19218+4840 KOI 4287 AB
19h 21m 49.99s +48° 39' 40.9" P.A. 79.00 sep 0.6 mag 11.60,12.90
Coord 2000 |
19218+4840 |
|
Discov num |
KOI4287 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 21 49.99 +48 39 40.9 |
|
Date first |
2013 |
|
Date last |
2017 |
|
Obs |
12 |
|
Pa first |
78 |
|
Pa last |
78.6 |
|
P.A. Now (θ) |
78.6° |
|
Sep first |
0.6 |
|
Sep last |
0.579 |
|
Sep. Now (ρ) |
0.579" |
|
Mag pri |
11.60 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
|
|
Pri motion ra |
-015 |
|
Sec motion ra |
|
|
Pri motion dec |
-026 |
|
Sec motion dec |
|
|
Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
19218+4840 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
19 21 50 +48 39 41 |
KOI 4287 AB |
2017 |
12 |
79 |
0.6 |
11.60 |
12.90 |
1.30 |
|
<=== |
Show |
|
|
19 21 50 +48 39 41 |
KOI 4287 AC |
2014 |
1 |
271 |
4.0 |
10.00 |
16.70 |
6.70 |
|
|
Show |
|
|
19 21 50 +48 39 41 |
KOI 4287 AD |
2015 |
2 |
24 |
4.4 |
10.00 |
16.60 |
6.60 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3547-00496-1 |
|
Gaia DR2 |
2129524121993184768 |
|