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
Constellation
Serpens
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

If you need more information about this double, apply for a data request form to the WDS.