15400+3851 CVR1642

 
 
15h 39m 57.08s +38 50' 47.7" P.A. 218.00 sep 3.5 mag 17.00,17.30 Sp M1+M1
 
 
Coord 2000
15400+3851
Discov num
CVR1642
Comp
Coord arcsec 2000
15 39 57.08 +38 50 47.7
Date first
2000
Date last
2016
Obs
6
Pa first
218
Pa last
218
P.A. Now (θ)
218°
Sep first
3.5
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
17.00
Mag sec
17.30
delta mag (ΔM)
0.3
Spectral class
M1+M1 (red/red)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218.2
Precise sep
3.456
Constellation
Corona Borealis
Gaia DR2
1377400585968531584
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15400+3851 CVR1642 2003 1 218 3.5 17.00 17.30 M2+M2 R 153957.08+385047.7
15400+3851 CVR1642 2015 4 218 3.5 17.00 17.30 M2+M2 R 153957.08+385047.7

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