20129+6023 HJ 2944

 
 
20h 12m 54.26s +60 23' 08.4" P.A. 196 sep 25 mag 8.58,12.20 Sp F0
 
 
Coord 2000
20129+6023
Discov num
HJ 2944
Comp
Coord arcsec 2000
20 12 54.26 +60 23 08.4
Date first
1831
Date last
2015
Obs
14
Pa first
184
Pa last
196
P.A. Now (θ)
196°
Sep first
30.0
Sep last
25.0
Sep. Now (ρ)
25"
Mag pri
8.58
Mag sec
12.20
delta mag (ΔM)
3.62
Spectral class
F0 (yellow-white)
Pri motion ra
+023
Sec motion ra
-004
Pri motion dec
+038
Sec motion dec
+047
Notes
rPM=0.603
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196.4
Precise sep
24.964
Constellation
Cepheus
SAO
18761
Tycho2
4232-01017-1
Gaia DR2
81087283968
HD
192676
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20129+6023 HJ 2944 1999 7 195 25.0 8.58 12.00 F0 D 201254.26+602308.4
20129+6023 HJ 2944 2003 8 195 24.7 8.58 12.00 F0 D 201254.26+602308.4
20129+6023 HJ 2944 2010 9 196 25.0 8.58 12.20 F0 201254.26+602308.4
20129+6023 HJ 2944 2015 10 196 24.9 8.58 12.20 F0 201254.26+602308.4

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