19229-1759 HWE  48

 
 
19h 22m 54.73s -17 59' 20.9" P.A. 82 sep 2.6 mag 9.10,10.23 Sp A0V
 
 
Coord 2000
19229-1759
Discov num
HWE  48
Comp
Coord arcsec 2000
19 22 54.73 -17 59 20.9
Date first
1877
Date last
2016
Obs
19
Pa first
83
Pa last
82
P.A. Now (θ)
82°
Sep first
2.2
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
9.10
Mag sec
10.23
delta mag (ΔM)
1.13
Spectral class
A0V (white)
Pri motion ra
-020
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.2
Precise sep
2.648
Cdsa2 id
HWE 48
Constellation
Sagittarius
Tycho2
6301-01690-1
HD
181891
Ra deg
19.381869444444444
De deg
-17.98913888888889
last precise pa
82.2
last precise sep
2.648
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19229-1759 HWE 48 1991 16 86 2.4 9.10 10.23 A0V 192254.73-175920.9
19229-1759 HWE 48 1999 18 86 2.5 9.10 10.23 A0V 192254.73-175920.9
19229-1759 HWE 48 2016 19 82 2.6 9.10 10.23 A0V 192254.73-175920.9

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