20153+2536 BU  983AB

 
 
20h 15m 15.89s +25 35' 31.1" P.A. 185 sep 0.5 mag 4.80,7.55 Sp B3V
 
 
Coord 2000
20153+2536
Discov num
BU  983
Comp
AB
Coord arcsec 2000
20 15 15.89 +25 35 31.1
Date first
1879
Date last
2011
Obs
30
Pa first
154
Pa last
185
P.A. Now (θ)
185°
Sep first
0.8
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
4.80
Mag sec
7.55
delta mag (ΔM)
2.75
Spectral class
B3V (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20153+2536 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 88410 20153+2536 BU 983 AB 1879 2011 30 185 0.5 4.80 7.55 2.75 <===
Show 20153+2536 BU 983 AC 1912 2013 5 83 115.0 4.80 9.70 4.90
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.4
Precise sep
0.47
Constellation
Vulpecula
SAO
88410
HD
192685
HR
7739
last precise pa
185.4
last precise sep
0.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20153+2536 BU 983 AB 2004 26 183 0.5 4.80 7.55 B3V N D 201515.89+253531.1
20153+2536 BU 983 AB 2007 29 184 0.5 4.80 7.55 B3V N D 201515.89+253531.1
20153+2536 BU 983 AB 2011 30 185 0.5 4.80 7.55 B3V N 201515.89+253531.1

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