17308+3201 ZHN 31
17h 30m 49.54s +32° 01' 23.9" P.A. 259.00 sep 7.1 mag 17.10,18.60 Sp sdK8+sdM3
Coord 2000 |
17308+3201 |
|
Discov num |
ZHN 31 |
|
Comp |
|
|
Coord arcsec 2000 |
17 30 49.54 +32 01 23.9 |
|
Date first |
1998 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
260 |
|
Pa last |
258.5 |
|
P.A. Now (θ) |
258.5° |
|
Sep first |
7.2 |
|
Sep last |
7.075 |
|
Sep. Now (ρ) |
7.075" |
|
Mag pri |
17.10 |
|
Mag sec |
18.60 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
sdK8+sdM3 |
|
Pri motion ra |
-087 |
|
Sec motion ra |
-100 |
|
Pri motion dec |
+086 |
|
Sec motion dec |
+080 |
|
Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.112 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
4601636516510641792 |
|