19103+4227 RAP   5

 
 
19h 10m 16.10s +42 26' 36.5" P.A. 184.00 sep 7.4 mag 12.70,12.90 Sp M
 
 
Coord 2000
19103+4227
Discov num
RAP   5
Comp
Coord arcsec 2000
19 10 16.10 +42 26 36.5
Date first
1998
Date last
2015
Obs
9
Pa first
184
Pa last
184
P.A. Now (θ)
184°
Sep first
7.5
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
12.70
Mag sec
12.90
delta mag (ΔM)
0.2
Spectral class
M (red)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-003
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
183.6
Precise sep
7.444
Constellation
Hydra
SAO
48142
Gaia DR2
2102554583532815488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19103+4227 RAP 5 2003 2 184 7.5 12.70 12.90 M K 191016.10+422636.5
19103+4227 RAP 5 2015 3 184 7.4 12.70 12.90 M K 191016.10+422636.5

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