19564+3750 A 1408 (HD 188991)
19h 56m 24.77s +37° 49' 56.7" P.A. 183.00 sep 1.5 mag 9.33,12.30 Sp A
Coord 2000 |
19564+3750 |
|
Discov num |
A 1408 |
|
Comp |
|
|
Coord arcsec 2000 |
19 56 24.77 +37 49 56.7 |
|
Date first |
1906 |
|
Date last |
2017 |
|
Obs |
7 |
|
Pa first |
183 |
|
Pa last |
182.6 |
|
P.A. Now (θ) |
182.6° |
|
Sep first |
1.5 |
|
Sep last |
1.46 |
|
Sep. Now (ρ) |
1.46" |
|
Mag pri |
9.33 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
2.97 |
|
Spectral class |
A (white) |
|
Pri motion ra |
+008 |
|
Sec motion ra |
|
|
Pri motion dec |
-015 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 188991 |
|
Constellation |
Cygnus |
|
Tycho2 |
3137-00491-1 |
|
Gaia DR2 |
2072297187477533952 |
|
HD |
188991 |
|
ADS |
13151 |
|