19517+4521 KOI 1993 AB
19h 51m 40.47s +45° 20' 49.4" P.A. 290.00 sep 3.0 mag 12.90,17.60
| Coord 2000 |
19517+4521 |
|
Discov num |
KOI1993 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 51 40.47 +45 20 49.4 |
|
| Date first |
2010 |
|
Date last |
2010 |
|
Obs |
1 |
|
| Pa first |
290 |
|
Pa last |
289.8 |
|
P.A. Now (θ) |
289.8° |
|
| Sep first |
3.0 |
|
Sep last |
2.955 |
|
Sep. Now (ρ) |
2.955" |
|
| Mag pri |
12.90 |
|
Mag sec |
17.60 |
|
delta mag (ΔM) |
4.7 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
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.
19517+4521 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 51 40 +45 20 49 |
KOI 1993 AB |
2010 |
1 |
290 |
3.0 |
12.90 |
17.60 |
4.70 |
|
<=== |
| Show |
|
|
19 51 40 +45 20 49 |
KOI 1993 AC |
2010 |
1 |
14 |
3.5 |
12.90 |
18.20 |
5.30 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2079372411658905856 |
|
