21153+2848 MLB 488
21h 15m 27.18s +28° 48' 14.7" P.A. 306.00 sep 11.4 mag 10.59,13.40
Coord 2000 |
21153+2848 |
|
Discov num |
MLB 488 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 27.18 +28 48 14.7 |
|
Date first |
1926 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
316 |
|
Pa last |
305.7 |
|
P.A. Now (θ) |
305.7° |
|
Sep first |
8.6 |
|
Sep last |
11.352 |
|
Sep. Now (ρ) |
11.352" |
|
Mag pri |
10.59 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
2.81 |
|
Spectral class |
|
|
Pri motion ra |
+022 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
rPM=1.318
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2198-01044-1 |
|
Gaia DR2 |
1851186876592780544 |
|