16028-0228 RST4557

 
 
16h 02m 48.25s -02 28' 12.5" P.A. 321.00 sep 2.7 mag 8.00,12.50 Sp K2 dist. 266.67 pc (869.88 l.y.)
 
 
Coord 2000
16028-0228
Discov num
RST4557
Comp
Coord arcsec 2000
16 02 48.25 -02 28 12.5
Date first
1938
Date last
2016
Obs
4
Pa first
319
Pa last
321
P.A. Now (θ)
321°
Sep first
2.8
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
8.00
Mag sec
12.50
delta mag (ΔM)
4.5
Spectral class
K2 (yellow-orange)
Pri motion ra
-019
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
320.9
Precise sep
2.72
Constellation
Serpens
HIP
78593
Tycho2
5036-00654-1
Gaia DR2
4405875794106782592
HD
143839
BD
BD-02 4094
Distance
266.67
Distance ly
869.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16028-0228 RST4557 1943 2 321 2.7 8.00 12.50 K2 160248.25-022812.5
16028-0228 RST4557 2015 3 321 2.7 8.00 12.50 K2 160248.25-022812.5

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