18197+4654 TDS 916
18h 19m 40.59s +46° 54' 24.4" P.A. 201.00 sep 0.9 mag 10.86,11.42
Coord 2000 |
18197+4654 |
|
Discov num |
TDS 916 |
|
Comp |
|
|
Coord arcsec 2000 |
18 19 40.59 +46 54 24.4 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
5 |
|
Pa first |
195 |
|
Pa last |
200.8 |
|
P.A. Now (θ) |
200.8° |
|
Sep first |
0.9 |
|
Sep last |
0.857 |
|
Sep. Now (ρ) |
0.857" |
|
Mag pri |
10.86 |
|
Mag sec |
11.42 |
|
delta mag (ΔM) |
0.56 |
|
Spectral class |
|
|
Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-019 |
|
Sec motion dec |
-019 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
3529-02660-1 |
|
Gaia DR2 |
2121461235725050752 |
|