20157+1453 CHE 250
20h 15m 45.81s +14° 53' 09.2" P.A. 145.00 sep 20.7 mag 10.24,13.51 Sp F0
| Coord 2000 |
20157+1453 |
|
Discov num |
CHE 250 |
|
Comp |
|
|
Coord arcsec 2000 |
20 15 45.81 +14 53 09.2 |
|
| Date first |
1910 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
147 |
|
Pa last |
144.5 |
|
P.A. Now (θ) |
144.5° |
|
| Sep first |
20.0 |
|
Sep last |
20.739 |
|
Sep. Now (ρ) |
20.739" |
|
| Mag pri |
10.24 |
|
Mag sec |
13.51 |
|
delta mag (ΔM) |
3.27 |
|
Spectral class |
F0 (yellow-white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
rPM=1.117
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1085-00639-1 |
|
Gaia DR2 |
1808212331482614528 |
|
HD |
355277 |
|
WDS 20157+1453 CHE 250 : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Che1908 |
Pa - |
Chevalier, Stanislas |
. |
| Che1908 |
|
Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b) |
|
| Che1909 |
Pa - |
Chevalier, Stanislas |
. |
| Che1909 |
|
Shanghai Obs. Zo-Se 5, 86, 1909 (corrections are described in Hrt2012b) |
|
| Che1910 |
Ma j |
Chevalier, Stanislas & Tsang Ziang-seng |
. |
| Che1910 |
+Pa |
Shanghai Obs. Zo-Se 6, O5, 1910 (corrections are described in Hrt2012b) |
|
| Che1911 |
Ma - |
Chevalier, Stanislas |
. |
| Che1911 |
+Pa |
Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b) |
|
| Che1925 |
Pa - |
Chevalier, Stanislas |
1925JO......8...65G |
| Che1925 |
|
J. Obs. 8, 65, 1925 |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 20157+1453 |
CHE 250 |
|
1998 |
2 |
145 |
20.5 |
10.24 |
13.51 |
|
D |
201545.81+145309.2 |
| 20157+1453 |
CHE 250 |
|
2008 |
3 |
144 |
20.6 |
10.24 |
13.51 |
|
D |
201545.81+145309.2 |
| 20157+1453 |
CHE 250 |
|
2010 |
6 |
145 |
20.6 |
10.24 |
13.51 |
F0 |
|
201545.81+145309.2 |
| 20157+1453 |
CHE 250 |
|
2015 |
7 |
145 |
20.7 |
10.24 |
13.51 |
F0 |
|
201545.81+145309.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20157+1453 CHE 250 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20157+1453 CHE 250 : MEASURES
No records found.
WDS 20157+1453 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 20157+1453 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
