19589+4402 KOI 6987 AB
19h 58m 51.37s +44° 02' 13.8" P.A. 59.00 sep 2.8 mag 12.40,15.50
| Coord 2000 |
19589+4402 |
|
Discov num |
KOI6987 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 58 51.37 +44 02 13.8 |
|
| Date first |
2010 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
59 |
|
Pa last |
58.9 |
|
P.A. Now (θ) |
58.9° |
|
| Sep first |
2.9 |
|
Sep last |
2.819 |
|
Sep. Now (ρ) |
2.819" |
|
| Mag pri |
12.40 |
|
Mag sec |
15.50 |
|
delta mag (ΔM) |
3.1 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
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.
19589+4402 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 58 51 +44 02 14 |
KOI 6987 AB |
2015 |
2 |
59 |
2.8 |
12.40 |
15.50 |
3.10 |
|
<=== |
| Show |
|
|
19 58 51 +44 02 14 |
KOI 6987 AC |
2010 |
1 |
316 |
3.0 |
12.40 |
18.70 |
6.30 |
|
|
| Show |
|
|
19 58 51 +44 02 14 |
KOI 6987 AD |
2010 |
1 |
358 |
3.9 |
12.40 |
17.80 |
5.40 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2076106930846104832 |
|
