18494-1750 HJ 2840
18h 49m 25.05s -17° 49' 42.8" P.A. 173.00 sep 15.2 mag 10.73,11.39
| Coord 2000 |
18494-1750 |
|
Discov num |
HJ 2840 |
|
Comp |
|
|
Coord arcsec 2000 |
18 49 25.05 -17 49 42.8 |
|
| Date first |
1831 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
163 |
|
Pa last |
173.4 |
|
P.A. Now (θ) |
173.4° |
|
| Sep first |
9.0 |
|
Sep last |
15.205 |
|
Sep. Now (ρ) |
15.205" |
|
| Mag pri |
10.73 |
|
Mag sec |
11.39 |
|
delta mag (ΔM) |
0.66 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-018 |
|
| Notes |
|
|
rPM=0.938
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
6285-04118-1 |
|
Gaia DR2 |
4098909636780407936 |
|
