19409+3956 KOI 2991
19h 40m 52.20s +39° 55' 59.2" P.A. 90.00 sep 4.0 mag 13.20,19.00
| Coord 2000 |
19409+3956 |
|
Discov num |
KOI2991 |
|
Comp |
|
|
Coord arcsec 2000 |
19 40 52.20 +39 55 59.2 |
|
| Date first |
2010 |
|
Date last |
2010 |
|
Obs |
1 |
|
| Pa first |
90 |
|
Pa last |
89.8 |
|
P.A. Now (θ) |
89.8° |
|
| Sep first |
4.0 |
|
Sep last |
3.959 |
|
Sep. Now (ρ) |
3.959" |
|
| Mag pri |
13.20 |
|
Mag sec |
19.00 |
|
delta mag (ΔM) |
5.8 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
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.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2076289896455992960 |
|
