18448+4458 WEB 7
18h 44m 47.67s +44° 57' 37.8" P.A. 50.00 sep 11.3 mag 9.55,10.35 Sp A5
| Coord 2000 |
18448+4458 |
|
Discov num |
WEB 7 |
|
Comp |
|
|
Coord arcsec 2000 |
18 44 47.67 +44 57 37.8 |
|
| Date first |
1893 |
|
Date last |
2016 |
|
Obs |
19 |
|
| Pa first |
51 |
|
Pa last |
49.5 |
|
P.A. Now (θ) |
49.5° |
|
| Sep first |
11.5 |
|
Sep last |
11.288 |
|
Sep. Now (ρ) |
11.288" |
|
| Mag pri |
9.55 |
|
Mag sec |
10.35 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
rPM=0.236 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3130-00107-1 |
|
Gaia DR2 |
2117477120983431552 |
|
