21308+3440 |
SEI1522 |
|
2010 |
10 |
180 |
23.5 |
11.08 |
11.34 |
|
|
213049.43+343917.3 |
| 21308+3440 |
SEI1522 |
|
2015 |
11 |
180 |
23.7 |
11.08 |
11.34 |
|
|
213049.43+343917.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21308+3440 SEI 1522 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21308+3440 SEI 1522 : MEASURES
No records found.
WDS 21308+3440 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
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|
WDS 21308+3440 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
