20191+3645 BU 1206AB

 
 
20h 19m 07.08s +36 45' 07.6" P.A. 355.00 sep 2.2 mag 7.53,10.70 Sp F4III
 
 
Coord 2000
20191+3645
Discov num
BU 1206
Comp
AB
Coord arcsec 2000
20 19 07.08 +36 45 07.6
Date first
1890
Date last
2016
Obs
17
Pa first
2
Pa last
355
P.A. Now (θ)
355°
Sep first
2.1
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
7.53
Mag sec
10.70
delta mag (ΔM)
3.17
Spectral class
F4III (yellow-white)
Pri motion ra
-013
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes
W
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
354.8
Precise sep
2.228
Constellation
Cygnus
SAO
69822
Tycho2
2684-01297-1
HD
193487
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20191+3645 BU 1206 AB 2016 17 355 2.2 7.53 10.70 F4III W 201907.08+364507.6

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