17004+3058 HLM 8
17h 00m 23.94s +30° 56' 42.6" P.A. 347.00 sep 19.8 mag 11.61,11.45 Sp F5:
Coord 2000 |
17004+3058 |
|
Discov num |
HLM 8 |
|
Comp |
|
|
Coord arcsec 2000 |
17 00 23.94 +30 56 42.6 |
|
Date first |
1902 |
|
Date last |
2015 |
|
Obs |
18 |
|
Pa first |
348 |
|
Pa last |
347.4 |
|
P.A. Now (θ) |
347.4° |
|
Sep first |
19.3 |
|
Sep last |
19.831 |
|
Sep. Now (ρ) |
19.831" |
|
Mag pri |
11.61 |
|
Mag sec |
11.45 |
|
delta mag (ΔM) |
0.16 |
|
Spectral class |
F5: (yellow-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+009 |
|
Sec motion dec |
+010 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.141 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2590-01034-1 |
|
Gaia DR2 |
1310284265905838720 |
|