16391+3353 CVR1670

 
 
16h 39m 03.51s +33 52' 45.7" P.A. 235 sep 3.5 mag 18.50,18.70 Sp M4+M4
 
 
Coord 2000
16391+3353
Discov num
CVR1670
Comp
Coord arcsec 2000
16 39 03.51 +33 52 45.7
Date first
1998
Date last
2015
Obs
4
Pa first
234
Pa last
235
P.A. Now (θ)
235°
Sep first
3.6
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
18.50
Mag sec
18.70
delta mag (ΔM)
0.2
Spectral class
M4+M4 (red/red)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-030
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
234.9
Precise sep
3.53
Constellation
Hercules
Gaia DR2
53947610880
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16391+3353 CVR1670 2002 2 235 3.5 18.50 18.70 M4+M4 R 163903.51+335245.7
16391+3353 CVR1670 2015 4 235 3.5 18.50 18.70 M4+M4 R 163903.51+335245.7

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