12501+1300 SLW 778

 
 
12h 50m 05.50s +13 00' 20.5" P.A. 351.00 sep 76.8 mag 17.51,18.74 Sp M2.5+M3.5
 
 
Coord 2000
12501+1300
Discov num
SLW 778
Comp
Coord arcsec 2000
12 50 05.50 +13 00 20.5
Date first
1991
Date last
2015
Obs
9
Pa first
351
Pa last
351
P.A. Now (θ)
351°
Sep first
76.7
Sep last
76.8
Sep. Now (ρ)
76.8"
Mag pri
17.51
Mag sec
18.74
delta mag (ΔM)
1.23
Spectral class
M2.5+M3.5 (red/red)
Pri motion ra
-040
Sec motion ra
-035
Pri motion dec
-015
Sec motion dec
-017
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.126 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
351.2
Precise sep
76.828
Constellation
Virgo
Gaia DR2
36988904832
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12501+1300 SLW 778 2003 1 351 76.9 17.51 18.74 M2.5 M3.5 V R 125005.50+130020.5
12501+1300 SLW 778 2010 3 351 76.9 17.51 18.74 M2.5+M3.5 V R 125005.50+130020.5
12501+1300 SLW 778 2015 4 351 76.8 17.51 18.74 M2.5+M3.5 V R 125005.50+130020.5

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