20191+3645 BU 1206 AB (HD 193487)
20h 19m 07.08s +36° 45' 07.6" P.A. 355.00 sep 2.2 mag 7.53,10.70 Sp F4III
| Coord 2000 |
20191+3645 |
|
Discov num |
BU 1206 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 19 07.08 +36 45 07.6 |
|
| Date first |
1890 |
|
Date last |
2016 |
|
Obs |
17 |
|
| Pa first |
2 |
|
Pa last |
354.8 |
|
P.A. Now (θ) |
354.8° |
|
| Sep first |
2.1 |
|
Sep last |
2.228 |
|
Sep. Now (ρ) |
2.228" |
|
| Mag pri |
7.53 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
3.17 |
|
Spectral class |
F4III (yellow-white) |
|
| Pri motion ra |
-013 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 193487 |
|
Constellation |
Cygnus |
|
Tycho2 |
2684-01297-1 |
|
HD |
193487 |
|
