18177+2356 HJ 2831 (HD 341889)
18h 17m 39.97s +23° 55' 03.8" P.A. 339.00 sep 17.4 mag 10.84,11.80 Sp G5
Coord 2000 |
18177+2356 |
|
Discov num |
HJ 2831 |
|
Comp |
|
|
Coord arcsec 2000 |
18 17 39.97 +23 55 03.8 |
|
Date first |
1830 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
353 |
|
Pa last |
338.9 |
|
P.A. Now (θ) |
338.9° |
|
Sep first |
10.0 |
|
Sep last |
17.416 |
|
Sep. Now (ρ) |
17.416" |
|
Mag pri |
10.84 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.96 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+017 |
|
Sec motion ra |
-038 |
|
Pri motion dec |
-018 |
|
Sec motion dec |
+121 |
|
Notes |
|
|
rPM=1.179
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 341889 |
|
Constellation |
Hercules |
|
Tycho2 |
2093-00394-1 |
|
Gaia DR2 |
4578526538741648128 |
|
HD |
341889 |
|