16580+4931 CVR1684

 
 
16h 58m 00.82s +49 31' 13.9" P.A. 169 sep 4 mag 17.20,17.30 Sp M0+M1
 
 
Coord 2000
16580+4931
Discov num
CVR1684
Comp
Coord arcsec 2000
16 58 00.82 +49 31 13.9
Date first
1998
Date last
2005
Obs
3
Pa first
169
Pa last
169
P.A. Now (θ)
169°
Sep first
4.1
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
17.20
Mag sec
17.30
delta mag (ΔM)
0.1
Spectral class
M0+M1 (red/red)
Pri motion ra
-017
Sec motion ra
Pri motion dec
+019
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
169.3
Precise sep
4.04
Cdsa2 id
CVR 1684
Constellation
Hercules
Ra deg
16.966894444444442
De deg
49.52052777777778
last precise pa
169.3
last precise sep
4.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16580+4931 CVR1684 2005 2 169 4.0 17.20 17.30 M0+M1 R 165800.82+493113.9

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