17253+4929 BVD 250
17h 25m 18.64s +49° 28' 47.2" P.A. 39.00 sep 20.6 mag 10.90,16.70
| Coord 2000 |
17253+4929 |
|
Discov num |
BVD 250 |
|
Comp |
|
|
Coord arcsec 2000 |
17 25 18.64 +49 28 47.2 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
39 |
|
Pa last |
38.6 |
|
P.A. Now (θ) |
38.6° |
|
| Sep first |
20.5 |
|
Sep last |
20.56 |
|
Sep. Now (ρ) |
20.56" |
|
| Mag pri |
10.90 |
|
Mag sec |
16.70 |
|
delta mag (ΔM) |
5.8 |
|
Spectral class |
|
|
| Pri motion ra |
-051 |
|
Sec motion ra |
-049 |
|
| Pri motion dec |
-106 |
|
Sec motion dec |
-109 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.03 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
3516-00349-1 |
|
Gaia DR2 |
1366417014562129024 |
|
