17421+2103 A 1371
17h 42m 07.91s +21° 02' 52.8" P.A. 113.00 sep 0.1 mag 9.40,10.40 Sp A0
| Coord 2000 |
17421+2103 |
|
Discov num |
A 1371 |
|
Comp |
|
|
Coord arcsec 2000 |
17 42 07.91 +21 02 52.8 |
|
| Date first |
1906 |
|
Date last |
2014 |
|
Obs |
16 |
|
| Pa first |
104 |
|
Pa last |
112.5 |
|
P.A. Now (θ) |
112.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.142 |
|
Sep. Now (ρ) |
0.142" |
|
| Mag pri |
9.40 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
1563-03445-1 |
|
Gaia DR2 |
4555976792211860608 |
|
ADS |
10729 |
|
