20191+3645 BU 1206

 
 
20h 19m 07.08s +36 45' 07.6" P.A. 348 sep 1.7 mag 7.53,10.70 Sp F4III
 
 
Coord 2000
20191+3645
Discov num
BU 1206
Comp
Coord arcsec 2000
20 19 07.08 +36 45 07.6
Date first
1890
Date last
2015
Obs
16
Pa first
2
Pa last
348
P.A. Now (θ)
348°
Sep first
2.1
Sep last
1.7
Sep. Now (ρ)
1.7"
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
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
348
Precise sep
1.652
Constellation
Cygnus
SAO
69822
Tycho2
2684-01297-1
Gaia DR2
93531135616
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 1977 15 357 2.2 7.53 10.70 F4III 201907.08+364507.6
20191+3645 BU 1206 2015 16 348 1.7 7.53 10.70 F4III 201907.08+364507.6

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