19407-1618 HJ  599AB (54 Sgr)

 
 
19h 40m 43.34s -16 17' 35.3" P.A. 279 sep 45.2 mag 5.42,12.65 Sp K2III+F8V
 
 
Coord 2000
19407-1618
Discov num
HJ  599
Comp
AB
Coord arcsec 2000
19 40 43.34 -16 17 35.3
Date first
1828
Date last
2009
Obs
11
Pa first
273
Pa last
279
P.A. Now (θ)
279°
Sep first
15.0
Sep last
45.2
Sep. Now (ρ)
45.2"
Mag pri
5.42
Mag sec
12.65
delta mag (ΔM)
7.23
Spectral class
K2III+F8V (yellow-orange/yellow-white)
Pri motion ra
+068
Sec motion ra
+007
Pri motion dec
-051
Sec motion dec
-001
Notes
N (See Notes)
rPM=0.928
This double is not physical.
 
 
19407-1618 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 54 Sgr 162883 19407-1618 HJ 599 AB 1828 2009 11 279 45.2 5.42 12.65 7.23 <===
Show 162883 19407-1618 HJ 599 AC 1827 2017 43 42 45.5 5.42 7.65 2.23
Show 19407-1618 ANT 6 AD 1998 2009 5 252 56.8 5.42 13.90 8.48
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.2
Precise sep
45.2
Name
54 Sgr
Other name
e1 Sgr
Constellation
Sagittarius
SAO
162883
HD
185644
HR
7476
Flamsteed
54 Sagittarii
Flamsteed name
54 Sgr
last precise pa
279.2
last precise sep
45.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19407-1618 HJ 599 AB 1905 5 273 38.1 5.31 12.64 K2III+F8V N 194043.34-161735.3
19407-1618 HJ 599 AB 2009 7 279 45.2 5.42 12.60 K2III F8V N 194043.34-161735.3

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