19428+3352 HAU   4

 
 
19h 42m 52.64s +33 51' 41.8" P.A. 81 sep 16.8 mag 11.04,11.92 Sp A
 
 
Coord 2000
19428+3352
Discov num
HAU   4
Comp
Coord arcsec 2000
19 42 52.64 +33 51 41.8
Date first
1893
Date last
2013
Obs
10
Pa first
81
Pa last
81
P.A. Now (θ)
81°
Sep first
16.8
Sep last
16.8
Sep. Now (ρ)
16.8"
Mag pri
11.04
Mag sec
11.92
delta mag (ΔM)
0.88
Spectral class
A (white)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
+004
Sec motion dec
+005
Notes
rPM=0.141 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
81.4
Precise sep
16.76
Cdsa2 id
HAU 4
Constellation
Cygnus
Tycho2
2664-00560-1
HD
225478
Ra deg
19.71462222222222
De deg
33.86161111111111
last precise pa
81.4
last precise sep
16.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19428+3352 HAU 4 1998 7 81 16.8 11.04 11.92 D 194252.64+335141.8
19428+3352 HAU 4 2002 8 81 16.7 11.04 11.92 D 194252.64+335141.8
19428+3352 HAU 4 2013 9 81 16.8 11.04 11.92 A 194252.64+335141.8

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