18503+1408 HEI 398
18h 50m 18.75s +14° 08' 02.2" P.A. 107.00 sep 1.8 mag 8.84,12.70 Sp A
| Coord 2000 |
18503+1408 |
|
Discov num |
HEI 398 |
|
Comp |
|
|
Coord arcsec 2000 |
18 50 18.75 +14 08 02.2 |
|
| Date first |
1986 |
|
Date last |
1996 |
|
Obs |
2 |
|
| Pa first |
106 |
|
Pa last |
107.1 |
|
P.A. Now (θ) |
107.1° |
|
| Sep first |
1.6 |
|
Sep last |
1.84 |
|
Sep. Now (ρ) |
1.84" |
|
| Mag pri |
8.84 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
3.86 |
|
Spectral class |
A (white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
|
|
| Pri motion dec |
+012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
104165 |
|
Tycho2 |
1038-00956-1 |
|
Gaia DR2 |
4507102881899279360 |
|
| HD |
174531 |
|