16569+2541 LDS 986
16h 56m 46.43s +25° 41' 02.0" P.A. 266.00 sep 8.5 mag 10.72,10.83
| Coord 2000 |
16569+2541 |
|
Discov num |
LDS 986 |
|
Comp |
|
|
Coord arcsec 2000 |
16 56 46.43 +25 41 02.0 |
|
| Date first |
1897 |
|
Date last |
2018 |
|
Obs |
19 |
|
| Pa first |
267 |
|
Pa last |
265.5 |
|
P.A. Now (θ) |
265.5° |
|
| Sep first |
8.0 |
|
Sep last |
8.533 |
|
Sep. Now (ρ) |
8.533" |
|
| Mag pri |
10.72 |
|
Mag sec |
10.83 |
|
delta mag (ΔM) |
0.11 |
|
Spectral class |
|
|
| Pri motion ra |
+130 |
|
Sec motion ra |
+127 |
|
| Pri motion dec |
-173 |
|
Sec motion dec |
-175 |
|
| Notes |
N
T
(See Notes, Parallax indicates physical) |
|
rPM=0.017 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2063-00715-1 |
|
Gaia DR2 |
1306220642728857344 |
|
WDS 16569+2541 LDS 986 : NOTES
| discov_num |
notes |
refcode |
| LDS 986 |
NLTT 43869/43868 |
Chm2004 |
REFERENCES
| refcode |
metd |
author |
reference |
| Chm2004 |
E - |
Chaname, J. & Gould, A. |
2004ApJ...601..289C |
| Chm2004 |
|
ApJ 601, 289, 2004 |
|
| Chm2004 |
|
(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early |
|
| Chm2004 |
|
versions of 2MASS and UCAC, with date given only as "circa 2000". Measures |
|
| Chm2004 |
|
identical to discovery observations - predominantly close pairs - were assumed |
|
| Chm2004 |
|
not new observations, so not included in WDS. Similar concerns when primary and |
|
| Chm2004 |
|
secondary magnitudes or proper motions were the same.) |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
LDS |
Luyten p.m. catalog (from additional DD list) |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 16569+2541 |
LDS 986 |
|
2005 |
8 |
266 |
8.4 |
10.72 |
10.83 |
|
N D |
165646.43+254102.0 |
| 16569+2541 |
LDS 986 |
|
2017 |
11 |
267 |
8.5 |
10.72 |
10.83 |
|
N W |
165646.43+254102.0 |
| 16569+2541 |
LDS 986 |
|
2018 |
13 |
266 |
8.5 |
10.72 |
10.83 |
|
N W |
165646.43+254102.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 16569+2541 LDS 986 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 16569+2541 LDS 986 : MEASURES
No records found.
WDS 16569+2541 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
|
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WDS 16569+2541 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
