21138+4228 LDS 2497
21h 13m 39.29s +42° 27' 37.7" P.A. 110.00 sep 36.7 mag 13.13,15.95
| Coord 2000 |
21138+4228 |
|
Discov num |
LDS2497 |
|
Comp |
|
|
Coord arcsec 2000 |
21 13 39.29 +42 27 37.7 |
|
| Date first |
1954 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
110 |
|
Pa last |
110.4 |
|
P.A. Now (θ) |
110.4° |
|
| Sep first |
36.0 |
|
Sep last |
36.719 |
|
Sep. Now (ρ) |
36.719" |
|
| Mag pri |
13.13 |
|
Mag sec |
15.95 |
|
delta mag (ΔM) |
2.82 |
|
Spectral class |
|
|
| Pri motion ra |
+016 |
|
Sec motion ra |
+049 |
|
| Pri motion dec |
+021 |
|
Sec motion dec |
+016 |
|
| Notes |
|
|
rPM=0.648
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1969806043594048768 |
|
