19177+2302 BU  248AB (2 Vul)

 
 
19h 17m 43.64s +23 01' 32.0" P.A. 128 sep 1.8 mag 5.43,8.75 Sp B0.5IV
 
 
Coord 2000
19177+2302
Discov num
BU  248
Comp
AB
Coord arcsec 2000
19 17 43.64 +23 01 32.0
Date first
1875
Date last
2015
Obs
67
Pa first
125
Pa last
128
P.A. Now (θ)
128°
Sep first
1.9
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
5.43
Mag sec
8.75
delta mag (ΔM)
3.32
Spectral class
B0.5IV (blue-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-011
Sec motion dec
-011
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19177+2302 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 2 Vul 87036 19177+2302 BU 248 AB 1875 2015 67 128 1.8 5.43 8.75 3.32 <===
Show 19177+2302 HO 654 AC 1881 2013 7 118 51.5 5.43 10.40 4.97
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.3
Precise sep
1.76
Name
2 Vul
Constellation
Vulpecula
SAO
87036
Tycho2
2124-02557-1
HD
180968
HR
7318
Flamsteed
2 Vulpeculae
Flamsteed name
2 Vul
last precise pa
128.3
last precise sep
1.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19177+2302 BU 248 AB 2001 55 131 1.6 5.43 8.75 B0.5IV N D 191743.64+230132.0
19177+2302 BU 248 AB 2007 59 128 1.7 5.43 8.75 B0.5IV N D 191743.64+230132.0
19177+2302 BU 248 AB 2009 61 128 1.7 5.43 8.75 B0.5IV N D 191743.64+230132.0
19177+2302 BU 248 AB 2013 62 127 1.7 5.43 8.75 B0.5IV N 191743.64+230132.0
19177+2302 BU 248 AB 2015 67 128 1.8 5.43 8.75 B0.5IV N 191743.64+230132.0

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