19244+1656 HDS2753Aa,Ab

 
 
19h 24m 22.08s +16 56' 15.9" P.A. 138 sep 0.4 mag 6.32,10.31 Sp A2III-IV
 
 
Coord 2000
19244+1656
Discov num
HDS2753
Comp
Aa,Ab
Coord arcsec 2000
19 24 22.08 +16 56 15.9
Date first
1991
Date last
2002
Obs
3
Pa first
149
Pa last
138
P.A. Now (θ)
138°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
6.32
Mag sec
10.31
delta mag (ΔM)
3.99
Spectral class
A2III-IV (white)
Pri motion ra
-006
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19244+1656 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 104797 19244+1656 HDS2753 Aa,Ab 1991 2002 3 138 0.4 6.32 10.31 3.99 <===
Show 2 Sge 104797 19244+1656 STFA 41 AB 1835 2016 32 78 342.3 6.26 6.86 0.60
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.1
Precise sep
0.43
Constellation
Sagitta
SAO
104797
HD
182490
HR
7369
Flamsteed
2 Sagittae
Flamsteed name
2 Sge
last precise pa
138.1
last precise sep
0.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19244+1656 HDS2753 Aa,Ab 1996 2 147 0.4 6.32 10.31 A2III-IV N D 192422.08+165615.9
19244+1656 HDS2753 Aa,Ab 2002 3 138 0.4 6.32 10.31 A2III-IV N D 192422.08+165615.9

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