18543+4444 DEA 164
18h 54m 18.54s +44° 44' 13.4" P.A. 221.00 sep 8.2 mag 15.80,18.50
Coord 2000 |
18543+4444 |
|
Discov num |
DEA 164 |
|
Comp |
|
|
Coord arcsec 2000 |
18 54 18.54 +44 44 13.4 |
|
Date first |
1998 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
221 |
|
Pa last |
221 |
|
P.A. Now (θ) |
221° |
|
Sep first |
8.1 |
|
Sep last |
8.175 |
|
Sep. Now (ρ) |
8.175" |
|
Mag pri |
15.80 |
|
Mag sec |
18.50 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
|
|
Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-011 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.16 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Gaia DR2 |
2106695168223878656 |
|