21161+1606 BU 1261

 
 
21h 16m 07.68s +16 06' 12.4" P.A. 151 sep 1.8 mag 9.00,10.20 Sp A2
 
 
Coord 2000
21161+1606
Discov num
BU 1261
Comp
Coord arcsec 2000
21 16 07.68 +16 06 12.4
Date first
1886
Date last
2016
Obs
28
Pa first
152
Pa last
151
P.A. Now (θ)
151°
Sep first
1.4
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
9.00
Mag sec
10.20
delta mag (ΔM)
1.2
Spectral class
A2 (white)
Pri motion ra
+017
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
150.5
Precise sep
1.791
Cdsa2 id
BU 1261
Constellation
Pegasus
Ra deg
21.2688
De deg
16.103444444444445
last precise pa
150.5
last precise sep
1.791
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21161+1606 BU 1261 1999 27 148 1.7 9.00 10.20 A2 211607.68+160612.4
21161+1606 BU 1261 2016 28 151 1.8 9.00 10.20 A2 211607.68+160612.4

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