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 dist. 73.75 pc (240.57 l.y.)
 
 
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 2016 42 42 45.6 5.42 7.65 2.23
Show 162883 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
HIP
96808
Tycho2
6299-02609-1
HD
185644
HR
7476
GC
27214
BD
BD-16 5399
Flamsteed
54 Sagittarii
Flamsteed name
54 Sgr
Distance
73.75
Distance ly
240.57
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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