18574+0302 UC  242

 
 
18h 57m 21.01s +03 01' 51.6" P.A. 181 sep 19.6 mag 13.50,14.11
 
 
Coord 2000
18574+0302
Discov num
UC  242
Comp
Coord arcsec 2000
18 57 21.01 +03 01 51.6
Date first
1999
Date last
2010
Obs
3
Pa first
180
Pa last
181
P.A. Now (θ)
181°
Sep first
19.9
Sep last
19.6
Sep. Now (ρ)
19.6"
Mag pri
13.50
Mag sec
14.11
delta mag (ΔM)
0.61
Spectral class
Pri motion ra
+070
Sec motion ra
+068
Pri motion dec
+040
Sec motion dec
+037
Notes
V (Proper motion indicates physical)
rPM=0.045 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
181
Precise sep
19.64
Constellation
Serpens
Tycho2
0453-00027-1
last precise pa
181
last precise sep
19.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18574+0302 UC 242 1999 1 180 19.9 13.50 14.11 V 185721.01+030151.6
18574+0302 UC 242 2000 2 180 19.8 13.50 14.11 VD 185721.01+030151.6
18574+0302 UC 242 2010 3 182 19.7 13.50 14.11 V 185721.01+030151.6

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