18464+0259 BAL1970

 
 
18h 46m 27.03s +02 58' 01.9" P.A. 253 sep 2.8 mag 12.20,13.10
 
 
Coord 2000
18464+0259
Discov num
BAL1970
Comp
Coord arcsec 2000
18 46 27.03 +02 58 01.9
Date first
1989
Date last
2015
Obs
5
Pa first
257
Pa last
253
P.A. Now (θ)
253°
Sep first
2.0
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
12.20
Mag sec
13.10
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-012
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.6
Precise sep
2.812
Constellation
Serpens
last precise pa
252.6
last precise sep
2.812
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18464+0259 BAL1970 1996 3 261 2.0 11.32 11.80 184620.96+025837.7
18464+0259 BAL1970 1998 4 253 2.7 12.20 13.10 184627.03+025801.9
18464+0259 BAL1970 2015 5 253 2.8 12.20 13.10 184627.03+025801.9

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