17210-4048 VVV  40

 
 
17h 21m 01.55s -40 47' 51.9" P.A. 314 sep 5.2 mag 15.70,17.30 Sp M4+M5
 
 
Coord 2000
17210-4048
Discov num
VVV  40
Comp
Coord arcsec 2000
17 21 01.55 -40 47 51.9
Date first
1999
Date last
1999
Obs
1
Pa first
314
Pa last
314
P.A. Now (θ)
314°
Sep first
5.2
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
15.70
Mag sec
17.30
delta mag (ΔM)
1.6
Spectral class
M4+M5 (red/red)
Pri motion ra
-023
Sec motion ra
-023
Pri motion dec
-110
Sec motion dec
-107
Notes
V (Proper motion indicates physical)
rPM=0.027 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
314.2
Precise sep
5.2
Cdsa2 id
VVV 40
Constellation
Scorpius
Ra deg
17.35043055555556
De deg
-40.79775
last precise pa
314.2
last precise sep
5.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17210-4048 VVV 40 1999 1 314 5.2 15.70 17.30 M4+M5 V 172101.55-404751.9
17210-4048 VVV 40 2000 1 317 5.2 15.70 17.30 M4+M5 V 172101.55-404751.9

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