18588+1217 J  2581

 
 
18h 58m 40.08s +12 16' 02.2" P.A. 315 sep 7.8 mag 9.90,12.60 Sp K5
 
 
Coord 2000
18588+1217
Discov num
J  2581
Comp
Coord arcsec 2000
18 58 40.08 +12 16 02.2
Date first
1943
Date last
2001
Obs
4
Pa first
310
Pa last
315
P.A. Now (θ)
315°
Sep first
6.0
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
9.90
Mag sec
12.60
delta mag (ΔM)
2.7
Spectral class
K5 (yellow-orange)
Pri motion ra
+007
Sec motion ra
-029
Pri motion dec
-007
Sec motion dec
+010
Notes
rPM=1.298
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315
Precise sep
7.824
Constellation
Aquila
last precise pa
315
last precise sep
7.824
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18588+1217 J 2581 1985 2 313 8.0 11.48 14.10 185849.17+121752.1
18588+1217 J 2581 2001 4 315 7.8 9.90 12.60 185840.08+121602.2

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