18217+0521 TDS 918 (HD 168853)
18h 21m 44.74s +05° 20' 38.5" P.A. 138.00 sep 1.3 mag 9.71,11.23 Sp A0
| Coord 2000 |
18217+0521 |
|
Discov num |
TDS 918 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 44.74 +05 20 38.5 |
|
| Date first |
1991 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
137 |
|
Pa last |
138.2 |
|
P.A. Now (θ) |
138.2° |
|
| Sep first |
1.2 |
|
Sep last |
1.253 |
|
Sep. Now (ρ) |
1.253" |
|
| Mag pri |
9.71 |
|
Mag sec |
11.23 |
|
delta mag (ΔM) |
1.52 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 168853 |
|
Constellation |
Serpens |
|
Tycho2 |
0440-03694-1 |
|
Gaia DR2 |
4476659157261692160 |
|
| HD |
168853 |
|
