19477+4451 COU2691

 
 
19h 47m 44.40s +44 51' 01.1" P.A. 211 sep 1.1 mag 10.31,11.03 Sp A2
 
 
Coord 2000
19477+4451
Discov num
COU2691
Comp
Coord arcsec 2000
19 47 44.40 +44 51 01.1
Date first
1991
Date last
2010
Obs
6
Pa first
208
Pa last
211
P.A. Now (θ)
211°
Sep first
1.1
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
10.31
Mag sec
11.03
delta mag (ΔM)
0.72
Spectral class
A2 (white)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
+000
Sec motion dec
+000
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
210.5
Precise sep
1.072
Cdsa2 id
COU 2691
Constellation
Cygnus
Tycho2
3148-00049-1
HD
187373
Ra deg
19.79566666666667
De deg
44.85030555555556
last precise pa
210.5
last precise sep
1.072
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19477+4451 COU2691 1992 2 213 0.6 10.31 11.03 A2 194744.40+445101.1
19477+4451 COU2691 2010 3 208 1.0 10.31 11.03 A2 194744.40+445101.1

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