20128-0300 STF2643

 
 
20h 12m 47.31s -02 59' 45.4" P.A. 81 sep 3 mag 7.09,9.40 Sp A0V dist. 133.33 pc (434.92 l.y.)
 
 
Coord 2000
20128-0300
Discov num
STF2643
Comp
Coord arcsec 2000
20 12 47.31 -02 59 45.4
Date first
1830
Date last
2015
Obs
30
Pa first
71
Pa last
81
P.A. Now (θ)
81°
Sep first
3.2
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
7.09
Mag sec
9.40
delta mag (ΔM)
2.31
Spectral class
A0V (white)
Pri motion ra
-025
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
81.3
Precise sep
3.047
Constellation
Aquila
HIP
99604
Tycho2
5165-02202-1
Gaia DR2
09296605696
HD
192007
BD
BD-03 4817
Distance
133.33
Distance ly
434.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20128-0300 STF2643 1998 27 80 3.0 7.09 9.40 A0V 201247.31-025945.4
20128-0300 STF2643 2011 28 82 2.9 7.09 9.40 A0V 201247.31-025945.4
20128-0300 STF2643 2015 30 81 3.0 7.09 9.40 A0V 201247.31-025945.4

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