18231+4439 COU 1927
18h 23m 06.99s +44° 39' 19.7" P.A. 27.00 sep 1.1 mag 10.52,12.48
Coord 2000 |
18231+4439 |
|
Discov num |
COU1927 |
|
Comp |
|
|
Coord arcsec 2000 |
18 23 06.99 +44 39 19.7 |
|
Date first |
1981 |
|
Date last |
2010 |
|
Obs |
6 |
|
Pa first |
28 |
|
Pa last |
26.6 |
|
P.A. Now (θ) |
26.6° |
|
Sep first |
1.0 |
|
Sep last |
1.088 |
|
Sep. Now (ρ) |
1.088" |
|
Mag pri |
10.52 |
|
Mag sec |
12.48 |
|
delta mag (ΔM) |
1.96 |
|
Spectral class |
|
|
Pri motion ra |
-013 |
|
Sec motion ra |
-013 |
|
Pri motion dec |
+030 |
|
Sec motion dec |
+030 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
3116-00545-1 |
|
Gaia DR2 |
2115156704768501632 |
|