18520+1705 COU 720

18h 51m 57.61s +17 05' 06.6" P.A. 194 sep 4.1 mag 9.10,12.40 Sp G5

Coord 2000
18520+1705
Discov num
COU 720
Comp
Coord arcsec 2000
18 51 57.61 +17 05 06.6
Date first
1971
Date last
1999
Obs
2
Pa first
194
Pa last
194
P.A. Now (θ)
194°
Sep first
4.1
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
9.10
Mag sec
12.40
delta mag (ΔM)
3.3
Spectral class
G5 (yellow)
Pri motion ra
+033
Sec motion ra
Pri motion dec
-034
Sec motion dec
Notes


Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
193.9
Precise sep
4.12
Cdsa2 id
COU 720
Constellation
Hercules
Ra deg
18.86600277777778
De deg
17.085166666666666
last precise pa
193.9
last precise sep
4.12




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18520+1705 COU 720 1999 2 194 4.1 9.10 12.40 G5 D 185157.61+170506.6

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