21154+3745 SMA 146
21h 15m 26.37s +37° 45' 08.7" P.A. 7.00 sep 4.5 mag 12.50,13.00
Coord 2000 |
21154+3745 |
|
Discov num |
SMA 146 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 26.37 +37 45 08.7 |
|
Date first |
1923 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
5 |
|
Pa last |
6.9 |
|
P.A. Now (θ) |
6.9° |
|
Sep first |
4.4 |
|
Sep last |
4.462 |
|
Sep. Now (ρ) |
4.462" |
|
Mag pri |
12.50 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
Pri motion ra |
-005 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-020 |
|
Sec motion dec |
+014 |
|
Notes |
|
|
rPM=1.694
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1964772371975177472 |
|
WDS 21154+3745 SMA 146 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Sma1931 |
Po - |
Smart, W.M., Green, H.E., & Fletcher, A. |
1931MNRAS..92...37S |
Sma1931 |
|
MNRAS 92, 37, 1931 |
|
Sma1932 |
Ma - |
Smart, W.M. & Green, H.E. |
1932MNRAS..92..207S |
Sma1932 |
+Po |
MNRAS 92, 207, 1932 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
21154+3745 |
SMA 146 |
|
1998 |
2 |
8 |
4.5 |
12.50 |
13.00 |
|
D |
211526.37+374508.7 |
21154+3745 |
SMA 146 |
|
2002 |
3 |
7 |
4.4 |
12.50 |
13.00 |
|
D |
211526.37+374508.7 |
21154+3745 |
SMA 146 |
|
2015 |
4 |
7 |
4.5 |
12.50 |
13.00 |
|
|
211526.37+374508.7 |
If you need more information about this double, apply for a
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WDS 21154+3745 SMA 146 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21154+3745 SMA 146 : MEASURES
No records found.
WDS 21154+3745 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
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WDS 21154+3745 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.