20294+0330 HJ 2970

 
 
20h 29m 23.10s +03 30' 04.5" P.A. 180.00 sep 12.0 mag 10.38,10.98
 
 
Coord 2000
20294+0330
Discov num
HJ 2970
Comp
Coord arcsec 2000
20 29 23.10 +03 30 04.5
Date first
1830
Date last
2015
Obs
17
Pa first
184
Pa last
180
P.A. Now (θ)
180°
Sep first
8.0
Sep last
12.0
Sep. Now (ρ)
12"
Mag pri
10.38
Mag sec
10.98
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+008
Sec motion ra
+010
Pri motion dec
-010
Sec motion dec
-011
Notes
N U (See Notes, Proper motion indicates non-physical)
Visually invisible, K-band or other infrared star rPM=0.15 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.1
Precise sep
12
Constellation
Delphinus
Tycho2
0501-02201-1
Gaia DR2
42549203584
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20294+0330 HJ 2970 2000 9 180 12.0 10.38 10.98 N D 202923.10+033004.5
20294+0330 HJ 2970 2011 10 180 12.0 10.38 10.98 N D 202923.10+033004.5
20294+0330 HJ 2970 2015 13 180 12.0 10.38 10.98 N 202923.10+033004.5

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