18332+2835 MLB 691

 
 
18h 33m 13.39s +28 34' 15.2" P.A. 16 sep 4.7 mag 12.00,14.30
 
 
Coord 2000
18332+2835
Discov num
MLB 691
Comp
Coord arcsec 2000
18 33 13.39 +28 34 15.2
Date first
1931
Date last
2010
Obs
4
Pa first
17
Pa last
16
P.A. Now (θ)
16°
Sep first
3.6
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
12.00
Mag sec
14.30
delta mag (ΔM)
2.3
Spectral class
Pri motion ra
+020
Sec motion ra
+057
Pri motion dec
+042
Sec motion dec
-055
Notes
rPM=1.311
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
15.6
Precise sep
4.71
Constellation
Lyra
Tycho2
2118-02006-1
last precise pa
15.6
last precise sep
4.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18332+2835 MLB 691 2000 2 19 4.3 12.00 14.30 D 183313.39+283415.2
18332+2835 MLB 691 2002 3 17 4.3 12.00 14.30 D 183313.39+283415.2
18332+2835 MLB 691 2010 4 17 3.9 12.00 14.30 183313.39+283415.2

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