20153+2536 BU  983AC

 
 
20h 15m 15.89s +25 35' 31.1" P.A. 83 sep 115.7 mag 4.80,9.70 Sp B3V dist. 303.95 pc (991.48 l.y.)
 
 
Coord 2000
20153+2536
Discov num
BU  983
Comp
AC
Coord arcsec 2000
20 15 15.89 +25 35 31.1
Date first
1912
Date last
2015
Obs
6
Pa first
83
Pa last
83
P.A. Now (θ)
83°
Sep first
115.8
Sep last
115.7
Sep. Now (ρ)
115.7"
Mag pri
4.80
Mag sec
9.70
delta mag (ΔM)
4.9
Spectral class
B3V (blue-white)
Pri motion ra
+007
Sec motion ra
+006
Pri motion dec
-005
Sec motion dec
-011
Notes
N (See Notes)
rPM=0.485
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 QR Vul 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 2015 6 83 115.7 4.80 9.70 4.90 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.9
Precise sep
115.725
Var name
QR Vul
Constellation
Vulpecula
SAO
88410
HIP
99824
Tycho2
2159-02068-1
Gaia DR2
77682835200
HD
192685
HR
7739
BD
BD+25 4165
Distance
303.95
Distance ly
991.48
 
 
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 AC 1912 1 83 115.8 4.80 9.70 B3V N 201515.89+253531.1
20153+2536 BU 983 AC 2002 2 83 115.8 4.80 9.70 B3V N 201515.89+253531.1
20153+2536 BU 983 AC 2013 4 83 115.0 4.80 9.70 B3V N 201515.89+253531.1
20153+2536 BU 983 AC 2015 6 83 115.7 4.80 9.70 B3V N 201515.89+253531.1

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