21192+0339 J  1721

 
 
21h 19m 20.57s +03 40' 56.8" P.A. 272 sep 3.2 mag 11.20,12.60
 
 
Coord 2000
21192+0339
Discov num
J  1721
Comp
Coord arcsec 2000
21 19 20.57 +03 40 56.8
Date first
1941
Date last
2015
Obs
4
Pa first
280
Pa last
272
P.A. Now (θ)
272°
Sep first
4.0
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
11.20
Mag sec
12.60
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+064
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.3
Precise sep
3.161
Constellation
Equuleus
Tycho2
0532-01581-1
last precise pa
272.3
last precise sep
3.161
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21192+0339 J 1721 2003 3 275 3.8 9.60 12.50 211920.57+034056.8
21192+0339 J 1721 2015 4 272 3.2 11.20 12.60 211920.57+034056.8

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