12575+1317 SLW 799

12h 57m 30.78s +13 17' 02.3" P.A. 276.00 sep 40.9 mag 15.84,18.05 Sp K5.6+M1.5

Coord 2000
12575+1317
Discov num
SLW 799
Comp
Coord arcsec 2000
12 57 30.78 +13 17 02.3
Date first
1950
Date last
2015
Obs
12
Pa first
276
Pa last
276
P.A. Now (θ)
276°
Sep first
40.7
Sep last
40.9
Sep. Now (ρ)
40.9"
Mag pri
15.84
Mag sec
18.05
delta mag (ΔM)
2.21
Spectral class
K5.6+M1.5 (yellow-orange/red)
Pri motion ra
-093
Sec motion ra
-094
Pri motion dec
-015
Sec motion dec
-014
Notes
V R (Proper motion indicates physical, Red magnitudes)


Visually invisible, K-band or other infrared star rPM=0.015 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
276.3
Precise sep
40.87
Constellation
Virgo
Gaia DR2
17285820416




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12575+1317 SLW 799 2003 1 276 40.9 15.84 18.05 K5.6 M1.5 V R 125730.78+131702.3
12575+1317 SLW 799 2010 3 276 40.9 15.84 18.05 K5.6+M1.5 V R 125730.78+131702.3
12575+1317 SLW 799 2015 4 276 40.9 15.84 18.05 K5.6+M1.5 V R 125730.78+131702.3

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