18406+2636 COU 641 (HD 336690)
18h 40m 35.61s +26° 35' 38.8" P.A. 56.00 sep 0.6 mag 10.28,10.35 Sp A3
Coord 2000 |
18406+2636 |
|
Discov num |
COU 641 |
|
Comp |
|
|
Coord arcsec 2000 |
18 40 35.61 +26 35 38.8 |
|
Date first |
1971 |
|
Date last |
2016 |
|
Obs |
17 |
|
Pa first |
57 |
|
Pa last |
56.3 |
|
P.A. Now (θ) |
56.3° |
|
Sep first |
0.5 |
|
Sep last |
0.61 |
|
Sep. Now (ρ) |
0.61" |
|
Mag pri |
10.28 |
|
Mag sec |
10.35 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
A3 (white) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 336690 |
|
Constellation |
Lyra |
|
SAO |
86312 |
|
Tycho2 |
2115-02015-1 |
|
Gaia DR2 |
4538558157202376960 |
|
HD |
336690 |
|