15570+1726 HJ 2798AB

 
 
15h 57m 02.60s +17 26' 11.4" P.A. 353 sep 52.3 mag 9.79,11.09 Sp F5
 
 
Coord 2000
15570+1726
Discov num
HJ 2798
Comp
AB
Coord arcsec 2000
15 57 02.60 +17 26 11.4
Date first
1873
Date last
2015
Obs
14
Pa first
351
Pa last
353
P.A. Now (θ)
353°
Sep first
58.5
Sep last
52.3
Sep. Now (ρ)
52.3"
Mag pri
9.79
Mag sec
11.09
delta mag (ΔM)
1.3
Spectral class
F5 (yellow-white)
Pri motion ra
-005
Sec motion ra
-007
Pri motion dec
-016
Sec motion dec
+009
Notes
rPM=1.496
This double is not physical.
 
 
15570+1726 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15570+1726 HJ 2798 AB 1873 2015 14 353 52.3 9.79 11.09 1.30 <===
Show 15570+1726 HJ 2798 BC 1831 2015 12 30 7.8 11.09 10.70 0.39
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
352.7
Precise sep
52.29
Constellation
Serpens
SAO
101831
Tycho2
1496-00870-1
Gaia DR2
64693429504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15570+1726 HJ 2798 AB 1975 7 31 8.1 9.79 10.30 F5 155702.60+172611.4
15570+1726 HJ 2798 AB 2001 12 353 51.9 9.79 11.09 F5 D 155702.60+172611.4
15570+1726 HJ 2798 AB 2008 8 30 7.8 9.79 10.30 F5 155702.60+172611.4
15570+1726 HJ 2798 AB 2014 13 352 52.3 9.79 11.09 F5 155702.60+172611.4
15570+1726 HJ 2798 AB 2015 14 353 52.3 9.79 11.09 F5 155702.60+172611.4

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