19218+4840 KOI 4287 AD
19h 21m 49.99s +48° 39' 40.9" P.A. 24.00 sep 4.4 mag 10.00,16.60
| Coord 2000 |
19218+4840 |
|
Discov num |
KOI4287 |
|
Comp |
AD |
|
Coord arcsec 2000 |
19 21 49.99 +48 39 40.9 |
|
| Date first |
2014 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
25 |
|
Pa last |
23.9 |
|
P.A. Now (θ) |
23.9° |
|
| Sep first |
4.4 |
|
Sep last |
4.434 |
|
Sep. Now (ρ) |
4.434" |
|
| Mag pri |
10.00 |
|
Mag sec |
16.60 |
|
delta mag (ΔM) |
6.6 |
|
Spectral class |
|
|
| Pri motion ra |
-015 |
|
Sec motion ra |
|
|
| Pri motion dec |
-026 |
|
Sec motion dec |
|
|
| Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
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 |
|
