17118+4036 DAM 978
17h 11m 46.23s +40° 36' 06.7" P.A. 221.00 sep 4.4 mag 11.40,13.80
| Coord 2000 |
17118+4036 |
|
Discov num |
DAM 978 |
|
Comp |
|
|
Coord arcsec 2000 |
17 11 46.23 +40 36 06.7 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
222 |
|
Pa last |
220.8 |
|
P.A. Now (θ) |
220.8° |
|
| Sep first |
4.8 |
|
Sep last |
4.425 |
|
Sep. Now (ρ) |
4.425" |
|
| Mag pri |
11.40 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
|
|
| Pri motion ra |
-022 |
|
Sec motion ra |
-026 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
rPM=0.334
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
3077-00899-1 |
|
Gaia DR2 |
1341917799552531584 |
|
