18310+4055 MMA 19
18h 31m 02.91s +40° 54' 53.9" P.A. 202.00 sep 11.4 mag 15.80,15.90
Coord 2000 |
18310+4055 |
|
Discov num |
MMA 19 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 02.91 +40 54 53.9 |
|
Date first |
1955 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
200 |
|
Pa last |
201.7 |
|
P.A. Now (θ) |
201.7° |
|
Sep first |
11.8 |
|
Sep last |
11.365 |
|
Sep. Now (ρ) |
11.365" |
|
Mag pri |
15.80 |
|
Mag sec |
15.90 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
+005 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
+013 |
|
Notes |
|
|
rPM=1.117
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Gaia DR2 |
2110357302157475328 |
|