17420+2127 STF 2197
17h 41m 49.76s +21° 25' 54.7" P.A. 357.00 sep 7.9 mag 10.64,10.99 Sp K0
Coord 2000 |
17420+2127 |
|
Discov num |
STF2197 |
|
Comp |
|
|
Coord arcsec 2000 |
17 41 49.76 +21 25 54.7 |
|
Date first |
1829 |
|
Date last |
2019 |
|
Obs |
34 |
|
Pa first |
359 |
|
Pa last |
356.8 |
|
P.A. Now (θ) |
356.8° |
|
Sep first |
8.1 |
|
Sep last |
7.92 |
|
Sep. Now (ρ) |
7.92" |
|
Mag pri |
10.64 |
|
Mag sec |
10.99 |
|
delta mag (ΔM) |
0.35 |
|
Spectral class |
K0 (yellow-orange) |
|
Pri motion ra |
+013 |
|
Sec motion ra |
+014 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
N
T
(See Notes, Parallax indicates physical) |
|
rPM=0.071 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
1563-02129-1 |
|
Gaia DR2 |
4556050974880737792 |
|
ADS |
10727 |
|
DM |
BD+21 3191 |
|