18300+0111 STF2321

 
 
18h 29m 57.66s +01 10' 53.6" P.A. 189 sep 6.6 mag 8.49,9.61 Sp A0
 
 
Coord 2000
18300+0111
Discov num
STF2321
Comp
Coord arcsec 2000
18 29 57.66 +01 10 53.6
Date first
1830
Date last
2010
Obs
36
Pa first
191
Pa last
189
P.A. Now (θ)
189°
Sep first
6.7
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
8.49
Mag sec
9.61
delta mag (ΔM)
1.12
Spectral class
A0 (white)
Pri motion ra
-004
Sec motion ra
-002
Pri motion dec
-012
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
Tycho2
0433-00235-1
HD
170545
last precise pa
188.9
last precise sep
6.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18300+0111 STF2321 2006 33 191 6.7 8.49 9.61 A0 D 182957.66+011053.6
18300+0111 STF2321 2009 34 190 6.4 8.49 9.61 A0 D 182957.66+011053.6
18300+0111 STF2321 2010 36 191 5.7 8.49 9.61 A0 182957.66+011053.6

If you need more information about this double, apply for a data request form to the WDS.