15171+2350 CVR 781

 
 
15h 17m 03.61s +23 50' 02.6" P.A. 219 sep 13.1 mag 14.10,15.90 Sp M1+M5
 
 
Coord 2000
15171+2350
Discov num
CVR 781
Comp
Coord arcsec 2000
15 17 03.61 +23 50 02.6
Date first
1997
Date last
2016
Obs
6
Pa first
219
Pa last
219
P.A. Now (θ)
219°
Sep first
13.2
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
14.10
Mag sec
15.90
delta mag (ΔM)
1.8
Spectral class
M1+M5 (red/red)
Pri motion ra
-018
Sec motion ra
-016
Pri motion dec
-038
Sec motion dec
-042
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.1 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218.5
Precise sep
13.121
Cdsa2 id
CVR 781
Constellation
Serpens
Ra deg
15.284336111111111
De deg
23.834055555555555
last precise pa
218.5
last precise sep
13.121
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15171+2350 CVR 781 2004 1 218 13.2 14.10 15.90 M1+M5 V R 151703.02+234952.3
15171+2350 CVR 781 2010 4 218 12.9 14.10 15.90 M1+M5 V R 151703.61+235002.6
15171+2350 CVR 781 2016 5 219 13.1 14.10 15.90 M1+M5 V R 151703.61+235002.6

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