18590+4710 KOI 21
18h 58m 57.26s +47° 10' 10.6" P.A. 57.00 sep 2.2 mag 12.00,14.40
| Coord 2000 |
18590+4710 |
|
Discov num |
KOI 21 |
|
Comp |
|
|
Coord arcsec 2000 |
18 58 57.26 +47 10 10.6 |
|
| Date first |
2010 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
60 |
|
Pa last |
57.1 |
|
P.A. Now (θ) |
57.1° |
|
| Sep first |
2.1 |
|
Sep last |
2.22 |
|
Sep. Now (ρ) |
2.22" |
|
| Mag pri |
12.00 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
|
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
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 |
Lyra |
|
Gaia DR2 |
2131405493766149120 |
|
