21505+1953 LDS 4916
21h 50m 25.65s +19° 53' 11.7" P.A. 298.00 sep 198.7 mag 17.90,18.20 Sp DA
Coord 2000 |
21505+1953 |
|
Discov num |
LDS4916 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 25.65 +19 53 11.7 |
|
Date first |
1960 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
311 |
|
Pa last |
298.4 |
|
P.A. Now (θ) |
298.4° |
|
Sep first |
141.0 |
|
Sep last |
198.688 |
|
Sep. Now (ρ) |
198.688" |
|
Mag pri |
17.90 |
|
Mag sec |
18.20 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
DA (white dwarf) |
|
Pri motion ra |
+138 |
|
Sec motion ra |
+112 |
|
Pri motion dec |
-024 |
|
Sec motion dec |
-011 |
|
Notes |
|
|
rPM=0.208 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
Gaia DR2 |
1780497934010525312 |
|
WDS 21505+1953 LDS 4916 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
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 |
21505+1953 |
LDS4916 |
|
1960 |
1 |
311 |
141.0 |
17.90 |
18.20 |
|
|
215025.65+195311.7 |
21505+1953 |
LDS4916 |
|
2000 |
2 |
298 |
198.2 |
17.90 |
18.20 |
DA |
|
215025.65+195311.7 |
21505+1953 |
LDS4916 |
|
2015 |
3 |
298 |
198.7 |
17.90 |
18.20 |
DA |
|
215025.65+195311.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21505+1953 LDS 4916 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21505+1953 LDS 4916 : MEASURES
No records found.
WDS 21505+1953 : VIRTUAL EYEPIECE
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WDS 21505+1953 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.