20174+0129 A  2279

 
 
20h 17m 24.86s +01 28' 44.3" P.A. 301 sep 4.5 mag 9.16,12.40 Sp F0
 
 
Coord 2000
20174+0129
Discov num
A  2279
Comp
Coord arcsec 2000
20 17 24.86 +01 28 44.3
Date first
1910
Date last
2015
Obs
5
Pa first
301
Pa last
301
P.A. Now (θ)
301°
Sep first
4.6
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
9.16
Mag sec
12.40
delta mag (ΔM)
3.24
Spectral class
F0 (yellow-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.7
Precise sep
4.501
Constellation
Aquila
Tycho2
0496-02026-1
Gaia DR2
16130800256
HD
192917
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20174+0129 A 2279 2000 4 301 4.2 9.16 12.40 F0 D 201724.86+012844.3
20174+0129 A 2279 2015 5 301 4.5 9.16 12.40 F0 201724.86+012844.3

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