21089+1748 HU  365

 
 
21h 08m 55.52s +17 47' 49.9" P.A. 20 sep 1 mag 9.26,11.69 Sp K5 dist. 526.32 pc (1716.86 l.y.)
 
 
Coord 2000
21089+1748
Discov num
HU  365
Comp
Coord arcsec 2000
21 08 55.52 +17 47 49.9
Date first
1901
Date last
2009
Obs
6
Pa first
17
Pa last
20
P.A. Now (θ)
20°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
9.26
Mag sec
11.69
delta mag (ΔM)
2.43
Spectral class
K5 (yellow-orange)
Pri motion ra
-010
Sec motion ra
-014
Pri motion dec
-010
Sec motion dec
-006
Notes
rPM=0.371
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
19.9
Precise sep
1.03
Constellation
Pegasus
SAO
106876
HIP
104393
Tycho2
1653-01160-1
BD
BD+17 4509
Distance
526.32
Distance ly
1716.86
last precise pa
19.9
last precise sep
1.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21089+1748 HU 365 1991 5 16 1.0 9.26 11.69 K5 210855.52+174749.9
21089+1748 HU 365 2009 6 20 1.0 9.26 11.69 K5 210855.52+174749.9

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