20099+2100 S   737

 
 
20h 09m 55.48s +21 00' 07.3" P.A. 128 sep 101 mag 7.93,9.26 Sp K0
 
 
Coord 2000
20099+2100
Discov num
S   737
Comp
Coord arcsec 2000
20 09 55.48 +21 00 07.3
Date first
1824
Date last
2015
Obs
23
Pa first
129
Pa last
128
P.A. Now (θ)
128°
Sep first
100.8
Sep last
101.0
Sep. Now (ρ)
101"
Mag pri
7.93
Mag sec
9.26
delta mag (ΔM)
1.33
Spectral class
K0 (yellow-orange)
Pri motion ra
-017
Sec motion ra
-008
Pri motion dec
-020
Sec motion dec
-014
Notes
rPM=0.412
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128
Precise sep
100.991
Constellation
Sagitta
SAO
88274
Tycho2
1630-00322-1
Gaia DR2
95218662656
HD
345909
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20099+2100 S 737 2004 13 130 100.7 7.93 9.26 K0 D 200955.48+210007.3
20099+2100 S 737 2009 14 128 100.3 7.93 9.26 K0 D 200955.48+210007.3
20099+2100 S 737 2013 16 129 100.0 7.93 9.26 K0 200955.48+210007.3
20099+2100 S 737 2015 19 128 101.0 7.93 9.26 K0 200955.48+210007.3

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