18363+0516 A 355 (HD 171749)
18h 36m 19.32s +05° 15' 37.5" P.A. 143.00 sep 1.3 mag 9.40,10.93 Sp A0
| Coord 2000 |
18363+0516 |
|
Discov num |
A 355 |
|
Comp |
|
|
Coord arcsec 2000 |
18 36 19.32 +05 15 37.5 |
|
| Date first |
1902 |
|
Date last |
2017 |
|
Obs |
14 |
|
| Pa first |
144 |
|
Pa last |
142.6 |
|
P.A. Now (θ) |
142.6° |
|
| Sep first |
1.2 |
|
Sep last |
1.26 |
|
Sep. Now (ρ) |
1.26" |
|
| Mag pri |
9.40 |
|
Mag sec |
10.93 |
|
delta mag (ΔM) |
1.53 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 171749 |
|
Constellation |
Serpens |
|
SAO |
123686 |
|
Tycho2 |
0454-00725-1 |
|
| Gaia DR2 |
4283905796707715200 |
|
HD |
171749 |
|