19162+2757 HO  447

 
 
19h 16m 09.06s +27 55' 25.3" P.A. 170 sep 2.4 mag 9.50,9.50
 
 
Coord 2000
19162+2757
Discov num
HO  447
Comp
Coord arcsec 2000
19 16 09.06 +27 55 25.3
Date first
1893
Date last
2015
Obs
21
Pa first
181
Pa last
170
P.A. Now (θ)
170°
Sep first
1.1
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
9.50
Mag sec
9.50
delta mag (ΔM)
0
Spectral class
Pri motion ra
-007
Sec motion ra
Pri motion dec
-035
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.3
Precise sep
2.389
Constellation
Lyra
SAO
87008
Tycho2
2132-03298-1
Gaia DR2
24242127872
HD
180583
HR
7308
DM
BD+27 3314
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19162+2757 HO 447 2002 17 172 2.4 9.50 9.50 191609.06+275525.3
19162+2757 HO 447 2009 19 171 2.4 9.50 9.50 191609.06+275525.3
19162+2757 HO 447 2015 21 170 2.4 9.50 9.50 191609.06+275525.3

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