17309-1609 J 2506
17h 30m 55.27s -16° 09' 07.4" P.A. 202.00 sep 4.4 mag 9.80,11.60
Coord 2000 |
17309-1609 |
|
Discov num |
J 2506 |
|
Comp |
|
|
Coord arcsec 2000 |
17 30 55.27 -16 09 07.4 |
|
Date first |
1904 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
180 |
|
Pa last |
201.8 |
|
P.A. Now (θ) |
201.8° |
|
Sep first |
2.7 |
|
Sep last |
4.354 |
|
Sep. Now (ρ) |
4.354" |
|
Mag pri |
9.80 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
|
|
Pri motion ra |
+009 |
|
Sec motion ra |
|
|
Pri motion dec |
+006 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
Gaia DR2 |
4124694313997319680 |
|