18490+3017 TDT 1067
18h 48m 58.88s +30° 16' 31.1" P.A. 342.00 sep 2.2 mag 12.23,12.28
| Coord 2000 |
18490+3017 |
|
Discov num |
TDT1067 |
|
Comp |
|
|
Coord arcsec 2000 |
18 48 58.88 +30 16 31.1 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
347 |
|
Pa last |
342.2 |
|
P.A. Now (θ) |
342.2° |
|
| Sep first |
2.0 |
|
Sep last |
2.154 |
|
Sep. Now (ρ) |
2.154" |
|
| Mag pri |
12.23 |
|
Mag sec |
12.28 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
|
|
| Pri motion ra |
-019 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
2638-01371-1 |
|
Gaia DR2 |
2041607760649958400 |
|
