20245+0916 HJ 2959

 
 
20h 24m 30.40s +09 16' 01.0" P.A. 262.00 sep 7.4 mag 10.55,12.40
 
 
Coord 2000
20245+0916
Discov num
HJ 2959
Comp
Coord arcsec 2000
20 24 30.40 +09 16 01.0
Date first
1830
Date last
2015
Obs
14
Pa first
279
Pa last
262
P.A. Now (θ)
262°
Sep first
10.0
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
10.55
Mag sec
12.40
delta mag (ΔM)
1.85
Spectral class
Pri motion ra
-004
Sec motion ra
-027
Pri motion dec
-001
Sec motion dec
-020
Notes
N (See Notes)
Visually invisible, K-band or other infrared star rPM=0.888
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.2
Precise sep
7.372
Constellation
Delphinus
Tycho2
1074-00015-1
Gaia DR2
04174671360
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20245+0916 HJ 2959 2006 7 263 7.3 10.55 12.40 N D 202430.40+091601.0
20245+0916 HJ 2959 2010 9 264 7.0 10.55 12.40 N 202430.40+091601.0
20245+0916 HJ 2959 2015 10 262 7.4 10.55 12.40 N 202430.40+091601.0

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