20027-0036 HJ 2921

 
 
20h 02m 44.88s -00 36' 23.7" P.A. 341 sep 21.7 mag 8.52,12.02 Sp K0
 
 
Coord 2000
20027-0036
Discov num
HJ 2921
Comp
Coord arcsec 2000
20 02 44.88 -00 36 23.7
Date first
1830
Date last
2015
Obs
13
Pa first
342
Pa last
341
P.A. Now (θ)
341°
Sep first
15.0
Sep last
21.7
Sep. Now (ρ)
21.7"
Mag pri
8.52
Mag sec
12.02
delta mag (ΔM)
3.5
Spectral class
K0 (yellow-orange)
Pri motion ra
-013
Sec motion ra
-001
Pri motion dec
-014
Sec motion dec
-006
Notes
rPM=0.755
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.3
Precise sep
21.703
Constellation
Aquila
SAO
144019
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20027-0036 HJ 2921 2005 8 341 21.7 8.80 11.00 K0 D 200244.88-003623.7
20027-0036 HJ 2921 2010 10 341 21.5 8.52 12.02 K0 200244.88-003623.7
20027-0036 HJ 2921 2015 11 341 21.7 8.52 12.02 K0 200244.88-003623.7

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