19457+3910 RAP  14

 
 
19h 45m 41.32s +39 06' 34.4" P.A. 282.00 sep 4.0 mag 13.20,14.50 Sp M
 
 
Coord 2000
19457+3910
Discov num
RAP  14
Comp
Coord arcsec 2000
19 45 41.32 +39 06 34.4
Date first
1998
Date last
2015
Obs
2
Pa first
282
Pa last
282
P.A. Now (θ)
282°
Sep first
3.9
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
13.20
Mag sec
14.50
delta mag (ΔM)
1.3
Spectral class
M (red)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.8
Precise sep
3.971
Constellation
Hydra
SAO
68803
Gaia DR2
2073227928371050496
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19457+3910 RAP 14 1998 1 282 3.9 13.20 14.50 M K 194541.32+390634.4
19457+3910 RAP 14 2015 2 282 4.0 13.20 14.50 M K 194541.32+390634.4

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