21307+4435 ES 1336
21h 30m 43.89s +44° 36' 01.0" P.A. 346.00 sep 4.8 mag 10.46,15.00
Coord 2000 |
21307+4435 |
|
Discov num |
ES 1336 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 43.89 +44 36 01.0 |
|
Date first |
1914 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
340 |
|
Pa last |
345.8 |
|
P.A. Now (θ) |
345.8° |
|
Sep first |
3.7 |
|
Sep last |
4.802 |
|
Sep. Now (ρ) |
4.802" |
|
Mag pri |
10.46 |
|
Mag sec |
15.00 |
|
delta mag (ΔM) |
4.54 |
|
Spectral class |
|
|
Pri motion ra |
+001 |
|
Sec motion ra |
|
|
Pri motion dec |
-021 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3195-00791-1 |
|
Gaia DR2 |
1971005645144540544 |
|