15211+1640 A  2229

 
 
15h 21m 03.12s +16 39' 53.3" P.A. 230 sep 1.5 mag 9.77,13.30 Sp F8
 
 
Coord 2000
15211+1640
Discov num
A  2229
Comp
Coord arcsec 2000
15 21 03.12 +16 39 53.3
Date first
1910
Date last
1983
Obs
6
Pa first
232
Pa last
230
P.A. Now (θ)
230°
Sep first
1.4
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.77
Mag sec
13.30
delta mag (ΔM)
3.53
Spectral class
F8 (yellow-white)
Pri motion ra
+011
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
229.5
Precise sep
1.52
Constellation
Serpens
SAO
101501
Tycho2
1487-01058-1
last precise pa
229.5
last precise sep
1.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15211+1640 A 2229 1983 6 230 1.5 9.77 13.30 F8 152103.12+163953.3

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