20054+1530 BU   57 (V1472 Aql)

 
 
20h 05m 26.53s +15 30' 01.3" P.A. 120.00 sep 2.6 mag 6.60,11.00 Sp M2.5III dist. 126.26 pc (411.86 l.y.)
 
 
Coord 2000
20054+1530
Discov num
BU   57
Comp
Coord arcsec 2000
20 05 26.53 +15 30 01.3
Date first
1872
Date last
2008
Obs
25
Pa first
140
Pa last
120
P.A. Now (θ)
120°
Sep first
2.0
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
6.60
Mag sec
11.00
delta mag (ΔM)
4.4
Spectral class
M2.5III (red)
Pri motion ra
+038
Sec motion ra
Pri motion dec
+021
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
119.6
Precise sep
2.63
Var name
V1472 Aql
Constellation
Aquila
SAO
105663
HIP
98954
Tycho2
1617-02050-1
Gaia DR2
78714273152
HD
190658
HR
7680
BD
BD+15 4040
Distance
126.26
Distance ly
411.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20054+1530 BU 57 1971 23 120 2.7 6.60 11.00 M2.5III N 200526.53+153001.3
20054+1530 BU 57 2008 25 120 2.6 6.60 11.00 M2.5III N 200526.53+153001.3

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